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Distribution, Size and Ownership of Forests in the Southern Cape
Item type: Journal Article • Journal: South African Forestry Journal • Authors: C.J. Geldenhuys --- Saasveld Forestry Research Centre,Indigenous forest of the southern Cape as delimited on 1:50 000 maps was analysed for distribution, size and ownership in six landscape zones: mountains, foothill, coastal platform, river valley, coastal scarp and dunes. I tested the hypothesis that forest distribution... -
Indigenous High Forests in the Transvaal with Special Reference to Inventory and Monitoring Systems
Item type: Journal Article • Journal: South African Forestry Journal • Authors: G.R. von dem Bussche --- Conservation Forestry Department of Water Affairs and Forestry, South AfricaThe indigenous forests in the Transvaal comprise a total area of 35 385 ha, of which 18 088 ha or 51% are situated on State forest land. The forests are found mainly along the Drakensberg escarpment and, to a lesser... -
Impact of Site Preparation on Wind Resistance of Young Pinus radiata
Item type: Journal Article • Journal: South African Forestry Journal • Authors: J.B. Zwolinski --- , D. G.M. Donald --- Forestry Faculty, W.H. Groenewald --- Division of Forest Science and Technology,Young trees were damaged by winds blowing at 39 m/s speed in the southern Cape Province. The frequency and the extent of wind damage was investigated in an establishment experiment comprising four methods of soil cultivation, two levels of weed... -
Seasonal Fluctuations and Diversity of Bark and Wood-boring Beetles in Lowland Forest: Implications for management Practices
Item type: Journal Article • Journal: South African Forestry Journal • Authors: S.S. Madoffe --- Department of Forest Biology, A. Bakke --- , Ås; NorwayThe phenology and diversity of wood-living beetles attacking Cedrela mexicana, Khaya nyasica and Milicia excelsa were observed for one year with weekly window-flight-trap collections. A total of 150 species (10 known to be common pests of timber) were collected, most... -
Conservation Developments in South African Forestry
Item type: Journal Article • Journal: South African Forestry Journal • Authors: R. McC. Pott --- ,The historical development of environmental conservational activities within the South African Forestry Industry is followed, and the changing emphasis from the conservation of the remaining indigenous forests (pre-1900) to water conservation, to natural assets and unplanted areas is highlighted. The... -
The contribution of pastures and veld to the feeding of dairy and beef herds in the natal midlands
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: C.A.H. Heard --- , N.M. Tainton --- Department of Grassland Science, P.J. Edwards --- Late of the Department of Agriculture (Natal Region),Established pastures in the Natal Midlands provide a very substantial proportion of the roughage requirements of dairy enterprises both in summer and winter. There is some evidence that good pastures, producing high quality roughage, can maintain high herd average yields,... -
The performance of tropical pastures in the drier phase of the Highland sourveld of Natal
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: G.M. Brockett --- Department of Agriculture (Natal Region), N.N. Gray --- Department of Agriculture (Natal Region),Several tropical grasses (Acroceras macrum, Cenchrus ciliaris, Cyndon sp., Digitaria sp. and Pennisetum clandestinum) and legumes (Desmodium uncinatum and Lotononis bainesii) were evaluated at the Kokstad Research Station (Bioclimatic sub‐region 4f of Natal) over a period of seven years. The... -
The effect of stocking rate and lick supplementation on the performance of lactating beef cows and its impact on Highland Sourveld
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: A. Van Niekerk --- Department of Agriculture (Natal Region), M.B. Hardy --- Department of Agriculture (Natal Region), B.D. Mappledoram --- Department of Agriculture (Natal Region), S.F. Lesch --- Department of Agriculture (Natal Region),The Highland Sourveld of Natal is an important beef producing area. Although it covers only 13% of the total area of the province, it supports 18% of the beef cattle population. -
Growth patterns of Italian ryegrass cultivars established in different seasons
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: D.C.W. Goodenough --- Department of Agriculture (Natal Region), C.I. Macdonald --- Department of Agriculture (Natal Region), A.R.J. Morrison --- Department of Agriculture (Natal Region),A comparison is made between various Italian ryegrass cultivars established under irrigation on a well‐drained upland site during the traditional autumn months, with plantings of the same cultivars at other times of the year. -
Effects of eight grazing systems on carcass mass gains of steers grazing irrigated Cynodon aethiopicus pastures
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: M.G.W. Rodel --- , Zimbabwe D.D. Parkin --- , Zimbabwe J.N. Clatworthy --- , Zimbabwe B.C.R. Price --- , ZimbabweEight grazing systems were compared on irrigated Cynodon aethiopicus pastures which received 650 kg N, 36 kg P and 200 kg dolomitic limestone/ha, annually. There were either one, two, three, six or 18 paddocks in the systems, the single paddock... -
A national range inventory for the Kingdom of Lesotho ‘n nasionale opname van die weivelde van die koningkryk van Lesotho
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: N.L. Martin --- Land Conservation and Range Development Project,With the need for an understanding of the nation's rangelands, the Division of Range Management of the Kingdom of Lesotho has undertaken a national range inventory. This resource study has utilized as aids in this task, the up‐to‐date techniques of... -
Production and quality norms of certain grass species for fodder flow planning: Pretoria area
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.O. Grunow --- Department of Plant Production, J.W. Rabie --- Department of Plant Production,Four subtropical (Cenchrus. Digitaria, Anthephora and Sorghum) and two temperate grass species (Festuca. Agrotricum) were grown in a replicated field experiment at three levels of N application, with adequate P and K. Species were mown at 4‐, 6‐ and 8‐weekly... -
The ecological potential of the kudu for commercial production in savanna regions
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: N. Owen‐Smith --- Centre for Resource Ecology,This paper considers the choice of a browsing ungulate to supplement cattle in savanna regions susceptible to problems of bush encroachment, and evaluates the kudu in particular. Relevant aspects of its ecology considered include (i) the vegetation components utilized at... -
Conserving rangeland resources die bewaring van veldhulpbronne
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: M.T. Mentis --- Department of Botany,The aims of the paper are to (1) identify the properties of conservation, (2) explain its poor implementation, and (3) propose remedies. -
Toepassíng van ‘n gronderosievergelyking op natuurlike veld van die sentrale oranje‐vrystaat
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: H A Snyman --- , W L J Van Rensburg --- , D P J Opperman --- ,‘n Oorhoofse roterende rcënvalnabootscr is gebruik orn numericse waardes vir sekere faktore van die universele gronderosi‐evcrgelyking vas te stel. Alhocwei dit tydens hierdie Studie nodig was om sekere belangrike aannames te maak, het die afgeleide data betekenisvol ooreengestem met die... -
The characterization of irrigated Midmar Italian ryegrass in the South Eastern Transvaal Highveld using slaughter lambs
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: H R H Smith --- Department of Agriculture, D I Bransby --- Department of Grassland Science, N M Tainton --- Department of Grassland Science,Four levels of available dry matter (DM) were maintained on a continuously grazed irrigated Midmar Italian ryegrass (Lolium multiflorum Lam.) pasture by means of a “put‐and‐take” grazing procedure. The pasture was stocked with three successive sets of weaned lambs in... -
Response of lambs to continuous and rotational grazing at four grazing intensities on Midmar Italian ryegrass
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: H R H Smith --- Department of Agriculture (Transvaal Region), D I Bransby --- Department of Grassland Science, N M Tainton --- Department of Grassland Science,Irrigated Midmar Italian ryegrass (Lolium multiflorum Lam.) was grazed either continuously or rotationally at four grazing intensities by three successive sets of weaned lambs for the winter, spring and summer periods, respectively. The “put‐and‐take” system was applied. In the case... -
The influence of stocking rate and grazing system on the crude protein content and digestibility of Tarchonanthus veld in the northern cape1
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J H Fourie --- Department of Agriculture (Free State Region), E A N Engels --- Department of Agriculture (Free State Region), HeilaL H C DeBruyn --- Department of Agriculture (Free State Region),Four stocking rates (10, 7, 6 and 4 ha/large stock unit), in both rotational and continuous grazing, have been applied with cattle on Tarchonanthus veld. The crude protein content and digestibility of organic matter of handcut samples and herbage samples... -
Die uitwerking van ‘n hoë veedigtheid op die benutting van etlike spesies in die sentrale hoër Karoo
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J G V Joubert --- Departement van Akkerbou en Weiding,‘n Proef is uitgevoer om die uitwerking van ‘n hoë veedigtheid vir ‘n kort periode op die benutting van 11 spesies in die Sentrale Hoër Karoo te bepaal. Benutting is bepaal deur die droë massa van 50 plante per spesie... -
Herbage intake by cattle on tarchonanthus veld in the Northern Cape as affected by stocking rate and grazing system1
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J H Fourie --- Department of Agriculture (Free State Region), E A N Engels --- Department of Agriculture (Free State Region), B R Roberts --- Department of Pasture Science,In a trial with young Bonsmara cattle, four different stocking rates (10, 7, 6 and 4 ha/large stock unit) were applied in both a rotational and continuous grazing system. Feed intake was estimated during spring, summer, autumn and winter for... -
The use of the cellulase digestion procedure for indexing the dry matter digestibility of forages
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: P J K Zacharias --- Department of Grassland Science,The in vitro cellulase technique was compared with the rumen liquor technique and found to be more efficient for the indexing of the dry matter disappearance (DMD) of forages. A cellulase enzyme concentration of 80 IU/gDM gave a satisfactory linear... -
‘N vergelyking tussen digitaria eriantha steud. subsp. eriantha (smutsvingergras) en eragrostis curvula (schrad.) nees (oulandsgras) as hooigewasse vir skape1
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: C S Dannhauser --- , W L J Van Rensburg --- , D P J Opperman --- ,Smutsvingergras‐ en oulandsgrashooi is by drie bemestingspeile, naamlik 30 kg N + 2,8 kg P ha‐1; 90 kg N + 8,3 kg P ha‐1 en 150 kg N + 13,8 kg P ha‐1 geproduseer. Die hooi is in alle voorgenoemde... -
Effects of soil compaction on pasture growth during rehabilitation of strip‐mined land
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: P D Tanner --- , C B Roper --- , J M De Villiers --- Department of Soil Science,Compaction of soils by heavy earthmoving equipment is an endemic problem in the rehabilitation of land after strip‐mining. Accordingly, special tillage operations and other precautions to reduce the severity of compaction are practised on strip coal mines of the Anglo... -
Estimating grass fuel loads with a disc pasture meter in the Kruger National Park
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: W S W Trollope --- Sub‐Department of Pasture Science, Faculty of Agriculture, Ciskei A L F Potgieter --- Division of Nature Conservation,The major portion of the fuel load in the savanna areas comprises surface fuels in the form of the standing grass sward. The disc pasture meter was successfully calibrated for estimating grass fuel loads in the main landscapes of the... -
Potential of medic and lucerne pastures in the rûens area of the Southern Cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.M. van Heerden --- Department of Agriculture and Water Supply (Winter Rainfall Region), N.M. Tainton --- Department of Grassland Science,The potential of dryland lucerne and medic pastures was compared over a range of stocking rates, i.e. three, four, five, six, seven and eight merino ewes per hectare, in the Rûens area of the Southern Cape. It was found that... -
Composition, pattern and diversity of some Transkeian grasslands
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: B. McKenzie --- Department of Botany,Species composition, pattern and diversity of selected grassland communities were determined by using point samples, transects and quadrats. The continuously grazed grasslands of Dohne Sourveld generally had the richer species composition, the highest diversity and the most variable intra‐community pattern... -
Production of plantlets from tissue cultures of Lotononis, a southern African veld legume1
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: A.M. Thro --- Agronomy Department, Louisiana Agricultural Experimental Station, USA A.T. Wier --- Agronomy Department, Louisiana Agricultural Experimental Station, USA K.C. Torres --- , USA H.E. Flores --- Plant Pathology and Crop Physiology Department, College of Agriculture, USA M. Pillay --- Biology Department, USAA simple procedure is described for the production of large numbers of rooted plantlets from callus cultures of Lotononis bainesii Baker. Highest frequency of shoots was obtained from somatic embryos formed in initiation cultures on Murashige & Skoog medium plus... -
The effect of continuous and rotational grazing of sourveld on the selection of plant fractions by simmentaler heifers
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: U.P. Kreuter --- Department of Grassland Science, N.M. Tainton --- Department of Grassland Science,In a grazing trial conducted at the Kokstad Agricultural Research Station, the selection of six plant fractions by cattle grazing sourveld was investigated. Relations between the selectivity of the cattle and the dry matter digestibility (DMD) and crude protein (CP)... -
Influence of grazing management on the production of an irrigated grass/legume pasture in the Rûens area of the Southern cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.M. vanHeerden --- Department of Agriculture and Water Supply (Winter Rainfall Region), N.M. Tainton --- Department of Grassland Science,The production of an irrigated grass/legume pasture was determined using Merino ewes on rotational and continuous grazing systems. The clover content of the pasture declined, while the grass content increased under both systems. The lucerne content of the rotationally‐grazed pastures... -
Desmodium: A low‐cost pasture for the eastern cape coastal region
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: G.R. Barnes --- Department of Agriculture (East Cape Region),Desmodium intortum is well suited to the East London Coastal area for beef production under dryland conditions. Although slow to establish, satisfactory livestock production is maintained under a low fertilizer regime. Experimental results indicate stocking rates for maximum production per... -
Some factors effecting the dry matter production of lucerne cultivars
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: A. Smith --- Department of Agriculture and Water Supply, MarieF. Smith --- ,Dry matter yields of lucerne cultivars were affected by different factors. A simple equation is given for predicting total dry matter yield of irrigated lucerne based on mean maximum temperatures in January. -
The effect of frequency of defoliation on themeda triandra in the false Thornveld of the Eastern Cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.E. Danckwerts --- Department of Agriculture and Water Supply (Eastern Cape Region), L.O. Nel --- Department of Agriculture and Water Supply (Eastern Cape Region),Tufts of Themeda triandra were subjected to different frequencies of defoliation during a single season under irrigated and non‐irrigated conditions. Frequent defoliation (> 5 times per year) severely reduced clipped yield on both moisture treatments. On irrigated treatments, root mass... -
Effect of wilting on biochemical and microbiological changes in Kikuyu (Pennisetum clandestinum Hochst) silage
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: Maria deFigueiredo --- Department of Agriculture and Water Supply (Natal Region), Republic of South Africa J.P. Marais --- Department of Agriculture and Water Supply (Natal Region), Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaSmall‐scale laboratory silos were used to study the fermentation process of Kikuyu (Pennisetum clandestinum Hochst) silage prepared from grass containing 25% and 40% dry matter. Silage made from grass containing 40% dry matter was found to be better preserved and... -
Voluntary intake of several planted pastures by sheep and an assessment of NDF and IVDOM as possible predictors of intake
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: H.H. Meissner --- Department of Livestock Science, Republic of South Africa W.A. van Niekerk --- Department of Livestock Science, Republic of South Africa E.B. Spreeth --- Department of Livestock Science, Republic of South Africa H.H. Köster --- Department of Livestock Science, Republic of South AfricaThe aim was to study the quality and quantity of pasture selected by sheep on various planted pastures. A further aim was to assess NDF and IVDOM as easy measurable parameters for use in equations to predict intake. Pasture samples... -
Individual animal performance in relation to herbage mass and stocking rate in the Natal Sour Sandveld
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.R. Turner --- Department of Grassland Science, Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaGrazing trials were established at two sites in the Natal Sour Sandveld. The objective of this article was to present the patterns in individual animal performance in relation to herbage mass and stocking rate for the period November 1986 to... -
A comparison of grass and grass/legume pastures under irrigation in the Outeniqua area of the southern Cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.M. van Heerden --- Department of Agriculture & Water Supply (Winter Rainfall Region), Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South Africa P.R. Botha --- Department of Agriculture & Water Supply (Winter Rainfall Region), Republic of South AfricaTwo grass and five grass/legume pastures were evaluated over a period of two seasons at two seasonally set grazing pressures and under two grazing management systems, involving five and seven paddocks per flock and a seven‐day period of stay. Grazing... -
The effects of continuous and rotational grazing of sourveld on the quality of herbage selected by Simmentaler heifers
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: U.P. Kreuter --- Department of Grassland Science, Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaA grazing trial was conducted at the Kokstad Agricultural Station to compare the dry matter digestibility (DMD) and crude protein content (CP) of diets selected by four fistulated cattle which were continuously and rotationally grazing sourveld. Two stocking rates of... -
Habitat use by indigenous grazing ungulates in relation to sward structure and veld condition
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: P. Novellie --- , Republic of South AfricaThe objective of the study was to examine the relationships between the habitat requirements of different wild ungulate species, sward structure and veld condition. Veld condition score was correlated with sward height: habitats with high condition scores were dominated by... -
The effect of nitrogen fertilization on the quality of Kikuyu silage
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: Maria de Figueiredo --- Department of Agriculture and Water Supply (Natal Region), Republic of South Africa J.P. Marais --- Department of Agriculture and Water Supply (Natal Region), Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaSmall‐scale laboratory silos were used to study the fermentation process of Kikuyu (Pennisetum clandestinum Hochst) silage prepared from grass grown at three nitrogen fertilizer levels (300, 400 and 500 kg N/ha/year). Kikuyu grass was cut at three and six‐week growth... -
Floristiese verskille tussen ekotope in die Potchefstroom distrik1
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: AnnelieS. de Beer --- Departement Landbou en Watervoorsiening, Republiek van Suid‐Afrika G.K. Theron --- Departement Plantkunde, Republiek van Suid‐Afrika G.J. Bredenkamp --- Departement Plantkunde, Republiek van Suid‐AfrikaFloristic differences between eeotopes in the Potchefstroom area. Eeotopes are generally used, in the Highveld Region, as a basis for the division of camps when planning a farm. The possible floristic differences which support this ecological approach, as well as... -
A conceptual stocking rate model for the moderately dry mixed and sourveld
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.R. Turner --- Department of Grassland Science, Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaResults for the 1986/87 season from 15 grazing trials situated at five sites were used to develop a qualitative model describing the relationships between stocking rate and herbage mass and between stocking rate and individual animal performance. Although it cannot... -
Nitrogen fertilization, stocking rate and rotational grazing effects on steers grazing Pennisetum clandestinum
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: D.I. Bransby --- Department of Agronomy and Soils, U.S.A.Kikuyu pastures at the Ukulinga research farm near Pietermaritzburg were fertilized with 150 and 300 kg nitrogen (N) ha−1 in the summer periods of 1985–86 and 1986–87, and were continuously grazed with steers at stocking rates of 5.4, 8.0 and... -
Evaluation of three techniques for measuring grass leaf area1
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: C.W. Daphne --- Department of Grassland Science, Republic of South Africa P.J.K. Zacharias --- Department of Grassland Science, Republic of South Africa A.C. Hansen --- Department of Agricultural Engineering, Republic of South AfricaThree leaf area measuring techniques were compared. Although statistical considerations received priority, practical issues such as economy of time, labour and finance, were also evaluated. The electronic light interception planimeter and the squared grid method (SGM) are already in common... -
Productivity of one‐ and two‐year‐old steers grazing Coastcross II (Cynodon hybrid) at four stocking rates
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: D.I. Bransby --- Department of Agronomy and Soils, United States of AmericaCoastcross II pastures were continuously grazed with 1‐ or 2‐year‐old steers at stocking rates between 5.4 and 13.4 animals ha−1 in 1985–86 and 1986–87 at the Ukulinga research farm near Pietermaritzburg. In the first season there was no difference between... -
Leucaena leucocephala as a quality supplement to Pennisetum clandestinum foggage: A preliminary study
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: P.J.K. Zacharias --- Department of Grassland Science, Republic of South Africa J. Clayton --- Department of Grassland Science, Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaThe performance of growing beef steers grazing foggaged dryland Pennisetum clandestinum (kikuyu) pastures and given limited access (3 h d−1) to Leucaena leucocephala cv. Cunningham (leucaena) was compared to that of steers grazing only kikuyu foggage during autumn and early... -
Responses of Italian ryegrass to phosphorus on highly‐weathered soils
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: N. Miles --- Department of Agricultural Development, Republic of South Africa R.J. Eckard --- Department of Agricultural Development, Republic of South Africa J.M. deVilliers --- Department of Agronomy, Republic of South AfricaItalian ryegrass (Loliwn multiflorum cv. Midmar) responses to fertilizer P were studied in field experiments under irrigation on highly‐weathered ferrallitic soils at two localities in Natal. Each experiment was conducted over two seasons (1985 and 1986), the pasture being re‐established... -
The Potch System: An approach to the management of semi‐arid grasslands in southern Africa
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: R.H. Drewes --- Department of Agricultural Development, Republic of South AfricaA host of grassland management systems have been published and recommended. Whereas earlier approaches to grassland management emphasized the systematic resting aspect, the systems published since 1966 have tended to stress the degree of utilization of the grassland sward. In... -
Utilization of Lolium multiflorum by sheep 1. Influence of dry matter content and correlated factors on voluntary intake
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: H.H. Meissner --- Department of Livestock Science, Republic of South Africa MarianaM. du Preez --- Department of Livestock Science, Republic of South Africa A.D. Enslin --- Department of Livestock Science, Republic of South Africa E.B. Spreeth --- Department of Livestock Science, Republic of South AfricaThe intake by young sheep of Lolium multiflorum cv. Midmar (ryegrass) with dry matter (DM) contents of between 10.2% and 20.5% was studied. Intake was measured on pasture, while at the same time herbage was cut and fed either fresh... -
The incompatibility of controlled selective grazing systems with farmers’ needs
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: G.H. Düvel --- S.A. Institute for Agricultural Extension, Republic of South Africa H.P.J. Scholtz --- Department of Agricultural Development, Republic of South AfricaSince extension inputs, subsidy schemes and even legislation over several decades were unable to stem the veld deterioration in southern Africa, a renewed attempt was made to identify the causes of the non‐adoption of recommended veld management practices. The hypothesis... -
Evaluation of shrub species for sheep grazing in the Strandveld of the Cape West Coast of South Africa
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: S.A. Barnard --- Department of Agricultural Development, Republic of South Africa J.M. van Heerden --- Department of Agricultural Development, Republic of South Africa H.S. Gerber --- Department of Agricultural Development, Republic of South AfricaThe production of three exotic shrub species, Atriplex nummularia (old man saltbush), A. canescens (four‐winged salt‐bush) and Medicago arborea (tree lucerne) and one indigenous evergreen shrub, Chrysanthemoides monilifera subsp. pisifera (west coast bitou), was evaluated in the Strandveld of the... -
Nitrogen fertilization of cabbages in Natal
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T. Richards --- Department of Horticultural Science, I.E. Smith --- Department of Horticultural Science, R. Bennett --- Department of Horticultural Science,Cabbage (Brassica oleracea var. capitata f. alba cv. Gloria Osena) yields were measured in two experiments on a Westleigh soil near Pietermaritzburg in response to different methods, rates and times of application of nitrogen fertilizer. -
Die rol van sekere omgewingsfaktore by alachloraktiwiteit
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C.F. Reinhardt --- Departement Plantproduksie, P.C. Nel --- Departement Plantproduksie,Biotoetse met graansorghum (Sorghum bicolor L.) is in potte in glashuise en groeikabinette uitgevoer. Geselekteerde grond- eienskappe is gekorreleer met alachloraktiwiteit. Organiese materiaalinhoud (% C) was die beste gekorreleerd met die aktiwiteit van alachlor en pH die swakste. Die r-waardes... -
Land application of sewage sludge: Phosphorus considerations
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.J. McLaughlin --- ,Phosphorus considerations are gaining increasing attention where sewage sludges are applied to land because of the continuing trend of rising P levels in sludges and the growing concern for environmental pollution and nutrient recycling issues. P in sludges has reached... -
Soil-water conservation as affected by primary tillage practices
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W. A.J. Berry --- Summer Grain Sub-Centre, J.B. Mallett --- Summer Grain Sub-Centre, M.A. Johnston --- ,An investigation of water conservation as affected by different primary tillage methods was conducted on a soil of the Doveton series (fine-loamy, mixed, thermic family of Rhodic Paleudults), where a direct sampling technique was used to monitor the soil-water profiles... -
Soil-water conservation as affected by primary tillage practices
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W. A.J. Berry --- Summer Grain Sub-Centre, J.B. Mallett --- Summer Grain Sub-Centre, M.A. Johnston --- ,An investigation of water conservation as affected by different primary tillage methods was conducted on a soil of the Doveton series (fine-loamy, mixed, thermic family of Rhodic Paleudults), where a direct sampling technique was used to monitor the soil-water profiles... -
Physical and clay mineralogical properties of some Natal and eastern Transvaal soils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. Cass --- , Australia M.A. Johnston --- Department of Agriculture and Water Supply,Soils, collected from the south-eastern Transvaal, Natal north coast and the more arid areas of the Natal interior, were examined using physical, chemical and mineralogical methods. Most of the soils were associated with particular management problems such as poor internal... -
Use of the microwave oven for drying herbage samples in the field
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T. Daines --- Department of Agriculture, Republic of South Africa R.A. Ingpen --- , Republic of South AfricaDrying of herbage samples in the field using a microwave oven powered by a portable generator has saved time and eliminated the transporting of samples to other stations for handling. Microwave drying is compared to drying in conventional forced-air ovens... -
Effects of level and timing of irrigation on growth and water use of lucerne
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.J. Beukes --- Department of Agriculture and Water Supply, S.A. Barnard --- Department of Agriculture and Water Supply,A six-year flood irrigation trial with lucerne (Medicago sativa cv. Karoo) was conducted on a sandy loam soil in the south-western part of the Cape Province at Oudtshoorn. Two cropping practices, whereby one or two forage cuttings are followed by... -
Evaluation of the effects of scorching caused by the directed application of a paraquat-containing herbicide mixture to the base of maize plants at various ages
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P. E.L. Thomas --- ,The effect of herbicides which scorched the lower leaves of maize was compared in three seasons. The first season was relatively dry whilst the other two were wetter seasons. A mixture of cyanazine + atrazine + paraquat + a wetting... -
'n Vergelyking tussen berekende en in situ onversadigde geleivermoë van 'n sand en 'n sandkleileem
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.J. Beukes --- Hoëveldstreek, Departement van Landbou en Watervoorsiening, Republiek van Suid-AfrikaOnversadigde geleivermoë, K(θ), is bereken vanaf verskeie vergelykings gebaseer op poriegrootteverspreiding en die grondwaterretensiekromme. Versadigde geleivermoë (Ks ) is as passingsfaktor gebruik en is verkry vanaf laboratorium-en veldbepalings. Berekende K(θ) is by verskillende porieklasse vergelyk met waardes vanaf in situ-... -
Die invloed van nat grondtoestande op die vrugkwaliteit van appels
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.F. Lourens --- ,Vrugontledings op appels van bome op gedeeltelik versuipte gronde gedurende die vruggroei-periode het hoër Na- en B- en laer N- en Mg-peile getoon as appels van bome op droër gronde. Die vrugte van nat persele was fermer en het hoër... -
The effect of tillage system on lodging in maize resulting from a severe rainstorm
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.M. Lang --- Summer Grain Sub-Centre, J.B. Mallet --- Summer Grain Sub-Centre, W. A.J. Berry --- Summer Grain Sub-Centre,Severe lodging in maize lands on Cedara on the 24 February 1985 was caused by a rainstorm registering Force 10 on the Beaufort scale. Large differences in lodging existed between plots in three tillage trials. In two identical primary tillage... -
Allelopathic influence of Tagetes and Bidens-infested soils on seedling growth of certain crop species
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Ruth Meissner --- Department of Plant Production, P.C. Nel --- Department of Plant Production, E.A. Beyers --- Department of Plant Production,Two naturally-occurring polyacetylene derivatives are found in Tagetes minuta L. and Bidens bipinnata L. which, when released into the soil, may affect crop growth. They are alpha- terthienyl in roots of T. minuta and phenylheptatriyne in leaves of B. bipinnata... -
Evaluering van braakstelsels vir droëlandkoringverbouing in die Oranje-Vrystaat
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C. Engelbrecht --- , Republiek van Suid-Afrika A.J. der Westhuizen --- , Republiek van Suid-Afrika G.D. Joubert --- , Republiek van Suid-AfrikaDrie produksiestelsels vir droëlandkoring is te Glen en Bethlehem geëvalueer. Die kortbraak was vyf tot ses maande, intermediêre-braak was 12 tot 13 maande en langbraak was 17 maande. Glen verteenwoordig 'n semi-ariede somerreëngebied waar die proefgrond 'n plantbeskikbare-waterstoorkapasiteit van 148... -
Water storage, soil temperatures and maize (Zea mays L.) growth for various tillage practices
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W. A.J. Berry --- Summer Grain Sub-Centre, Republic of South Africa J.B. Mallett --- Summer Grain Sub-Centre, Republic of South Africa P.L. Greenfield --- Department of Crop Science, Republic of South AfricaFour tillage treatments ranging from conventional mouldboard ploughing through to direct-drilling were repeated during the second season of an ongoing experiment. At commencement of the new season, differences in plant- available water (PAW) in the top 600 mm of the... -
The effect of tillage system and rate and time of nitrogen application on maize performance on a sandy Avalon soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.M. Lang --- , Republic of South Africa J.B. Mallett --- , Republic of South AfricaFour nitrogen fertilizer regimes were superimposed on a tillage trial on a sandy Avalon soil at Dundee in 1985 in order to investigate whether the rate and time of N fertilizer application influenced the poor early-season growth and reduced yields... -
The effect of reduced tillage on soil organic carbon
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H. v. H. van der Watt --- Department of Soil Science, Republic of South AfricaThe organic carbon contents of the 0–15-cm and 15–30-cm layers of conventionally tilled, stubble-mulched and no-tilled soils were compared. Samples from four localities in the Transvaal and Orange Free State were analyzed for organic C by means of two methods... -
'n Vergelyking tussen hidrouliese geleivermoë en vernante eienskappe van 'n fynsand en 'n fynsandkleileem tydens in sity-dreinering
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.J. Beukes --- Hoëveldstreek, Departement van Landbou en Watervoorsiening, Republiek van Suid-AfrikaIn situ-dreineringstudies is in triplikaat op elk van 'n fynsand (Shashaserie) en 'n fynsandkleileem (Msingaserie) uitgevoer. Die ondersoek het 340 uur geduur waartydens op vyf dieptes metings van volumetriese waterinhoud (θ) en matrikspotensiaal (ψm) gedoen is. Unieke verwantskappe tussen θ,... -
Factors affecting fruit quality and shelf life of Bon Chretien pears
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H.J. van Zyl --- , Republic of South Africa J.M. Olivier --- Deciduous Fruit Board, Republic of South AfricaBon Chretien pears for canning and the fresh market are grown under various climatic conditions in South Africa. The major orchard factor affecting the shelf life of the fruit after storage seems to be the number of days between full-... -
Die invloed van verskillende tipes en hoeveelhede plantresmateriaal op onkruiddodereffektiwiteit
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T.C. van Eeden --- , Republiek van Suid-Afrika D. du Toit --- Departement Agronomie en Hortologie, Republiek van Suid-AfrikaDie invloed van agt verskillende plantreshoeveelhede (0–3 500 kg ha−1), sowel as verskiHende tipes plantreste (graansorghum- en mieliereste) op onkruiddodereffektiwiteit is ondersoek in 'n glashuisproef. Onkruiddodereffektiwiteit is bepaal deur middel van 'n indikatorplant, Avena sativa. Droëmassaopbrengs en planttellings van die... -
Changes in percentage moisture loss of excised leaves of seven field-grown grain sorghum genotypes
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W.G. Wenzel --- , Republic of South Africa W.J. van den Berg --- , Republic of South AfricaThe objectives of these experiments were to study the seasonal and diurnal changes in percentage moisture loss (PML) and correlated characteristics of excised leaves. Seven grain sorghum genotypes were planted in a randomized block design and their PML and the... -
The effect of tillage: maize residue interactions upon soil water storage
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W. A.J. Berry --- , Republic of South Africa J.B. Mallett --- , Republic of South AfricaFour months before planting a crop of maize, a study was commenced on a well-drained clay loam soil to test the effect of tillage and surface maize residue on soil water storage. Tillage main plots were split into bare (residue... -
A comparison beween short-term chemical and biological methods to measure phosphorus availability in sludge-amended sesquioxic soils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.J. McLaughlin --- , Republic of South AfricaDue to the transformations which sludge undergoes after addition to soil, single measurements of P availability are of little value in soils which have recently received additions of sewage sludge. This study assessed six procedures on two soils—a clay of... -
Die invloed van grondbewerking op enkele grondeienskappe en die gevolglike ontwikkeling en opbrengs van koring in Suid-Kaapland
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.A. Agenbag --- Winterreënstreek, Departement van Landbou en Watervoorsiening, Republiek van Suid-Afrika J.J. Stander --- Winterreënstreek, Departement van Landbou en Watervoorsiening, Republiek van Suid-AfrikaVier verskillende bewerkingsbehandelings, wat Wissel in bewerkingsintensiteit van die intensiewe, konvensionele. skaar- en skottelbewerkingstelsel tot geen-bewerking, is oor 'n periode van 6 jaar vergelyk ten opsigte van die uitwerking op grondfaktore en die groei en opbrengs van koring. In hierdie... -
Plant population and cultivar effects on yield losses caused by the maize stalk borer, Busseola fusca (Lepidoptera: Noctuidae)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. B.J van Rensburg --- Summer Grain Centre, Republic of South Africa M.C. Walters --- , Republic of South Africa J.H. Giliomee --- Department of Entomology, Republic of South AfricaMaize plants were subjected to controlled infestations of Busseola fusca (Fuller). Variations in inter- and intra- row spacing had a pronounced influence on the damage caused by the pest. Both the rates of dispersal and the survival of the larvae... -
Spatial pattern and variability of soils in a granite landscape, north-east of Nelspruit
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E. Verster --- Department of Geography, Republic of South AfricaMorphological and selected chemical and granulometric properties of eleven soil profiles occurring on five hillslope sites (midslope, upper footslope, mid-footslope, lower footslope and valley bottom) were determined in order to evaluate the spatial pattern and variability of soils in a... -
Abnormalities of the growth point and ear of barley caused by 2,4-dichlorophenoxy acetic acid
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.W. Loubser --- Department of Agriculture and Water Supply, Republic of South Africa A. L.P. Cairns --- , Republic of South AfricaTreatment of barley plants with 2,4-D, when the main tiller apical meristem was in the late vegetative or double ridge stage, resulted in the production of various abnormalities including missing spikes, branched spikes, whorls of spikelets and paired spikelets instead... -
Effect of cyanamide and DNOC/oil on budbreak, yield and fruit size of Golden Delicious apples
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. North --- , Republic of South AfricaCalcium cyanamide (CaCN2), hydrogen cyanamide (H2CN2) and DNOC/oil (dinitro-o-cresol/oil emulsion) were evaluated as rest-breaking agents on Golden Delicious apples during two seasons and in two climatic zones. In the moderate climatic zone, a double and single application of DNOC/oil gave... -
Bepaling van donkerrespirasie by mielies (Zea mays L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W.H. du Preez --- Landboufakulteit, Republiek van Suid-Afrika J.J. Human --- Landboufakulteit, Republiek van Suid-Afrika L.P. de Bruyn --- Landboufakulteit, Republiek van Suid-AfrikaTwee mieliecultivars wat in potte onder glashuistoestande met optimale watervoorsiening gekweek is, is gedurende die agtblaarstadium en stuifmeelstort tot baardverskyning aan stremming onderwerp deur watertoediening te weerhou. Die CO2-uitvloeitempo is op sekere tye gedurende die nagperiode gemonitor. Hierdie waardes het... -
The effect of leaf water potential on the carbon-dioxide uptake rate during different growth stages of wheat (Triticum aestivum L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.J. Human --- Department of Agronomy, Faculty of Agriculture, Republic of South Africa W.J. Roux --- Department of Agronomy, Faculty of Agriculture, Republic of South Africa L.P. de Bruyn --- Department of Agronomy, Faculty of Agriculture, Republic of South AfricaThe effect of water stress on the CO2 uptake rate was measured at three different growth stages of wheat grown in Mitscherlich pots in a glasshouse experiment. Stress was induced by withholding water until the leaf water potential reached −2... -
Refinement and validation of the PUTU wheat crop growth model 2. Leaf area expansion
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. Singels --- Department of Agrometeorology, Republic of South Africa J.M. de Jager --- Department of Agrometeorology, Republic of South AfricaA refined leaf growth submodel was incorporated in an existing wheat crop growth model. The submodel calculated daily green leaf area expansion per plant by taking into account plant population, crop age, interplant competition, temperature and crop water status. After... -
A growth model for sugar-cane based on a simple carbon balance and the CERES-Maize water balance
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: N.G. Inman-Bamber --- , Republic of South AfricaThe economic optimum harvest age for sugar-cane depends to a large extent on how rates of photosynthesis and respiration change with age. A simple model of the carbon balance in which a constant photosynthetic efficiency was assumed, accounted to a... -
The effect of various tillage methods on soil and water losses from maize lands
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W.B. Russell --- Department of Agricultural Development, Republic of South AfricaNatural runoff plots on which maize was produced were laid out at Cedara on a well-drained clay loam Doveton soil and showed, over a six-year period, the benefits to be gained from adopting conservation tillage practices. The four tillage and... -
Antagonistic effect of MCPA on Avena sterilis with tralkoxydim
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: B.L. de Villiers --- Small Grain Centre, Republic of South Africa D. du Toit --- , Republic of South AfricaControl of wild oats (Avena sterilis ssp. ludoviciana Nyman) with tralkoxydim {2-[1-(ethoxyimino)propyl]-3- hydroxy-5-(2,4,6-trimethylphenyl) cyclohex-2-enone} in a tank mix with MCPA (2-methyl-4-chloro phenoxy acetic acid) and/or bromoxynil (3,5-dibromo-4-hydroxybenzonitrile-octanoate and heptanoate esters) was determined under controlled conditions. Tralkoxydim alone and combinations with... -
Influence of crop production practices on Pythium infections and yield of winter wheat in fumigated and non-fumigated soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.B. Scott --- Small Grain Centre, Republic of South Africa W.H. Kilian --- Small Grain Centre, Republic of South Africa W.S. Miles --- Small Grain Centre, Republic of South AfricaField trials consisting of different tillage and soil fertility treatments were conducted to study possible causes of yield decline of monoculture winter wheat in the eastern Orange Free State. Soil fumigation with methyl bromide enhanced plant growth, reduced Pythium infections... -
Storage root formation at individual nodes of the sweet potato (Ipomoea batatas (L.) Lam)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C.P. du Plooy --- , Republic of South Africa A.A. van den Berg --- , Republic of South Africa P.S. Hammes --- Department of Plant Production, Republic of South Africa L.C. Holtzhausen --- Department of Plant Production, Republic of South AfricaLittle or no information is available on the contribution of individual subterranean nodes to the storage root formation in sweet potatoes. Therefore, two field trials were conducted where apical vine cuttings of various cultivars were planted vertically or horizontally, with... -
Drought-related protein synthesis in cotton
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. van der Mescht --- , Republic of South Africa J.A. de Ronde --- , Republic of South AfricaThe changes in protein profiles of six cotton cultivars subjected to osmotic stress were examined. Osmotic stress was applied by incubating leaf segments in mannitol. The efficiency of protein synthesis decreased with increasing concentrations of mannitol. Drought-related protein synthesis during... -
Long-term effects of conservation practices on the nitrogen fertility of a soil cropped annually to wheat
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.H. Wiltshire --- Department of Soil Science, Republic of South Africa C.C. du Preez --- Department of Soil Science, Republic of South AfricaSustainable farming in the semi-arid interior of South Africa requires the adoption of conservation practices to maintain and, if possible, increase soil fertility. The effects of some such practices on the nitrogen fertility of a hydromorphic sandy clay loam soil... -
The use of a sewage sludge as a fertilizer for wheat in a glasshouse pot experiment
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.C. Hughes --- Department of Agronomy, Republic of South Africa A.D. Noble --- Department of Agronomy, Republic of South Africa S. Scott-Brown --- Department of Agronomy, Republic of South AfricaAcid soil infertility is a major limiting factor in crop production on soils along the eastern seaboard of South Africa. Invariably this problem is addressed by effectively liming the topsoil with little influence on subsoil acidity. A study was conducted... -
Nature and importance of subterranean insect damage to pre-harvest groundnuts
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C.F. van Eeden --- , Republic of South Africa J. B.J. van Rensburg --- Summer Grain Centre, Republic of South Africa T. C. de K. van der Linde --- Department of Zoology and Entomology, Republic of South AfricaThe nature and importance of insect damage to subterranean pre-harvest groundnuts were determined by regular sampling in commercial groundnut fields. Five categories of damage are described, viz. damage to newly planted seed, pegs, immature pods, mature pods and kernels. Both... -
The effect of pod scarification by soil inhabiting insects on the quality of groundnuts (Arachis hypogaea L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C.F. van Eaden --- , Republic of South Africa J. B.J. van Rensburg --- Summer Grain Centre, Republic of South Africa T. C. de K. van der Linde --- Department of Zoology and Entomology, Republic of South AfricaThe effect of pod scarification by soil insects on the yield and quality of groundnuts was determined at thirty localities in the Highveld Region of South Africa. Subsamples of superficially damaged pods and sound pods were shelled separately, the kernels... -
The role of insect damage in the colonization of groundnut (Arachis hypogaea L.) pods by fungi
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C.F. van Eeden --- , Republic of South Africa J. B.J van Flensburg --- Summer Grain Centre, Republic of South Africa T. C. de K. van der Linde --- Department of Zoology and Entomology, Republic of South AfricaThe incidence of fungal infection in insect-damaged and healthy pods and the resultant colonization of kernels was determined from commercial fields at four localities over a period of two seasons. Based on number of colonies per 100 plates, the order... -
The effects of tillage systems on soil bulk density and penetrometer resistance of a sandy clay loam soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.T. Steyn --- Small Grain Centre, Republic of South Africa J. P.C. Tolmay --- Small Grain Centre, Republic of South Africa J.J. Human --- Department of Agronomy, Republic of South Africa W.H. Kilian --- Small Grain Centre, Republic of South AfricaConcern has been expressed that reduced tillage systems may lead to excessive soil compaction, with a negative impact on crop growth. The objectives of this study were to determine the effects of different tillage systems, namely, minimum tillage (disc and... -
Development of a chemical control strategy for Chilo partellus (Lepidoptera: Pyralidae) in grain sorghum
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. van den Berg --- Summer Grain Centre, Republic of South Africa M.C. van der Westhuizen --- Department of Zoology and Entomology, Republic of South AfricaFour field trials were conducted over three seasons to determine the optimum plant growth stages for single and follow-up insecticide applications for the control of Chilo partellus in grain sorghum. The insecticide was applied at various vegetative and reproductive plant... -
Die invloed van grondbewerking op vroeë wortelontwikkeling en biomassa van koringkultivars (Triticum aestivum L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.T. Steyn --- , Republiek van Suid-Afrika J. P.C. Tolmay --- , Republiek van Suid-Afrika J.J. Human --- Departement Agronomie, Republiek van Suid-AfrikaDit is bekend dat 'n goeie wortellengte en/of worteldigtheid in die eerste paar weke belangrik is om goeie saailingvestiging te verkry. Die doel van hierdie studie was om die uitwerking van minimumbewerking (wisselgangskotteleg en vlerkskaar), beitelploeg- en konvensionele bewerking op... -
Analysis of the HMW glutenin subunit composition of wheat cultivare by SDS-PAGE
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O.T. de Villiers --- Department of Botany, Republic of South Africa M. Bosman --- Centre for Cereal Research, Department of Agronomy and Pastures, Republic of South AfricaThe composition of the high-molecular weight (HMW) glutenin subunits of 13 wheat cultivars grown in the Western Cape was determined using Polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulphate (SDS-PAGE). The molecular weight of the different subunits was... -
Germination of South African soya bean seed lots
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: B. Hamman --- Department of Botany, Republic of South Africa G. Koning --- Department of Botany, Republic of South Africa H.A. van de Venter --- Department of Botany, Republic of South AfricaA survey of the germination performance of some South African soya bean [Glycine max (L.) Merrill.] cultivars, produced at different localities, was conducted. Seeds were harvested from two early-maturing (Columbus and Crawford), two intermediate-maturing (Prima and Highveld Top), and two... -
The influence of applied nitrogen on herbage yield and quality of Lolium perenne L. pastures during the establishment year under subtropical conditions
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: F.R. McKenzie --- Department of Grassland Science, Republic of South AfricaThe dry matter (DM) yield, cellulase DM disappearance (CDMD) and herbage nitrogen (N) of sheep-grazed perennial ryegrass [Lolium perenne (L.)] during its establishment year was evaluated. Yield and quality were monitored under N applications ranging from 120 to 720 kg... -
Die invloed van grondsuurheid op koringkultivars (Triticum aestivum L.) met verskillende vlakke van aluminiumverdraagsaamheid in die Oos-Vrystaat. I. Opbrengs
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O. J.H. Bosch --- , Republlekvan Suid-Afrika W.M. Otto --- , Republlekvan Suid-Afrika J.J. Human --- Departement Agronomie, Republiek van Suid-Afrika'n Veldproef is uitgevoer oor twee groeiseisoene (1993 en 1994) in die Oos-Vrystaat om te bepaal waiter opbrengsverskille daar bestaan tussen verskillende koringkultivars wat varieër in aluminium (Al) -verdraagsaamheid. Vier verskillende pH- en suurversadigingsvlakke is gebruikom nege koringkultivars se opbrengsverskille... -
Crop rotation and tillage effects on yield and the incidence of root and stalk rot in sorghum (Sorghum bicolor)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: B.C. Flett --- , Republic of South AfricaThe effect of six crop rotation systems, planted under conventional and reduced tillage, on root and stalk rot and grain yield of sorghum was studied. The systems were applied for five seasons until 1991/92 when the effects of the systems... -
The use of acid Polyacrylamide gel electrophoresis to determine the effect of locality of growth on the protein profiles of barley, wheat and honeybush tea
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O.T. de Villiers --- Department of Botany, South Africa M. Bosman --- Centre for Cereal Research, Department of Agronomy and Pastures, South AfricaAcid Polyacrylamide gel electrophoresis (A-PAGE) of proteins was used to identify different spring wheat cultivare, barley cultivars and Cyclopia species. Experimental conditions for the extraction of the proteins from single kernels as well as corresponding flour samples are described. Different... -
Susceptibility of maize hybrids to grey leaf spot under two tillage systems in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. M.J. Ward --- , South Africa D.C. Nowell --- , South Africa M.D. Laing --- Department of Plant Pathology, South Africa M.I. Whitwell --- , South AfricaGrey leaf spot (Cercospora zeae-maydis Tehon and E.Y. Daniels) has seriously decreased the yields of maize in KwaZulu-Natal, South Africa, and has been identified in neighbouring provinces and countries. Since no commercially grown hybrids have been identified to be resistant... -
A staining method to intensify a specific high molecular weight glutenin band and the calculation of the relative protein content of the band with laser densitometer scans
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. Bosman --- Centre of Cereal Research, Department of Agronomy and Pastures, Republic of South Africa G.A. Agenbag --- Department of Agronomy and Pastures, Republic of South AfricaA number of staining procedures were evaluated after sodium dodecyl sulphate (SDS) Polyacrylamide gel (PAGE) electrophoretic runs of different wheat cultivars of the Western Cape. The staining method developed by Neuhoff, Arold, Taube and Ehrhardt, (1988) intensified a specific high... -
Complex of root infecting fungi isolated from maize grown under various tillage practices
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Elbé Smit --- , Republic of South AfricaMaize root rot is common in South Africa and various factors may influence disease severity. Phoma spp., Trichoderma spp., Fusarium spp., Macrophomina phaseolina (Tassi) Goid. and Exserohilum pedicellatum (Henry) Leonard and Suggs are the primary fungi isolated from infected roots... -
Development of integrated control strategies for wattle. 1. Utilization of wattle, control of stumps and rehabilitation with pastures
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.L. Campbell --- Cedara Weeds Laboratory, Republic of South Africa R.L. Kluge --- Cedara Weeds Laboratory, Republic of South AfricaTwo integrated control strategies were developed for areas where wattle infestations could be utilized. Costing analyses were determined for initial control and four follow-up control operations using chemical control and fire. Efficacy of all treatments was high. Costs were significantly... -
Development of integrated control strategies for wattle. II. Control of unwanted wattle
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.L. Campbell --- Cedara Weeds Laboratory, Republic of South Africa D.C. Naudé --- Cedara Weeds Laboratory, Republic of South Africa R.L. Kluge --- Cedara Weeds Laboratory, Republic of South AfricaFour integrated control strategies were developed for wattle that could not be removed for utilization. In the first two strategies, a combination of mechanical and/or chemical control methods either reduced the wood biomass in situ (fell, stack and burn) or... -
Long and short term effects of tillage systems on grain yield, the incidence of diseases and production costs for maize
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K.F. Lawrance --- , Republic of South Africa M.A. Prinsloo --- , Republic of South Africa W. A.J. Berry --- , Republic of South AfricaThe effect of four tillage systems on grain yield of maize, incidence of diseases and production costs was investigated for a Hutton soil in the Natal Midlands from 1982 to 1995. The four tillage systems were no-till (NT), reduced tillage... -
The development of harvesting schedules and post-harvesting management practices relative to oil yield of Eriocephalus punctulatus
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: L.N. Webber --- Department of Livestock and Pasture Science, Republic of South Africa M.L. Magwa --- Electron Microscope Unit, J. van Staden --- Department of Botany, University of Natal Pietermaritzburg, Republic of South AfricaThe first phase in the domestication programme of Eriocephalus punctulatus involved establishing how this crop could be harvested without adversely affecting plant vigour and longevity. The second phase of the domestication programme was the development of harvesting schedules that would... -
Parasitism of Plutella xylostella (Lepidoptera, Plutellidae): Field and laboratory observations
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S.M. Waladde --- , Republic of South Africa M.F. Leutle --- , Republic of South Africa M.H. Villet --- , Republic of South AfricaInvestigations carried out at Alice and its rural environs in the Eastern Cape province of South Africa, showed that parasitoids affecting the diamondback moth Plutella xylostella (L.) (Lepidoptera: Plutellidae) were Cotesia plutellae, Apanteles eriophyes, Diadegma sp., Diadromus collaris, Oomyzus sokolowskii... -
Response of three sorghum (Sorghum bicolor L. Moench) varieties to soil moisture stress at different developmental stages
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. Munamava --- Department of Agricultural Research, Botswana I. Riddoch --- , BotswanaThree varieties (Segaolane, Mahube and Phofu) of sorghum (Sorghum bicolor L. Moench) that were selected in Botswana, were water-stressed at the vegetative, booting and flowering stages in a pot experiment under glasshouse conditions. Stomatal conductance was reduced by water stress... -
AFLP and RAPD markers linked to leaf rust resistance gene Lr41 in wheat
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J-M. Lottering --- Department of Genetics, A-M. Botha --- Department of Genetics, F.J. Kloppers --- , South AfricaRAPD (random amplified polymorphic DNA) and AFLP (amplified fragment length polymorphism) analyses were used to identify molecular markers linked to the leaf rust resistance gene Lr41. Bulk and parental lines were screened with 380 RAPD primers and 64 AFLP primer... -
Maize cropping system analysis and economic comparison for two environments
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.A. Prinsloo --- , Republic of South Africa H. J.H. Erasmus --- , Republic of South AfricaThe effect of different maize cropping systems and economic implications were investigated at two localities from 1994 to 2000. Soil types differed, and the topsoil at Bloekomspruit and Viljoenskroon contained 17% and 5% clay, respectively. The five primary cropping systems... -
A drought assessment model for Karoo rangeland
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.C. Venter --- , Republic of South AfricaThe KAROO drought assessment model simplifies veld growth responses to rainfall variability by simulation of the growth and dieback of a hypothetical plant species. Soil water content is treated as a simple weighting factor which determines the plant's growth rate... -
The efficacy of liquid seaweed extract on the yield of canola plants
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.I. Ferreira --- Production Technology, Republic of South Africa A.F. Lourens --- , Republic of South AfricaThe efficacy of auxin/cytokinin (Kelpak) on its own and in a mixture with the herbicide clopyralid (Lontrel 100), for post-emergence application at various growth stages in canola (Brassica napus) was assessed. A Kelpak foliar application at 2 I ha−1 applied... -
Effect of soil tillage, crop rotation and nitrogen application rates on grain yield of spring wheat (Triticum aestivum L.) in the Swartland wheat producing area of the Republic of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S.H. Maali --- Department of Agronomy, Republic of South Africa G.A. Agenbag --- Department of Agronomy, Republic of South AfricaStudies on spring wheat yield components were conducted during the 2000 and 2001 growing seasons only, while grain yield responses to tillage, crop rotation and N rates during these years were compared to the mean yield for the years 1992,... -
Effect of soil tillage, crop rotation and nitrogen application rates on soil mineral-N levels in the Swartland wheat producing area of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S.H. Maali --- Department of Agronomy, Republic of South Africa G.A. Agenbag --- Department of Agronomy, Republic of South AfricaStudies on nitrogen (N) levels in soil were conducted from 1997 to 2000 in a long-term tillage and crop rotation trial, which started in 1976. Three tillage methods namely conventional tillage (CT), tine tillage (TT), and notillage (NT) were compared... -
An investigation into soil fertility in two resource-poor farming communities in KwaZulu-Natal (South Africa)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: V.G. Roberts --- KwaZulu-Natal Dept. of Agriculture and Environmental Affairs, Republic of South Africa S. Adey --- , Republic of South Africa A.D. Manson --- KwaZulu-Natal Dept. of Agriculture and Environmental Affairs, Republic of South AfricaLow soil fertility is one of the major constraints affecting agriculture in Africa, a phenomenon that is also evident in fields of resource-poor farmers in KwaZulu-Natal. However, nutrient depletion status is field specific. This paper investigates the hypothesis that among... -
Germination strategies of Strandveld Succulent Karoo plant species for revegetation purposes: III Effect of relative humidity and storage site on seed viability
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.J. de Villiers --- Department of Botany, Republic of South Africa M.W. van Rooyen --- Department of Botany, Republic of South Africa G.K. Theron --- Department of Botany, Republic of South AfricaChanges in seed viability owing to fluctuations in environmental conditions (temperature and relative humidity) are crucial factors to consider during post-mining revegetation efforts in the Strandveld Succulent Karoo. The effect of relative humidity and storage site on seed viability was... -
Estimation of water use by red grass (Themeda triandra Forssk.) growing in shallow soils: toward a method of on-farm drought assessment
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.C. Venter --- , South AfricaThis study was prompted by the need of stock farmers without access to computers for a simple on-farm drought assessment method as an aid in management decision making with respect to stock numbers in times of drought. It is proposed... -
An overview of Karoo vegetation modelling Published on the occasion of the Centenary of the ARC-Institute for Soil, Climate and Water
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.C. Venter --- Department of Soil, South AfricaKaroo vegetation processes have been modelled in recent years at various scales and levels of complexity for a variety of purposes ranging from regional drought assessment to range management at farm level. Some models aim to simulate veld growth responses... -
Factors affecting runoff and soil loss under simulated rainfall on a sandy Bainsvlei Amalia soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Y.E. Woyessa --- Department of Soil, Crop and Climate Sciences, South Africa A. T.P. Bennie --- Department of Soil, Crop and Climate Sciences, South AfricaThis study was conducted on a long-term tillage experiment that was designed to evaluate appropriate tillage practices for sustainable dryland crop production. Measurements of runoff and soil loss were conducted on a sandy Bainsvlei Amalia soil (88.0% sand, 3.6% silt,... -
Effect of soil tillage, crop rotation and nitrogen application rates on plant-N content of spring wheat (Triticum aestivum L.) in the Swartland wheat-producing area of the Republic of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S.H. Maali --- Department of Agronomy, Republic of South Africa G.A. Agenbag --- Department of Agronomy, Republic of South AfricaStudies on nitrogen content in spring wheat were conducted during the 2000 and 2001 growing seasons as part of a long-term tillage and crop rotation trial. Four tillage methods were used, namely conventional tillage (CT), tine tillage (TT), minimum tillage... -
Development of a doubled haploid mapping population and linkage map for the bread wheat cross Kariega × Avocet S
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R. Prins --- , South Africa V.P. Ramburan --- , South Africa Z.A. Pretorius --- Department of Plant Sciences, South Africa L.A. Boyd --- Department of Disease and Stress Biology, John Innes Centre, UK W. H.P. Boshoff --- , South Africa P.H. Smith --- Department of Disease and Stress Biology, John Innes Centre, UK J.H. Louw --- Department of Genetics, South AfricaA doubled haploid wheat population of 150 lines was constructed from the F1 of a cross between cultivars Kariega and Avocet S using the wheat-maize technique. Segregation and linkage analysis of 203 DNA markers, two storage protein markers and the... -
Influence of harvest maturity on quality of cold stored Vitis vinifera L. cv. ‘Thompson Seedless’ and ‘Red Globe’ table grapes, with special reference to berry split
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.A. Burger --- , South Africa M.A. Taylor --- , South Africa G. Jacobs --- Department of Horticultural Science, South Africa M. Huysamer --- Department of Horticultural Science, South AfricaEffect of harvest maturity on quality of Thompson Seedless' and ‘Red Globe’ table grapes after cold storage at −0.5°C and a subsequent shelf life was investigated. Berry split decreased significantly for grapes harvested at more advanced maturities. By harvesting ‘Thompson... -
Yield retention of resistant wheat cultivars, severely infested with Russian wheat aphid, Diuraphis noxia (Kurdjumov), in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: VickiL. Tolmay --- , South Africa CS van Deventer --- Department of Plant Breeding, South AfricaRussian wheat aphid, Diuraphis noxia (Kurdjumov), has been a serious pest of wheat in South Africa since 1978. Wheat producers observed that resistant cultivars, developed for control of this aphid, differed in resistance and questioned whether insecticide treatment would be... -
Protein concentration in response to water stress in Themeda triandra Forsk
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: I.B. Oosthuizen --- Department of Animal, H.A. Snyman --- Department of Animal, J.C. Pretorius --- Department of Soil, Crop and Climate Sciences, South AfricaThe influence of water stress on the concentration of water-soluble protein growth reserves was determined during three growth stages (vegetative, pipe and reproductive) as well as in three plant parts (roots, stubble and leaves) for the indigenous C4 semi-arid grass... -
Effect of soil tillage, crop rotation and nitrogen application rates on bread-baking quality of spring wheat (Triticum aestivum L.) in the Swartland wheat producing area of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S.H. Maali --- Department of Agronomy, Republic of South Africa G.A. Agenbag --- Department of Agronomy, Republic of South AfricaSpring wheat (Triticum aestivum L.) is produced in the wheat producing areas of the Western Cape Province, Republic of South Africa, primarily for bread-baking purposes. Milling and baking characteristics are therefore of utmost importance. In a long-term tillage and crop... -
Tillage-crop residue management and rainfall-runoff relationships for the Alemaya catchment in Eastern Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Y.E. Woyessa --- Department of Soil, Crop and Climate Sciences, South Africa A. T.P. Bennie --- Department of Soil, Crop and Climate Sciences, South AfricaA field study was conducted in the Alemaya catchment, Eastern Ethiopia, with the objective of determining the effect of tillage practices, crop reside cover and rainfall characteristics on runoff during two rainfall seasons on a clayey Regosol with 5% slope... -
Soil compaction by tractor tillage in horticultural fields at Molelwane research farm, Mafikeng, North West Province
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S.A. Materechera --- Crop Science Department, Faculty of Agriculture, Science & Technology, Republic of South Africa K. Gaobope --- Crop Science Department, Faculty of Agriculture, Science & Technology, Republic of South AfricaThe study was prompted by concerns that soil compaction in horticultural fields at the University research farm was limiting the performance of fruit trees and vegetable crops after fifteen years of conventional tillage with tractors. Soil penetrometer resistance and bulk... -
Effect of tillage system and nitrogen fertilization on yield and yield components of maize in Western Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D. Tolessa --- Department of Soil, Crop and Climate Sciences, South Africa C.C. Du Preez --- Department of Soil, Crop and Climate Sciences, South Africa G.M. Ceronio --- Department of Soil, Crop and Climate Sciences, South AfricaThe western part of Ethiopia has a high maize production potential as a result of favourable environmental conditions. However, maize production is constrained by non-sustainable cropping practices, particularly plough- or hoe-based cultivation, soil and water loss due to erosion, as... -
Influence of long-term wheat residue management on organic matter in an Avalon soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E. Kotzé --- Department of Soil, Crop and Climate Sciences, Republic of South Africa C.C. du Preez --- Department of Soil, Crop and Climate Sciences, Republic of South AfricaThis study was initiated to determine the influence of different wheat residue management practices, that were sustained for about 20 years, on the organic matter content of an Avalon soil in a long-term trial near Bethlehem in the Eastern Free... -
Honeybush (Cyclopia spp.) response to phosphorus fertilisation and mulching
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.E. Joubert --- , South Africa P.S. Botma --- , South Africa W. A.G. Kotzé --- , South Africa J. Wooldridge --- , South AfricaHoneybush (Cyclopia spp.) is endemic to the Western- and Eastern Cape where it grows naturally in sandy, acidic, low- phosphorus (P) soils. The effects of different rates of applied P, and of mulches, on the growth of four honeybush species... -
Habitat management in control of Astylus atromaculatus (Coleoptera: Melyridae) in maize under subsistence farming conditions in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.O. Midega --- , Kenya J. Van den Berg --- , South Africa Z.R. Khan --- , KenyaStudies were conducted in South Africa to assess the potential role of a habitat management strategy developed for the control of cereal stemborers in control of Astylus beetle. This strategy involves intercropping maize with a stemborer moth-repellent fodder plant (Desmodium)... -
Effect of indigenous storage method on performance of taro [Colocasia esculenta (L.) Schott] under field conditions in a warm subtropical area
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: AlbertT. Modi --- ,Successful crop stand establishment, a critical prerequisite for efficient crop production, is primarily determined by propagule quality. Taro [Colocasia esculenta (L.) Schott] corms of different sizes (80–100 g corm−1, 40–60 g corm−1 and 20–30 g corm−1) that had been stored... -
Predicting seedling emergence of cabbage and onion using vigour tests
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.K. Fessehazion --- Department of Plant Production and Soil Science, South Africa D. Marais --- Department of Plant Production and Soil Science, South Africa P.J. Robbertse --- Department of Plant Production and Soil Science, South AfricaPredicting seedling emergence using standard and non-standard germination temperatures, standard accelerated ageing (AA) and saturated salt accelerated ageing (SSAA) tests, were investigated. Germinations were performed at temperatures of 10°, 20°, 20°/30° and 30°C for cabbage (Brassica oleracea var. capitata L.)... -
Influence of long-term wheat residue management on acidity and some macronutrients in an Avalon soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E. Kotzé --- Department of Soil, Crop and Climate Sciences, 9300 Republic of South Africa C.C. du Preez --- Department of Soil, Crop and Climate Sciences, 9300 Republic of South AfricaThis study was initiated to determine the influence of different wheat residue management practices, that were sustained for about 20 years, on some fertility indicators of an Avalon soil in a long-term trial near Bethlehem in the eastern Free State... -
Efficacy of glyphosate, alternative post-emergence herbicides and tillage for control of Cynodon dactylon
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: PL Campbell --- , Republic of South AfricaCynodon dactylon (L.) Pers (cynodon) is a major weed in the South African sugarcane industry. Current recommendations involve repeated application of glyphosate for prolonged control. This paper describes three trials of a study to identify alternative treatments. Trial 1 screened... -
Image analysis to quantify herbicide efficacy for Cynodon dactylon control
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.L. Campbell --- , Republic of South Africa M.T. Smith --- , Republic of South Africa C. Sewpersad --- , Republic of South Africa M. van den Berg --- , Republic of South AfricaStudies on the effectiveness of herbicides for control of Cynodon dactylon (L.) Pers. (cynodon) normally rely on visual recording methods, which are rapid and convenient, but lack objectiveness and reproducibility. To address this problem, a computer software package was customized... -
Spatial distribution of selected chemical properties of soils situated close to an abandoned manganese mine
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G. E. Ekosse --- , South Africa P.S. Fouche --- , South AfricaThis study aimed at understanding the spatial distribution of the base saturation percentage (PSB), cation exchange capacity (CEC), pH(water) and electrical conductivity (EC) in soils situated close to the abandoned Kgwakgwe Mn oxide ore mine, Botswana. Four hundred soil samples... -
Root dynamics of Themeda triandra Forsk. in relation to water stress and defoliation at different phenological stages
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: I.B. Oosthuizen --- Department of Animal, Wildlife and Grassland Sciences, South Africa H.A. Snyman --- Department of Animal, Wildlife and Grassland Sciences, South AfricaThe impact of water stress on root growth for the indigenous apomectic C4-grass species Themeda triandra was determined over a growing season covering three growth stages (vegetative, pipe and reproductive), as well as for regrowth occurring to one, three and... -
Effect of tillage system and nitrogen fertilization on efficacy of applied nitrogen by maize in Western Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D. Tolessa --- Department of Soil, Crop and Climate Sciences, South Africa C.C. Du Preez --- Department of Soil, Crop and Climate Sciences, South Africa G.M. Ceronio --- Department of Soil, Crop and Climate Sciences, South AfricaNitrogen is the most limiting nutrient for maize production under conventional and minimum tillage systems in western Ethiopia. Thus application of N is essential to sustain production in the region. However, very little is known about the efficiency of the... -
Soil properties changes after short-term livestock exclusion in “degraded” communally managed rangelands in the western Bophirima District, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.S. Moussa --- , South Africa L. Van Rensburg --- , South Africa K. Kellner --- , South AfricaLivestock grazing and detrimental overgrazing are commonly associated with severe rangeland degradation particularly in communally managed pastoral systems in South Africa. Effects of grazing exclusion on vegetation are well documented, but there is a dearth of quantitative research conducted in... -
Evaluation of near infrared spectra for the prediction of post harvest quality in canning peaches
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. Manley --- Department of Food Science, South Africa E. Joubert --- Department of Food Science, South Africa L. Myburgh --- Department of Food Science, South Africa L. Lotz --- , South Africa M. Kidd --- , South AfricaHuge production losses occur because of deterioration of quality of clingstone peaches during cold storage, rendering the fruit unsuitable for canning. Near infrared (NIR) spectra recorded from intact clingstone peaches were evaluated to predict post harvest quality of these peaches... -
Advances in soil physics: Application in irrigation and dryland crop production
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: L.D. van Rensburg --- Department of Soil, Crop and Climate Sciences, South AfricaThis is the third soil physics review to be published in South African Journal of Plant and Soil. In the previous reviews the focus was broad and covered almost every aspect of the subject, providing a comprehensive list of contributions... -
Advances in sugarcane soil fertility research in Southern Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.H. Meyer --- , R. van Antwerpen --- ,The South African sugar industry is a modern, well organised industry and highly cost-competitive in world terms, producing some 2.3 million tons of sugar annually from 20 million tons of cane. The bulk of the cane is produced by some... -
Modelling crop growth and crop water relations in South Africa: Past achievements and lessons for the future
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. Singels --- , South Africa J.G. Annandale --- Department of Plant Production and Soil Science, South Africa J.M. De Jager --- Department of Soil, Crop and Climate Sciences, South Africa R.E. Schulze --- , South Africa N.G. Inman-Bamber --- , Australia W. Durand --- , South Africa L.D. Van Rensburg --- Department of Soil, Crop and Climate Sciences, South Africa P.S. Van Heerden --- , South Africa C.T. Crosby --- , South Africa G.C. Green --- , South Africa J.M. Steyn --- Department of Plant Production and Soil Science, South AfricaMathematical simulation of crop growth and water relations has become indispensable to agricultural science and practice. A critical assessment of how modelling has contributed to the development of crop science and to the management of crop production and natural resources... -
Herbicide resistance in weeds – a threat to effective chemical weed control in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.J. Pieterse --- Department of Agronomy,Apart from the last 40 to 50 years, weed control in crops has always been a labour-intensive and time-consuming mechanical practice. Relief came in the form of chemical compounds that could control weeds, in particular selective herbicides. The development of... -
Preliminary assessment of bambara groundnut (Vigna subterranea L.) landraces for temperature and water stress tolerance under field conditions in Botswana
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. Sesay --- Botswana College of Agriculture, Botswana T. Mpuisang --- Botswana College of Agriculture, Botswana T.S. Morake --- Department of Agricultural Research, Ministry of Agriculture, I. Al-Shareef --- School of Bioscience, Department of Plant and Crop Science, UK H.J. Chepete --- Botswana College of Agriculture, Botswana B. Moseki --- Department of Biological Sciences, BotswanaField experiments were conducted in 2006/07 and 2007/08 in Botswana to study the response of bambara groundnut to heat stress (2006/07 season) and to heat stress and soil moisture deficit stress (2007/08 season). In both seasons selected bambara groundnut landraces... -
Macro and micro element requirements of young and bearing apple trees under drip fertigation
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Grace N. Kangueehi --- Department of Horticultural Science, South Africa P.J.C. Stassen --- , South Africa K.I. Theron --- Department of Horticultural Science, South Africa J. Wooldridge --- , South Africa‘Brookfield Gala’ apple trees on Merton 793 rootstock were planted on a loam sand soil at 2000 trees ha−1, trained to a central leader using the solaxe system and supplied with nutrients by drip fertigation. Trees were individually excavated at... -
Growth, yield and grain protein content of wheat (Triticum aestivum L.) in response to nitrogen fertiliser rates, crop rotation and soil tillage
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: GA Agenbag --- Department of Agronomy, South AfricaSoil tillage affects both the profitability and sustainability of cropping systems. Minimum- and no-tillage systems are promoted because research has shown that these systems may reduce production costs and improve biological sustainability when compared to conventional systems, in which mouldboard... -
Morphological characters and ascorbic acid content of an elite genotype of Corchorus olitorius: the influence of moisture stress
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: AnofiOT Ashafa --- Department of Plant Sciences, South Africa AbidemiA Abass --- Department of Botany, Nigeria Titilola Osinaike --- Department of Botany, Nigeria FrancisB Lewu --- Agriculture Department, South AfricaMoisture stress can be deleterious to physicochemical properties of crop species to a varying degree. The influence of moisture stress on the ascorbic acid content in the leaf and morphological characters of an elite genotype of Corchorus olitorius were tested... -
Effects of storage conditions on transpiration rate of pomegranate aril-sacs and arils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Wilhelmina V Aindongo --- Department of Food Science, Faculty of AgriSciences, South Africa Oluwafemi J Caleb --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Faculty of AgriSciences, South Africa Pramod V Mahajan --- Department of Horticultural Engineering, Germany Marena Manley --- Department of Food Science, Faculty of AgriSciences, South Africa Umezuruike L Opara --- Postharvest Technology Research Laboratory, South African Research Chair in Postharvest Technology, Faculty of AgriSciences, South AfricaThis study investigated the effects of temperature (5, 10, 15 and 22 °C) and relative humidity (RH) (76%, 86% and 96%) on the transpiration rate (TR) of pomegranate (Punica granatum L.) cv. Bhagwa fruit fractions, namely arils and aril-sac. Both... -
Recent population trends of African penguins Spheniscus demersus in Namibia
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: J. Kemper J-P. Roux P. A. Bartlett Y. J. Chesselet J. A. C. James R. Jones S. Wepener F. J. MolloyThe African penguin Spheniscus demersus is endemic to southern Africa and is listed overall as "vulnerable". Over the past century, however, the Namibian population has been severely reduced and is currently listed as "critically endangered". Recent trends at Possession, Halifax,... -
The orange roughy fishery of Namibia: lessons to be learned about managing a developing fishery
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: D. C. Boyer C. H. Kirchner M. K. McAllister A. Staby B. I. StaalesenExploration for orange roughy Hoplostethus atlanticus in Namibia started in 1994 and within 12 months several aggregations had been discovered, suggesting the existence of a biomass sufficient to support a viable fishery. At that early stage it was realized that... -
Age and growth of two populations of West Coast steenbras Lithognathus aureti in Namibian waters, based on otolith readings and mark-recapture data
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: J. A. Holtzhausen C. H. KirchnerAge and growth of West Coast steenbras Lithognathus aureti, sampled from two separate populations (northern and southern) along Namibia's coast, was determined using sectioned otoliths, and the results were validated using mark-recapture data. For both populations, the special three-parameter Von... -
Assessment of the monkfish Lophius vomerinus resource off Namibia
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: L. Maartens A. J. BoothThe Lophius vomerinus component of the monkfish resource off Namibia was assessed by means of deterministic length- and age-based models. Steady state length cohort analyses illustrated that, although the model was sensitive to the rate of natural mortality, it was... -
An overview of the living marine resources of Namibia
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: D. C. Boyer I. HamptonThis paper gives an overview of the main living marine resources of Namibia. It focuses on the scientific research conducted during the past decade as input to the management of these resources. The distribution and habitats of the most important... -
Evaluation of a class of possible simple interim management procedures for the Namibian hake fishery
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: D. S. Butterworth H. F. GeromontDuring 1997, considerable scientific differences arose about the status of the Namibian hake (Merluccius capensis and M. paradoxus) resource, and as to whether the hake Total Allowable Catch (TAC) should be substantially decreased or increased. These differences revolved primarily around... -
A review of orange roughy Hoplostethus atlanticus fisheries, estimation methods, biology and stock structure
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: T. A. BranchOrange roughy Hoplostethus atlanticus are unusual fish. They form dense aggregations that have fuelled lucrative fisheries at great depths (600–1 400 m), especially off Namibia, New Zealand and Australia. They are thought to be very long-lived (>100 years, maturity at... -
A decade of exploitation and management of the Namibian hake stocks
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: A. van der WesthuizenThe hake resource is the most important commercial fish species in the demersal sector of Namibia's fisheries, both in terms of annual catch and contribution to Gross Domestic Product (GDP). The fishery now spans four decades. In the 1960s and... -
An assessment of the current status and potential yield of Namibia's northern West Coast steenbras Lithognathus aureti population
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: J. A. Holtzhausen C. H. KirchnerTwo distinct populations of West Coast steenbras Lithognathus aureti are found in Namibian waters; one, the northern population, is exploited recreationally and commercially. Data collected between 1995 and 1999 were used to evaluate its current state and potential yield, using... -
An assessment of the recreational fishery in the St Lucia estuarine system, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: B. Q. Mann N. C. James L. E. BeckleySt Lucia is one of the largest estuarine systems in Africa, and attracts thousands of anglers each year. Catchcard data from the National Marine Linefish System for the years 1986–1999 were analysed to determine catch composition, catch per unit effort... -
Life history of white stumpnose Rhabdosargus globiceps (Pisces: Sparidae) off South Africa
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: M. H. Griffiths C. Wilke A. J. Penney Y. MeloFishery-dependent and fishery-independent distribution analyses together reveal four discrete areas of white stumpnose Rhabdosargus globiceps abundance between Port Nolloth and the Kei River off the Cape Province of South Africa: the Western Cape (Saldanha Bay), the South-Western Cape, the Southern... -
Recommendations for the management of subsistence fisheries in South Africa
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: J. M. Harris G. M. Branch B. M. Clark A. C. Cockcroft C. Coetzee A. H. Dye M. Hauck A. Johnson L. Kati-Kati Z. Maseko K. Salo W. H. H. Sauer N. Siqwana-Ndulo M. SowmanThis paper summarizes recommendations for the management of previously marginalized and neglected subsistence fisheries in South Africa. The recommendations stem from the activities and analyses of a task group appointed by Government and mandated to provide advice about management of... -
Age and growth of the spinner shark Carcharhinus brevipinna (Müller and Henle, 1839) off the KwaZulu-Natal coast, South Africa
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: B. R. Allen S. P. WintnerAge and growth of the spinner shark Carcharhinus brevipinna off the KwaZulu-Natal coast of South Africa was investigated from vertebral growth ring counts of 67 specimens (54–213 cm precaudal length, PCL). Counts were made from sectioned vertebral centra by two... -
Defining fishers in the South African context: subsistence, artisanal and small-scale commercial sectors
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: G. M. Branch M. Hauck N. Siqwana-Ndulo A. H. DyeEvolution of a new policy for the management of marine fisheries in South Africa led to the Marine Living Resources Act of 1998 (MLRA). Among other innovations, this requires that management strategies be developed for subsistence fisheries. As a prerequisite,... -
Perceptions of subsistence and informal fishers in South Africa regarding the management of living marine resources
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: M. Hauck M. Sowman E. Russell B. M. Clark J. M. Harris A. Venter J. Beaumont Z. MasekoFollowing the legal recognition of subsistence fishers in 1998 through the promulgation of the Marine Living Resources Act, a Subsistence Fisheries Task Group (SFTG) was appointed by national government to provide recommendations on the management of subsistence fishing in South... -
The process of developing a management system for subsistence fisheries in South Africa: recognizing and formalizing a marginalized fishing sector in South Africa
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: J. M. Harris M. Sowman G. M. Branch B. M. Clark A. C. Cockcroft C. Coetzee A. H. Dye M. Hauck A. Johnston L. Kati-Kati Z. Maseko K. Salo W. H. H. Sauer N. Siqwana-Ndulo J. BeaumontSubsistence fishers were first recognized as a formal fishing sector in South Africa when new fishing legislation, aimed at redressing past inequalities, was enacted in 1998. Little information was available about these fishers, their activities, and the resources upon which... -
Bycatch in the gillnet and beach-seine fisheries in the Western Cape, South Africa, with implications for management
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: K. Hutchings S. J. LamberthInterview questionnaires and access point surveys were conducted in order to describe and quantify the catch composition of the inshore net-fisheries in the Western Cape, South Africa. A total of 138 562 fish, representing 29 species from 20 families, was... -
Assessment of resource availability and suitability for subsistence fishers in South Africa, with a review of resource management procedures
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: A. C. Cockcroft W. H. H. Sauer G. M. Branch B. M. Clark A. H. Dye E. RussellThe availability of resources and their suitability for subsistence and small-scale commercial fishers in South Africa were assessed and appropriate options for the management of resources recommended. Assessment of current resource utilization and recommendations for future subsistence and/or small-scale commercial... -
The role of the Tsitsikamma National Park in the management of four shore-angling fish along the south-eastern Cape coast of South Africa
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: P. D. Cowley S. L. Brouwer R. L. TilneyThe role of the Tsitsikamma National Park (TNP) in the management of four important shore-angling fish (Diplodus sargus capensis, Diplodus cervinus hottentotus, Pachymetopon grande and Dichistius capensis) was evaluated using data obtained from two independent studies conducted over a similar... -
ON THE DISSOLVED SOLIDS OF THE PONGOLO FLOOD PLAIN PANS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: J. Heeg --- Pongolo Research Group, C.M. Breen --- Pongolo Research Group, P.M. Colvin --- Pongolo Research Group, H.D. Furness --- Pongolo Research Group, C.F. Musil --- Pongolo Research Group,The water retained in the Pongolo flood plain pans differs from that of the Pongolo River not only in having a higher TDS, but also in the composition of the solutes, which approximate to seawater in their equivalent ionic proportions... -
ASPECTS OF THE FISHERIES OF LAKE LIAMBEZI, CAPRIVI
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: B. C.W. van der Waal --- Department of Co-operation and Development, South AfricaLake Liambezi, situated in the Linyanti Swamp, Caprivi, is inhabited by 43 fish species. Population estimates with seine nets, rotenone and explosives gave values of 74 to 157 kg ha−1. The composition of seine net catches differed markedly from gill... -
A COMPARISON OF DIFFERENT METHODS OF AGE DETERMINATION IN THE SHARPTOOTH CATFISH CLARIAS GARIEPINUS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: Douglas Clay --- Department of Zoology, U. K.Growth of the sharptooth catfish Clarias gariepinus from four southern African impoundments was estimated by back-calculating age from vertebrae and spines. Length frequency analysis supported the growth estimates derived from vertebrae but not those from spines.- Spines under-estimated the age... -
PRODUCTION OF THE AFRICAN CATFISH (CLARIAS GARIEPINUS) I. GROWTH, MORTALITY AND YIELD SOUTH OF THE ZAMBEZI
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: Douglas Clay --- Marine Fish Division, Department of Fisheries and Oceans, CanadaClarias gariepinus were sampled from eight water bodies in southern Africa between 1973 and 1975. Aging results indicate a similar growth pattern for most areas with a near linear age-length relationship. Between year growth compensation was found to be present... -
A SYSTEM DYNAMICS MODEL OF PART OF THE PONGOLO RIVER FLOODPLAIN: DEVELOPMENT AND WATER MANAGEMENT POLICY ANALYSIS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: A.K. Drewes --- ,The issue of allowing the Liming, duration and magnitude of a flood release to be determined by man has led to a wide spectrum of viewpoints as to which values of these parameters are most suitable for the Pongolo River... -
A RULE-BASED ECOSYSTEM MODEL FOR THE MANAGEMENT OF LAKE ST LUCIA
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: R.H. Taylor --- Natal Parks Board, South Africa B.P. Farm --- Dept. of Ecology and Behavioural Biology, United States of America A.M. Starfield --- Dept. of Ecology and Behavioural Biology, United States of AmericaLand transformations in the catchments of Lake St Lucia have altered the hydrology of the system and increased management is now needed to counteract these changes. There are several management options available, but prior to implementing them we must be... -
WATER QUALITY MODELLING PERCEPTIONS OF A WATER RESOURCE MANAGEMENT ORGANIZATION
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: H.D. Furness --- Scientific Services Division, South Africa W.N. Richards --- Scientific Services Division, South AfricaThe use of models by the South African water industry is discussed. It is suggested that climatic conditions and existing legislation have influenced the formulation of models. Future model requirements by the water Industry are outlined. Changes are suggested which... -
FUTURE CHALLENGES IN WATER QUALITY MODELLING WITH PARTICULAR REFERENCE TO OPERATIONALLY CLOSED CATCHMENTS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: S.F. Forster --- Department of Water Affairs, South Africa F.A. Stoffberg --- Department of Water Affairs, South Africa J.A. van Rooyen --- Department of Water Affairs, South AfricaAs a result of the declining quality of many water sources, the use of water quality models in planning is increasing. To date applications have involved the simulation of total dissolved salts and nutrients, largely in catchments affected by urban... -
OBSERVATIONS ON TEMPORAL TRENDS IN PHYTOPLANKTON DIVERSITY IN THE VAAL RIVER AT BALKFONTEIN, SOUTH AFRICA
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: A. J.H. Pieterse --- Department of Botany, South AfricaPhytoplankton diversity in the Vaal River at Balkfontein from March to October 1984 was investigated by employing different diversity indices. Most diversity indices showed appreciable variation during the study period indicating specific temporal trends. Greatest diversity was demonstrated for warmer... -
ASPECTS OF EUTROPHICATION MANAGEMENT IN TROPICAL/SUB-TROPICAL REGIONS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: J.A. Thornton --- , South AfricaIn 1981, the UNESCO in association with the IIASA and OECD recognized that tropical/-sub-tropical water bodies may respond differently to eutrophication management techniques than heretofore expected on the basis of temperate lake studies. However, little information on the eutrophication process... -
CIRCULATION IN HIGHLY STRATIFIED SOUTHERN AFRICAN ESTUARIES
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: J.L. Largier --- , USA J.H. Slinger --- Council for Scientific and Industrial Research, South AfricaThe nature of estuarine circulation under highly stratified conditions is reviewed in the context of southern African estuaries that are small and have a constricted connection to the ocean. While the focus is on the generic hydrodynamic processes and features,... -
MANAGEMENT OPTIONS FOR SHALLOW HYPERTROPHIC LAKES, WITH PARTICULAR REFERENCE TO ZEEKOEVLEI, CAPE TOWN
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: W.R. Harding --- , South Africa A. J.R. Quick --- , South AfricaZeekocvlei, a freshwater coastal lake, is an important regional recreation area in the south-western Cape, South Africa. The lake is hypertrophic, experiences perenially dense populations of cyanobacteria (Microcystis), invasive bulrush and reed encroachment, and has a thick benthic layer of... -
AN HOLISTIC APPROACH TO THE MANAGEMENT OF WATER QUALITY IN FALSE BAY, CAPE TOWN, SOUTH AFRICA
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: A. J.R. Quick --- Town Planning Branch, Cape Town City Council, South AfricaAn overview of the water quality status of False Bay identified the bacterial/viral water quality of stormwater and rivers discharging near contact recreation beaches to be the management concern of highest priority. A second water quality concern is the potential... -
CHANGES IN URBAN RESIDENTIAL LAND IN THE RIETSPRUIT CATCHMENT, SOUTHERN TRANSVAAL
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: M.J. Silberbauer --- Department of Water Affairs, South Africa J. Moolman --- Department of Water Affairs, South AfricaInformal settlements have become an important and rapidly-expanding component of urban development in South Africa. In the Rietspruit catchment, south-west of Johannesburg, average growth rates in urban land cover of up to 2.7 km2 per year (1972–1991) were measured from... -
COASTAL AQUATIC ECOSYSTEMS, CONSERVATION AND MANAGEMENT STRATEGIES IN NIGERIA
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: E.A. Ajao --- , NigeriaThe coastal ecosystems in Nigeria are classified into four broad regions according to differences in general morphology, vegetation and beach type. They are the barrier lagoon complex, the transgressive mud beach, the Niger delta and the strand coast. The delta... -
THE USE OF TOXICITY TESTING IN EFFLUENT REGULATION AND CONTROL: A NEW DIMENSION TO ASSESSMENT AND MANAGEMENT OF WATER QUALITY IN SOUTH AFRICA
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: D.J. Roux --- , South AfricaEfficient management tools are continually required to cope with increasing demands placed on the quality and quantity of aquatic resources. Recent developments in environmental monitoring indicate the importance of incorporating biological indicators in assessment programmes. Aquatic toxicology has consequently become... -
COMPOSITION, ABUNDANCE AND SEASONALITY OF LARVAL FISH IN RICHARDS BAY HARBOUR, KWAZULU-NATAL, SOUTH AFRICA
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: S. A. Harris --- , , South Africa D. P. Cyrus --- , , South AfricaThe present study examined the composition, abundance and seasonality of fish larvae occurring in Richards Bay Harbour, over an 18-month period from June 1991 to November 1992. Ichthyoplankton samples were collected every six weeks at top, mid and bottom depths... -
MANAGING THE ST. LUCIA ESTUARY—MESSAGES FROM THE MUD
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: R. K. Owen --- , , South Africa A. T. Forbes --- , , South AfricaThe infaunal macrobenthic community of the St Lucia estuary has been exposed to natural disturbance in the form of salinity fluctuations arising from floods and hypersaline conditions, and human-induced interference arising from dredging and beam trawling. The responses of the... -
VARIABILITY IN THE INVERTEBRATE FAUNA OF AN INTERMITTENT STREAM OVER THREE CONSECUTIVE MIDSUMMER PERIODS
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: M. C. Uys --- , South Africa J. H. O'Keeffe --- , South AfricaNon-perennial rivers in semi-arid regions are exposed to unpredictable and highly variable rainfall and hydrology which can have considerable effects on faunal organisation at different scales. Spatial and temporal dynamics in the aquatic invertebrate fauna of an aseasonal intermittent river... -
MANAGEMENT, CONSERVATION AND RESEARCH OF INTERNATIONALLY SHARED WATERCOURSES IN SOUTIIERN AFRICA—NAMIBIAN EXPERIENCE WITH THE OKAVANGO RIVER AND RIVERS OF THE EASTERN CAPRIVI
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: E. D. Taylor --- , England S. Bethune --- , NamibiaAlthough the emphasis of the recent National Rivers Research Initiative (now the Research Programme for the Management of Rivers) in South Africa was on river research in that country, the reality is that in southern Africa many watercourses are shared... -
GENETIC VARIATION IN TWO POPULATIONS OF THE ORANGE ROUGHY (HOPLOSTETHUS ATLANTIC US) FROM NAMIBIA
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: N. S. Flint --- , , South Africa F. H. van der Bank --- , , South Africa P. J. Theron --- , , South Africa A. Staby --- , NamibiaThe orange roughy (Hoplostethus atlanticus) is a relatively new commercially exploited fish species, but it is currently ranked third amongst the world's top five seafood products. Gene products of 22 protein coding loci in two populations off the coast of... -
Mixed livestock grazing in diverse temperate and semi-arid environments
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: T. Nolan J. Connolly C. Sall J. CesarThe need for an annual increase of 2% in global food production demands knowledge on how best to use natural grazing land resources. Taken with the requirement to protect resources, this need creates conflicting demands on grazing land management. Concerns... -
The economic implications of bush encroachment on livestock farming in rangelands of Uganda
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: S.K. Mugasi E.N. Sabiiti B.M. TayebwaThe objective of this study was to assess the economic implications of shrub encroachment on pastoral rangeland productivity in Mbarara district, in south western Uganda. Sixty pastoral households were surveyed, thirty of which were grazing on cleared farms (with less... -
Effect of long-term exclusion of fire and herbivory on the soils and vegetation of sour grassland
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: L.W. Titshall T.G. O'Connor C.D. MorrisThe effect of long-term exclusion of fire and herbivory, as mediated by aspect, on soils and the structure, composition, and diversity of vegetation was investigated in Döhne Sourveld (34 years), Piet-Retief Sourveld (45 years) and Southern Tall Grassveld (49 years)... -
Seasonal influence on diet selection of sheep grazing a weedy dryland lucerne pasture
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: T.S. Brand F. Franck J. CoetzeeThe experiment was conducted to determine the seasonal effects on the availability, chemical composition and digestibility of a grazing dry-land lucerne pasture, as measured on samples either collected by hand or with oesophageally fistulated (OF) sheep. The pasture was monitored... -
Grazing behaviour and diet selection of Barotse cattle on a communally grazed floodplain in west Zambia
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: RMT Baars JJ OttensGrazing behaviour and diet selection of cattle were studied on a communally grazed floodplain and its adjacent wooded uplands in western Zambia to identify the interaction between basic herd management practices, foraging behaviour and body condition of cattle. On average,... -
The effect of different fire treatments on the population structure and density of the Marula, Sclerocarya birrea (A. Rich.) subsp. caffra (Sond.) kokwaro (Kokwaro & Gillet 1980) in the Kruger National Park
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: OS Jacobs R BiggsTo determine the influence of frequency and season of burn on the growth structure and density of Sclerocarya birrea, six replicated fire treatments of the experimental burning plot trial were surveyed in the Sclerocarya birrea / Acacia nigrescens savanna of... -
Seasonal herbage production from two range types in southern Mozambique
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: JP Muir A AlageEstimating ideal stocking rates in southern Mozambique based on range productivity is difficult since forage and foggage production of range types receiving different amounts of rainfall have not been quantified to date. Exclosures were constructed in upland and alluvial range... -
Use of the dry-weight-rank method of botanical analysis in semi-arid savanna communities
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: B Dekker KP Kirkman SI du PlessisWhen used in combination with the double sampling (or comparative yield) method of yield estimation, the dry-weight-rank method of botanical analysis provides a rapid non-destructive means of estimating botanical composition. The composition is expressed in terms of the contribution of... -
What does the new century offer range science in southern Africa?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: PJK ZachariasRange Science, as a developing discipline in southern Africa, is reviewed over its 60 years of formal existence. The context of the African political and socia-economic environment is used as a background to examine the impact that range science has... -
Production and decomposition of plant litter in an arid rangeland of Kenya
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: WN Ekaya JI KinyamarioData on litter production and decomposition in an arid rangeland in Kenya was collected over a two-year period. Utter sampling was carried out at monthly intervals using a rectangular 0.25m−2 quadrat frame. Utter within the quadrats was handpicked and washed... -
Seasonal variation in forage quality and mimosine contents of two varieties of Leucaena leucocephala
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AA Akingbade IV Nsahlai CD MorrisSeasonal variation in forage quality and mimosine contents of two varieties (cultivars Cunningham and Spectra) of Leucaena leucocepha/a were evaluated. Cultivar (cv.) Cunningham was available throughout summer, autumn, winter and spring seasons while cv. Spectra was available during summer, winter... -
Estimated spatial requirements of the medium- to large-sized mammals, according to broad habitat units, in the Cape Floristic Region, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AF Boshoff GIH Kerley RM CowlingConservation planning in the Cape Floristic Region (CFR) of South Africa, a recognised world plant diversity hotspot, required information on the estimated spatial requirements of selected medium- to large-sized mammals within each of 102 Broad Habitat Units (BHUs) delineated according... -
Spatial and temporal variation in a mesic savanna fire regime: responses to variation in annual rainfall
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: DA Balfour OE HowisonThis paper analyses the fire regime over 41 years (1956 to 1996) in Hluhluwe-Umfolozi Park, a mesic savanna area in South Africa. The study focuses at the landscape scale of tens of kilometres and at the medium term temporal scale... -
The influence of various types and frequencies of rest on the production and condition of sourveld grazed by sheep or cattle. 1. Proportional species composition
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: KP KirkmanData collected between 1992/93 and 1996/97 from a long-term grazing trial were used to investigate the interaction between grazing animals and veld grass. Comparisons were made, firstly between the impacts of sheep and cattle grazing, and secondly between various types... -
The influence of various types and frequencies of rest on the production and condition of sourveld grazed by sheep or cattle. 2. Vigour
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: KP KirkmanTreatments involving a full growing season rest in alternate years, half a growing season rest (late season) in alternate years and no rest were applied to veld grazed by sheep or cattle at similar stocking rates. Residual effects of the... -
Effect of plant height at cutting, source and level of fertiliser on yield and nutritional quality of Napier grass (Pennisetum purpureum (L.) Schumach.)
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: T Zewdu RMT Baars A YamiNapier grass (Pennisetum purpureum (L.) Schumach.) was studied using a 5 x 3 factorial experiment arranged in a randomised complete block design with three replications. The treatments were five fertiliser applications (0kg ha-1 N, 46kg ha-1 N and 92kg ha-1... -
Impact of water stress on growth reserves and re-growth of Themeda triandra (Forssk) following defoliation
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: I B Oosthuizen H A SnymanThe influence of water stress and defoliation on the concentration of total non-structural carbohydrates (TNCC) and water-soluble protein (WSPC) as growth reserves after defoliation were determined in the indigenous C4 semi-arid grass species Themeda triandra during three growth stages (vegetative,... -
Effects of sowing rate on growth and protein contents of wall barley (Hordeum murinum L.) grown under Mediterranean conditions
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: M K J El-Shatnawi M Turk H M SaoubAccurate control of the seeding rate favours the establishment of a high-quality stand. Improper seeding rates waste seed and reduce potential yield. Our objective for this research is to determine the proper sowing rate for wall barley (Hordeum murinum L.)... -
Effect of Acacia tortilis pods on intake, digestibility and nutritive quality of goat diets in southwestern Eritrea
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: MengistuR Araya RobinsonK Ngugi NashonK R Musimba DicksonM NyarikiFresh Acacia tortilis pods were mixed with low quality native grass hay to form the following five rations: 100% hay (T1), 25% pods and 75% hay (T2), 50% pods and 50% hay (T3), 75% pods and 25% hay (T4) and... -
Status of range and forage research in Mozambique
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: InácioC Maposse JamesP Muir AlbertinaA AlageDomestic ruminant production in Mozambique is limited by a long dry season and lack of a well-defined breeding season to match forage supply. To date, research on pasture and forages has concentrated mainly on range vegetation mapping, forage adaptation and... -
Mineral assessment in Atriplex halimus L. and Atriplex nummularia L. in the arid region of Jordan
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: MM Abu-Zanat FM Al-Hassanat M Alawi GB RuyleThe foliage of Atriplex halimus contained higher levels (P < 0.05) of ash (28.03%) than that of Atriplex nummularia (23.11%). Spring growth of the two saltbushes contained less ash than the fall regrowth. The foliage of A. halimus contained higher... -
Ecological effects of fire-breaks in the montane grasslands of the southern Drakensberg, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: TG O'Connor RG Uys AJ MillsFire-breaks, by legislation, are burnt annually before mid-winter in the southern Drakensberg, affecting 5–10% of the landscape, and resulting in marked selection for the early season flush by both livestock and wildlife. This study investigated whether this severe defoliation regime... -
Seasonal botanical and chemical composition of sheep and goat diets on a common range in eastern Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: RobinsonK Ngugi JosephN Ndung'u DicksonM Nyariki NashonKR MusimbaThe botanical and chemical composition, intake and digestibility of local sheep (Ovis aries) and goat (Capra hirtus) diets were evaluated over the wet (growing) and dry (dormant) seasons. Diet botanical composition was related to the vegetation composition on the range... -
Why communal pastoralists do what they do in the Richtersveld National Park
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: HH Hendricks JJ Midgley WJ Bond PA NovellieA better understanding of the socio-economic profile of pastoralists, their farming objectives and the motives underlying herd management practices in the Richtersveld were explored. Livestock were not the only source of income for pastoral households. Livestock farming was a post-retirement... -
Monitoring in a complex world — seeking slow variables, a scaled focus, and speedier learning
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: T.J.P. Lynam M. Stafford SmithRecent developments from complex systems theorists provide new insights into our understanding and, hence, monitoring of rangelands. Designing monitoring systems around the slow variables should lead to the generation of information that could greatly improve decision making in an adaptive... -
Monitoring to detect change on rangelands: physical, social and economic/policy drivers
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J.R. Brown K.M. HavstadAgents that can cause important changes in properties of biological communities are referred to as drivers. Drivers may be classed as physical, social and economic/policy, referring to their origin and mode of action. Physical drivers include environmental (weather, climate) and... -
The challenge of integrated rangeland monitoring: synthesis address
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: David WesternThe need to balance biodiversity conservation with sustainable development, though widely agreed upon, is elusive in practice. Human societies are increasingly disconnected from the ecosystems which support them. The loosening connection and growing scientific acceptance that ecosystems are complex, dynamic,... -
Analysis of factors affecting milk yield of Ankole cows grazed on natural range pastures in Uganda
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: S Okello EN Sabiiti HJ SchwartzEffects of seasonal rainfall (RF) and maximum temperature (Tm) variations on milk yield of Ankole cows grazed solely on range pastures were investigated. The resulting changes in herbage growth (HG), herbage yields (HY), herbage crude protein (CPh) and neutral detergent... -
Tackling 'the most avoided issue': communal rangeland management in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: MI PedenDemocratisation in 1994 resulted in a shift in state focus from white commercial farmers to small-scale and subsistence black farmers living in communal areas in South Africa. The LandCare Program of the National Department of Agriculture aimed to improve productivity... -
The extent of grass species composition in Braklaagte, Zeerust District, North-West Province, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: PW Malan S Van NiekerkGrassland retrogression in tribal areas is evident. Long-term overgrazing by livestock plays an important role in grassland retrogression. Palatable species are the first to disappear and are then followed by the non-palatable species. Mismanagement and the incorrect grazing strategies by... -
Using faecal profiling to assess the effects of different management types on diet quality in semi-arid savanna
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: KR Mbatha D WardWe used faecal profiling to assess diet quality of animals under three different management types in a semi-arid savanna, northwest of Kimberley, Northern Cape, South Africa. The levels of faecal crude protein (FCP) and faecal phosphorus (FP) of free-ranging springbok... -
Traditional knowledge transfer of activities practised by Zulu women to manage medicinal and food plant gardens
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AM Zobolo QN MkabelaA survey of plants grown in home gardens was conducted through questionnaires among 80 homesteads in rural areas of northern KwaZulu-Natal in South Africa. The areas surveyed were located at Mbonambi, Kwadlangezwa, Ntambanana and Eshowe. Elderly women (≥ 55 years)... -
Determining spatial and temporal variability in quantity and quality of vegetation for estimating the predictable sustainable stocking rate in the semi-arid savanna
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: KR Mbatha D WardThis study assessed the importance of spatial and temporal variation in plant quality and quantity for determining sustainable stocking rates in game, commercial and communal ranches in semi-arid savanna of the Northern Cape Province, South Africa, in wet and dry... -
Voluntary intake, nitrogen metabolism and rumen fermentation patterns in sheep given cowpea, silverleaf desmodium and fine-stem stylo legume hays as supplementary feeds to natural pasture hay
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: JJ Baloyi NT Ngongoni H HamudikuwandaThe effect of feeding legumes as protein supplements to veld hay on voluntary feed intake, nitrogen metabolism and rumen fermentation patterns was evaluated. Four sheep were randomly allocated to the four dietary treatments of either veld hay alone or veld... -
Proanthocyanadin (condensed tannin) content of Brachystegia spiciformis browse harvested at different stages of growth from three sites in Zimbabwe
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: JJ Baloyi T Acamovic NT Ngongoni H HamudikuwandaThe extractable and insoluble (bound to protein or neutral detergent fibre [NDF] proanthocyanadin (PA) of the tree species Brachystegia spiciformis (Musasa) harvested at different stages of growth from three sites with different soil types in Zimbabwe was analysed by the... -
Influence of undersowing perennial forages in maize on grain, fodder yield and soil properties in the sub-humid region of western Ethiopia
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: A Hassen L Gizachew NFG Rethman WA van NiekerkIn the densely populated mixed farming areas of western Ethiopia, the integration of forages with food crops may be crucial to the achievement of sustainable crop and livestock production. This study investigated the effects of pure grass (Chloris gayana), legumes... -
Variation in nutritional composition and growth performance of some halophytic species grown under saline conditions
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: MY AshrafStudies were conducted at the Biosaline Research Station-II of the Nuclear Institute for Agriculture and Biology (NIAB), Faisalabad, Pakistan to evaluate biomass production and nutritive value of some salt-tolerant grasses and bushes, i.e. Leptochloa fusca, Sporobolus arabicus (Poaceae), Suaeda fruticosa,... -
Effects of herbivore exclosures on variation in quality and quantity of plants among management and habitat types in a semiarid savanna
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: KR Mbatha --- Department of Conservation Ecology, South Africa D Ward --- School of Biological and Conservation Sciences, South AfricaThe effects of grazing on plant biomass, plant quality, species evenness, species diversity and species composition were determined among management types (communal, commercial and game) and among habitat types (open savanna, rocky and pan) in a semiarid savanna in South... -
New Sudangrass forage cultivars selected from the original population (Sorghum bicolor ‘Garawi’, syn. S. sudanense)
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: MaaroufI Mohammed --- Forage Research Program, SudanThe study represents the first efforts since 1909 to develop improved Sudangrass (Sorghum bicolor (L.) Moench, syn. S. sudanense (Piper) Stapf) cultivars from the original genetic stock existing in the Sudan. Seven Sudangrass genotypes generated by individual plant selection within... -
Establishment and early persistence of ten forage legumes under three grazing regimes in southern Mozambique
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J.P. Muir --- , MozambiqueLeucaena leucocephala, Clitoria ternatea, Macroptilium atropurpureum cv. Siratro, Cassia rotundifolia cv. Wynn, Macrotyloma axillare cv. Archer, Stylosanthes guianensis var. guianensis cv. Graham, S. guianensis var. intermedia cv. Oxley, S. hamata cv. Verano and 5. scabra cv. Fitzroy and cv. Seca... -
Centrosema pubescens (centro) and Manihot esculenta (cassava) intercropping: The effect of spacing and time of planting centro on seed yield
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: P. Lusembo --- , Uganda E.N. Sabiiti --- Department of Crop Science, Uganda J.S. Mugerwa --- Department of Crop Science, UgandaStudies were carried out to determine the effect of time of inter‐planting centro (Centrosema pubescens) with cassava (Manihot esculenta Crantz), at various spacings, on the seed yield components of centro. Apart from the seed yield itself, time of planting centro... -
Influence of nitrogen fertilisation on forage and animal production of a continuously grazed irrigated grass/clover pasture in the Rûens area of the southern Cape
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J.M. van Heerden --- Department of Agricultural Development, Republic of South Africa W. Durand --- Department of Agricultural Development, Republic of South AfricaThe production of an irrigated grass/clover pasture was evaluated under continuous grazing at a range of stocking rates (20.6 to 35.9 Merino ewe units ha‐1 and two nitrogen fertiliser treatments (0 and 300 kg N ha‐1 a‐1) over a period... -
Implications of changes to the transhumance system for conservation of the mountain catchments in eastern Lesotho
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: T. Quinlan --- Institute for Social and Economic Research, Republic of South Africa C.D. Morris --- Agricultural Research Council, Republic of South AfricaThe mountain catchments above 2 750 m a.s.l. in eastern Lesotho are a proclaimed Managed Resource Area (MRA) as a result of official concern about degradation of the grasslands of the alpine belt, and of recent parastatal interventions in the... -
Evapotranspiration, water‐use efficiency and quality of six dryland planted pasture species and natural vegetation, in a semi‐arid rangeland1
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: H.A. Snyman --- Department of Grassland Science, Republic of South AfricaHydraulic, non‐floating lysimeters were used to determine evapotranspiration (Et) and water‐use efficiency (WUE) of several dryland planted pasture species over a period of three years. The species were Anthephora pubescens, Cenchrus ciliaris, Chloris gayana, Digitaria eriantha subsp. eriantha, Eragrosiis curvula... -
An evaluation of dryland legume and legume‐grass pastures based on lucerne and red clover, with sheep, using a put‐and‐take system in the outeniqua area of the Southern Cape
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J.M. van Heerden --- Department of Agriculture, Republic of South Africa P.R. Botha --- Department of Agriculture, Republic of South AfricaThe production of a pure lucerne (Medicago sativa) pasture, two lucerne‐grass pastures and two red clover (Trifolium pratense)‐grass pastures was compared at two grazing pressures (3.5 and 4.0 kg DM per small stock unit d‐1) in the Outeniqua area, using... -
Effects of plant density on forage production in five populations of kleingrass
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: B.A. Young --- USDA‐ARS, United States C.R. Tischler --- USDA‐ARS, United StatesKleingrass (Panicum coloratum L.) forage yield evaluation plots are often established at a density of 6.0 plants m‐2 to accommodate mechanical transplanting and harvesting equipment. However, forage crops are usually established from seed at higher plant densities. Experiments were conducted... -
The distribution of sweetveld and sourveld in South Africa's grassland biome in relation to environmental factors
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: W.N. Ellery --- Department of Geographical and Environmental Sciences, Republic of South Africa R.J. Scholes --- CSIR, Republic of South Africa M.C. Scholes --- Centre for African Ecology, Department of Botany, Republic of South AfricaThe distribution of sweet‐ and sourveld in relation to climate, parent material and soil nutrients has been examined in South Africa's grassland biome. Sourveld occurs in areas with high water supply and where parent material gives rise to soils with... -
Agronomic evaluation of herbaceous legumes in a subhumid zone of Uganda
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: P. Lusembo --- , Uganda M.A. Mohamed‐Saleem --- , Ethiopia T. Abate --- , Ethiopia E.N. Sabiiti --- Department of Crop Science, UgandaSixteen promising forage legume accessions (15 species) were selected from small plot observation trials for agronomic evaluation over three years in a subhumid zone of Uganda. Macrotyloma axillare (Archer) significantly out yielded all other accessions in terms of annual dry... -
The influence of stocking rate, range condition and rainfall on residual herbage mass in the semiarid savanna of KwaZulu/Natal
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: G.P. Hatch --- Department of Grassland Science, Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaGrazing trials at two sites in the semiarid savanna of KwaZulu‐Natal were stocked with cattle at light (0.17 LSU ha‐1), intermediate (0.23 LSU ha‐1) and heavy (0.30 LSU ha‐1) stocking. Pasture disc meter data collected over 116 three‐week periods were... -
Chemical composition and in vitro dry matter digestibility of various utilization forms of grain sorghum residues
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: L.D. Snyman --- , Republic of South Africa H.W. Joubert --- , Republic of South AfricaThe chemical composition and in vitro dry matter digestibility (IVDMD) of various utilization forms of grain sorghum residues were investigated. Two grain sorghum cultivars, SNK 3640 (bitter tasting) and Pioneer 8564 (sweet tasting), were used. Each taste type was grown... -
Perspective: Towards improved grazing management recommendations for sourveld
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: K.P. Kirkman --- , Republic of South Africa A. Moore --- , Republic of South AfricaCritical evaluation of grazing management recommendations for sourveld revealed scientific, economic and practical deficiencies. These recommendations are seldom adopted. Recent scientific evidence has facilitated the adoption of certain principles in new practical, economically viable recommendations aimed at maintaining or improving... -
Effect of grazing frequency and intensity on Lolium perenne L. pastures under subtropical conditions: Herbage quality
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: F.R. Mckenzie --- Department of Grassland Science, Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaThe cellulase dry matter disappearance (CDMD) and herbage nitrogen (N) of Lolium perenne (perennial ryegrass) were evaluated for pastures grown under subtropical conditions for two years, under five combinations of grazing frequency and intensity, each applied in a rotational grazing... -
AU Triumph, Johnstone and Kentucky 31 tall fescue pastures versus maize silage in diets for lactating dairy cattle
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J.F. Kabiligi --- , Rwanda B.R. Moss --- Department of Animal and Dairy Sciences, United States of America D.I. Bransby --- Agronomy Dept., United States of America J.L. Holliman --- , United States of America J.C. Lin --- Department of Animal and Dairy Sciences, United States of AmericaThe performance of lactating dairy cattle fed on a maize silage (S) dry‐lot scheme was compared with that of lactating dairy cattle switched abruptly from a dry‐lot regime to graze endophyte‐free Johnstone (J), Kentucky 31 (K), or AU Triumph (T)... -
Research note: Calibrating a disc pasture meter to estimate grass fuel loads on the Zululand coastal plain
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: B.H. Brockett --- , Republic of South AfricaA disc meter was calibrated to estimate fuel load on the Zululand coastal plain. The regression model was valid for fuel load estimates within a disc height of 1–58 cm. The mean calibrated disc height was 11.8 cm. Estimated fuel... -
Plant and sward response to patch grazing in the Highland Sourveld
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: B.U. Lütge --- Department of Grassland Science, Republic of South Africa M.B. Hardy --- KwaZulu‐Natal Department of Agriculture, Republic of South Africa G.P. Hatch --- Department of Grassland Science, Republic of South AfricaSelective grazing by livestock inevitably results in patch grazing. This study was initiated to determine the effects of patch grazing on (1) the vigour of a single grass species, Themeda triandra, and of the sward, and (2) sward species composition... -
Predicting animal production on sourveld: A species‐based approach
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: P.J. O'Reagain --- , Republic of South AfricaA simulation model was developed to predict average daily gain (ADG) in cattle and sheep grazing different species and swards of different species composition on Dohne Sourveld. The model was based upon measured ingestive and digestive characteristics of different grass... -
Influence of sward defoliation and soil disturbance on seedling emergence and survival in the Southern Tall Grassveld
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: K.M. Adams --- Department of Zoology, Republic of South AfricaSeedling emergence, survival and species composition were recorded on vegetation subjected to seven practicably feasible soil and defoliation treatments. Soil disturbance, with defoliation removal, produced the greatest number of emergents; these also had the best survivorship compared to other treatments... -
Factors influencing forage preference of bushbuck and boer goats for Subtropical Thicket plants
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: S.L. Haschick --- Terrestrial Ecology Research Unit, Department of Zoology, Republic of South Africa G.I.H. Kerley --- Terrestrial Ecology Research Unit, Department of Zoology, Republic of South AfricaDietary preference of bushbuck (Tragelaphus scriptus) and boer goats (Capra hircus) was determined for sixteen Subtropical Thicket plant species using cafeteria style selection trials. Principal components analysis was used to identify major axes of variation in the chemical contents of... -
Effect of maturity stage and method of preservation on the yield and quality of babala
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: L.D. Snyman --- , South Africa H.W. Joubert --- , South AfricaThe effect of maturity stage on the total yield (all harvests throughout the season) of some forage components and on the chemical composition and in vitro dry matter digestibility (IVDMD) (first harvest) of babala, was investigated. The effects of various... -
Research note: The effect of a lactic acid bacterial inoculant on the fermentation dynamics of Eragrostis curvula during ensiling
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: R. Meeske --- , Republic of South Africa H.M. Basson --- , Republic of South AfricaMaking good quality hay from Eragrostis curvula is a risky operation in many areas in South Africa due mainly to unfavourable weather conditions. Ensiling should therefore be considered as an alternative method for conserving the forage. The aim of this... -
Influence of bushdumps on the herbaceous understorey in a mesic Eastern Cape savanna
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: M. Mapuma --- Eastern Cape Department of Agriculture, Republic of South AfiicaStudies of the effects of woody vegetation on herbaceous vegetation in southern Africa have focused almost exclusively on savannas with isolated trees with no attention given to multi‐species bushclump savannas. The influence of multi‐species bushdumps on herbaceous vegetation was investigated... -
The influence of nitrogen and defoliation on production and water‐use efficiency of Lolium multiflorum cv. Midmar
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J.F. Theron --- Department of Agriculture, FSR‐E Unit, Republic of South Africa W.L.J. van Rensburg --- Department of Grassland Science, Republic of South AfricaThe objective of this study was to investigate the influence of different nitrogen fertiliser application levels in combination with different defoliation intervals on the dry matter (DM) production and water‐use efficiency of ryegrass (Lolium multiflorum,) cv. Midmar. In a field... -
Effect of clipping on wall barley (Hordeum murinum L.): Tillering and forage production
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: M.J. El‐Shatnawi --- Department of Natural Resources and the Environment, Faculty of Agriculture, Jordan H.Z. Ghosheh --- Department of Plant Production, Faculty of Agriculture, JordanThe response of wall barley (Hordeum murinum L) to clipping height at various stages of growth was investigated in the semi‐arid grassland of northeastern Jordan in the 1994/1995 and 1995/1996 growing seasons. Treatments included combinations of clipping heights (5 or... -
Detecting the onset of rangeland degradation using soil respiration and boundary lines: preliminary findings from the Nama Karoo
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: A Mills --- Department of Soil Science, South Africa M Fey --- School of Earth and Environment, Australia B Kgope --- , South Africa J Donaldson --- , South Africa J de W Bosenberg --- , South AfricaMean annual soil respiration correlates with net primary productivity and therefore provides an indication of ecosystem functioning. Soil respiration, however, varies considerably in space and time owing to the influence of factors such as soil nutrient content, temperature and water... -
Impact of Prosopis (mesquite) invasion and clearing on the grazing capacity of semiarid Nama Karoo rangeland, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: T Ndhlovu --- Department of Conservation Ecology and Entomology, South Africa SJ Milton-Dean --- DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, South Africa KJ Esler --- Department of Conservation Ecology and Entomology, South AfricaWe assessed the impact of Prosopis invasion and clearing on the grazing capacity of heavily grazed Nama Karoo rangeland in the Beaufort West district of the Western Cape province of South Africa. Invasion (c. 15% Prosopis canopy cover) reduced grazing... -
Challenges and opportunities in the use of remote sensing for C3 and C4 grass species discrimination and mapping
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: C Adjorlolo --- School of Agriculture, Earth and Environmental Sciences, South Africa O Mutanga --- School of Agriculture, Earth and Environmental Sciences, South Africa MA Cho --- School of Agriculture, Earth and Environmental Sciences, South Africa R Ismail --- School of Agriculture, Earth and Environmental Sciences, South AfricaChanges in the composition of plant functional type (PFT) activities are expected to accompany a changing climate. In tropical montane grasslands, such changes are predicted to follow shifts in the percentage cover and abundance of species following the C3 and... -
Veld fire reporting and mapping techniques in the Kruger National Park, South Africa, from 1941 to 2011
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: N Govender --- , South Africa O Mutanga --- Department of Geography, South Africa D Ntsala --- , South AfricaFire has long been regarded as a major determinant of ecosystem structure and function within African savannas. Improvements in fire detection, mapping and recordings of fire activity over the past few years have made it possible to provide more reliable... -
Livestock and the rangeland commons in South Africa's land and agrarian reform
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ruth Hall --- Institute for Poverty, Land and Agrarian Studies, South Africa Ben Cousins --- Institute for Poverty, Land and Agrarian Studies, South AfricaLand and agrarian reform has the potential to expand South Africa's rangeland commons and enhance their contribution to the livelihoods of the rural poor, yet to a large extent this has been an opportunity missed. Shifting policy agendas have prioritised... -
Institutions and governance of communal rangelands in South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: JamesE Bennett --- Department of Geography, Environment and Disaster Management and Centre for Agroecology and Food Security, UKThe creation of local institutions with a mandate over land access and control is seen as a prerequisite for successful decentralisation of land tenure and effective local resource management in sub-Saharan Africa. However, with land tenure reform in South Africa... -
How could herd mobility be used to manage resources and livestock grazing in semi-arid rangeland commons?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Igshaan Samuels --- Agricultural Research Council–Animal Production Institute, c/o Botany and Conservation Biology Department, South Africa Nicky Allsopp --- , South Africa M Timm Hoffman --- Plant Conservation Unit, Department of Biological Sciences, South AfricaPastoralists in Namaqualand, South Africa, use herd mobility to manage livestock and rangeland resources. However, their socioeconomic conditions and ecological landscapes are changing and we explore the options that are available for pastoralists to respond to these changes. This paper... -
Municipal commonage in South Africa: a critique of artificial dichotomies in policy debates on agriculture
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Doreen Atkinson --- Centre for Development Support, South AfricaThe paper critiques Vetter's (in this issue) assertion that commercialisation of smallholder agriculture holds dangers for sustainable rangeland management. The paper argues that a range of policy options are required, including commercialisation and subsistence farming, large-scale and smallholder farming, a... -
The effects of a deferred grazing system on rangeland vegetation in a north-western, semi-arid region of Tanzania
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ismail S Selemani --- Department of Animal and Aquacultural Sciences, Norway Lars O Eik --- Department of International Environment and Development Studies (Noragric), Norway Øystein Holand --- Department of Animal and Aquacultural Sciences, Norway Tormod Ådnøy --- Department of Animal and Aquacultural Sciences, Norway Ephraim Mtengeti --- Department of Animal Science and Production, Tanzania Daniel Mushi --- Department of Animal Science and Production, TanzaniaThe present study assessed the effects of deferred grazing management on rangeland condition using aboveground biomass, vegetation cover and species composition as indicators of range condition. The experiment was based on traditionally conserved exclosures (ngitili). Data were collected in Shinyanga... -
Identifying key grazing indicators to monitor trends in the veld condition of Lambert's Bay Strandveld, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Nelmarie Saayman --- Directorate: Plant Science, South Africa Craig Morris --- Agricultural Research Council–Animal Production Institute, South Africa Hannes Botha --- Directorate: Plant Science, South AfricaCurrently, the methods used to assess the veld condition of the Lambert's Bay Strandveld along the West Coast of South Africa require that the operator knows all the plants encountered in the survey area. In this study data were collected... -
The influence of rest period during the growing season on the potential of four perennial tropical grass species as foggage
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: P.C. le Roux C.S. DannhauserThe foggage acceptability of Digitaria eriantha Steud., Anthephora pubescens, Panicum maximum (cultivar Green panic) and Cenchrus ciliaris (cultivar Gayndah), subjected to three different treatments during the growing season, were evaluated during three seasons (1987/1988, 1988/1989 and 1989/1990). Treatments comprised of... -
The influence of sowing rate on the production and growth of wild oat (Avena fatua) in the depleted semi-arid rangelands of Jordan
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: M.K.J. El-Shatnawi H.Z. GhoshehThe objective of this work was to determine the proper sowing rate of wild oat (Avena fatua) in the depleted north-eastern semi-arid grasslands of Jordan. Wild oat seeding rates of 15, 30, 45 and 60 kg ha−l were evaluated in... -
Forecasting volume and economic gains from intensive plantation management using different response curves
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: DavidB. South CurtisL. VanderSchaaf LarryD. TeeterProponents of intensive plantation management do not all use the same type of response curves when predicting future volume gains. As a result, some believe that continuously increasing the intensity of management will increase landowner profits and reduce the unit... -
Root volume and raising period affect field performance of Pinus patula cuttings in South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: R. G. Mitchell J. Zwolinski N. B. Jones A. D. BayleyThe propagation of pines through cuttings has become a commercial means of rapidly multiplying improved genetic material for operational use in forestry companies. Cuttings of pines are produced entirely in containers in South Africa. Containers, however, can negatively affect plant... -
Effects of storage conditions on chlorophyll content in diploid black wattle (Acacia mearnsii)
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: S. Mathura S. L. Beck A. FosseyBlack wattle (Acacia mearnsii de Wild) is a commercially important forestry species in South Africa, however, being an exotic it is also seen as an invader of indigenous vegetation. Research into producing a sterile variety is underway and one such... -
Towards reduced herbicide use in forest vegetation management
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: K.M. Little I. Willoughby R.G. Wagner P. Adams H. Frochot J. Gava S. Gous R.A. Lautenschlager G. örlander K.V. Sankaran R.P. WeiMechanical, manual, thermal, biological and chemical methods of managing forest vegetation have, to a large extent, been developed independently. The effectiveness and relatively low cost of chemical herbicides, however, have led to systems of vegetation management that rely on their... -
Clonal propagation and storage of subtropical pines in Queensland, Australia
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: S.J. TruemanClonal forestry is the approach used for deployment of Pinus elliottii × P. caribaea hybrids in Queensland, Australia. Clonal forestry relies on the ability to maintain juvenility of stock plants while selections are made in field tests, so that genetic... -
Towards an Information System for Forestry
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Christoph Kätsch --- Department of Forest Science, BrianV. Bredenkamp --- Department of Forest Science,Management of information as a production factor is imperative in modern forestry practice. However, development of individual application programmes has resulted in systems which cannot be integrated without excessive effort and expense. It is shown that the route to an... -
Optimising Nursery Operation Schedules with Multiperiod Linear Programming
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: RudolfJanse van Rensburg --- Department of Forest Science, South Africa BrianV. Bredenkamp --- Department of Forest Science, South AfricaA dynamic multiperiod linear programming model which addresses nursery scheduling is presented. Due to its dynamic nature, it provides a means to manage risks and uncertainties such as disease, rootstrike, germination and fluctuating demands. By optimising the whole production process,... -
Long-Term Antelope Population Monitoring in Southern Cape Forests
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Armin H.W. Seydack --- Department of Water Affairs and Forestry, Republic of South Africa Johan Huisamen --- Department of Water Affairs and Forestry, Republic of South Africa Rynhard Kok --- Department of Water Affairs and Forestry, Republic of South AfricaThe results of population monitoring of two forest antelope species in the Knysna forests (South Africa), the bushbuck (Tragelaphus scriptus) and blue duiker (Philantomba monticola) are presented. Most monitoring was done by faecal pellet group counting, but some track counts,... -
Remote sensing from space—present and future applications in forestry, nature conservation and landscape management
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Christoph Kätsch --- Faculty of Forestry, Fachhochschule Hildesheim/Holzminden, Germany Holger Vogt --- Dipl. Forstwirt Holger Vogt, Faculty of Forestry, South AfricaPast studies have suggested that sound knowledge about the reflectance characteristics of objects could be of great value in understanding the physical, chemical, and the spatial properties of features on our planet. These characteristics can be assessed remotely, and the... -
Temperament Styles of Nigerian and U.S. Children
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Thomas Oakland --- University of Florida, Andrew Mogaji --- University of Lagos, Jack Dempsey --- University of Florida,Temperament styles of 400 Nigerian children are described in reference to possible gender and age differences and compared with those of 3200 U.S. children in light of Jung's theory of temperament as modified by Myers and Briggs, one that highlights... -
Responsible Alcoholic Beverages Sales and Services Training Intervention in Cape Town: A Pilot Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- Human Sciences Research Council & University of Limpopo, Shandir Ramlagan --- Human Sciences Research Council, Louis Gliksman --- Center for Addiction & Mental Health,The aim of this study was to pilot a responsible beverage service intervention in order to reduce alcohol-impaired road use. The sample included 20 shebeens including 10 licensed and 10 unlicensed establishments chosen from a list of alcohol serving establishments... -
Broadening Mental Health Services to Disadvantaged Communities in South Africa: Reflections on Establishing a Community Based Internship
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sherine van Wyk --- Psychology Department, South Africa Anthony V. Naidoo --- Psychology Department, South AfricaThe need to provide mental health services in disadvantaged communities remains a priority in South Africa. This paper illustrates how in consultation and partnership with the peri-urban community of Jamestown, a counselling psychology internship was established to provide a range... -
Promoting Inter-Relational Reflexivity with Psychosocial Workers in Community Work: A Case Study from Burundi
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yvonne Sliep --- School of Psychology, University of the University of KwaZulu-Natal, South Africa Andrew Gilbert --- Govan Mbeki Research and Development Centre, South AfricaWe explore the practice of creating reflexive spaces within community work with psychosocial workers living in Burundi and the Democratic Republic of the Congo. A central idea is inter-relational reflexivity—reflexivity within relationships that leads to collective action. Theoretical ideas related... -
Relationships among Leisure, Social Self-Image, Peer Pressure and At-Risk Behaviours of Adolescents in Nigeria
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Alfred A. Adegoke --- University of Ilorin, Nigeria Christiana A. Ayoade --- University of Ilorin, NigeriaThis study investigated the relationships among leisure, social self image, peer pressure and at-risk behaviours of adolescents in Nigeria. It also examined the moderating roles of gender, age, and locale and school type on measured relationships. A total of 1,141... -
Alcohol Use in Three Different Inner Cities in South Africa: AUDIT-C and CAGE
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- Human Sciences Research Council & University of Limpopo, Leickness Simbayi --- Human Sciences Research Council, Seth Kalichman --- University of Connecticut, Sean Jooste --- Human Sciences Research Council, Allanise Cloete --- Human Sciences Research Council, Ntombizodwa Mbelle --- Human Sciences Research Council,The aim of the present study was to describe the frequency of risky drinking among a general urban population survey (n=1379) in South Africa with the help of (Alcohol Use Disorders Identification Test) AUDIT-C scores, CAGE (Cut down, Annoyed, Guilty,... -
The Relationship Between Hope And Goal Achievement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: David J.F. Maree --- University of Pretoria, Marinda Maree --- University of Pretoria, Charmaine Collins --- University of Pretoria,The aim of this study was to explore the psychological resource structure of students as assessed by the Hope Orientation Measure or HOME instrument. The aim was also to find what the relationship between this resource structure and goal achievement... -
Exploring the Reliability and Validity of the DAT-K in Grade 11 Learners in a Historically Disadvantaged School in Johannesburg, South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sumaya Laher --- University of the Witswatersrand, South Africa M. Mokone --- University of the Witswatersrand, South AfricaThis study explored the reliability and validity of the Differential Aptitude Test—Form K (DAT-K) in a sample of 75 learners (mean age = 17.1 years, SD = 1.13) from a previously disadvantaged school in Johannesburg. Adequate reliability coefficients were obtained... -
(Teen)Age is More than a Number: Generational Identity within the Context of HIV and AIDS
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shakila Reddy --- University of KwaZulu-Natal,This study explored some of the complexities through which young adults construct and represent their sexual identities within the context of HIV/AIDS. The sample comprised a total of 136 (female = 77; male = 59) Indian and African learners, who... -
Children's Loss of Agency under Extreme Adversity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bev Killian --- University of KwaZulu-Natal, Mary Van der Riet --- University of KwaZulu-Natal, Angela Hough --- University of KwaZulu-Natal, Vivien O'Neill --- University of KwaZulu-Natal, Thabisile Zondi --- University of KwaZulu-Natal,This study explores the notion of children's agency in situations of extreme adversity. The child participants (n=117) live in the midst of the HIV/AIDS pandemic; extreme poverty; and systemic educational malfunction. Four focus group interviews were conducted with the children... -
Listening to the Voices of Children in Early Schooling in the South African Context of HIV/AIDS
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kogilambal Govender --- University of KwaZulu-Natal, Hasina Banu Ebrahim --- University of KwaZulu-Natal,This study explored how children in early schooling interpreted their social reality to construct vulnerable childhoods in an HIV/AIDS context. Ten males and ten females between the ages of eight and nine years from low-income families in KwaZulu-Natal participated in... -
Management of Child Sexual Abuse Cases by Female School Heads in Zimbabwe
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Alfred Henry Makura --- University of Fort Hare, South Africa Almon Shumba --- University of Fort Hare, South AfricaThis study determined the nature, extent and causes of child sexual abuse cases and how Zimbabwean female primary school heads handle such cases in their schools. Seven female primary school heads from the southern province were interviewed. data were analysed... -
The Experiences of Rural VhaVenda Women Involved in Polygamous Marriages
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Masefako Andronica Gumani --- University of Venda, Tholene Sodi --- University of Venda,The study explored the experiences of five rural VhaVenda women involved in polygamous marriages aged between twenty seven and sixty four years. The five participants were selected through snowball sampling method from four villages in Vhembe District (Limpopo Province). Data... -
Perceived Challenges in the Self-Management of Essential Hypertension in South African Settings
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karel F.H. Botha --- North-West University, Wynand F. du Plessis --- North-West University,The study investigated the subjective experiences of Essential Hypertension (EH) in a sample of urban white Afrikaans-speaking (n=25) and black Sotho-speaking (n=25) patients. Measures of self-management were obtained and their subjective experience of EH and its self-management was explored during... -
A Cross-Cultural Exploration: Body Image in Older Black and White Women in the Workplace
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Helena Hewat --- University of Johannesburg, South Africa Marlene Arndt --- University of Johannesburg, South AfricaThis study investigated body image attitudes in a non-clinical sample of black and white older professional women in the workplace in South Africa. Participants were 125 professional women (white woman n=76 and black women n = 49). They completed the... -
Emotional Intelligence, Work, and Psychological Outcomes in a Public Service Context
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shelley-Ann Williams --- North-West University, South Africa Marié P. Wissing --- North-West University, South Africa Sebastiaan Rothmann --- North-West University, South Africa Q. Michael Temane --- North-West University, South AfricaThis study examines the role of emotional intelligence in the relationship between work context (conceptualised as job demands and job resources) and psychological outcomes (conceptualised as engagement and psychological well-being) in a sample of public sector employees (N=459). The Job... -
Management of Post-Traumatic Stress Disorder in the Military: An Intervention Model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Thamsanqua J. Dhladhla --- Stellenbosch University, South Africa Gideon A. J. van Dyk --- Stellenbosch University, South AfricaMilitary Forces are involved in combat, peacekeeping operations and disaster management. The nature of such operations include violent conflict, death of women and children, child soldiers and own forces. These traumatic circumstances can contribute to the development of post traumatic... -
Self-efficacy, Work, and Psychological Outcomes in a Public Service Context
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shelley-Ann Williams --- North-West University (Potchefstroom Campus), South Africa Marié P. Wissing --- North-West University (Potchefstroom Campus), South Africa Sebastiaan Rothmann --- North-West University (Vaal Triangle Campus), South Africa Q. Michael Temane --- North-West University (Potchefstroom Campus), South AfricaThe study examined the prediction of psychological outcomes (conceptualized as psychological well-being and engagement) by general self-efficacy (GSE) and work context (conceptualized as job demands and job resources). The role of GSE as a moderator between work context and psychological... -
Social Support, Self-image, and Future Outlook Among Poverty-stricken Unemployed Men in Namibia: A Phenomenological Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ilse E. Plattner --- Univesity of Botswana, Webster Gonzo --- National Housing Enterprise, NamibiaThe study aimed to explore how poverty-stricken job seekers in Namibia felt about their unemployment situation and how they perceived themselves, their social support, and their future. Ten men (aged 18 to 40 years) participated in the study. In-depth interviews... -
Educational Psychology Theory and the Promotion of Dental Care for Children Aged Five to Six
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marilize Kitching --- North-West University, South Africa Vera Roos --- North-West University, South Africa Alida Nienaber --- North-West University, South AfricaThe aim of this article is to illustrate the value of educational psychology theory in developing an age-appropriate programme to prevent tooth decay. A theory-based approach was adopted for the programme development, and a questionnaire was used to ascertain the... -
Marriage and Counselling in African Communities: Challenges and Counselling Approaches
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tholene Sodi --- University of the Limpopo, Mary O. Esere --- University of Ilorin, Nigeria Emmy M. Gichinga --- GEM Counseling Services, Kenya Patience Hove --- Zimbabwe Women's Faith Ministries, ZimbabweThe article explores a variety of marital counselling approaches relevant to African settings: indigenous, Western, Christian and Islamic. These approaches to marital counselling are influenced in their use by various social movements, including globalisation, women empowerment, sexual orientation and living... -
The Effect of Narrative Career Facilitation on the Personal Growth of a Disadvantaged Student—A Case Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, Liesel Ebersöhn --- University of Pretoria, Angelique Biagione-Cerone --- University of Pretoria,This article describes the effect of narrative career facilitation on the personal growth of a disadvantaged undergraduate student at a tertiary institution in South Africa. The participant was selected purposively from among a group of undergraduate students at the tertiary... -
Practitioner Guidelines for Career Counselling in Light of Cross-cultural Influences on WAIS-III IQ Test Performance
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ann B. Shuttleworth-Edwards --- Rhodes University, South AfricaThis article consists of two aspects, including: (i) The delineation of WAIS-III normative date derived from prior research conducted by the present author (Shuttleworth-Edwards et al., 2004) in respect of a black African first language sample in the age range... -
The Career Exploration of a Previously Disadvantaged Middle-Aged Woman: A Case Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Daleen Alexander --- University of the Witwatersrand, South AfricaThe case study explores the perceptions of a middle-aged, previously disadvantaged South African woman regarding her career aspirations and her promotability. A qualitative, exploratory, descriptive and contextual research design was used. Narrative inquiry was used to interview the client. The... -
Motives for Choosing a Career in Teaching: A South African Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tuntufye S. Mwamwenda --- University of KwaZulu-Natal,The study investigated motives for teaching career entry by students (n= 232, males= 103, females= 129, mean age 23) at a large South African university. Data were collected using a career motives survey differentiating extrinsic, intrinsic and altruistic motivators. Extrinsic... -
Parental Involvement in Career Development among Disadvantaged Adolescents
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Joseph Seabi --- University of the Witwatersrand, South Africa Daleen Alexander --- University of the Witwatersrand, South Africa Orepa Maite --- University of the Witwatersrand, South AfricaThe study investigated perceived parental involvement in career development amongst disadvantaged adolescents. Participants were 14 Grade 9 learners (8 boys and 6 girls: mean age =14 years) from a disadvantaged community in North-West Province in South Africa. Data were collected... -
Efficacy of a Post-modern Group Career Assessment Intervention of Disadvantaged High School Learners
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Daleen Alexander --- University of the Witwatersrand, Joseph Seabi --- University of the Witwatersrand, David Bischof --- University of the Witwatersrand,The study used a post-modern group assessment procedure to explore career perceptions of 11 Grade 11 learners (6= males; 5= females; mean age = 17 years) from disadvantaged communities. A qualitative process of thematic content analysis was used to analyse... -
Why Young Men in South Africa Plan to Become Teenage Fathers: Implications for the Development of Masculinities within Contexts of Poverty
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lynn Hendricks --- Early Learning Resource Unit, South Africa Sharlene Swartz --- Human Sciences Research Council, South Africa Arvin Bhana --- Human Sciences Research Council, South AfricaDrawing on in-depth interviews with young fathers (n=37) aged 14 to 20 in impoverished communities in South Africa, this study focuses on the young men who intentionally planned to have children while still teenagers. It interrogates their reasons for doing... -
Young Rural Males in South Africa Speak on Teenage Pregnancy: “It's Really Her Problem”
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Reshma Sathiparsad --- University of KwaZulu-Natal,The aim of this study was to explore the attitudes, beliefs and behaviours of school-going rural males in KwaZulu-Natal, South Africa on teenage pregnancy. Two methods of data collection were used, namely, a quantitative survey with a sample of 294... -
Job Demands and Resources, Psychological Conditions, Religious Coping and Work Engagement of Reformed Church Ministers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sebastiaan Rothmann --- North-West University, South Africa Chenelle Buys --- North-West University, South AfricaThis study investigated the relation between job demands and resources, psychological conditions, religious coping and work engagement of Reformed Church ministers. A cross-sectional survey design was used. Participants were 115 Reformed Church ministers (age range = 25 to 65, Afrikaans... -
Identifying and Dealing with the Adaptability Needs of an Unwed Pregnant Teenager
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, South Africa Esta Hansen --- University of Pretoria, South AfricaThis article describes a way of identifying and dealing with the adaptability needs of a pregnant teenager from a life design perspective. The participant was selected purposively from among a group of undergraduate students at an institution for unwed mothers... -
A Longitudinal Study of the Role of Trust During Change
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nico Martins --- University of South Africa, Hartmut von der Ohe --- University of South Africa,The objective of the study was to explore factors that impact on trust relationships in a sample of South African organisations. A survey on trust was administered to a convenience sample of 484 respondents in the public and private economic... -
Experiences of Managers of Aggression in the Workplace
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Chris Myburgh --- University of Johannesburg, South Africa Marie Poggenpoel --- University of Johannesburg, South Africa Sumari Breetzke --- University of Johannesburg, South AfricaThe study explored and described the experiences of workplace aggression by managers in a northern South African district. Participants were seven managers from two medium sized companies. One of the companies was from the dairy industry and the other from... -
“I am doing okay”: Intrapersonal Coping Strategies of Children Living in an Institution
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kesh Mohangi --- University of Pretoria, South Africa Liesel Ebersöhn --- University of Pretoria, South Africa Irma Eloff --- University of Pretoria, South AfricaIn this case study, we utilized a Resilience framework and Sense of Coherence theory to understand how a group of children coped while living in an institution as a consequence of HIV/AIDS. We followed a qualitative and interpretivist approach. The... -
Psychological Empowerment, Work Engagement and Turnover Intention: The Role of Leader Relations and Role Clarity in a Financial Institution
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Japie R. de Villiers --- North-West University, South Africa Marius W. Stander --- North-West University, South AfricaThis study investigated the relationship between leader-member exchange, role clarity, psychological empowerment, engagement and turnover intention within a financial institution in South Africa. A cross-sectional survey design was used. A convenience sample (N = 278) was taken (males =31%, females... -
Delegitimisation of Disliked Political Organisations Through Biased Language and Acronyming
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tadios Chisango --- University of the Witwatersrand, South Africa Calvin Gwandure --- University of the Witwatersrand, South AfricaThe study investigated the use of biased language and acronyming in political organisations in South Africa and Zimbabwe. The study surveyed the discourses of political parties that were posted on the internet. Thematic content analysis was used to analyse the... -
Influences on Fertility Control and Early Parenthood in a Rural District of Zimbabwe
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nyengeterai Chemhuru --- Zimbabwe Open University, Zimbabwe Jephias Matunhu --- Midlands State University, Zimbabwe Almon Shumba --- Central University of Technology, South Africa Winifrida S. Nyamande --- Zimbabwe Open University, Zimbabwe Janet P. Mahlatini --- Zimbabwe Open University, ZimbabweThis study investigated influences on fertility control and early parenthood among teenage learners from a rural district in Zimbabwe. Data on perceived influences on risks for early parenthood were collected from 1320 female secondary school learners (mean age=16 years, SD=1.35)... -
Speech and Language Disorders in Kenyan Children: Adapting Tools for Regions with Few Assessment Resources
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Julie Anne Carter --- The Centre for Geographic Medicine Research (Coast), Grace Murira --- The Centre for Geographic Medicine Research (Coast), Joseph Gona --- The Centre for Geographic Medicine Research (Coast), Judy Tumaini --- The Centre for Geographic Medicine Research (Coast), Janet Lees --- Neurosciences Unit, Brian George Neville --- Neurosciences Unit, Charles Richard Newton --- The Centre for Geographic Medicine Research (Coast),This study sought to adapt a battery of Western speech and language assessment tools to a rural Kenyan setting. The tool was developed for children whose first language was KiGiryama, a Bantu language. A total of 539 Kenyan children (males=271,... -
Responsible Teenage Fatherhood in a South African Historically Disadvantaged Community
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Malose Langa --- Department of Psychology, Nicole Smith --- Department of Psychology,This study explored the meaning of teenage fatherhood in a historically disadvantaged South African community. Open ended interviews on teenage fatherhood were conducted with sixteen teenage fathers aged between 16 and 21 years. The data were analysed using thematic content... -
Tobacco Use and Associated Factors in Older Adults in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- Human Sciences Research Council, South Africa Nancy Phaswana-Mafuya --- Human Sciences Research Council, South AfricaThis study aimed to determine the prevalence of tobacco use and their associated factors in older South Africans. We conducted a national population-based cross-sectional study with a sample of 3840 aged 50 years or older in South Africa in 2008... -
Students' Sense of Coherence, Study Engagement and Self-Efficacy in Relation to their Study and Employability Satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melinde Coetzee --- University of South Africa, Rudolf M. Oosthuizen --- University of South Africa,This study reports on students' sense of coherence, study engagement and self-efficacy in relation to their satisfaction with current studies and employability. Participants included a convenience sample of 127 employed adult learners enrolled for third year level open distance learning... -
Quality of Daily Life with Teenage Motherhood
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Edzisani Sodi --- Tholene Sodi and Partner's Inc, South Africa Tholene Sodi --- University of Limpopo, South AfricaThis study describes teenage mothers' quality of daily life in a South African rural setting. It is a retrospective study. It was conducted with five participant women aged between 26 and 35 years with early motherhood experience. In-depth interviews were... -
Community Engagement as Liberal Performance, as Critical Intellectualism and as Praxis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mohamed Seedat --- University of South Africa, South AfricaThis article aims to illustrate that engagement is a dynamic and evolutionary process, moulded by contesting ideological, social actor and contextual forces. For purposes of illustration, I draw on a university-affiliated, participatory enactment of community engagement as a case example... -
Ukuphepha: A Multi-level Community Engagement Model for the Promotion of Safety, Peace and Health
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Rodney Eksteen --- University of South Africa, South Africa Abdulsamed Bulbulia --- University of South Africa, South Africa Ashley van Niekerk --- Medical Research Council, South Africa Ghouwa Ismail --- University of South Africa, South Africa Royal Lekoba --- University of South Africa, South AfricaThis article aims to describe a theoretically-informed community engagement model which delivers a suite of child safety, peace and health interventions.We provide an overview of critical concepts that inform the community engagement approach that underpins the implementation of the Ukuphepha... -
Community-Based Participatory Research a Low-Income Setting: An Illustrative Case of Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sandy Lazarus --- Medical Research Council, South Africa Naiema Taliep --- Medical Research Council, South Africa Abdulsamed Bulbulia --- University of South Africa, South Africa Shaun Phillips --- Hearts of Men, Mohamed Seedat --- University of South Africa, South AfricaThis article describes a community-based participatory research (CBPR) approach in a low-income setting. Using the SCRATCHMAPS project as a case example and with literature control, we show that CBPR is influenced by dynamics relating to knowledge and power, resources and... -
Photovoice as Community Engaged Research: The Interplay between Knowledge Creation and Agency in a South African Study on Safety Promotion
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shahnaaz Suffla --- Medical Research Council, South Africa Debra Kaminer --- University of Cape Town, South Africa Umesh Bawa --- University of the Western Cape, South AfricaThis article aims to describe Photovoice as a method and process of enacting community engaged research. The multi-dimensional nature of Photovoice is illustrated though a case application, focused on safety promotion in two South African low-income communities. Twenty youth, evenly... -
The Use of Concept Mapping in Engaging Women to Identify the Factors that Influence Violence
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sarah Crawford-Browne --- University of Cape Town, South Africa Debra Kaminer --- University of Cape Town, South AfricaThis study used concept mapping to characterise the factors influencing violence as perceived by a sample of women community dwellers. Participants were 50 women (aged between 18 and 65 years) living in a high violence area of a major South... -
The Philosophical Assumptions, Utility and Challenges of Asset Mapping Approaches to Community Engagement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sherianne Kramer --- University of South Africa, South Africa Taryn Amos --- University of South Africa, South Africa Sandy Lazarus --- University of South Africa, South Africa Mohamed Seedat --- University of South Africa, South AfricaThis literature review is a discussion of asset-based approaches to community engagement. Following a literature search, we identified several asset mapping approaches: Asset-Based Community Development (ABCD); Participatory Inquiry into Religious Health Assets, Networks and Agency (PIRHANA); Community Health Assets Mapping... -
Merging Professional Training and Community Engagement Agendas: A Case Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tanya M. Graham --- University of the Witwatersrand, South Africa Kerry J. Gordon --- University of the Witwatersrand, South Africa Sarah A. Uren --- Independent Counselling and Advisory Services, South Africa Lauren Fitchet --- Independent Counselling and Advisory Services, South Africa Victoria A. Hall --- Independent Counselling and Advisory Services, South Africa Malose Langa --- University of the Witwatersrand, South AfricaThis case study explored the emancipatory foundations of community work through a schools-based peer support intervention. We use a case study approach to describe the context in which the intervention was developed, its emancipatory theoretical foundations, and the project's implementation... -
An Ethic of Care in Participatory Research in School Community Settings
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Estelle Swart --- Stellenbosch University, South Africa Marietjie Oswald --- Stellenbosch University, South AfricaWe explored the manifestation and development of an ethic of care in school communities using a variety of participatory research methods. The qualitative data from this ethnographic case study were analysed using constructivist grounded theory. Our findings suggest that an... -
Teaching Community Psychology as Community Engagement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Angelo Fynn --- University of South Africa, South Africa Martin Terre Blanche --- University of South Africa, South Africa Eduard Fourie --- University of South Africa, South Africa Johan Kruger --- University of South Africa, South AfricaThis report describes a model for teaching community psychology as a form of community engagement and the related practices to encourage active engagement between students and their communities. As active community learners, students need to explore self, family and community... -
Community Centred Learning: A Pathway to Community Engagement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lebogang Lorraine Phiri --- University of South Africa, South Africa Natasha Hendricks --- Medical Research Council, South Africa Mohamed Seedat --- University of South Africa, South AfricaWe report on the experiences of participants on a course which represented a pathway to community engagement. The 76 participants (20 males, 46 females), from two low-income South African communities, were part of a multi-lingual group representing English, Africans, isiZulu... -
Exploring Employees' Personality Attributes in Relation to Their Employability Attributes in the Business Management Field
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ingrid Potgieter --- University of South Africa, Melinde Coetzee --- University of South Africa, Andries Masenge --- University of South Africa,This study explored early career employee's personality preferences in a South African work setting. Participants were a non-probability sample business management employees (N = 304; female = 64%, ethnicity = 81% Black, supervisory = 53%, age range = 25 and... -
Psychometric Evaluation of The Utrecht Work Engagement Scale (UWES) and Oldenburg Burnout Inventory (OLBI) within a Cement Factory
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Martin Lekutle --- North-West University, Jan Alewyn Nel --- North-West University,This study evaluated the psychometric properties of the Utrecht Work Engagement Scale (UWES) and the Oldenburg Burnout Inventory (OLBI) within a cement factory. Respondents were 187 employees (males =168, females =19) from a cement factory in the North West province... -
Psychological Well-Being and Resilience as Predictors of First-Year Students' Academic Performance
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Martina Kotzé --- University of the Free State, Ronel Kleynhans --- University of the Free State,This study investigated aspects of psychological well-being (burnout and engagement) and resilience as predictors of the academic performance of a group of first-year students at a higher education institution. Participants included 789 first-year students at a South African university (females... -
Efficacy Evaluation of a Leadership Development Assessment Centre For Managers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lené I. Jorgensen --- North-West University, South Africa Bianca Els --- North-West University, South AfricaThis study evaluated the efficacy of a leadership development intervention using an assessment centre approach. Participants were 72 managers and peer workers (50%) with a steel manufacturing organisation from the Gauteng province of South Africa (females = 17% and males... -
Efficacy of a Sense of Meaning Intervention Amongst Managers at South African Institution of Higher Education
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Solomon Makola --- Central University of Technology, South AfricaThe study evaluated the efficacy of a sense of meaning intervention with a sample of higher education managers. Participants were 14 members of the campus management committee of a university of technology in South Africa (age range = 32 to... -
Emotional Intelligence and Wellness Among Employees Working in the Nursing Environment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jan Alewyn Nel --- North-West University, South Africa Cara S. Jonker --- North-West University, South Africa Tinda Rabie --- North-West University, South AfricaThis study's sought to establish the relationship of emotional intelligence, job characteristics and wellness within the nursing environment. A cross-sectional survey design was used. A random probability sample (N=511; females =96.70%; white =77.10%) was taken from hospitals in three South... -
Flourishing of Information Technology Professionals: The Role of Work Engagement and Job Satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Elsabé Diedericks --- North-West University, South Africa Sebastiaan Rothmann --- North-West University, South AfricaThis study investigated the relationship between work role fit, the availability of personal resources, supervisor relations, work engagement, job satisfaction and employee flourishing. A convenience sample (N = 205) was taken of employees in information technology organizations. The results showed... -
Examining the Mediating Effect of Open Distance Learning Students' Study Engagement in Relation to Their Life Orientation and Self-Efficacy
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melinde Coetzee --- University of South Africa, Rudolf M. Oosthuizen --- University of South Africa,This study reports on the mediating effect of study engagement (measured by an adapted version of the Utrecht Work Engagement Scale) in relation to students' life orientation (measured by the Orientation to Life Questionnaire) and their self-efficacy (measured by the... -
Burnout and Work Engagement for Different Age Groups: Examining Group-Level Differences and Predictors
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lize-Mari Haley --- North-West University, South Africa Karina Mostert --- North-West University, South Africa Crizelle Els --- North-West University, South AfricaThis study examined age-related differences of burnout and engagement levels among employees in the South African financial sector, including influences of perceived job characteristics and personal sense of coherence. Data on burnout and work engagement, job characteristics and sense of... -
Experiences of Managers and Healthcare Personnel Involved in a Functional Healthcare Public Private Partnership
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Esmeralda Ricks --- Nelson Mandela Metropolitan University, South Africa Dalena van Rooyen --- Nelson Mandela Metropolitan University, South Africa Moloko Priscilla Gantsho --- Nelson Mandela Metropolitan University, South Africa Wilma ten Ham --- Nelson Mandela Metropolitan University, South AfricaThis study explored the experiences of managers and healthcare personnel involved in a functional healthcare public private partnership (PPP) in a semi-rural area situated in the Eastern Cape Province, South Africa. Data on how managers and healthcare personnel experienced their... -
Counselling on Rails: Social Accountability Learning Among South African Psychology Students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Annelize Bonthuys --- North-West University, Itumeleng P. Khumalo --- North-West University, Lynette Flusk --- Transnet-Phelophepa Health-Care Train,This study investigated the utility of train transportation health care service in a North Eastern South African region. Participants were seven psychology graduate students at a South African university. They completed reflective journals on their subjective experience and objective reporting... -
Psychological Career Resources and Work Engagement of Early Career Consulting Staff
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jenny Venter --- University of Pretoria, Melinde Coetzee --- University of South Africa, Johan S. Basson --- University of Pretoria,This study explored whether employees' psychological career resources significantly predicted their work engagement. A non-probability sample of 111 early career (26–40 years of age) white male and female staff in a South African human resource software and technology consulting services... -
Qualities of Work-Related Well-Being in Selected South African Occupations
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lené Ilyna Jorgensen --- North-West University, South Africa Jan Alewyn Nel --- North-West University, South Africa David Johannes Roux --- North-West University, South AfricaThis study investigated the structure of work-related well-being in four occupational groups in South Africa. The participants were 4 006 employees, namely educators and administrative personnel (n = 2501), insurance industry personnel (n = 613), and correctional services personnel (n... -
Work Related Well-Being: Burnout, Work Engagement, Occupational Stress and Job Satisfaction Within a Medical Laboratory Setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kalashni Narainsamy --- University of South Africa, Sanet Van Der Westhuizen --- University of South Africa,This study investigated work-related well-being in a medical laboratory setting. A cross-sectional survey design was used to gather data from a convenience sample of 202 medical laboratory staff (females = 35.64%; majority ethnicity = Indian). Participants completed the Burnout Inventory—General... -
Critical Incidents Impact Management Among South African Police Service Officers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Masefako Andronica Gumani --- University of Venda, Eduard Fourie --- University of South Africa, Martin Terre Blanche --- University of South Africa,This article describes and interprets the law enforcement processes of managing critical incidents in a South African police district. Twenty participants from various police units were selected through purposive and theoretical sampling techniques. Data were collected using unstructured open-ended interviews,... -
Dimensions of Job Satisfaction Identified Among South African Black Middle-level Managers: A Qualitative Investigation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sonja C. Strydom --- Stellenbosch University, René van Eeden --- University of South Africa,The aim of the present study was to identify the factors contributing to job satisfaction for black middle-level managers and to contextualise these factors in terms of Afrocentric values and South Africa's socio-political and historical background. The sample comprised eight... -
Exploring the Attainment of Career Success
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Eileen Koekemoer --- North-West University, South Africa Sune Visagie --- North-West University, South AfricaThis study examined the role of the organisation as well as the role of the employee in the attainment of career success for senior management employees. Participants were a purposive sample of 24 senior management employees from two international financial... -
Influences on Under Reporting of Sexual Abuse of Teenagers with Intellectual Disability: Results and Implications of a South African Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Phasha Tlakale Nareadi --- University of South Africa,This paper reports on part of the findings of a study on care and support for sexually abused teenagers with intellectual disability in Gauteng Province, South Africa. The focus is particularly on influences of under reporting of sexual abuse of... -
Natural Alternatives For One Dimensional Median Filtering
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: C.H. Rohwer M. WildFor practical purposes median smoothers have often been considered the basic components for the construction of simple non-linear smoothers for removing impulsive noise before any subsequent linear signal extraction from a sequence. Alternatives exist that are computationally convenient, conceptually simpler... -
The Galois Approach to Uniform Structures
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Maria João Ferreira Jorge PicadoEntourages in uniform spaces, being binary relations, may be easily described by polarities (i.e. Galois connections between power sets) and axialities (i.e. residuated pairs between power sets). Here we consider this in the pointfree context of the category of frames,... -
Perception of risk of HIV infection in marital and cohabiting partnerships
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Pranitha MaharajThe purpose of this paper is to understand how married and cohabiting men and women define risk and to identify the factors that influence risk perceptions in a setting with a high prevalence of HIV infection. A combination of qualitative... -
Age at sexual debut in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Anne BakilanaIt is important to understand the age at which sexual relations start in designing HIV prevention strategies. Most studies on age of sexual activity of young people provide estimated percentages of those that are sexually active in specific age groups,... -
AIDS, order and 'best practice' in the South African workplace: managers, peer educators, traditional healers and folk theories
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: David DickinsonThis article examines the response of three medium-sized South African manufacturing companies to HIV/AIDS. It is argued that the response is heavily influenced by managerial conceptions of workplace order — sometimes divergent from industrial realities — which results in the... -
Beyond liminality: orphanhood and marginalisation in Botswana
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Marguerite DanielFor children, the death of a parent initiates a rite of passage, a three-stage process: separation from their status as 'son' or 'daughter', a period of liminality with rituals of mourning, burial and interment, and finally re-aggregation into a re-formed... -
The children left to stand alone
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Sidsel RoalkvamDrawing upon ethnographic fieldwork in Seke, a semi-rural area outside Harare, Zimbabwe, this paper explores the social mechanism behind the seeming invisibility of children left on their own and how this form of 'invisibility' challenges established notions of childhood, parenthood,... -
Preliminary investigation of adherence to antiretroviral therapy among children in Aminu Kano Teaching Hospital, Nigeria
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Mariya Mukhtar-Yola Solomon Adeleke Dayyabu Gwarzo Zubaida Farouk LadanTreatment of HIV with highly active antiretroviral therapy (HAART) has resulted in declining morbidity and mortality rates from HIV-associated diseases, but concerns regarding access and adherence are growing. To determine the adherence level and the reasons for non-adhering to antiretroviral... -
Wits University's response to HIV/AIDS: flagship programme or 'tramp steamer'?
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Murray Cairns David Dickinson Wendy OrrHIV/AIDS is a threat to the creation of human capital and development prospects in southern Africa and South Africa. The University of the Witwatersrand (Wits) is a well-regarded institution of higher education in Johannesburg. This paper outlines the university's qualified... -
Workplace ART programmes: Why do companies invest in them and are they working?
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Gavin GeorgePrevalence data indicates that certain sectors within the private sector are particularly affected by HIV/AIDS. Companies in southern Africa began implementing treatment programmes in early 2002 as the corporate sector came to realise the financial imperative of offsetting employee morbidity... -
Wearing the T-shirt: an exploration of the ideological underpinnings of visual representations of the African body with HIV or AIDS
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: AnnwenE BatesThe article takes a hermeneutic approach to exploring a selection of visual representations of the African body in relation to the issue of HIV and AIDS in Africa. In particular, it argues that the trope of 'deficiency' ('lack'), wherein Africa... -
The making of vulnerabilities: understanding the differentiated effects of HIV and AIDS among street traders in Warwick Junction, Durban, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: May Chazan Alan WhitesideThe end of apartheid in South Africa has led to political-economic transition, the deregulation of cities, and increased population mobility, with growing numbers of people living and working in sub-standard and 'informal' urban conditions. These processes have created a fertile... -
Assessment of behavioural risk factors for HIV/AIDS in selected target groups in and around Addis Ababa and Nazareth cities, Ethiopia
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Teshome Nedi --- Department of Pharmacology, Ethiopia Mehret Yerdaw --- Department of Pharmacology, Ethiopia Fikre Enquoselassie --- Department of Community Health, Faculty of Medicine, EthiopiaA stratified cross-sectional survey was conducted on 2 278 people residing in and around Addis Ababa and Nazareth cities to assess the behavioural risk factors in HIV/AIDS in selected target groups from August 2000 to December 2000. The target groups,... -
Mismatches between youth aspirations and participatory HIV/AIDSprogrammes in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Andrew Gibbs --- Health Economics and HIV/AIDS Research Division (HEARD), South Africa Catherine Campbell --- , United Kingdom Sbongile Maimane --- Centre for HIV/AIDS Networking (HIVAN), South Africa Yugi Nair --- Centre for Rural Health, South AfricaAlthough youth participation is a pillar of international HIV/AIDS policy, it is notoriously difficult to facilitate. We explore this challenge through a case study of a community-led HIV/AIDS management project in a South African rural area, in which anticipated youth... -
Trend analysis and short-term forecast of incident HIV infection in Ghana
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Patrick Aboagye-Sarfo --- School of Engineering, Australia James Cross --- School of Engineering, Australia Ute Mueller --- School of Engineering, AustraliaThe study uses time-series modelling to determine and predict trends in incident HIV infection in Ghana among specific age groups. The HIV data for Ghana were grouped according to northern and southern spatial sectors as they exhibited slightly different data... -
Factors associated with high media coverage of the HIV epidemic in Lesotho
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Cecilia Strand --- Department of Informatics and Media Science, SwedenRegional studies show that Lesotho outperforms other countries in southern Africa in terms of awarding coverage to HIV and AIDS. Through qualitative interviews, this study examines the motivations, experiences, and perceived challenges among media workers, which could explain the high... -
Human-resources strategies for managing HIV/AIDS: the case of the South African forestry industry
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Jeff Gow --- , Australia Bligh Grant --- , AustraliaPrevious work has focused on HIV prevalence among forestry workers and the impact of HIV/AIDS on the sustainability of forest resources. Following a review of work examining the impacts of HIV/AIDS on the South African economy, this article presents original... -
Why do some South African ethnic groups have very high HIV rates and others not?
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Chris Kenyon --- Department of Medicine, Division of Infectious Diseases and HIV Medicine, Observatory, South Africa Sizwe Zondo --- Department of Psychology, ASCENT Laboratory, Rondebosch, South AfricaThe differences in HIV prevalence between South Africa's racial/ethnic groups (19.9%, 3.2%, and 0.5% among 15–49-year-old blacks, coloureds and whites, respectively) are as big as those between the countries with the highest and lowest levels of HIV prevalence worldwide. These... -
Sexuality among the elderly in Dzivaresekwa district of Harare: the challenge of information, education and communication campaigns in support of an HIV/AIDS response
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Ignatius Gutsa --- Department of Sociology, ZimbabweThis ethnographic study in Dzivaresekwa district, Harare, Zimbabwe, examines the issue of sexuality among the elderly and their challenges in accessing information, education, and communication (IEC) campaigns in the face of HIV and AIDS. The research depended heavily on collecting... -
The significance of gathering wild orchid tubers for orphan household livelihoods in a context of HIV/AIDS in Tanzania
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: JoyceFX Challe --- Department of Research and Training, Mikocheni Agricultural Institute, Tanzania Anke Niehof --- Sociology of Consumers and Households Group, The Netherlands PaulC Struik --- Centre for Crop System Analysis, The NetherlandsWe investigated the role of gathering and selling the edible tubers of wild orchids by children orphaned by AIDS as one of their livelihood strategies, through a household survey administered to 152 households in three villages in the Southern Highlands... -
Fear appeals in HIV-prevention messages: young people's perceptions in northern Tanzania
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Sheri Bastien --- Faculty of Medicine, Institute for Basic Medical Sciences, NorwayThe aims of the study were to elicit the perceptions of young people in Tanzania on the role of fear appeals in HIV-prevention messages and to identify important contextual factors that may influence young people's perceptions of HIV-prevention posters. A... -
Obstacles to creating an environment conducive to HIV prevention for young people
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Roselyn Nm Kareithi --- Adolescent Health Research Unit, South Africa Crick Lund --- Department of Psychiatry and Mental Health, Centre for Public Mental Health, South AfricaThe external environment of an organisation influences the desired goals and interventions of that organisation in many ways. However, strategies for influencing the external context to create a more enabling environment for the interventions of non-governmental organisations (NGOs) are often... -
Perceptions of HIV, AIDS and tuberculosis among patients on antiretroviral therapy in Bulawayo, Zimbabwe: implications for the provision of HIV and TB care services
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Alexander Rödlach --- Department of Sociology, Anthropology and Social Work, United States RiittaA Dlodlo --- , France ZaneleE Hwalima --- Health Services Department, ZimbabweThe objectives of the research were to explore perceptions of HIV, AIDS and tuberculosis (TB) among individuals enrolled in antiretroviral therapy (ART) at two municipal clinics in Bulawayo, Zimbabwe, and to assess the implications of these perceptions on the provision... -
A narrative review of research on the effects of physical activity on people living with HIV and opportunities for health promotion in disadvantaged settings
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Clemens Ley --- , South Africa María Rato Barrio --- , South AfricaThe article explores different types and effects of physical activity for people living with HIV. Considering the lack of studies done in African contexts and the disparity between research settings and natural settings, a narrative review of the literature was... -
Youths navigating social networks and social support systems in settings of chronic crisis: the case of youth-headed households in Rwanda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Laura May Lee --- Interdisciplinary Graduate Studies Program, Green College, CanadaYouth-headed households in Rwanda live in a context of chronic crisis, where poverty, disease and uncertainty are not exceptional but characterise people's daily lived reality. Struggling under the pressures of economic deprivation, social isolation, abuse and exploitation, these youths experience... -
Challenges and coping strategies of orphaned children in Tanzania who are not adequately cared for by adults
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Marguerite Daniel --- Department of Health Promotion and Development, Norway Angela Mathias --- Department of Health Promotion and Development, NorwayOrphaned children in poor rural communities sometimes have no adult who is able to care for them or else the adult caregiver is not able to provide adequate care. Tanzania remains one of the poorest countries in the world, and... -
Older people living with HIV in Uganda: understanding their experience and needs
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: MonicaO Kuteesa --- , Australia Janet Seeley --- Uganda Research Unit on AIDS, Uganda RobertG Cumming --- , Australia Joel Negin --- , AustraliaOlder adults ageing with HIV in Africa have been largely neglected, despite the distinctive healthcare needs of this population. This article examines the medical care experiences of older Ugandans living with HIV. Data were collected from 40 HIV-positive adults, aged... -
HIV-seroprevalence among pulmonary tuberculosis patients in a tertiary care hospital in Douala, Cameroon
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Bertrand Hugo Mbatchou Ngahane --- Douala General Hospital, Cameroon Henry Luma --- Douala General Hospital, Cameroon Yacouba Mapoure Njankouo --- Douala General Hospital, Cameroon Martine Nida --- Faculty of Medicine and Pharmaceutical Sciences, Cameroon Achu Joko --- Douala General Hospital, Cameroon Marthe Mbenoun --- Faculty of Medicine and Pharmaceutical Sciences, Cameroon Samuel Wato --- Douala General Hospital, Cameroon Albert Mouelle Sone --- Douala General Hospital, CameroonA retrospective study was carried out at Douala General Hospital, Cameroon, between July 2007 and July 2011, to determine the prevalence of HIV infection among the pulmonary tuberculosis (pTB) patients and to compare epidemiological profiles with respect to TB/HIV co-infection... -
‘Something for something’: The importance of talking about transactional sex with youth in South Africa using a resilience-based approach
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Ingrid van der Heijden --- Gender and Health Research Unit, South Africa Sharlene Swartz --- Human Sciences Research Council, South AfricaTransactional sex is a common feature of sexual relationships in South Africa but has severe health implications for those who engage in it. This paper presents perspectives on transactional sex based on interviews and focus group discussions with young people... -
Patient and provider perspectives on improving the linkage of HIV-positive pregnant women to long-term HIV care and treatment in eastern Uganda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Haneefa Saleem --- Department of International Health, USA Robert Kyeyagalire --- Nuffield Department of Population Health, United Kingdom Sarah Smith Lunsford --- EnCompass, LLC, USADespite strong evidence that antiretroviral therapy (ART) reduces the risk of mother-to-child transmission of HIV and improves the health of HIV-positive mothers, many HIV-positive pregnant women do not enrol into long-term HIV care and treatment. This study examined barriers and... -
Developing a protocol for managing the biophysical condition of a water management area: the Sabie catchment case study
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: E van Wyk J Jaganyi B van Wilgen C Breen K Rogers D Roux F VenterRecent modification of the South African Water Law spells out fundamental changes for the way the country's water resources will be managed in the future. One of the most significant mandates is the establishment of Catchment Management Agencies (CMAs) and... -
Catchments as conservation units for riverine biodiversity
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MJ WishartThe geological structure and longitudinal nature of river systems provide a possible barrier to the dispersal of lotic organisms. This has the potential to drive evolutionary processes such as genetic differentiation and subsequent allopatric speciation. In the conservation of lotic... -
Aftermath of simultaneous toxic spills in the Klein Nyl River, Northern Province, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: A Jooste L PollingIn late August 1998, a mechanical malfunction at the Nylstroom Sewage Treatment Works resulted in a massive quantity of untreated sewage flowing into the Klein Nyl River. Simultaneously, 5km upstream, a poly-aromatic hydrocarbon poison was simultaneously leaked into the same... -
Groundwater quality monitoring around Bass Lake, Betty's Bay, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: K Schachtschneider K WinterThe study involves the analysis of groundwater around Bass Lake, part of a fragile black water lake system situated along a narrow coastal plain in the southern Cape, in order to establish the quality of the water and to identify... -
Sublethal effects of manganese on the haematology and osmoregulation of Oreochromis mossambicus after acute exposure
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: I Barnhoorn JHJ van VuurenOreochromis mossambicus were exposed for 96 hours to sublethal manganese concentrations in a continuous flow-through system. The sublethal concentrations were determined from the LC50 value of manganese (1.723mg/l), which included a 10% (172.3mg/l), 15% (259.8mg/l) and 20% (345.6mg/l) concentration of... -
Changes in the distribution of emergent aquatic plants in a brackish South African estuarine-lake system
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: IA RussellVegetation mapping in the Wilderness Lakes indicated that, between 1975 and 1997, prominent increases occurred in the distribution of the mapping units Phragmites australis (53.9ha; +53%), grass or fields (23.1ha; +35%) and scrub or trees (12.2ha; +45%). Over the same... -
Fish assemblages in relation to environmental gradients along a small west African coastal basin, the San Pedro River, Ivory Coast
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: T Koné GG Teugels V N'Douba EP Kouamélan G Gooré BiPatterns of fish population composition were examined in the San Pedro River, Ivory Coast, in 2001 to assess whether distinct types of assemblage exist along longitudinal gradients within this small coastal basin. A total of 45 species was found: 28... -
Mortality estimates and biological reference points for the Natal stumpnose Rhabdosargus sarba (Pisces: Sparidae) in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NC James BQ Mann PV RadebeA per-recruit stock assessment was undertaken for the sparid Rhabdosargus sarba, which is caught in estuarine and marine shore fisheries in KwaZulu-Natal. Input parameters used in the analyses included age and growth parameters and mortality estimates from catch curves. The... -
Development and application of a fish-based Sensitivity-weighted Index of Biotic Integrity (SIBI) for use in the assessment of biotic integrity in the Klip River, Gauteng, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PJ Kotze GJ Steyn HH du Preez CJ KleynhansBiotic indices using fish assemblage characteristics have been applied with great success in river assessments around the world. Internationally the most commonly applied fish index is the Index of Biotic Integrity (IBI), whilst in South Africa the most commonly applied... -
Management advice for the Diplotaxodon limnothrissa (Teleostei: Cichlidae) resource in the south-east arm of Lake Malawi, based on per-recruit analysis
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: GeoffreyZ Kanyerere AnthonyJ Booth OlafLF WeylDiplotaxodon limnothrissa is a widely distributed species occurring throughout Lake Malawi and is probably the most abundant cichlid in the pelagic zone of the lake. The species is exploited commercially in the south-east arm of the lake, but since the... -
Fish communities along environmental gradients within the Comoé River basin, Côte d'Ivoire
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: StanislasS Yao EssetchiP Kouamélan Tidiani Koné Valentin N'Douba Gooré Bi Frans Ollevier DirkF E Thys van den AudenaerdeEighty-four sites in the Comoé basin (Côte d'Ivoire, West Africa) were sampled to identify fish assemblages and their relationships with some environmental variables. Seventy-six freshwater fish species were collected from 22 families and 44 genera: 11 marine and/or brackish water... -
Primary habitats of the St Lucia Estuarine System, South Africa, and their responses to mouth management
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Ricky Taylor JanineB Adams Sylvi HaldorsenFour primary habitats have been identified in the St Lucia estuarine system, each having a suite of characteristic vegetation types. These can be described as follows: (1) open water; (2) intertidal shoreline; (3) 'dry' shoreline and island (i.e. those habitats... -
Predictor variables for moggel (Labeo umbratus) biomass and production in small South African reservoirs
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: WM Potts AJ Booth T Hecht TG AndrewThe biomass and production of moggel, Labeo umbratus, in five small previously unexploited Eastern Cape reservoirs were estimated and related to environmental conditions. Biomass and production estimates varied widely between the reservoirs. Whilst the production/biomass ratio was not a good... -
Translocation of marbled African lungfish, Protopterus aethiopicus (Telostei: Protopteridae), and its fishery in Lake Baringo, Kenya
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: ChrisestomM Mlewa JohnM GreenThe translocation of the marbled African lungfish Protopterus aethiopicus into Lake Baringo created a new fishery for the local community, who capture them primarily in a bottom-set long line fishery. Its introduction, development and current fishery status in the lake... -
The life history and fishery potential of Labeo umbratus (Teleostei: Cyprinidae) in five small South African reservoirs
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: WarrenM Potts AnthonyJ Booth Thomas Hecht TimothyG AndrewThe life histories of five populations of moggel, Labeo umbratus, inhabiting small Eastern Cape reservoirs were compared and the differences related to environmental parameters. A significant positive correlation between fish growth and chlorophyll a was noted in four cases. In... -
Acute effects of Cu on oxygen consumption and 96 hr-LC50 values in the freshwater fish Tilapia sparrmani (Teleostei: Cichlidae) in Mooi River hard water, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: WJ van Aardt Mynhardt HoughThe median lethal copper (Cu) concentration (96 hr-LC50) values for acute Cu toxicity for Tilapia sparrmanii (live mass: 30 ± 8g) in Mooi River hard water of dolomitic origin at 20 °C, pH 7.9, was 68.1 μmol l−1. At this... -
The cost of water hyacinth control in South Africa: a case study of three options
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: E van Wyk --- , South Africa BW van Wilgen --- , South AfricaThe aquatic plant water hyacinth (Eichhornia crassipes) was first recorded in South Africa during the early part of the 20th century. The plant has since spread across the country and is found in water bodies in both sub-tropical and temperate... -
Application of the Indicators of Hydrological Alteration method to the Mkomazi River, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: V Taylor --- , South Africa R Schulze --- , South Africa G Jewitt --- , South AfricaHydrological regimes play a major role in structuring the biotic diversity within river ecosystems and hydrological variation is recognised as a primary driving force within those ecosystems. The US Nature Conservancy developed a method known as the Indicators of Hydrological... -
Water quality impacts on instream biota of the Shingwedzi River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PSO Fouche --- Department of Zoology, South Africa W Vlok --- Department of Zoology, South AfricaWater quality, macroinvertebrate diversity (using SASS5) and fish diversity (using the fish response assessment index) of the Shingwedzi River system were monitored in 2007/2008 to determine the present status of the system. Possible water pollution sources were identified by aerial... -
Fish assemblages in the Mfolozi–Msunduzi estuarine system, KwaZulu-Natal, South Africa, when not linked to the St Lucia mouth
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: L Vivier --- Coastal Research Unit of Zululand, Department of Zoology, South Africa DP Cyrus --- Coastal Research Unit of Zululand, Department of Zoology, South Africa RK Owen --- Coastal Research Unit of Zululand, Department of Zoology, South Africa HL Jerling --- Coastal Research Unit of Zululand, Department of Zoology, South AfricaThe fish community of the Mfolozi–Msunduzi estuarine system was investigated with particular emphasis on its role as a nursery area for marine fish when the adjacent St Lucia mouth is closed. The mouth was open during March 2007 and 2008... -
The potential for zoobenthic fauna dispersal into the St Lucia Estuary from the Mfolozi–Msunduzi estuarine system, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RK Owen --- Coastal Research Unit of Zululand, Department of Zoology, South Africa DP Cyrus --- Coastal Research Unit of Zululand, Department of Zoology, South Africa L Vivier --- Coastal Research Unit of Zululand, Department of Zoology, South Africa HL Jerling --- Coastal Research Unit of Zululand, Department of Zoology, South AfricaThe onset of a prolonged drought in the St Lucia catchment in 2002 and subsequent mouth closure raised concern for the biota of the estuary. Ezemvelo KZN Wildlife proposed a scheme whereby the Mfolozi–Msunduzi mouth would be closed, causing fresh... -
Ecological status and role of the Mfolozi–Msunduzi estuarine system within the iSimangaliso Wetland Park, a World Heritage Site on the south-east coast of South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DP Cyrus --- Coastal Research Unit of Zululand, Department of Zoology, South Africa L Vivier --- Coastal Research Unit of Zululand, Department of Zoology, South Africa RK Owen --- Coastal Research Unit of Zululand, Department of Zoology, South Africa HL Jerling --- Coastal Research Unit of Zululand, Department of Zoology, South AfricaThe original structure and functioning of the historical Mfolozi–St Lucia estuarine system are described and anthropogenic impacts, which resulted in the Mfolozi and Msunduzi rivers being separated from the St Lucia Estuary and having their own combined mouth to the... -
Stream degradation, fish abundance and the potential viability of ornamental fisheries in south-western Cameroon
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RE Brummett --- , Cameroon C Cargill --- , Cameroon LM Lekunzé --- , Cameroon D Puddister --- , CameroonFifteen sites on nine second- and third-order streams in the Mount Cameroon area, with varying degrees of human disturbance, were sampled during wet and dry seasons over 21 months in 2003–2005 to estimate their potential for sustainable exploitation of ornamental... -
Age, growth rate and size at sexual maturity of Labeobarbus aeneus (Teleostei: Cyprinidae) in the middle Vaal River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: R Gerber --- Centre for Aquatic Research, Department of Zoology, South Africa NJ Smit --- Centre for Aquatic Research, Department of Zoology, South Africa GM Wagenaar --- Centre for Aquatic Research, Department of Zoology, South AfricaAge structure, growth and size at sexual maturity of smallmouth yellowfish, Labeobarbus aeneus (Burchell), were assessed in 2008–2009. Despite its angling and food importance, little has been published on many aspects of its ecology and biology, specifically its age structure... -
Zooplankton abundance and composition in the hypertrophic Rietvlei Dam, South Africa, negate prospects for its remedial ‘top-down’ biomanipulation
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RC Hart --- School of Life Sciences, South AfricaCrustacean zooplankton abundance and composition were determined at one offshore and three nearshore sites in the hypertrophic Rietvlei Dam on 19 dates between July 2009 and December 2011. Total biomass fluctuated seasonally, generally declining from spring to winter through the... -
Fish health status, research and management in East Africa: past and present
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: P Akoll --- Department of Biological Sciences, School of Biosciences, Uganda WW Mwanja --- Department of Fisheries, UgandaThis paper reviews the state of research on fish pathogens in Burundi, Kenya, Rwanda, Tanzania and Uganda from the early 1900s, the period when fisheries management started in the region, to date, and evaluates the current policy, regulatory frameworks, management... -
Comparative behavioural assessment of an established and a new tigerfish Hydrocynus vittatus population in two man-made lakes in the Limpopo River catchment, southern Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: GC O'Brien --- Water Research Group (Ecology), Unit for Environmental Science and Management, South Africa JB Bulfin --- , Ireland A Husted --- Centre for Aquatic Research, South Africa NJ Smit --- Water Research Group (Ecology), Unit for Environmental Science and Management, South AfricaWith the continued establishment of man-made lakes within the natural distribution range of tigerfish in southern Africa, many artificial tigerfish populations now exist in the region. Very little of the behavioural ecology of these artificial but ecologically important populations is... -
Impacts of trout on aquatic macroinvertebrates in three Drakensberg rivers in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NA Rivers-Moore --- Centre for Water Resources Research, South Africa B Fowles --- , South Africa RJ Karssing --- , South AfricaGlobal literature suggests that trout, when introduced as alien species into local streams, have had deleterious impacts on aquatic community structure and function. Prior to defining management actions regarding trout in the rivers of the Ukhahlamba-Drakensberg Park (UDP), data are... -
Fish sampling in the marine-dominated Kariega Estuary, South Africa, using a demersal otter trawl: day/night effects
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SE Bailey --- , South Africa NC James --- , South AfricaVery few demersal fish assemblage studies using otter trawls in estuaries have been done in South Africa and none of these have tested for the effects of diel period. This study aimed to test whether diel period affects otter trawl... -
Validation of the periodicity of growth increment deposition in otoliths from the larval and early juvenile stages of two cyprinids from the Orange–Vaal river system, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: BR Paxton --- Water Research Group (Ecology), School of Environmental Sciences and Development, Potchefstroom Campus, South Africa GC O'Brien --- Water Research Group (Ecology), School of Environmental Sciences and Development, Potchefstroom Campus, South Africa JA Slingsby --- South African Environmental Observatory Network, South Africa R Copin --- Zoology Department, South AfricaThis study tested the hypothesis that growth increments in larval largemouth yellowfish Labeobarbus kimberleyensis and smallmouth yellowfish L. aeneus from the Orange–Vaal river system, South Africa, are deposited daily. The periodicity of increment formation was determined by regular sampling and... -
Effect of feeding frequency and feeding rate on growth of Oreochromis mossambicus (Teleostei: Cichlidae) fry
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RW Luthada --- Department of Zoology, South Africa HL Jerling --- Department of Zoology, South AfricaThe effect of feeding frequency and feeding rate on growth of Oreochromis mossambicus fry was investigated over 30 d under temperature- and light-cycle-controlled conditions on the University of Zululand campus, South Africa, in October and November 2009. Weight gain, specific... -
Variations and changes in habitat, productivity, composition of aquatic biota and fisheries of the Kyoga lake system: lessons for management
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: R Ogutu-Ohwayo --- National Fisheries Resources Research Institute, Uganda K Odongkara --- National Fisheries Resources Research Institute, Uganda W Okello --- National Fisheries Resources Research Institute, Uganda D Mbabazi --- National Fisheries Resources Research Institute, Uganda SB Wandera --- National Fisheries Resources Research Institute, Uganda LM Ndawula --- National Fisheries Resources Research Institute, Uganda V Natugonza --- National Fisheries Resources Research Institute, UgandaThe Kyoga lake system, which is c. 4 m deep, originally had a diverse fish fauna, extensive macrophytes and wetlands. Most (82%) of its water comes from Lake Victoria, is controlled through three dams and has a short residence time... -
Effects of water quality changes on phytoplankton and lesser flamingo Phoeniconaias minor populations at Kamfers Dam, a saline wetland near Kimberley, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: LM Hill --- School of Agricultural, Forest and Environmental Sciences, USA WW Bowerman --- University of Maryland, USA JC Roos --- Water Quality Consultants, South Africa WC Bridges --- Department of Mathematical Sciences, USA MD Anderson --- BirdLife South Africa, South AfricaKamfers Dam, a wetland near Kimberley, South Africa, supports a population of Near Threatened lesser flamingos Phoeniconaias minor. The cyanobacterium Arthrospira fusiformis (Voronikhin) Komarek and Lund 1990, the flamingos’ food source, was in bloom in April 2009. The city's wastewater... -
Breeding biology and nestling development of the Grasshopper Buzzard
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: R Buij --- Institute of Environmental Sciences, The Netherlands K Kortekaas --- Institute of Environmental Sciences, The Netherlands I Folkertsma --- Institute of Environmental Sciences, The Netherlands M van der Velde --- Behavioural Ecology and Self-organization, Centre for Ecological and Evolutionary Studies, The Netherlands J Komdeur --- Behavioural Ecology and Self-organization, Centre for Ecological and Evolutionary Studies, The Netherlands HH de Iongh --- Institute of Environmental Sciences, The NetherlandsResearch into the effect of environmental variables on reproductive success of tropical raptors is often constrained by the lack of information on breeding biology. We provide the first detailed information of the breeding biology and nestling development of the Grasshopper... -
Treatment Effects on Annual and Dry Period Streamflow at Cathedral Peak
Item type: Journal Article • Journal: South African Forestry Journal • Authors: J.M. Bosch --- Department of Forestry,Total annual streamflow and dry season flows of treated catchments at Cathedral Peak, Natal, were compared and related to those of index catchments. -
An Integrated System for Forest Management and Silvicultural Planning and Control in South African State Forestry
Item type: Journal Article • Journal: South African Forestry Journal • Authors: H.W. Kassier --- Forest Management Division, Department of Water Affairs, Forestry and Environmental Conservation,A computerised plantation analysis system (COMPAS) for commercial plantation management, planning and control is described and illustrated. Present uses in South African State forestry and future development of the system are discussed. -
Management of Short Rotation Coppice Crops of Eucalyptus grandis Hill ex Maiden
Item type: Journal Article • Journal: South African Forestry Journal • Authors: J.A. Stubbings --- , A. P.G. Schönau --- ,Results are given of three experiments in the summer rainfall region of the Republic of South Africa which were designed to compare in short rotations the survival, growth, form and final timber yields of the parent seedling crop of E... -
Overland Flow on Small Plots at the Jonkershoek Forestry Research Station
Item type: Journal Article • Journal: South African Forestry Journal • Authors: D.B. Versfeld --- Department of Environment Affairs,Overland flow was found to be negligible on small plots at Jonkershoek in the Western Cape. Treatments such as the burning or hoeing of fynbos and the thinning of a plantation had no significant effect on this phenomenon and the... -
The Effect of Long Term Stratification on the Germination of Pinus Pinaster Ait
Item type: Journal Article • Journal: South African Forestry Journal • Authors: D. G.M. Donald --- ,Trials to determine the effect of long term stratification on Pinus pinaster seed subjected to periods of room temperature storage following cold storage and cold storage only indicated that the former could reduce viability of the seedlots. Dormancy of all... -
An interdisciplinary method to harmonise ecology, economy and co-management: fisheries exploitation in Lake Nabugabo, Uganda
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: I Vaccaro --- Department of Anthropology and McGill School of Environment, Canada CA Chapman --- Department of Anthropology and McGill School of Environment, Canada EA Nyboer --- Department of Biology, Canada M Luke --- McGill School of Environment, Canada A Byekwaso --- National Fisheries Resources Research Institute, Uganda C Morgan --- McGill School of Environment, Canada D Mbabazi --- National Fisheries Resources Research Institute, Uganda D Twinomugisha --- Makerere University Biological Field Station, Uganda LJ Chapman --- Department of Biology, CanadaCollective action theory predicts that natural resource management at a local level has a higher probability of success if territoriality and jurisdiction of the managerial institution are in synchrony with mobility and territoriality of the resource and exploitation patterns of... -
Hybridisation between native Oreochromis species and introduced Nile tilapia O. niloticus in the Kafue River, Zambia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AM Deines --- Notre Dame Environmental Change Initiative, and Department of Biological Sciences, USA I Bbole --- The Copperbelt University, Zambia C Katongo --- The Copperbelt University, Zambia JL Feder --- Notre Dame Environmental Change Initiative, and Department of Biological Sciences, USA DM Lodge --- Notre Dame Environmental Change Initiative, and Department of Biological Sciences, USAThe Nile tilapia Oreochromis niloticus has been introduced throughout Africa outside its native range for aquaculture purposes. Hybridisation between escaped O. niloticus and native Oreochromis species is of concern due to potential negative effects on wild genetic resources for conservation,... -
Spatial variability of macrozoobenthic diversity on tidal flats of the Niger Delta, Nigeria: the role of substratum
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: N Zabbey --- Department of Animal Science and Fisheries, Nigeria AI Hart --- Department of Animal and Environmental Biology, NigeriaBaseline community assemblages and diversity of macrozoobenthic infauna in soft-bottomed intertidal flats at Bodo Creek on the upper reaches of the Andoni–Bonny estuarine system were determined spatially and in relation to sediment particle characteristics for two years from May 2006... -
A SYSTEM DYNAMICS MODEL OF PART OF THE PONGOLO RIVER FLOODPLAIN: DEVELOPMENT AND WATER MANAGEMENT POLICY ANALYSIS
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: A.K. Drewes --- ,The issue of allowing the timing, duration and magnitude of a flood release to be determined by man has led to a wide spectrum of viewpoints as to which values of these parameters are most suitable for the Pongolo River... -
A RULE-BASED ECOSYSTEM MODEL FOR THE MANAGEMENT OF LAKE ST LUCIA
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: R.H. Taylor --- , South Africa B.P. Farm --- Dept. of Ecology and Behavioural Biology, United States of America A.M. Starfield --- Dept. of Ecology and Behavioural Biology, United States of AmericaLand transformations in the catchments of Lake St Lucia have altered the hydrology of the system and increased management is now needed to counteract these changes. There are several management options available, but prior to implementing them we must be... -
WATER QUALITY MODELLING PERCEPTIONS OF A WATER RESOURCE MANAGEMENT ORGANIZATION
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: H.D. Furness --- Scientific Services Division, South Africa W.N. Richards --- Scientific Services Division, South AfricaThe use of models by the South African water industry is discussed. It is suggested that climatic conditions and existing legislation have influenced the formulation of models. Future model requirements by the water Industry are outlined. Changes are suggested which... -
FUTURE CHALLENGES IN WATER QUALITY MODELLING WITH PARTICULAR REFERENCE TO OPERATIONALLY CLOSED CATCHMENTS
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: S.F. Forster --- Department of Water Affairs, South Africa F.A. Stoffberg --- Department of Water Affairs, South Africa J.A. van Rooyen --- Department of Water Affairs, South AfricaAs a result of the declining quality of many water sources, the use of water quality models in planning is increasing. To date applications have involved the simulation of total dissolved salts and nutrients, largely in catchments affected by urban... -
Science and Fisheries Management in Southern Africa and Europe©
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A. I. L. Payne R. C. A. BannisterCase studies on southern African sardine and anchovy, Cape hake and West Coast rock lobster off southern Africa are described and compared with North Sea herring and cod, and Nephrops in European waters. The comparison shows that, in Europe, despite... -
Commercial Fishing Rights Allocation in Post-apartheid South Africa: Reconciling Equity and Stability
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: H. Kleinschmidt W. H. H. Sauer P. BritzThe fundamental policy and regulatory framework for a post-apartheid dispensation to manage commercial fisheries in South Africa was put in place with the publication of the White Paper on Marine Fisheries Policy in 1997, and the enactment of the Marine... -
Evaluation of Participation in and Management of the Transkei Shore Linefishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: B. Q. Mann A. M. McDonald W. H. H. Sauer T. HechtBoth roving creel and aerial surveys were used to quantify fishing effort along the former Transkei coast. A stratified random sampling procedure was used during shore patrols to assess catch and effort, and a questionnaire survey provided information on total... -
A Statistical Model for Stock Assessment of Southern Bluefin Tuna with Temporal Changes in Selectivity
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D. S. Butterworth J. N. Ianelli R. HilbornAssessment of the status of southern bluefin tuna (SBT) by Australia and Japan has used a method (ADAPT) that imposes a number of structural restrictions, and is similar to methods used for a number of stocks world-wide. A flexible method... -
Climatology and Variability of Sea Surface Temperature and Surface Chlorophyll in the Benguela and Agulhas Ecosystems As Observed by Satellite Imagery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: H. Demarcq R. G. Barlow F. A. ShillingtonA climatology of satellite-derived sea surface semperature (SST) and surface chlorophyll a concentration (Chl), and their associated variability at time-scales from weeks to years, was constructed for the Benguela and Agulhas ecosystems. Global area coverage data at 4.5 km spatial... -
Under-reporting of Catches of South Coast Rock Lobster Palinurus Gilchristi, with Implications for the Assessment and Management of the Fishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J. C. GroeneveldUnder-reporting of fishery catches can severely affect the precision of stock assessment estimates, which require accurate information on catch and catch rate. Under-reporting of catches of South Coast rock lobster Palinurus gilchristi over the past decade was estimated from verified... -
Population, Breeding, Diet and Conservation of the Crozet Shag Phalacrocorax [atriceps] Melanogenis at Marion Island, 1994/95–2002/03
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R. J. M. Crawford J. Cooper B. M. Dyer A. C. Wolfaardt D. Tshingana K. Spencer S. L. Petersen J. L. Nel D. G. Keith C. L. Holness B. Hanise M. D. Greyling M. Du ToitThe number of Crozet shags or cormorants Phalacrocorax [atriceps] melanogenis breeding at subantarctic Marion Island decreased by 68% from 841 pairs in 1994/95 to 272 pairs in 2002/03. The mean number of pairs at colonies also decreased and was significantly... -
Ecosystem approach to fisheries management in the southern Benguela: a workshop overview
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L. J. Shannon K. L. Cochrane C. L. Moloney P. FréonA workshop was held in Cape Town in December 2002 to introduce the concept of an ecosystem approach to fisheries (EAF) management in the southern Benguela, and to examine the options for implementing an EAF in South Africa. The workshop... -
An ecosystem approach to fisheries in the southern Benguela context
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K. L. Cochrane C. J. Augustyn A. C. Cockcroft J. H. M. David M. H. Griffiths J. C. Groeneveld M. R. Lipińnski M. J. Smale C. D. Smith R. J. Q. TarrThe 2001 Reykjavík Declaration on Responsible Fisheries in the Marine Ecosystem and the Plan of Implementation of the 2002 World Summit on Sustainable Development highlighted the need in fisheries to look beyond considering only the target species and to consider... -
A brief introduction to some approaches to multispecies/ecosystem modelling in the context of their possible application in the management of South African fisheries
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D. S. Butterworth É. E. PlagányiAspects of the potential application of multispecies/ecosystem modelling to advise the management of South African fisheries are discussed. In general, reliable predictive ability from such models is likely to be achieved sooner for top predators, because relatively fewer links need... -
An ecosystem framework for fisheries management in the southern Benguela upwelling system
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L. J. Shannon C. L. MoloneyA "four-step framework" for applying ecosystem approaches to fisheries management in the southern Benguela is proposed. First, static ecosystem models can be used to highlight important interactions by assessing the net trophic impacts of each species on all the others... -
Ecosystem approach to fisheries management in the northern Benguela: the Namibian experience
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J-P. Roux L. J. ShannonThe northern Benguela marine resources have a long history of questionable management primarily because of the limitations of management measures under the political framework of the time (either free access or under an international authority with no national representation, authority... -
Lessons learnt from a comparison of three ecosystem models for Port Phillip Bay, Australia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: E. A. Fulton A. D. M. SmithComparing multiple models applied to the same system can be highly instructive, both with regard to the system of interest and the models. In this case, three ecosystem simulation models (ECOSIM, Bay Model 2 [BM2] and the Integrated Generic Bay... -
A critical look at the potential of Ecopath with ecosim to assist in practical fisheries management
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: É. E. Plagányi D. S. ButterworthEcosystem-orientated thinking is increasingly incorporated into fishery management. Given the complexity of ecosystem processes, there is a need to evaluate the tools used to steer this thinking critically. ECOPATH with ECOSIM (EwE), an aggregate system-modelling package, is currently the most... -
Review of indicators in fisheries management – a development perspective
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: P. Degnbol A. JarreA review of indicators for an ecosystem approach to fisheries management is presented, focusing on multispecies fisheries and limited resources for assessments and implementation, as often is the case in developing countries. Emphasizing the need to link indicators to management... -
Is there a single stock of Merluccius paradoxus in the Benguela ecosystem?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L BurmeisterThe deep-water Cape hake, Merluccius paradoxus, is one of two hake species found off South Africa and Namibia. In the past it was assumed that there were separate stocks of M. paradoxus off Namibia, and off the west and south... -
The biology and distribution of the monkfish Lophius vomerinus off South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SA Walmsley RW Leslie WHH SauerThe monkfish Lophius vomerinus is economically the most important bycatch species in the South African demersal hake fishery. To assist in the development of a bycatch management plan for the species, age and growth characteristics, reproductive and feeding biology, and... -
Limits to the use of environmental indices to reduce risk and/or increase yield in the South African anchovy fishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JAA De Oliveira DS ButterworthEnvironmental indices that provide short-term predictions of recruitment have the potential to improve the average yield from highly productive resources that sustain recruit fisheries without an associated increase in risk (of resource 'collapse'). This is particularly true for cases where... -
Seasonal variation in phytoplankton in the southern Benguela: pigment indices and ocean colour
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R Barlow H Sessions M Balarin S Weeks C Whittle L HutchingsPigment indices and satellite imagery were used to investigate the seasonal variation in phytoplankton in the southern Benguela, with the aid of monthly monitoring on two transect lines. Sea surface temperature images revealed the similarity in thermal conditions during autumn,... -
An economic comparison of the commercial and recreational linefisheries in Namibia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Stage CH KirchnerThe most important Namibian linefish species, the silver kob Argyrosomus inodorus, is currently heavily exploited, and in order to ensure its survival catch restrictions are being introduced. However, kob are exploit ed oth by recreational anglers and by commercial vessels,... -
Stock separation and life history of Argyrozona argyrozona (Pisces: Sparidae) on the South African east coast
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SL Brouwer MH GriffithsFishery independent biomass surveys and commercial linefish catch returns were used to elucidate the spatial patterns of carpenter Argyrozona argyrozona distributed along the South African continental shelf. Two distinct areas of abundan ce ere determined, one on the central and... -
Validation of the periodicity of opaque zone formation in the otoliths of four temperate reef fish from South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WM Potts PD CowleyAn oxytetracycline (OTC) marker was used to validate the periodicity of opaque zone deposition in the otoliths of Chrysoblephus laticeps, Cheimerius nufar, Cymatoceps nasutus (Sparidae) and Dichistius capensis (Dichistiidae) in the wild. Fish were injected with OTC and tagged with... -
Management of Argyrozona argyrozona (Pisces: Sparidae) in South Africa based on per-recruit models
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SL Brouwer MH GriffithsCarpenter Argyrozona argyrozona is an endemic sparid that constitutes an important component of the South African linefishery between Cape Agulhas and Port Alfred, where it exists as two stocks; one on the central Agulhas Bank and the other on the... -
The taxonomy and growth of a Crypthecodinium species (Dinophyceae) isolated from a brackish-water fish aquarium
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MW Parrow M Elbrächter MK Krause JM Burkholder NJ Deamer N Htyte EH AllenAn unidentified heterotrophic dinoflagellate found growing in abundance in a brackish-water fish aquarium was isolated and serially cultivated using a fish cell line as the food source. Prominent characteristics of this dinoflagellate included a cingulum that did not fully encircle... -
A bloom of Dinophysis acuta in a thin layer off North-West Portugal
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MT Moita L Sobrinho-Gonçalves PB Oliveira S Palma M FalcãoDinophysis acuta, which is responsible for diarrhetic shellfish poisoning, reached particularly high concentrations on the north-west coast of Portugal in 2003. In the Ría de Aveiro (40°41'N), the species reached a maximum concentration of 5.0 × 104 cells l−1 on... -
Impact of tropical storms and drought on the dinoflagellates Karlodinium micrum and Prorocentrum minimum in estuarine rivers of North Carolina, USA
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: EE FensinThe dinoflagellates Karlodinium micrum and Prorocentrum minimum are harmful algal bloom taxa from different parts of the world. They are routinely documented in estuarine rivers in North Carolina, but there have been no known toxic outbreaks of these taxa in... -
Life-cycle stages of Dinophysis acuminata (Dinophyceae) in the Baltic Sea
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Hajdu U LarssonDespite many observations of different life-cycle stages of Dinophysis species, the complete life history of the genus is still unknown owing to the difficulties encountered in culturing these species. The seasonal distribution of D. acuminata was followed at two offshore... -
Cysts of potentially harmful dinoflagellates, with emphasis on the genus Alexandrium, in Sepetiba Bay (Brazil) during a port survey of GloBallast
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: VB Juliano VMT GarciaSepetiba Bay in south-eastern Brazil has been selected as a pilot demonstration site within the Global Ballast Water Management Programme (GloBallast; IMO/PNUD/GEF). As part of the port baseline survey, a series of 43 sediment cores was taken in triplicate in... -
Sneaking under the toxin surveillance radar: parasitism and sterol content
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AR Place HR Harvey X Bai DW CoatsParasitic dinoflagellates of the genus Amoebophrya infect and kill bloom-forming dinoflagellates, including the toxic species Karlodinium micrum. Strains of K. micrum produce cytotoxic compounds (KmTX) that render cell membranes permeable to a range of small ions and molecules, resulting in... -
The effects of physiology and behaviour on the near-bottom distributions of Kareniabrevis on the West Florida shelf: a numerical study
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GA Sinclair D KamykowskiThe distribution of near-bottom populations of Karenia brevis depends on both cell physiology and behaviour. The migration distance of cells, and the subsequent exposure to light, may vary as a result of the nocturnal uptake of nitrate. The adaptive advantage... -
Phylogenetic diversity of bacteria associated with toxic and non-toxic strains of Alexandrium minutum
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Palacios B Reguera J Franco I MarínMarine planktonic dinoflagellates are usually associated with bacteria, some of which seem to have a symbiotic relation with the dinoflagellate cells. The role of bacteria in dinoflagellate life cycles is not well known and their influence on toxin production is... -
Towards the declaration of a large marine protected area: a subtidal ichthyofaunal survey of the Pondoland coast in the Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BQ Mann L Celliers ST Fennessy S Bailey AD WoodA subtidal marine ichthyofaunal survey was carried out on shallow reefs (1–30m deep) in the Pondoland region between the Mtamvuna River and Port St Johns in the Eastern Cape, South Africa. The purpose of this survey was to provide the... -
Comparison of assemblages and some life-history traits of seabirds in the Humboldt and Benguela systems
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RJM Crawford E Goya J-P Roux CB ZavalagaThere are 21 and 15 species of seabirds that breed in the Humboldt and Benguela upwelling systems respectively. Only two species of gull are common to both systems, one as an endemic subspecies to the Benguela system. Eleven species and... -
A knowledge base for management of the capital-intensive fishery for small pelagic fish off South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TP Fairweather M Hara CD van der Lingen J Raakjær LJ Shannon GG Louw P Degnbol RJM CrawfordAs a contribution to South Africa's move towards an ecosystem approach to fisheries management, this study explores the existence of common perceptions about South Africa's pelagic fishery between resource users and scientists. It represents a collaborative research effort of social... -
Regionally coherent trends in colonies of African penguins Spheniscus demersus in the Western Cape, South Africa, 1987–2005
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: LG Underhill RJM Crawford AC Wolfaardt PA Whittington BM Dyer TM Leshoro M Ruthenberg L Upfold J VisagieFrom 1987 to 2005, numbers of African penguins Spheniscus demersus breeding in South Africa's Western Cape Province increased by about 50%. Numbers decreased at the four northernmost colonies in the region: Lambert's Bay and the three colonies in Saldanha Bay,... -
Life-history strategies of Umbrina robinsoni (Sciaenidae) in warm-temperate and subtropical South African marine reserves
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Hutchings --- Zoology Department and Marine Biology Research Centre, South Africa MH Griffiths --- Department of Environmental Affairs and Tourism, South AfricaBiological data for Umbrina robinsoni were obtained from fish sampled monthly during 2001–2002 by shore-angling in the warm-temperate De Hoop Marine Protected Area (MPA) (n = 312), and by means of spearfishing during three trips (May, September and January 2001–2002)... -
A spatial- and age-structured assessment model to estimate the impact of illegal fishing and ecosystem change on the South African abalone Haliotis midae resource
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ÉE Plagányi --- Department of Mathematics and Applied Mathematics, South Africa DS Butterworth --- Department of Mathematics and Applied Mathematics, South AfricaThe management of abalone stocks worldwide is complicated by factors such as illegal fishing combined with the difficulties of assessing a sedentary (but not immobile) resource that is often patchily distributed. The South African abalone Haliotis midae fishery is faced... -
The biology, life history and management needs of a large sciaenid fish, Argyrosomus coronus, in Angola
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WM Potts --- Department of Ichthyology and Fisheries Science, PO Box 94, South Africa WHH Sauer --- Department of Ichthyology and Fisheries Science, PO Box 94, South Africa R Henriques --- School of Biological Sciences, UK S Sequesseque --- , Angola CV Santos --- , Angola PW Shaw --- School of Biological Sciences, UKThe West Coast dusky kob Argyrosomus coronus is an understudied yet important fishery species in Angola. During a five-year study (2005–2009), the species was recorded in all fishery sectors, but was most important in the inshore recreational fishery in southern... -
Assessment of South African Umbrina robinsoni based on per-recruit models
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Hutchings --- Zoology Department and Marine Biology Research Centre, South Africa MH Griffiths --- Ministry of Fisheries, New ZealandSlender baardman Umbrina robinsoni are an important component of recreational shore-angler and spearfisher catches along the eastern seaboard of South Africa. Stocks of U. robinsoni at three sites—False Bay, Stil Bay and the KwaZulu-Natal (KZN) coast—were modelled using a per-recruit... -
Assessment and management of Cape horse mackerel Trachurus capensis off Namibia based on a fleet-disaggregated age-structured production model
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Kirchner --- Ministry of Fisheries and Marine Resources, Namibia G Bauleth-D’Almeida --- Ministry of Fisheries and Marine Resources, Namibia MR Wilhelm --- Ministry of Fisheries and Marine Resources, NamibiaThe Cape horse mackerel stock off Namibia is assessed using a fleet-disaggregated age-structured production model including historical International Commission for the Southeast Atlantic Fisheries (ICSEAF) and current data. Data from acoustic biomass surveys, on commercial catch per unit effort and... -
Alongshore distribution and abundance of fish larvae off the coast of Kenya
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J.M. Mwaluma --- , Kenya B. Kaunda-Arara --- Department of Fisheries and Aquatic Sciences, Kenya J. Rasowo --- Department of Biological Sciences, KenyaKnowledge is limited on the fish larval assemblage in shallow lagoonal reefs along the Kenyan coast. Fish larvae from five lagoons, spanning 120 km on the Kenyan coast, were sampled in March 2007 and April 2008 to compare interannual spatial... -
Aspects of the biology and fisheries of an economically important sparid Dentex macrophthalmus (Bloch 1791) in the Namibe province, Angola
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WM Potts --- Department of Ichthyology and Fisheries Science, PO Box 94, South Africa LA Inácio --- , Angola CV Santos --- , Angola TJ Richardson --- Department of Ichthyology and Fisheries Science, PO Box 94, South Africa WHH Sauer --- Department of Ichthyology and Fisheries Science, PO Box 94, South AfricaThe sparid Dentex macrophthalmus is a widespread, important fishery species along most of the West African coast from southern Namibia to the Mediterranean. In southern Angola it is an important artisanal species targeted predominantly by handline fishers. A biological and... -
An investigation of the effect of temporal variation in growth rate of Umbrina robinsoni on biological reference point estimates calculated using per-recruit models
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Hutchings --- Department of Zoology and Marine Biology Research Centre, South Africa MH Griffiths --- Ministry of Fisheries, New Zealand SJ Lamberth --- Branch Fisheries, Department of Agriculture, Forestry and Fisheries, South AfricaThe effect of temporal variation in growth rate on per-recruit model outputs was investigated by comparing biological reference points obtained using growth curves derived for Umbrina robinsoni populations from False Bay, on the south coast of South Africa, sampled 10... -
Modelling regime shifts in the southern Benguela: a frame-based approach
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MD Smith --- Marine Research (MA-RE) Institute and Zoology Department, South Africa A Jarre --- Marine Research (MA-RE) Institute and Zoology Department, South AfricaThis study explores the usefulness of a frame-based modelling approach in the southern Benguela upwelling ecosystem, with four frames describing observed small pelagic fish dominance patterns. We modelled the dynamics of sardine Sardinops sagax and anchovy Engraulis encrasicolus populations under... -
An alternative method for estimating the status of resident reef fish stocks, based on differential fishing effort across a marine reserve boundary
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Götz --- Elwandle Node, South Africa SE Kerwath --- Branch Fisheries, Department of Agriculture, South Africa CG Attwood --- Marine Research Institute, Zoology Department, South Africa WHH Sauer --- Department of Ichthyology and Fisheries Science, South AfricaThe stock status of roman Chrysoblephus laticeps was estimated in the Goukamma, a temperate South African marine protected area (MPA). Standardised catch per unit effort (CPUE) from a controlled angling survey on both sides of the MPA border was employed... -
Assessment of current data for the octopus resource in Rodrigues, western Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WHH Sauer --- Department of Ichthyology and Fisheries Science, South Africa W Potts --- Department of Ichthyology and Fisheries Science, South Africa D Raberinary --- , UK J Anderson --- , Mauritius MJ Sylvio Perrine --- , RodriguesThe annual catch of octopus in the Rodrigues Lagoon, located east/north-east of Mauritius, has dropped by almost half since 1994. This has prompted concern over the resource and has initiated an assessment of the current status of the stock. The... -
Comparison of the population structure and life-history parameters of Diplodus capensis (Sparidae) in exploited and unexploited areas of southern Angola
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TJ Richardson --- Department of Ichthyology and Fisheries Science, PO Box 94, South Africa WM Potts --- Department of Ichthyology and Fisheries Science, PO Box 94, South Africa CV Santos --- , Angola WHH Sauer --- Department of Ichthyology and Fisheries Science, PO Box 94, South AfricaBlacktail seabream Diplodus capensis were sampled from proximate (10 km apart) exploited and unexploited areas in southern Angola to compare their population structures and life-history parameters. Females dominated the larger size and older age classes in the unexploited area. In... -
Prey capture success and chick diet of Damara terns Sterna balaenarum in Namibia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Braby --- Animal Demography Unit, Department of Zoology, South Africa LG Underhill --- Animal Demography Unit, Department of Zoology, South Africa RE Simmons --- Percy FitzPatrick Institute of African Ornithology, Department of Zoology, South AfricaFeeding terns are affected by a variety of environmental conditions. We studied prey capture success of Damara terns Sterna balaenarum in relation to six variables at two breeding colonies in southern Namibia: tidal phase, wind speed, water clarity, cloud cover,... -
Prioritising range-wide scientific monitoring of the Cape fur seal in southern Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SP Kirkman --- Department of Environmental Affairs, South Africa WH Oosthuizen --- Department of Environmental Affairs, South Africa MA Meÿer --- Department of Environmental Affairs, South Africa SM Seakamela --- Department of Environmental Affairs, South Africa LG Underhill --- Department of Zoology, South AfricaThe range of the Cape fur seal Arctocephalus pusillus pusillus population largely coincides with the region of the cold, nutrient-rich Benguela Current Large Marine Ecosystem (BCLME) adjoining the west coast of South Africa, Namibia and Angola. Range-wide scientific monitoring of... -
A characterisation of the paddle-ski fishery in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BQ Mann --- , South Africa P Pradervand --- , South Africa JQ Maggs --- , South Africa S Wintner --- , South AfricaThe KwaZulu-Natal (KZN) paddle-ski fishery in South Africa consists mainly of light-weight fishing kayaks operated by a single fisher in the marine nearshore environment. The social, economic, management and fisheries parameters of this sector were investigated during the period December... -
The biology of Barnard's dentex, Dentex barnardi (Teleostei: Sparidae), in southern Angola
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TJ Richardson --- Department of Ichthyology and Fisheries Science, South Africa WM Potts --- Department of Ichthyology and Fisheries Science, South Africa WHH Sauer --- Department of Ichthyology and Fisheries Science, South AfricaBarnard's dentex Dentex barnardi is a relatively slow-growing, late-maturing species with an intermediate longevity (maximum recorded age = 13 years). The length and age structures of the population were similar for males and females; however, the sex ratio was female... -
Validation of growth zone deposition rate in otoliths and scales of flathead mullet Mugil cephalus and freshwater mullet Myxus capensis from fish of known age
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BR Ellender --- Department of Ichthyology and Fisheries Science, South Africa GC Taylor --- Department of Ichthyology and Fisheries Science, South Africa OLF Weyl --- , South AfricaFlathead mullet Mugil cephalus and freshwater mullet Myxus capensis are important components in South African estuarine fish communities and fisheries, but there is little information on their age and growth or age validation. This study validated the periodicity of growth... -
Evidence of deep genetic divergence between populations of an important recreational fishery species, Lichia amia L. 1758, around southern Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R Henriques --- Centre for Ecology, Evolution and Behaviour, School of Biological Sciences, UK WM Potts --- Department of Ichthyology and Fisheries Science, South Africa WHH Sauer --- Department of Ichthyology and Fisheries Science, South Africa PW Shaw --- Institute of Biological, Environmental and Rural Sciences (IBRS), UKLichia amia is an important coastal recreational fishery species with a cosmopolitan distribution in the eastern Atlantic. In southern Africa, it is distributed from southern Angola to northern KwaZulu-Natal in South Africa. A recent biological survey revealed differences between Angolan... -
Thirty years of monitoring traditional fish trap catches at Kosi Bay, KwaZulu-Natal, South Africa, and management implications
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R Kyle --- , South AfricaThe catches of the traditional fish traps in the Kosi Bay estuarine lakes were monitored over a 30-year period from 1981 to 2010. Monitoring data were used to provide estimates of, and insights into, catch size and species composition as... -
A spatio-temporal assessment of the Trachinotus botla shore-fishery in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D Parker --- Department of Ichthyology and Fisheries Science, South Africa AJ Booth --- Department of Ichthyology and Fisheries Science, South Africa BQ Mann --- , South AfricaThe shore-fishery for Trachinotus botla in KwaZulu-Natal appears to be in a stable state. A per-recruit assessment showed that the species is currently underexploited (spawner biomass-per-recruit = 75% of pristine levels) and that fishing mortality could theoretically be increased. The... -
Quantifying the degree of protection afforded by a no-take marine reserve on an exploited shark
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C da Silva --- Fisheries Research, Department of Agriculture, South Africa SE Kerwath --- Fisheries Research, Department of Agriculture, South Africa CG Attwood --- Marine Research Institute, Zoology Department, South Africa EB Thorstad --- , Norway PD Cowley --- , South Africa F Økland --- , Norway CG Wilke --- Fisheries Research, Department of Agriculture, South Africa TF Næsje --- , NorwaySharks have been shown to benefit from the protection of marine protected areas (MPAs). There is, however, little information on the degree of protection by MPAs to shark populations. The movements of individual smoothhound sharks Mustelus mustelus in, and adjacent... -
Identifying management preferences, institutional organisational rules, and their capacity to improve fisheries management in Pemba, Mozambique
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TR McClanahan --- , USA JE Cinner --- ARC Centre of Excellence for Coral Reef Studies, Australia C Abunge --- , USAThe potential to improve the management of fisheries in Pemba, Mozambique, were explored by evaluating stakeholder's preferences for management and the key institutional design elements of the fisheries organisations or community councils of fisheries (CCPs). We interviewed fishers, community leaders... -
The trouble with estuarine fisheries in temperate South Africa, illustrated by a case study on the Sundays Estuary
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PD Cowley --- South African Institute for Aquatic Biodiversity, South Africa A-R Childs --- South African Institute for Aquatic Biodiversity, South Africa RH Bennett --- South African Institute for Aquatic Biodiversity, South AfricaThis study provides empirical data on the exploitation of fishery resources on the Sundays Estuary on the south-east coast of South Africa. Total annual effort was estimated at 63 785 angler-hours, which accounted for an annual yield of 16 214... -
Assessing stocks in data-poor African fisheries: a case study on the white grouper Epinephelus aeneus of Mauritania
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: B Meissa --- , Mauritanie D Gascuel --- , France E Rivot --- , FranceThe lack of reliable stock assessment for numerous exploited stocks in West Africa often results from poor-quality data, high multi-specificity of captures, and the heterogeneity of exploitation methods. However, many signs of overexploitation exist, particularly for demersal resources, highlighting the... -
Diversity and coverage of seagrass ecosystems in south-west Madagascar
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JMO Hantanirina --- , UK S Benbow --- , UKSeagrass meadows provide important nursery and feeding grounds for many commercially valuable fish species. Here, we address the paucity of published information on the status of seagrasses in Madagascar by documenting the results from ecological surveys of 11 seagrass beds... -
The effects of barotrauma on five species of South African line-caught fish
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SE Kerwath --- Fisheries Research, Department of Agriculture, South Africa CG Wilke --- Fisheries Research, Department of Agriculture, South Africa A Götz --- Elwandle Node, South African Environmental Observation Network (SAEON), South AfricaManagement measures for South African line-caught fish include output controls such as closed seasons, bag and size limits and no-take moratoria. The main condition for these measures to be effective is that undesirable catches can be successfully released. However, most... -
Can anchovy age structure be estimated from length distribution data collected during surveys?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C L de Moor --- Marine Resource Assessment and Management Group (MARAM), Department of Mathematics and Applied Mathematics, South Africa D S Butterworth --- Marine Resource Assessment and Management Group (MARAM), Department of Mathematics and Applied Mathematics, South Africa J C Coetzee --- Branch Fisheries Management, Department of Agriculture, South AfricaHistorically, a time-series of proportions-at-age 1 from annual November hydro-acoustic surveys has been used to inform the assessment of, and in particular the choice of appropriate values for juvenile and adult natural mortality for, the South African anchovy Engraulis encrasicolus... -
South Africa's coastal-breeding white-breasted cormorants: population trends, breeding season and movements, and diet
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RJM Crawford --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa RM Randall --- South African National Parks, South Africa PA Whittington --- East London Museum, South Africa L Waller --- CapeNature, South Africa BM Dyer --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa DG Allan --- Durban Natural Science Museum, South Africa C Fox --- Ezemvelo-KZN Wildlife, South Africa AP Martin --- Department of Zoology, South Africa L Upfold --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa J Visagie --- CapeNature, South Africa S Bachoo --- Ezemvelo KZN Wildlife, South Africa M Bowker --- School of Life Sciences, South Africa CT Downs --- School of Life Sciences, South Africa R Fox --- Addo Elephant National Park, South African National Parks, South Africa J Huisamen --- CapeNature, South Africa AB Makhado --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa WH Oosthuizen --- Branch: Oceans and Coasts, Department of Environmental Affairs, South Africa PG Ryan --- Percy FitzPatrick Institute of African Ornithology, South Africa RH Taylor --- School of Life Sciences, South Africa JK Turpie --- Anchor Environmental Consultants, South AfricaWhite-breasted cormorants Phalacrocorax [carbo] lucidus breed around South Africa's coast and at inland localities. Along the coasts of the Northern, Western and Eastern Cape provinces, numbers breeding were similar during the periods 1977–1981 (1 116 pairs at 41 localities) and... -
Lessons learnt from experimental temporary octopus fishing closures in south-west Madagascar: benefits of concurrent closures
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Benbow --- Blue Ventures Conservation, Level 2 Annex, UK F Humber --- Blue Ventures Conservation, Level 2 Annex, UK TA Oliver --- Blue Ventures Conservation, Level 2 Annex, UK KLL Oleson --- Blue Ventures Conservation, Level 2 Annex, UK D Raberinary --- Blue Ventures Conservation, Level 2 Annex, UK M Nadon --- Blue Ventures Conservation, Level 2 Annex, UK H Ratsimbazafy --- Blue Ventures Conservation, Level 2 Annex, UK A Harris --- Blue Ventures Conservation, Level 2 Annex, UKThis paper presents evidence of the fisheries effect of experimental temporary fishing closures for Octopus cyanea in the then-emergent Velondriake Locally Managed Marine Area (LMMA) in south-west Madagascar during 2004–2006. We present an analysis of the O. cyanea catch data... -
Diet and prey selection in late-stage larvae of five species of fish in a temperate estuarine nursery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: NA Strydom --- Department of Zoology, South Africa K Sutherland --- Department of Zoology, South Africa TH Wooldridge --- Department of Zoology, South AfricaThe plankton assemblage of the permanently open Sundays Estuary in South Africa was sampled seasonally to provide further information on the feeding ecology of the larval stages of fishes in temperate estuaries. Collections were made between winter 2007 and autumn... -
Pelagic fish species assemblages in the southern Benguela
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GG Louw --- Branch: Fisheries Management, Department of Agriculture, South Africa P Fréon --- CRHMT [Tropical Fish and Mediterranean Research Center], France G Huse --- Institute of Marine Research, Norway MR Lipiński --- Department of Ichthyology and Fisheries Science, South Africa JC Coetzee --- Branch: Fisheries Management, Department of Agriculture, South AfricaPatterns in the co-occurrence of small pelagic fish species within single shoals were investigated using data from 6 814 throws of commercial purse-seiners in South Africa. Assuming that the throw composition reflected the true composition of the assemblage, it was... -
Differential Factors of Efficiency in the Management of Solid Waste in the City of Tshwane, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yohannes Worku --- , South Africa Mammo Muchie --- , South AfricaThe objective was to investigate factors that affect the efficient management of solid waste produced by commercial businesses operating in the City of Pretoria, South Africa. Data were gathered from 1,034 businesses. Efficiency in solid waste management was assessed using... -
Inclusive Growth and Institutions: An Analysis of the Employment Structure of India's Tea Plantation Sector
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Namrata Thapa [d858062e18]It is generally held that though the Indian economy has been experiencing high growth in the post-reform period, it is not inclusive and that certain sectors, regions and population of the country are being excluded from the benefits of growth... -
ICT Adoption, Capabilities Development and Innovation Processes in Argentina: An Employment Approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Marta Novick --- Under-Secretary for Technical Planning and Labor Studies, Ministry of Labor, Sebastian Rotondo --- Analyst, Employment and Business Dynamics Observatory, Under-Secretariat for Technical Planning and Labor Studies of the Ministry of Labor, Gerardo Breard --- Under-Secretary for Technical Planning and Labor Studies, Ministry of Labor,The discussion on innovation and the adoption of new information and communication technologies (ICT) and their impact on economic growth and development have flared up in the past few years. This debate has become increasingly relevant mostly in emerging countries... -
Simultaneous growth and yield models for Eucalyptus grandis (Hill) Maiden plantations in Zimbabwe
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Danaza Mabvurira --- Plantations Silviculture Research, Zimbabwe Jari Miina --- Faculty of Forestry, FinlandSimultaneous stand-level growth and yield models for Eucalyptus grandis in Zimbabwe were developed from Correlated Curve Trend (CCT) and NeIder wheel experiments replicated on five different sites. Nonlinear three-stage least squares method was used to simultaneously fit prediction and projection... -
Farmers' tree planting and access to germplasm in the southern highlands of Tanzania
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Anders Aalbaek --- Department of Economics and Natural Resources,This article examines the effects ofinsufficient availability of planting material on farmers' tree planting in the southern highlands ofTanzania. Patterns in scale of farmers' tree planting, species preferences, and experienced availability of planting material are investigated and compared with past... -
The influence of site factors on nitrogen mineralization in forest soils of the Mpumalanga escarpment area: South africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: J.H. Louwa --- , M. Scholes --- School of Animal, Plant & Environmental Sciences,The complex biophysical environmental conditions that occur in South Mrican forestry plantations prompt appropriate guidelines for nutrient management applications. Nutrient budget studies in plantation ecosystems indicated a negative nitrogen (N) balance on many sites. Empirical fertilizer trails have shown that,... -
The estimation of the growing stock of eucalypt plantation forests, based on spectral signatures of satellite imagery, in South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Christoph Kätsch --- Faculty of Forestry, Germany Anthonie van Laar --- Faculty of Forestry,The present study deals with the application of spectral signatures, obtained from multispectral satellite images, in order to obtain regression estimates for the timber volume per unit area. The studies were carried out in South African Eucalyptus plantations. The grayscale... -
Management of insect pests: Have the goalposts changed with certification?
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Prem Govender --- Department of Zoology and Entomology, Forestry and Agricultural Biotechnology Institute, Republic of South AfricaThe certification of commercial forestry according to the Forest Stewardship Council specifications has successfully occurred in many South Mrican plantations and this trend is set to increase in the future. Various principles and criteria govern the management of insect pests... -
Guidelines for the design and management of artificial raptor perches and nest-tree stands on forestry estates in South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: G. Malan --- Department of Nature Conservation Pretoria Technikon, A.vN. Marais --- Biological Diversity Services,The aim of this paper is to provide timber growers with silvicultural guidelines for the establishment of raptor perches and nest stands on forestry estates. Rodents do extensive damage to young saplings and as an ecologically friendly alternative to rodenticides,... -
Site and stand age effects on fertiliser responses in Pinus patula pulpwood plantations in Swaziland
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Andrew R. Morris --- Sappi Forests Research: Shaw Research Centre,Six fertiliser trials were establishedin separate stands in their 4th , 7th or 12th year on both granite and gabbro derived soils intheUsutu Forest, Swaziland. All trials compared the same factorial combination ofN, P and K fertilisers. Tree growth response... -
Does soil compaction on harvesting extraction roads affect long-term productivity of Eucalyptus plantations in Zululand, South Africa?
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Colin W. Smith --- ,The effect ofsoil compaction on the growth of Eucalyptusgrandis and two clonal hybrids (Eucalyptus grandis x urophylla (E. gxu) and Eucalyptus grandis x camaldulensis (E. gxc)) was evaluated on harvesting extraction roads at three sites in the Zululand region ofKwaZulu-Natal... -
Organic matter fuel briquettes as a forest conservation tool in Lake Malawi National Park
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: S. Rantala --- WWF Finland, Finland T. Tyynelä --- MTT Agrifood Research, Finland M. Vickers --- , USAEnvironmental degradation including deforestation is of great concern in the whole of sub-Saharan Africa, even in many protected areas. One of them is Lake Malawi National Park (LMNP), which encases the most populated village in Malawi, Chembe. The rise in... -
Some notes on the effect of wet-storage on timber
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: F.S. Malan --- Komatiland Forests Pty Ltd, AfricaThe storage of logs under water sprays has proved to be a highly effective method to preserve logs over prolonged periods against drying defects and infestation by staining fungi. Wet-storage has little effect on wood quality apart from some degradation... -
Analysis of differences in field performance of vegetatively andseed-propagated Eucalyptus varieties II: vertical uprooting resistance
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MEO Mokotedi --- School of Biological and Conservation Sciences, Biological Sciences Building, South Africa MP Watt --- School of Biological and Conservation Sciences, Biological Sciences Building, South Africa NW Pammenter --- School of Biological and Conservation Sciences, Biological Sciences Building, South AfricaThe aim of this study was to establish whether roots of micropropagated Eucalyptus grandis× E. nitens differ in their vertical uprooting resistance and architecture when compared with those of macropropagated E. grandis× E. nitens and seed-propagated E. grandis and E... -
Die-back of kiaat (Pterocarpus angolensis) in southern Africa: a cause for concern?
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JWM Mehl --- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), DST/NRF Centre of Excellence in Tree Health Biotechnology (CTHB), Faculty of Natural and Agricultural Sciences, South Africa CJ Geldenhuys --- Department of Forest and Wood Science, South Africa J Roux --- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), DST/NRF Centre of Excellence in Tree Health Biotechnology (CTHB), Faculty of Natural and Agricultural Sciences, South Africa MJ Wingfield --- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), DST/NRF Centre of Excellence in Tree Health Biotechnology (CTHB), Faculty of Natural and Agricultural Sciences, South AfricaPterocarpus angolensis (kiaat) is a well-known southern African tree species of commercial importance that occurs in several vegetation types in the Zambezian regional centre of endemism. The most prominent of these vegetation types are the Zambezian miombo woodland and undifferentiated... -
The impact of community-based forest management on timber treeregeneration in north-eastern Honduras, with specific reference tobig-leaf mahogany (Swietenia macrophylla)
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: M Kukkonen --- Department of Biological and Environmental Sciences, FinlandReduced-impact logging is used to minimise the negative effects of selective logging. However, it has been suggested that low-impact logging may create too little disturbance for the regeneration of the light-demanding timber tree species, hence compromising forest productivity. This study... -
The pitch canker fungus, Fusarium circinatum: implications for South African forestry
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: RG Mitchell --- York Timbers, Tree Breeding Division, South Africa ET Steenkamp --- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), South Africa TA Coutinho --- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), South Africa MJ Wingfield --- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), South AfricaFusarium circinatum, the causal agent of pitch canker of mature pines and root/collar rot of pine seedlings/cuttings, has resulted in large-scale losses to pine forestry in various parts of the world. The disease caused by this fungus is now regarded... -
Pruning quality affects infection of Acacia mangium and A. crassicarpa by Ceratocystis acaciivora and Lasiodiplodia theobromae
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: M Tarigan --- Department of Microbiology and Plant Pathology, Tree Protection Co-operative Programme, Forestry and Agricultural Biotechnology Institute, South Africa MJ Wingfield --- Department of Microbiology and Plant Pathology, Tree Protection Co-operative Programme, Forestry and Agricultural Biotechnology Institute, South Africa M van Wyk --- Department of Genetics, Tree Protection Co-operative Programme, Forestry and Agricultural Biotechnology Institute, South Africa B Tjahjono --- , Indonesia J Roux --- Department of Microbiology and Plant Pathology, Tree Protection Co-operative Programme, Forestry and Agricultural Biotechnology Institute, South AfricaPruning (singling) is a common silvicultural practice in commercial Acacia plantations because these trees tend to have multiple stems. The wounds resulting from pruning are susceptible to infection by pathogens. Ceratocystis acaciivora and Lasiodiplodia theobromae have been shown recently to... -
Comparisons between laboratory and field results of frost tolerance of pines from the southern USA and Mesoamerica planted as exotics
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: GR Hodge --- Department of Forestry and Natural Resources, USA WS Dvorak --- Department of Forestry and Natural Resources, USA ME Tighe --- Department of Forestry and Natural Resources, USAAn artificial freezing study was conducted with 14 pine species and varieties from Mexico and Central America, and the southern and western USA. The pines chosen represented major commercial plantation species in the Southern Hemisphere such as Pinus caribaea var... -
Local community perception of joint forest management and its implications for forest condition: the case of Dambwa Forest Reserve in southern Zambia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: M Phiri --- Forestry Department, Zambia Forest Research Division, Zambia PW Chirwa --- Faculty of Natural and Agricultural Sciences, South Africa S Watts --- , South Africa S Syampungani --- School of Natural Resources, ZambiaThis study conducted at Dambwa Forest Reserve in Livingstone, Zambia, evaluated the perception of local people about joint management of the forest reserve in the area and if there had been improvements to the livelihoods of the community and the... -
Development of site index curves for Pinus kesiya in the Philippines
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: RIC Lumbres --- Department of Forest Resources, Korea YJ Lee --- Department of Forest Resources, Korea YO Seo --- Department of Forest Resources, Korea FG Calora --- , PhilippinesThis study was conducted to develop a height–age growth model and site index curves for site quality evaluation of old secondary-growth stands of Pinus kesiya in the northern Philippines. The Chapman-Richards growth function was used in the guide curve method... -
Can early thinning and pruning lessen the impact of pine plantations on beetle and ant diversity in the Patagonian steppe?
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JC Corley --- Grupo de Ecología de Poblaciones de Insectos, Argentina JM Villacide --- Grupo de Ecología de Poblaciones de Insectos, Argentina M Vesterinen --- Grupo de Ecología de Poblaciones de Insectos, ArgentinaPine plantations are thought to negatively impact species diversity and to irreversibly modify arid zones. However, some studies have suggested that through the application of appropriate management practices, the negative impacts of plantations may be reduced. Our aim was to... -
Development and validation of stem volume models for Pinus kesiya in Benguet province, Philippines
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Roscinto IanC Lumbres --- Department of Forest Resources, Korea Young Jin Lee --- Department of Forest Resources, KoreaStem volume equations (overbark) were developed, using established volume equation forms, and validated using a subset of the data collected for Pinus kesiya in Benguet province, Philippines. A total of 481 trees from Pinus kesiya stands in Benguet were measured... -
A model to predict productivity of different chipping operations
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MohammadR Ghaffariyan --- , Australia Raffaele Spinelli --- , Italy Mark Brown --- , AustraliaThe chipping operation is an important component of harvesting systems producing biomass and pulp chips. This paper aimed to develop a valid model to predict the productivity of chipping as part of these operations. Over a number of years more... -
A review of management impacts on the soil productivity of South African commercial forestry plantations and the implications for multiple-rotation productivity
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Louis Titshall --- Institute for Commercial Forestry Research, South Africa Steven Dovey --- Institute for Commercial Forestry Research, South Africa Diana Rietz --- Institute for Commercial Forestry Research, South AfricaAn overview of southern African research that has investigated the impact of management practices that can potentially affect the long-term site productivity of plantations is presented, with an emphasis of these impacts on soil productivity and with the implications for... -
Stand structure and regeneration of harvested Araucaria araucana–Nothofagus stands in central Chile
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Rafael M Navarro-Cerrillo --- DendrodatLab, Departamento de Ingeniería Forestal, Spain Fernando Olave --- Corporación Nacional Forestal, Chile Francisco Moreno --- DendrodatLab, Departamento de Ingeniería Forestal, Spain Sergio de Miguel --- Faculty of Science and Forestry, Finland Margarita Clemente --- Departamento de Ciencias y Recursos Agrícolas y Forestales, SpainIn this study we examined the current structure and regeneration status of mixed Araucaria araucana–Nothofagus spp. stands that had been logged 20 years ago. We measured stand density of saplings, juvenile and adult trees, as well as stand basal area... -
The role of the forestry industry for the success of community forestry: a comparative input–output analysis across India and the Philippines
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Jungho Suh --- Geography, Environment and Population, AustraliaThis paper uses the 'input–output analysis' technique to investigate why the Joint Forest Management program in India has expanded while the uptake of the Community-based Forest Management program in the Philippines has been relatively slow. The forward linkage of the... -
HIV- and AIDS-related (mis)perceptions and (non)responses of school principals in the Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Lesley Wood Paul WebbDespite various HIV and AIDS training programmes offered for educators by the South African Department of Education, little has been achieved at the level of management in terms of creating a wider understanding of the social and cultural complexities of... -
Building partnerships to support community-led HIV/AIDS management: a case study from rural South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Yugi Nair Catherine CampbellThe importance of partnerships between marginalised communities and support agencies (from the public sector, private sector and civil society) is a pillar of HIV/AIDS management policy. Such alliances are notoriously difficult to promote and sustain. We present a case study... -
The role of pregnancy intention in HIV prevention in South Africa: a proposed model for policy and practice
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: MarjorieR Sable KayM Libbus Debra Jackson Harry HauslerMother-to-child transmission is a continuing source of new HIV infections in South Africa. The paper posits that insight into the socio-cultural, behavioural, environmental and economic factors that sustain the HIV epidemic is as important as understanding the biological causes of... -
Representations of HIV/AIDS management in South African newspapers
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Catherine Campbell Andy GibbsIn South Africa, numerous strong policy statements emphasise the importance of involving communities in HIV/AIDS management, yet in practice such involvement tends to be tokenistic and minimal. Social representations in the public sphere constitute the symbolic dimension within which responses... -
Employees' perceptions of the Aid-for-AIDS disease-management programme, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Alan Rothberg Karen Van HuyssteenIt is estimated that 18–20% of South Africa's more than 5 million HIV-positive individuals are formally employed. Disease management programmes for these employees vary in scope and sophistication, with services provided by the employer, or third-party specialist disease managers, or... -
Use and neglect of best-practice HIV/AIDS programme guides by South African companies
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Ronald Whelan David Dickinson Tessa MurrayNumerous guidelines set out best-practice policies for HIV/AIDS interventions in the workplace. This study analysed 14 recognised codes and guidelines to gain an understanding of the theoretical consensus regarding the key components of best-practice workplace HIV/AIDS interventions. Nine key components... -
Bridging the gap between VCT and HIV/AIDS treatment uptake: perspectives from a mining-sector workplace in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Anil Bhagwanjee Inge Petersen Olagoke Akintola Gavin GeorgeThis qualitative study sought to understand users' perceptions of the voluntary counselling and testing (VCT) and HIV-treatment services offered by a mining company in South Africa, with the intention of making recommendations to improve the rates of uptake. A purposive... -
Data-protection standards and confidentiality of HIV/AIDS status in the workplace — a South African case study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Zuzanna Muskat-GorskaThe article contextualises an emerging new regime for information privacy in South Africa (i.e. the draft Protection of Personal Information Bill). Subsequently, it discusses the possibility of successful implementation of international data-protection standards in an environment where there is an... -
Couples' communication on sexual and relational issues among the Akamba in Kenya
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Ann Neville Miller Lenette Golding Kyalo wa Ngula MaryAnne Wambua Evans Mutua MaryN Kitizo Caroline Teti Nancy Booker Kinya Mwithia DonaldL RubinA large portion of HIV transmission in sub-Saharan Africa occurs among married couples, yet the majority of research on safer-sex communication has focused on communication between couples in casual relationships. This paper explores how committed Kamba couples in Machakos District,... -
Recommendations for communication to enhance informed consent and enrolment at multilingual research sites
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Claire Penn --- Health Communication Project, School of Human and Community Development, South Africa Melanie Evans --- Health Communication Project, School of Human and Community Development, South AfricaLanguage issues can affect HIV and AIDS research trial enrolment, but little is understood about variables in this process. Some evidence indicates barriers exist even when the trial enrollers are linguistically and culturally matched to the participants and when consent... -
Anthropological perspectives on the challenges to monitoring and evaluating HIV and AIDS programming in Lesotho
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: David Turkon --- Department of Anthropology, United States David Himmelgreen --- Department of Anthropology, United States Nancy Romero-Daza --- Department of Anthropology, United States Charlotte Noble --- Department of Anthropology, United StatesThis article focuses on how numerous international nongovernmental organisations (INGOs) have stepped forward to provide services related to HIV and AIDS prevention and treatment in Lesotho. We highlight some widely recognised challenges associated with the INGO approach and describe how... -
Artistic activities and cultural activism as responses to HIV/AIDS in Harare, Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Susan Pietrzyk --- Department of Anthropology, United StatesOver the last two decades both the number and types of civil-society-led organisations involved in addressing HIV and AIDS have increased dramatically. In many cases, the work undertaken is thoughtfully researched, appropriately focused, and as a result produces positive outcomes... -
A preliminary survey and analysis of the spatial distribution of aquatic invertebrates in the Okavango Delta, Botswana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: HelenF Dallas Belda MosepeleThe spatial distribution of aquatic macroinvertebrates in the Okavango River Delta, Botswana, was investigated during the low-water period in February 2003. This complements an earlier study undertaken during high-water in June 2000. Seventy-five samples were taken in a range of... -
Movements of, and habitat utilisation by, threespot tilapia Oreochromis andersonii (Teleostei: Cichlidae) in the Upper Zambezi River, Namibia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Finn Økland ClintonJ Hay TorF Næsje Ben Chanda EvaB ThorstadMovements of and habitat utilisation by radio-tagged threespot tilapia (body length 25–50cm) were studied in the Upper Zambezi River between 23 November 2000 and 8 May 2001. Although utilising a relatively large stretch of river (average 5.4km) during the study... -
Temporal trends in total phosphorus, temperature, oxygen, chlorophyll a and phytoplankton populations in Hartbeespoort Dam and Roodeplaat Dam, South Africa, between 1980 and 2000
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: CarinE van Ginkel MichaelJ SilberbauerEutrophication, phytoplankton blooms and changes to the phytoplankton composition are some of the problems facing the managers of Hartbeespoort Dam and Roodeplaat Dam. Trends, both decreasing and increasing, are visible in the phosphorus concentrations, temperatures, dissolved oxygen concentrations and chlorophyll... -
Heavy metals in the water and sediments of Oued Es-Souk, Algeria, a river receiving acid effluents from an abandoned mine
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Chahrazed BoukhalfaThe Sidi Kamber Mine, abandoned since 1976, is still a source of acidic drainage entering the Oued Es-Souk River. An investigation of the rate of pollution of the Oued Es-Souk and the variation of its water quality showed that the... -
The effect of fish predation on benthic macroinvertebrates in a seasonal stream in north-western Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Albert Chakona Brian Marshall Luc BrendonckThe cumulative impact of the entire fish assemblage on benthic macroinvertebrate assemblages was investigated over four months in a removal experiment in isolated pools that persist through the dry season, in an intermittent stream in north-western Zimbabwe. Macroinvertebrate taxonomic richness... -
Juncus kraussii harvesting in Umlalazi Nature Reserve, KwaZulu-Natal, South Africa: socio-economic aspects and sustainability
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: CatherineH TraynorHarvesting of the rush Juncus kraussii Hochst. for use as a fibre source in craftwork production was investigated within Umlalazi Nature Reserve in KwaZulu-Natal Province, South Africa. The main objectives of the study were as follows: to determine the distribution... -
Maturity, age and growth of Oreochromis karongae (Teleostei: Cichlidae) in Lakes Malawi and Malombe, Malawi
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Fanuel Kapute Emmanuel Kaunda Moses Banda Sinshuke MoriokaSize-at-50% maturity, age and growth, of Oreochromis (Nyasalapia) karongae ('chambo') in Lakes Malawi and Malombe were studied. Oreochromis karongae, a major component of the chambo species flock, attained 50% maturity at 225 mm TL in Lake Malawi and at 203... -
Impact of winter flow regulation on pest-level populations of blackfly (Diptera: Simuliidae) and non-target faunal communities in a South African river
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NA Rivers-Moore FC de MoorThe mid-reaches of the Great Fish River in the Eastern Cape Province of South Africa experience regular outbreaks of the pest blackfly Simulium chutteri as a direct consequence of increased flows caused by an inter-basin transfer scheme. There are opportunities... -
Fish community response to increased river flow in the Kariega Estuary, a freshwater-deprived, permanently open southern African system
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PD Vorwerk PW Froneman AW Paterson AK WhitfieldThe littoral and demersal ichthyofaunal community structure in the freshwater-deprived, permanently open Kariega Estuary was investigated following heavy rain in November 2006 and was compared to low-flow condition data from 1991 and 1996. All surveys took place during the spring... -
Nature and pattern of lagoon fisheries resource utilisation and their implications for waterbird management in coastal Ghana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: F Gbogbo W Oduro SK OppongSeasonal patterns in human fisheries resource utilisation and the capture characteristics of fish, swimming crabs and land crabs harvested from four coastal lagoons in Ghana between September 2005 and August 2007 are described. These are discussed in relation to sustainable... -
The importance of estuarine-derived carbon for the nearshore marine environment: studies on two contrasting South African estuaries
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PD Vorwerk --- Department of Zoology and Entomology, South Africa PW Froneman --- Department of Zoology and Entomology, South AfricaThe food web structure within and adjacent to two permanently open estuaries with contrasting flow regimes along the south-eastern coast of South Africa was investigated employing stable isotope analysis. The Kariega Estuary is considered a freshwater-deprived system, while the Great... -
Zooplankton composition, abundance and distribution in selected south and west coast estuaries in South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PH Montoya-Maya --- Department of Ichthyology and Fisheries Science, South Africa NA Strydom --- , South AfricaIn order to contribute to the understanding of estuarine zooplankton dynamics in cool-temperate systems, zooplankton samples were collected by plankton tows, using two modified WP2 nets, in nine estuaries on the south and west coasts of South Africa, seasonally between... -
Ecological integrity assessment of the fish assemblages of the Matigulu/Nyoni and Umvoti estuaries, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: GC O'Brien --- Centre for Aquatic Research, Zoology Department, South Africa R Swemmer --- Centre for Aquatic Research, Zoology Department, South Africa V Wepener --- Centre for Aquatic Research, Zoology Department, South AfricaThe estuarine fish community index (EFCI) and an estuarine fish guild assessment (EFGA) were used in 2004 and 2008 to determine the ecological state and effects of selected ecosystem variables on the Umvoti and Matigulu/Nyoni estuaries. The EFCI indicated that... -
Application of a direct toxicity assessment approach to assess the hazard of potential pesticide exposure at selected sites on the Crocodile and Magalies rivers, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: TM Ansara-Ross --- Centre for Aquatic Research, Department of Zoology, South Africa V Wepener --- Centre for Aquatic Research, Department of Zoology, South Africa PJ van den Brink --- Department of Aquatic Ecology and Water Quality Management, The Netherlands MJ Ross --- Centre for Aquatic Research, Department of Zoology, South AfricaThe potentially hazardous effects of agricultural pesticide usage in the Crocodile (west) Marico catchment were evaluated using the Danio rerio and Daphnia pulex lethality, Selenastrum capricornutum growth inhibition and the Ames mutagenicity plate incorporation assays. Hazard assessment categories are proposed... -
Blood lactate levels as a biomarker for angling-induced stress in tigerfish Hydrocynus vittatus from the Okavango Delta, Botswana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NJ Smit --- Centre for Aquatic Research, Department of Zoology, South Africa G Howatson --- Centre for Aquatic Research, Department of Zoology, South Africa R Greenfield --- Centre for Aquatic Research, Department of Zoology, South AfricaAlthough critical in catch-and-release angling, no data are available on angling-induced stress in African gamefish. Blood lactate levels were used as a biomarker for angling-induced metabolic stress in tigerfish caught by angling in the Okavango Delta, Botswana. Blood was drawn... -
Application of a fish health assessment index and associated parasite index to Clarias gariepinus (Teleostei: Clariidae) in the Vaal River system, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D Crafford --- Department of Zoology, South Africa A Avenant-Oldewage --- Department of Zoology, South AfricaThe aim of this study was to determine if the fish health assessment index (HAI) developed in the USA and associated parasite index (PI), when applied to Clarias gariepinus at two localities in the upper and middle Vaal River system,... -
Further notes on age of first breeding, plumage and biometrics of kelp gulls in South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PA WhittingtonAdult kelp gulls Larus dominicanus vetula were caught at the nest in the Eastern Cape region of South Africa, in October and November 2006 using a 'walk-in' trap. In all, 13 previously ringed birds were re-trapped and a known-aged colour-ringed... -
Reproduction in the viviparous South African clinid fish Fucomimus mus
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: HG MoserDescription of the reproductive anatomy, histology and seasonality of reproduction of the viviparous clinid fish, Fucomimus mus, was based on a collection of 227 specimens from various intertidal localities off the south-east coast of South Africa. Males produce sperm throughout... -
Population structure and growth of polydorid polychaetes that infest cultured abalone Haliotis midae
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CA Simon AJ BoothPolydorid polychaetes can infest cultured abalone thereby reducing productivity. In order to effectively control these pests, their reproductive biology must be understood. The population dynamics and reproduction of polydorids infesting abalone Haliotis midae from two farms in South Africa is... -
Development of fishery indicators for local management initiatives — a case study for Plettenberg Bay, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MKS Smith CM King WHH Sauer PD CowleyIn attempts to achieve sustainability, ecosystem-based approaches to fisheries management are becoming increasingly applicable. Indicators to assess the success of management measures are an important component of this approach. Data from a recreational linefishery are used to develop and propose... -
Merluccius capensis spawn in Namibian waters, but do M. paradoxus?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: P Kainge OS Kjesbu A Thorsen AG SalvanesSpawning time and areas, and the length of the spawning season of shallow-water (Merluccius capensis) and deep-water (M. paradoxus) hake, were investigated from bottom trawl collections taken in Namibian waters between September 1998 and October 2000 and from August to... -
Developing a policy and operational protocol for the formation of new commercial fisheries in South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Oosthuizen WHH Sauer CJ AugustynThe development of new fisheries is one of the few options open to support the demands of South Africans for increased commercial access to their marine resources. Globally, the development of most new fisheries has been far from sustainable. Typically,... -
Sustainability and present-day approaches to fisheries management — are the two concepts irreconcilable?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GM Pilling AIL PayneSustainability may be defined as the maintenance of the quality, diversity and availability of fishery resources in sufficient quantities for present and future generations. But how do modern management systems aim to achieve this in the face of natural fluctuations... -
Assessment of the charter-boat fishery in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: P Pradervand R van der ElstThe South African KwaZulu-Natal charter-boat fishery was assessed by means of a socio-economic questionnaire survey and catch inspections during the period August 2003–November 2004. In all, 38 charter operators were interviewed and 135 catch inspections undertaken. Of a total of... -
Using baseline biological and ecological information to design a Traffic Light Precautionary Management Framework for leerfish Lichia amia (Linnaeus 1758) in southern Angola
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WM Potts WHH Sauer A-R Childs ADC DuarteThe coastline of southern Angola is sparsely populated and, largely because of a protracted civil war, has very lightly exploited inshore fish stocks. This has provided the almost unprecedented opportunity to determine prefishing-state reference points and to implement management strategies... -
Few fish but many fishers: a case study of shore-based recreational angling in a major South African estuarine port
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: LE Beckley ST Fennessy BI EverettRichards Bay is a subtropical estuary that has been extensively dredged to accommodate one of Africa's largest commercial ports. In the non-commercial areas of the harbour, shore-based angling is a popular recreational activity, but little is known about the anglers... -
The effect of marine protected areas on an exploited population of sex-changing temperate reef fish: an individual-based model
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SE Kerwath A Götz CG Attwood WHH SauerThe effect of two marine protected areas (MPAs) on roman Chrysoblephus laticeps (Sparidae), an exploited reef-fish species inhabiting the South African temperate south coast, was simulated with a spatially explicit, individual-based model based on geographically correct habitat distribution. The model... -
Records of Fraser's dolphin Lagenodelphis hosei Fraser 1956 from the Gulf of Guinea and Angola
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CR Weir J Debrah PK Ofori-Danson C Pierpoint K Van WaerebeekAlthough Fraser's dolphins Lagenodelphis hosei are considered to inhabit deep tropical waters worldwide, their occurrence in the tropical eastern Atlantic Ocean from the Gulf of Guinea southwards to Angola is only represented by two specimen records from Ghana. During cetacean... -
Estuarine habitat use by juvenile dusky kob Argyrosomus japonicus (Sciaenidae), with implications for management
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PD Cowley SE Kerwath A-R Childs EB Thorstad F Økland TF NæsjeThe spatial and temporal area-use patterns of estuarine-dependent juvenile dusky kob Argyrosomus japonicus in the Great Fish Estuary, South Africa, were examined using acoustic telemetry. In all, 29 individuals (307–400 mm total length) were surgically equipped with individually coded transmitters... -
The effects of ageing biases on stock assessment and management advice: a case study on Namibian horse mackerel
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MR Wilhelm MD Durholtz CH KirchnerWe explore the influence of age-estimation errors on the results of the age-structured production model (ASPM) used for horse mackerel stock assessment in Namibia for the period 1961–2003. The analysis considered age data from eight readers collected during an otolith-reading... -
A history of recent bases for management and the development of a species-combined Operational Management Procedure for the South African hake resource
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RA Rademeyer DS Butterworth ÉE PlagányiThe bases for historical catch limits placed on the hake fishery are reviewed in brief for earlier years and then in some depth over the period from 1991 when the Operational Management Procedure (OMP) approach was introduced for this fishery... -
The artisanal fishery for East Coast rock lobsters Panulirus homarus along the Wild Coast, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: E Steyn PJ Fielding MH SchleyerEast coast rock lobsters Panulirus homarus are collected by the indigenous people of the Wild Coast, in the Eastern Cape, South Africa, and are sold to coastal hotels and holidaymakers. The South African government has proposed a small-scale commercial fishery... -
Selected fishery and population parameters of eight shore-angling species in the Tsitsikamma National Park no-take marine reserve
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Götz PD Cowley H WinkerAn eight-year research angling dataset collected between February 1998 and December 2005 in the Tsitsikamma National Park marine protected area (MPA), along the south-eastern Cape coast of South Africa, was examined to provide estimates of important fishery and population parameters... -
Evaluating seal–seabird interactions in southern Africa: a critical review
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SP KirkmanThrough predation and displacement, the Cape fur seal Arctocephalus pusillus pusillus poses a threat to several seabird species that breed in southern Africa. Measures such as the culling of 'problem' seals have been introduced to negate the effects on these... -
The 'fishery' in South Africa's remaining coastal stonewall fish traps
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: LV Kemp GM Branch CA Attwood SJ LamberthAncient stonewall fish traps along the southern coast of South Africa, known locally as 'vywers', have both cultural and historical significance. Most have been degraded through neglect. Only two sets of vywers are actively maintained and fished, but without legal... -
Size distributions and sex ratios of sharks caught by Oman's artisanal fishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AC Henderson --- Department of Marine Science and Fisheries, College of Agricultural and Marine Sciences, Sultanate of Oman JL McIlwain --- Department of Marine Science and Fisheries, College of Agricultural and Marine Sciences, Sultanate of Oman HS Al-Oufi --- Department of Marine Science and Fisheries, College of Agricultural and Marine Sciences, Sultanate of Oman S Al-Sheile --- Department of Marine Science and Fisheries, College of Agricultural and Marine Sciences, Sultanate of Oman N Al-Abri --- Department of Marine Science and Fisheries, College of Agricultural and Marine Sciences, Sultanate of OmanOman's fishery resources are exploited by artisanal and industrial fisheries, but the former accounts for almost 90% of landings. Within the artisanal fishery, sharks have traditionally been harvested for their flesh, but the development of a valuable export market for... -
Effects of fishing on a temperate reef community in South Africa 1: ichthyofauna
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Götz --- , South Africa SE Kerwath --- Department of Environmental Affairs, South Africa CG Attwood --- Marine Research Institute, Department of Zoology, South Africa WHH Sauer --- Department of Ichthyology and Fisheries Science, South AfricaExploitation of temperate reef fish not only affects the target species but potentially changes the composition of reef fish assemblages. This study investigated the effect of fishing on the ichthyofaunal community at protected and exploited sites around the Goukamma Marine... -
Otoliths and vertebrae as potential hard structures for ageing South African yellowfin tuna Thunnus albacares
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JD Filmalter --- Department of Ichthyology and Fisheries Science, South Africa OLF Weyl --- Department of Ichthyology and Fisheries Science, South Africa W Sauer --- Department of Ichthyology and Fisheries Science, South AfricaSagittal otoliths and vertebrae from 46 yellowfin tuna Thunnus albacares (118-175 cm fork length) collected off the west coast of South Africa were assessed for potential usefulness in age estimation. Growth increments were found on both structures. Comparisons of growth... -
Optimisation of underwater visual census and controlled angling methods for monitoring subtidal temperate reef fish communities
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RH Bennett --- Department of Ichthyology and Fisheries Science, South Africa A Götz --- , South Africa WHH Sauer --- Department of Ichthyology and Fisheries Science, South Africa PD Cowley --- , South Africa RM Palmer --- , South AfricaStandardised sampling protocols for monitoring fish stocks are essential to assess changes in stock status and provide a means to evaluate the effectiveness of fisheries management measures, such as marine protected areas (MPAs). This study aimed to optimise two standard... -
Value and management of the subsistence fishery at Knysna Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: VR Napier --- Percy FitzPatrick Institute of African Ornithology, South Africa JK Turpie --- Percy FitzPatrick Institute of African Ornithology, South Africa BM Clark --- Department of Zoology, South AfricaKnysna Estuary supports an estimated 30 full-time and 200 part-time subsistence fishers involved in bait collection, mud crab harvesting, and fishing. The mud prawn Upogebia africana dominates the bait-fishery, with estimated catches amounting to about 3% of the standing stock,... -
Factors affecting recapture rates of raggedtooth sharks Carcharias taurus tagged off the east coast of South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ML Dicken --- Department of Ichthyology and Fisheries Science, South Africa AJ Booth --- Department of Ichthyology and Fisheries Science, South Africa MJ Smale --- , South AfricaUnderstanding differences in the recapture rate between different tags (A-, B- and C-types), capture methods (rock-and-surf anglers, scientific divers and Natal Sharks Board protection nets) and life-history stages (juvenile and adult) is critical in evaluating the results obtained from cooperative... -
Forage–cattle relationships in a communally managed semi-arid savanna in northern Zululand, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: CC Nyamukanza PF Scogings NW KuneneDevelopment of extensive livestock production in KwaZulu-Natal is constrained by seasonal variability of rangeland production and low forage nutritional quality. A three-year study was implemented to determine the seasonal variation in herbaceous biomass and chemical composition of veld, animal weight,... -
Fermentative characteristics of Digitaria eriantha subsp. eriantha silage harvested at different stages of maturity
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: WA van Niekerk Abubeker Hassen FM BechazAn experiment was conducted to investigate the influence of stage of growth at harvest on fermentative characteristics of Digitaria eriantha subsp. eriantha silage. The treatment included three different growth stages (early vegetative, boot stage and full-bloom stage). The materials were... -
Some thoughts on policy and desertification: what key contributions can scientists make to policy processes in the southern African context?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J Zeidler --- Integrated Environmental Consultants Namibia (IECN), NamibiaTwo types of desertification professionals are typically characterised—the scientist and the policy-maker. After many years of efforts to combat desertification and promote sustainable land management, it is surprising that these diverging perceptions remain so fixed. They prevailed throughout the process... -
Institutions for sustainable land management: reflections on institutional aspects of implementing the UNCCD in South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: G von Maltitz --- Natural Resources and the Environment, South AfricaBy its nature, combating desertification is a complex, multidisciplinary activity that requires coordinated responses at a multitude of levels spanning both scientific disciplines and government departments. In the final analysis, it is at the level of the land user where... -
Prediction models for estimating available fodder of two savanna tree species (Acacia dudgeoni and Balanites aegyptiaca) based on field and image analysis measures
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: P Savadogo B ElfvingBrowse production is difficult to measure non-destructively without some level of subjectivity combined with a lack of accuracy and reproducibility. This study examined the possibility of using ground-based photographs to estimate browse production. Thirty five sample trees of Acacia dudgeoni... -
Influence of molasses additive and moisture level at ensiling on fermentative characteristics of Panicum maximum
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: WA van Niekerk A Hassen FM BechazSilages made from directly cut or wilted Panicum maximum treated with or without molasses, were evaluated to determine fermentative characteristics. The grass was harvested at the boot stage of growth and the material of each treatment was ensiled in separate... -
Communal area grazing strategies: institutions and traditional practices
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: B Moyo S Dube M Lesoli PJ MasikaGrazing strategies found in communal areas are a result of interactions between social, ecological and institutional factors. To understand the processes in operation, and help in improving management, the perceptions of communal people on institutional structures, utilisation patterns and possible... -
Challenges for emerging livestock farmers in Limpopo province, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: ND MacLeod CK McDonald FP van OudtshoornLand redistribution schemes (e.g. Settlement Land Acquisition Grant and Land Redistribution for Agricultural Development) initiated since the mid-1990s in Limpopo province under national land reform programs have sought to introduce a new generation of previously disadvantaged people to commercial livestock... -
Exploring differences of soil quality as related to management in semiarid rangelands in the western Bophirima District, North West province, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AS Moussa L van Rensburg K Kellner A BationoDifferences in land-use management may result in different rangeland condition (soil, vegetation and biodiversity) and productivity. Vegetation condition in contrasting land-use management systems is well documented in semiarid rangelands, but relatively little information is available on soil quality. This study... -
Nitrogen uptake of a perennial ryegrass–white clover pasture following strategic nitrogen fertiliser application during the cool seasons in the Western Cape province, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J Labuschagne MB Hardy GA AgenbagThe effect of four fertiliser nitrogen (N) levels (0, 50, 100 or 150 kg N ha−1) applied as a single dressing in either autumn (late April), early winter (early June), late winter (mid July), early spring (late August) or late... -
Influence of mineral composition and rumen degradability of Atriplex nummularia (Hatfield Select F1) plants on selection preference of sheep
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: WA van Niekerk --- Department of Animal and Wildlife Sciences, South Africa Abubeker Hassen --- Department of Animal and Wildlife Sciences, South Africa LD Snyman --- Department of Animal and Wildlife Sciences, South Africa NFG Rethman --- Department of Plant Production and Soil Science, South Africa RJ Coertze --- Department of Animal and Wildlife Sciences, South AfricaThis study examined intraspecific variation in mineral composition and rumen degradability of Atriplex nummularia plants and the influence on selection preferences of sheep. Individual plants were categorised into high, medium and least preference groups by assessing the order in which... -
Functorial relationships between lattice-valued topology and topological systems
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: J.T. Denniston S.E. RodabaughThis paper investigates functorial relationships between lattice-valued topology (arising from fuzzy sets and fuzzy logic) and topological systems (arising from topological and localic aspects of domains and finite observational logic in computer science). Two such relationships are embeddings from TopSys... -
LULU operators for functions of continuous argument
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Roumen Anguelov Carl RohwerThe LULU operators, well known in the nonlinear multiresolution analysis of sequences, are extended to functions defined on a continuous domain, namely, a real interval. We show that the extended operators replicate the essential properties of their discrete counterparts. More... -
Performance of Eucalyptus dunnii as influenced by vegetation control when felled at nine years in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: KM LittleIn 1997, a trial was initiated to determine the impact of eight vegetation control treatments on the growth of Eucalyptus dunnii Maiden at a warm-temperate site in the KwaZulu-Natal Midlands, South Africa. The treatments included a Weedy and Weed-free check,... -
Forest management educational needs in South African forestry companies
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MG Jacobson C Ham PA AckermanSouth Africa is a world leader in the forest products industry and this industry contributes significantly to the country's economy. Challenges to the industry's future include land reform, water use, global competition, regulations, outsourcing and privatisation (the decreased role of... -
The effect of Sirex noctilio infestation and fire damage on the chemical composition of South African-grown Pinus patula pulpwood
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: M du Plessis NJ le Roux S Gardner-Lubbe JPJ Swart (Change Le to le) T RypstraThe infection and association between the wood wasp Sirex noctilio and the fungus Amylostereum areolatum is responsible for large-scale tree mortality in the Midlands of the KwaZulu-Natal province in South Africa. An exploratory investigation on the effect of the infestation... -
The ecology and management of the Miombo woodlands for sustainable livelihoods in southern Africa: the case for non-timber forest products
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: PW Chirwa S Syampungani CJ GeldenhuysThere is new and increasing emphasis on the contribution of non-timber forest products (NTFPs) to improving the livelihoods of rural communities and therefore the need for sustainable management of forest ecosystems of the Miombo woodlands to ensure the continued availability... -
Perceptions of forest resource use and management in two village communities in the Eastern Cape province, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: NM Gugushe IM Grundy F Theron PW ChirwaRural communities in South Africa are similar to communities in other parts of the developing world in terms of their use and management of natural forest resources as a means of sustaining their livelihoods. Participatory surveys were conducted with communities... -
Estimation of height growth patterns and site index curves for Pinus radiata plantations in New South Wales, Australia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: A HaywoodThe objective of this study was to estimate the mean top height growth patterns and site index curves (base index age 20 years) for Pinus radiata stands grown in New South Wales, Australia. Garcia's stochastic differential equation version of the... -
Screening of topical sterilants for shoot apex culture of Acacia mearnsii
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: IM Thompson MD Laing SL Beck-Pay A FosseyThe surface sterilisation procedure is of integral importance to any micropropagation technique. This process should do the least amount of plant damage, whilst reducing microbial contamination to an acceptable level. The objective of this research was to investigate alternative sterilisation... -
Cryopreservation as a tool for the conservation of Eucalyptus genetic variability: concepts and challenges
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: K Padayachee MP Watt N Edwards DJ MycockAn essential criterion of Eucalyptus tree breeding programmes employed by the commercial forestry sector is the maintenance of potentially important species and genotypes for periods commensurate with field testing. Current methods for this purpose include conservation stands, clonal hedges and... -
Image-based reflectance conversion of ASTER and IKONOS imagery as precursor to structural assessment of plantation forests in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MT Gebreslasie --- School of Environmental Sciences, South Africa FB Ahmed --- School of Environmental Sciences, South Africa JAN van Aardt --- Laboratory for Imaging Algorithms and Systems, Center for Imaging Science, USAReflectance-converted imagery is a requirement for establishing temporally robust remote sensing algorithms, given the reduction of time-specific atmospheric effects. Thus, in this study image-based atmospheric correction methods for ASTER and IKONOS imagery for retrieving surface reflectance of plantation forests in... -
The socioeconomic status of the non-timber forest product subsector in Swaziland
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: CS Dlamini --- Department of Forest and Wood Science, Faculty of Agrisciences, South Africa CJ Geldenhuys --- Department of Forest and Wood Science, Faculty of Agrisciences, South AfricaA wide spectrum of non-timber forest products (NTFPs) generally has a remarkable contribution to the household economy in rural areas. Most communities make a living either through their domestic or commercial use. The objective of this study was to review... -
Why don't our stands grow even faster? Control of production and carbon cycling in eucalypt plantations
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MG Ryan D Binkley JL StapeThe growth of Eucalyptus stands varies several fold across sites, under the influence of resource availability, stand age and stand structure. We describe a series of related studies that aim to understand the mechanisms that drive this great range in... -
Assessing the effects of early silvicultural management on long-term site productivity of fast-growing eucalypt plantations: the Brazilian experience
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JLM Gonçalves JL Stape J-P Laclau J-P Bouillet J RangerEucalyptus is the dominant and most productive planted forest in Brazil, covering around 3.4 million ha for the production of charcoal, pulp, sawtimber, timber plates, wood foils, plywood and for building purposes. At the early establishment of the forest plantations,... -
Health and nutrition of plantation eucalypts in Asia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: B Dell G Hardy T BurgessUnderstanding site fertility constraints has lifted productivity of eucalypt plantations in East and South-east Asia through targeted application of inorganic fertilisers. Whilst most attention has been given to the supply of nitrogen and phosphorus in silvicultural prescriptions, and inoculation with... -
Empowering Academics the Viskerian Way
Item type: Journal Article • Journal: South African Journal of Philosophy • Authors: Johannes L van der Walt --- Faculty of Education Sciences, Ferdinand J Potgieter --- , Charl C Wolhuter --- ,Academics and/or scholars increasingly feel that their academic voice (combined or individual) has been squelched by the demands of performativity in its various guises, and resultantly, that they have been caught up in a process of steady disempowerment. Rather, it... -
Effect of water trophic level on the impact of the water hyacinth moth Niphograpta albiguttalis on Eichhornia crassipes
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: K Canavan --- Department of Zoology and Entomology, South Africa JA Coetzee --- Department of Zoology and Entomology, South Africa MP Hill --- Department of Zoology and Entomology, South Africa ID Paterson --- Department of Zoology and Entomology, South AfricaEutrophication contributes to the proliferation of alien invasive weed species such as water hyacinth Eichhornia crassipes. Although the South American moth Niphograpta albiguttalis was released in South Africa in 1990 as a biological control agent against water hyacinth, no post-release... -
Growth rates of alien Oreochromis niloticus and indigenous Oreochromis mortimeri in Lake Kariba, Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PC Chifamba --- Department of Biological Sciences, Zimbabwe JJ Videler --- Centre for Ecological and Evolutionary Studies, The NetherlandsGrowth rates of indigenous Oreochromis mortimeri and alien Oreochromis niloticus from Lake Kariba were estimated from samples collected in 1997–2000, 2003–2005 and 2010–2011. Growth zones on scales and otoliths of O. niloticus and on the otoliths and opercula of O... -
The development of an expert system for arid rangeland management in central Namibia with emphasis on bush thickening
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: David Joubert --- Nature Conservation, Namibia Ibo Zimmermann --- Nature Conservation, Namibia Jens Fendler --- Nature Conservation, Namibia Heike Winschiers-Theophilus --- Nature Conservation, Namibia Friedrich P Graz --- Nature Conservation, Namibia Nico Smit --- Animal, Wildlife and Grassland Sciences, South Africa M Timm Hoffman --- Plant Conservation Unit, Botany Department, South AfricaAn online decision support system derived from research and expert knowledge was developed for arid rangeland management in central Namibia. The expert system emphasises the control of bush thickening and is divided into three forms of decisions: adaptive, reactive and... -
Sub-Optimal Management of Type 2 Diabetes Mellitus—A Local Audit
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: AM Klisiewicz --- Department of Medicine, Division of Endocrinology and Metabolism, F Raal --- Department of Medicine, Division of Endocrinology and Metabolism,Background: Despite increased awareness of risk factors for coronary artery disease and randomized trial data supporting comprehensive diabetic care, these risk factors continue to be largely ignored in patients with type 2 diabetes mellitus. -
Management of type 2 diabetes mellitus for general practitioners
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: AM Klisiewicz --- Department of Internal Medicine, KRL Huddle --- Department of Internal Medicine,A 55-year-old Asian man presents with a history of intense thirst, polyuria, blurring of vision and weight loss over a period of several weeks. He is obese with a waist circumference of 110 cm and a body mass index (BMI)... -
Diagnosis and management of Addison's disease: insights gained from a large South African cohort
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: IL Ross --- Division of Endocrinology, NS Levitt --- Division of Endocrinology,The prevalence of Addison's disease in South Africa is lower than in Western countries. This is concerning, since patients could be dying, undiagnosed. Enhanced awareness of this highly treatable condition is warranted. The epidemiology, aetiology, clinical presentation, screening and management... -
Communication in diabetes management: overcoming the challenges
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: P Diab --- Department of Rural Health,Medicine is both a science and an art; a delicate balancing act of scientific diagnostic reasoning and management on the one hand, and the development and nurturing of a relationship with another person, on the other. Patients seek a healthcare... -
Diabetes guidelines and clinical practice: is there a gap? The South African cohort of the International Diabetes Management Practices Study
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: A Amod --- , W Riback --- Endocrinology, Thrombosis and Anti-Infectives, Sanofi-Aventis, HS SchoemanObjectives: The objective of this survey was to determine the therapeutic management of patients with diabetes in the South African private healthcare environment. -
Recommendations for the acute and long-term medical management of low-trauma hip fractures
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: B Cassim --- Department of Geriatrics, S Lipschitz --- Private Practice, F Paruk --- Division of Medicine, B Tipping --- Division of Geriatric Medicine, Department of Medicine,Hip fractures are the most serious complication of osteoporosis and are associated with high morbidity and mortality. Generally, patients who sustain osteoporotic hip fractures are older adults who have a number of co-morbid diseases which predispose them to perioperative complications,... -
A challenging case of hypercalcaemia
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: V Ueckermann --- Department of Internal Medicine, -
The usage and efficacy of a combination analgesic preparation
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: M Raff --- Pain management unit, South AfricaCombination analgesics are frequently prescribed for the treatment of a multitude of conditions. Many of these preparations contain agents with no proven analgesic efficacy. We examined 3059 patients using a new combination agent containing only paracetamol, codeine, and ibuprofen. It... -
Clinical challenges in the co-management of diabetes mellitus and tuberculosis in southern Africa
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: MJA Reid --- Perleman School of Medicine, University of Pennsylvania, USA N McFadden --- Perleman School of Medicine, University of Pennsylvania, USA BM Tsima --- School of Medicine, University of Botswana, BotswanaOver the past 20 years, tuberculosis incidence in southern Africa has increased at an alarming rate, fuelled primarily by the human immunodeficiency virus epidemic. The emerging prevalence of diabetes mellitus in the region represents a new threat to tuberculosis control... -
The implementation of guidelines in a South African population with type 2 diabetes
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Y Pinchevsky --- Department of Pharmacy and Pharmacology, N Butkow --- Department of Pharmacy and Pharmacology, FJ Raal --- Division of Endocrinology and Metabolism, Faculty of Health Sciences, T Chirwa --- Division of Epidemiology and Biostatistics,Objective: The aim of this study was to identify the treatment gaps that pertain to risk factors in South African patients with type 2 diabetes mellitus, using national treatment guidelines. -
Perioperative care of a pregnant trauma victim: a review of anesthetic considerations
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: KM Kuczkowski --- Departments of Anesthesiology and Reproductive Medicine, USA -
Advances in obstetric anesthesia: ambulation during labor with combined spinal-epidural analgesia
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: KM Kuczkowski --- Departments of Anesthesiology and Reproductive Medicine, USAEpidural analgesia is widely considered as the most effective method of providing pain relief in labor. However, epidural labor analgesia is not a generic procedure and many technical modifications have been invented over time. Continuous search for a balanced labor... -
LMA CTrach™—Results of our first experience with the fiberoptic intubating laryngeal mask airway in 80 patients
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: P Hilbert --- Department of Anesthesiology, Intensive Care and Emergency Medicine, Germany M Birkmeier --- Department of Anesthesiology, Intensive Care and Emergency Medicine, Germany R Stuttmann --- Department of Anesthesiology, Intensive Care and Emergency Medicine, GermanyWe report on our initial clinical experience with the new LMA CTrach™. The intention was to evaluate its suitability in the routine anaesthetic working environment. Method: After inducing general anesthesia and muscle relaxation, the CTrach™ was used in elective patients,... -
Acute subarachnoid haemorrhage and the mysterious electrocardiogram
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: D Nevin --- Department of Anaesthesia, South Africa D Lines --- Department of Anaesthesia, South AfricaSubarachnoid haemorrhage (SAH) is a devastating neurological insult, and is increasingly understood as a multi-system condition initiated in the central nervous system. Perioperative investigation of patients presenting for aneurysm surgery often includes a routine electrocardiogram (ECG) which frequently reveals an... -
Anaesthetic management of a patient with thoracopagus
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: S Kiran --- Department of Anaesthesiology and Critical Care, India KP Kaur --- Department of Anaesthesiology and Critical Care, India KNR Rattan --- Department of Paediatric Surgery, India SK Rattan --- Department of Paediatric Surgery, IndiaWe report the case of a 10-day-old male child weighing 3.5 kg, with mass over the sternal region, a set of four limbs and an omphalocoele that had undergone surgical separation. An exoparasitic twin had fully developed hind limbs, well-developed... -
Value and impact of massive blood transfusion protocols in the management of trauma patients
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: MDC Ortega-Gonzalez --- Department of Anaesthesia, BI Monzon-Torres --- Department of Trauma Directorate, Division of Surgery,Trauma-related injuries are the second leading cause of death and disability in South Africa. The traditional approach to surgery and resuscitation of severely injured patients has undergone change over the past 10 years. New concepts like damage control surgery and... -
Anaesthetic management of tracheobronchial disruption during oesophagectomy
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: T Bindra --- Department of Anaesthesia and Critical Care, India R Gupta --- Department of Anaesthesia and Critical Care, India P Geetanjali --- Department of Anaesthesia and Critical Care, IndiaAlthough tracheobronchial injuries occur rarely during oesophagectomy, the outcome of such injuries is mostly unfavourable. We report the case of a 50-year-old female, American Society of Anesthesiologists (ASA) class 1, who suffered a tracheobronchial injury during transthoracic oesophagectomy. The defect... -
The use of intraoperative transoesophageal echocardiography as a monitor for haemodynamic instability during pulmonary hydatid cyst excision
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: G Picken --- Department of Anaesthetics, A Myburgh --- Department of Anaesthetics,We present the case of a patient with bilateral, pulmonary hydatid cysts who presented for cystectomy and developed life-threatening, haemodynamic instability when turned into the lateral decubitus position. Intraoperative transoesophageal echocardiography allowed for rapid interpretation of the haemodynamic collapse and... -
Can medical students calculate drug doses?
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: CS Harries --- Division of Pharmacology, Discipline of Pharmaceutical Sciences College of Health Sciences, JH Botha --- Division of Pharmacology, Discipline of Pharmaceutical Sciences College of Health Sciences,Objectives: A doctor's ability to calculate drug doses is a skill that is generally assumed. We assessed medical students' performance when given four types of dosing calculations typical of those required in an emergency setting. -
Anaesthetic considerations for liver resections in paediatric patients
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: P Mogane --- Chris Hani Baragwanath Academic Hosptial, P Motshabi-Chakane --- Charlotte Maxeke Johannesburg Academic Hospital,Children presenting for liver resection form a challenging population with co-morbidities that require adequate preoperative assessment and planning to improve postoperative outcomes. With the development of new surgical equipment and techniques, the anaesthestist is in a precarious position in which... -
Tuberculosis: the implications for anaesthesia
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: TA Jackson --- University of Cape Town, JM Thomas --- Red Cross War Memorial Children's Hospital,Tuberculosis is a common problem in South Africa, and provides a number of challenges for the anaesthetist. Patients may present in a variety of ways. Constitutional and pulmonary symptoms are the most common. These may impact on fitness for surgery... -
Anaesthetic management of endoscopic resection of juvenile nasopharyngeal angiofibroma: our experience and a review of the literature
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: P Khanna --- Department of Anaesthesia and Intensive Care, India BR Ray --- Department of Anaesthesia and Intensive Care, India R Sinha --- Department of Anaesthesia and Intensive Care, India R Kumar --- Department of Ear, Nose and Throat, India K Sikka --- Department of Ear, Nose and Throat, India AC Singh --- Department of Ear, Nose and Throat, IndiaBackground: Juvenile nasopharyngeal angiofibroma (JNA) is a rare, benign, vascular tumour in adolescent males with potential life-threatening complications. Advances in endoscopic surgery, invasive monitoring and hypotensive anaesthesia have made JNAs amenable to endoscopic surgical resection. We present the anaesthetic management... -
Thoracotomy in a spontaneously breathing neonate undergoing tracheo-oesophageal fistula repair
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: C Hosking --- Department of Anaesthesia, P Motshabi-Chakane --- Department of Anaesthesia, -
New trends in the management of postpartum haemorrhage
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: RA Dyer --- Department of Anaesthesia, AD Vorster --- Department of Anaesthesia, MJ Arcache --- Department of Anaesthesia, M Vasco --- Unisanitas and Clinica Reina Sofia, Colombia -
The long-term consequences of anaesthetic management
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: DI Sessler --- Department of Outcomes Research, -
A brief overview of transesophageal echocardiography
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: J Ender --- Department of Anesthesiology and Intensive Care Medicine, Heartcenter, Germany S Sgouropoulou --- Department of Anesthesiology and Intensive Care Medicine, Heartcenter, Germany -
Airway skills training using a human patient simulator
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Thesegan Moodley --- Discipline of Anaesthesiology and Critical Care, Nelson R Mandela School of Medicine, Dean Gopalan --- Discipline of Anaesthesiology and Critical Care, Nelson R Mandela School of Medicine,Background: Airway skills education is important for the safe and effective care of patients. Interns often encounter critical airway situations. Their ability to cope derives from the recall of formal lectures and tutorials, as well as accumulated experience. We tested... -
Intraoperative management of the patient with severe lung disease
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: P Slinger --- University of Toronto, CanadaOf all perioperative complications, respiratory difficulties represent the greatest cost to the healthcare system. Patients undergoing cardiac, thoracic, gastrointestinal and orofacial surgery are particularly at risk. However, the highest 30-day mortality for pulmonary complications follows abdominal surgery. Patients with chronic... -
Ehlers-Danlos syndrome with parathyroid adenoma for excision
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: S Kamat --- Director Professor, Goa Medical College, India C Deepa --- Fellow in Critical Care Medicine, Narayana Hrudayalaya, India J Fernandes --- Junior Resident, Goa Medical College, IndiaEhlers-Danlos syndrome (EDS) consists of a group of connective tissue disorders characterised by hyperelasticity of the skin and hypermobile joints. Parathyroid adenoma results in increased parathyroid hormone secretion. We report the case of a 20-year-old male patient with EDS and... -
Klippel-Feil syndrome for scoliosis surgery: management of a potentially difficult paediatric airway, and report of false-negative motor-evoked potential
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: PCS Tan --- Department of Anaesthesiology and Intensive Care, Malaysia S Mohtar --- Department of Anaesthesiology and Intensive Care, Malaysia N Esa --- Department of Anaesthesiology and Intensive Care, MalaysiaA six-year-old girl with Klippel-Feil syndrome and throcacolumbar scoliosis was scheduled for growing rod insertion. Inhalational induction and tracheal intubation were carried out, with her neck in a neutral position. However, the patient woke up with paraplegia, despite normal intraoperative... -
“DOCTOR! Go for a course in HR Management”
Item type: Journal Article • Journal: South African Family Practice • Authors: SAH Moosa --- , ID Couper --- University of the Witwatersrand,A key principle of family medicine is the management of resources. Human Resource Management (HRM) underpins other principles of family medicine. It is not only the doctor but also the staff around him or her who enables and responds to... -
Physical activity knowledge, attitudes and practices of the elderly in Bloemfontein old age homes
Item type: Journal Article • Journal: South African Family Practice • Authors: PE Pienaar --- School of Medicine, South Africa M De Swardt --- School of Medicine, South Africa M De Vries --- School of Medicine, South Africa H Roos --- School of Medicine, South Africa G Joubert --- School of Medicine, South AfricaBackground: The aim of this study was to describe physical activity knowledge, attitudes and practices of the elderly in Bloemfontein old age homes. -
Vaginal discharge reviewed: the adult pre-menopausal female
Item type: Journal Article • Journal: South African Family Practice • Authors: EW Henn --- Department of Obstetrics and Gynaecology, TF Kruger --- Department of Obstetrics and Gynaecology, TI Siebert --- Department of Obstetrics and Gynaecology, -
Post-tonsillectomy haemorrhage following traditional uvulectomy in an adult patient
Item type: Journal Article • Journal: South African Family Practice • Authors: M Tshifularo --- Dept. of ENT, CA Joseph --- Dept. of ENT, GA Ogunbanjo --- Dept. of Family Medicine & PHC, -
Contraception for first-time users: a problem-orientated guide to product selection and safe prescription
Item type: Journal Article • Journal: South African Family Practice • Authors: WM Kruger --- Department of Obstetrics and Gynaecology, PS Steyn --- Department of Obstetrics and Gynaecology, -
A review of Integrated Management of Childhood Illness (IMCI)
Item type: Journal Article • Journal: South African Family Practice • Authors: T Kerry --- uMgungundlovu Health District,The IMCI approach ensures that a comprehensive and accurate assessment is made of a sick child using simple yet reliable clinical signs at the first contact level. Also doctors, especially those working in the public sector need to understand the... -
Perceptions of hospital managers regarding the impact of doctors' community service
Item type: Journal Article • Journal: South African Family Practice • Authors: OB Omole --- Dept. of Family Medicine & PHC, South Africa G Marincowitz --- Dept. of Family Medicine & PHC, South Africa GA Ogunbanjo --- Dept. of Family Medicine & PHC, South AfricaBackground: In South Africa, the distribution of doctors is skewed in favour of the urban areas, but it is not uncommon to find many peri-urban facilities in short supply of doctors. In 1997, the South African government introduced compulsory community... -
Burning Out and In again
Item type: Journal Article • Journal: South African Family Practice • Authors: CG Ellis --- Family Physician, Hayfields Medical Centre,This paper is the third in a series on burnout. It is partly taken from notes collected from facilitating workshops on burnout in doctors. It is written as a polemic to challenge the received wisdom on this complex subject. The... -
Second-stage primary Caesarean deliveries: Are maternal complications increased?
Item type: Journal Article • Journal: South African Family Practice • Authors: J Moodley --- Women's Health and HIV Research Unit and Department of Obstetrics and Gynaecology, J Devjee --- Department of Obstetrics and Gynaecology, SM Khedun --- Women's Health and HIV Research Unit and Department of Obstetrics and Gynaecology, T Esterhuizen --- Programme of Biostatistics, Research Ethics and Medical Law, College of Health Sciences, University of KwaZulu-Natal,Background: Second-stage Caesarean sections (CSs) are known to be associated with increased complications but most reports originate from tertiary hospitals, which attend to high-risk patients. Complication rates may differ in district hospitals, which attend to low-risk patients. -
Evaluation of the effect of the introduction of a hypertension club on the management of hypertension at a community health centre in the Cape Town Metropole
Item type: Journal Article • Journal: South African Family Practice • Authors: N Slingers --- Division of Family Medicine and Primary Care, PJT De Villiers --- Division of Family Medicine and Primary Care,Background: Hypertension is a widespread problem of immense economic importance in sub-Saharan Africa because of its high prevalence in urban areas, its frequent under-diagnosis, and the severity of its complications. A systematic review of interventions used to improve the management... -
The Spontaneous pneumothorax port of call consultation
Item type: Journal Article • Journal: South African Family Practice • Authors: MJ Mpe --- Department of Intensive Care,Smokers have an approximately 12% lifetime risk of developing a primary spontaneous pneumothorax. It is rarely life-threatening and is mainly treated by aspiration. Secondary spontaneous pneumothoraces occur mostly in patients with chronic obstructive pulmonary disease, they have a mortality rate... -
Management of gout: Primary care approach
Item type: Journal Article • Journal: South African Family Practice • Authors: OB Omole --- Department of Family Medicine, South Africa GA Ogunbanjo --- Department of Family Medicine and Primary Health Care, South AfricaGreat strides have been made in understanding gout as a disease over the centuries. Despite these advances, reports suggest that the management of gout is relatively suboptimal at the primary care level. This article reviews important considerations in the management... -
Implementing a structured triage system at a community health centre using Kaizen
Item type: Journal Article • Journal: South African Family Practice • Authors: AA Isaacs --- Metro District Health Services (Western Cape) and Division of Family Medicine, Faculty of Health Sciences, DA Hellenberg --- Division of Family Medicine, Faculty of Health Sciences,Background: More than 100 unbooked patients present daily to the Mitchell's Plain Community Health Centre (MPCHC), and are triaged by a doctor, with the assistance of a staff nurse. The quality of the triage assessments has been found to be... -
Aphasia, an acquired language disorder
Item type: Journal Article • Journal: South African Family Practice • Authors: R Schoeman --- Department of Psychology, South Africa G Van der Merwe --- Department of Psychology, South AfricaAffecting an estimated one in every 272 South Africans, or 0.37% of the population, aphasia is a neurological condition described as “any disturbance in the comprehension or expression of language caused by a brain lesion”. -
Current approach to diagnosis and management of osteoarthritis
Item type: Journal Article • Journal: South African Family Practice • Authors: C Ickinger --- Division of Rheumatology, M Tikly --- Division of Rheumatology,Osteoarthritis (OA) is a common chronic degenerative joint disorder and a major cause of pain and disability, especially in the elderly. The prevalence is steadily rising due to an increase in life expectancy and certain lifestyle factors. OA is a... -
Evaluation of the clinical management of HIV-infected patients by private sector doctors in the eThekwini Metro, KwaZulu-Natal
Item type: Journal Article • Journal: South African Family Practice • Authors: P Naidoo --- School of Pharmacy and Pharmacology, TM Esterhuizen --- Programme of Biostatistics, Research Ethics and Medical Law, CC Jinabhai --- Department of Public Health Medicine, M Taylor --- Department of Public Health Medicine,Background: Although private sector doctors are the backbone of treatment service in many countries, caring for patients with HIV entails a whole new set of challenges and difficulties. The few studies done on the quality of care of HIV patients,... -
Adequacy of pain management in HIV-positive patients
Item type: Journal Article • Journal: South African Family Practice • Authors: C Narasimooloo --- Department of Family Medicine, South Africa SS Naidoo --- McCord Hospital, South Africa BM Gaede --- Emmaus Hospital, South AfricaBackground: A growing body of literature supports the view that people infected with HIV suffer significant pain and that pain is not well recognised or managed by health care professionals. This study investigated the prevalence, severity, recognition and management of... -
Knowledge, attitudes and behaviours of adolescents in relation to STIs, pregnancy, contraceptive utilization and substance abuse in the Mhlakulo region, Eastern Cape
Item type: Journal Article • Journal: South African Family Practice • Authors: A Bana --- Year-3 COBES Group, VG Bhat --- Department of Medical Microbiology, X Godlwana --- Year-3 COBES Group, S Libazi --- Year-3 COBES Group, Y Maholwana --- Year-3 COBES Group, N Marafungana --- Year-3 COBES Group, K Mona --- Year-3 COBES Group, AM Mbonisweni --- Year-3 COBES Group, N Mbulawa --- Year-3 COBES Group, J Mofuka --- Year-3 COBES Group, NA Mohlajoa --- Year-3 COBES Group, NN Nondula --- Year-3 COBES Group, Y Qubekile --- Year-3 COBES Group, B Ramnaran --- Year-3 COBES Group,Background: Sexually transmitted infections (STIs) and HIV/AIDS are a major problem in South Africa. This, coupled with a high incidence of teenage pregnancy, alcohol and drug abuse, is of grave concern, especially its impact among the young (15–24 years) and... -
Current opinion: Is added dietary sugar detrimental to health?
Item type: Journal Article • Journal: South African Family Practice • Authors: VL Van den Berg --- Department of Nutrition and Dietetics,The intake of added dietary sugars has escalated dramatically since the 1970s, mostly due to a global increase in the consumption of sugar-sweetened beverages (SSBs). This trend has sparked concerns among scientists and consumers alike regarding the safety of added... -
Comparative study of the primary healthcare systems in China and Mali
Item type: Journal Article • Journal: South African Family Practice • Authors: S Fomba --- Master's candidate degree West China School of Public Health; Sichuan University, China M Xiao --- Master's candidate degree West China School of Public Health; Sichuan University, China Y Yang --- Master's candidate degree West China School of Public Health; Sichuan University, China H Zhou --- Master's candidate degree West China School of Public Health; Sichuan University, China Q Liu --- Master's candidate degree West China School of Public Health; Sichuan University, China L Yu --- Master's candidate degree West China School of Public Health; Sichuan University, ChinaBackground: Community health centres (CHCs) are an important component of the health system in Mali and China. Despite patient support and commitment from the authorities, the management and the quality of care of these structures need to be improved. This... -
Bouncing forward: families living with a type I diabetic child
Item type: Journal Article • Journal: South African Family Practice • Authors: O Brown --- Department of Psychology, Faculty of Health Sciences, South Africa P Fouché --- Department of Psychology, Faculty of the Humanities, South Africa M Coetzee --- Uitenhage Provincial Hospital, South AfricaBackground: Despite the multitude of challenges that families living with a child with diabetes face, they have been found to adapt to such an extent that diabetes is viewed as a manageable condition. This study was concerned with the factors... -
Attitudes, perceptions and understanding amongst teenagers regarding teenage pregnancy, sexuality and contraception in Taung
Item type: Journal Article • Journal: South African Family Practice • Authors: T Kanku --- Division of Family Medicine and Primary Care, South Africa R Mash --- Division of Family Medicine and Primary Care, South AfricaBackground: South African teenage pregnancy rates remain high by international comparison and, in the rural town of Taung, the rate of 13% is twice the national average of 6.5%. Teenage pregnancy is a risk factor for disruption of education, future... -
Nonerosive reflux disease as a presentation of gastro-oesophageal reflux disease
Item type: Journal Article • Journal: South African Family Practice • Authors: WM Simmonds --- Department of Internal Medicine,Up to 70% of patients with typical symptoms of gastro-oesophageal reflux disease have neither definite endoscopic oesophageal erosions nor Barrett's oesophagus on upper endoscopy. These patients suffer from nonerosive reflux disease (NERD). There is no gold standard for the diagnosis... -
Glycaemic control: do no harm
Item type: Journal Article • Journal: South African Family Practice • Authors: L Kelly --- Division of Clinical Sciences, Canada -
The management of acute low back pain in adults: a guide for the primary care physician
Item type: Journal Article • Journal: South African Family Practice • Authors: SW Brighton --- Department of Rheumatology,To diagnose patients with acute low back pain (LBP), a focused physical examination needs to be conducted and a detailed history obtained. The patient should then be placed into one of three broad categories, namely nonspecific LBP, pain associated with... -
Gastro-oesophageal reflux in infants and children
Item type: Journal Article • Journal: South African Family Practice • Authors: ED Nel --- Department of Paediatrics and Child Health, Faculty of Health Sciences,Gastro-oesophageal reflux is a normal physiological phenomenon that is frequently associated with regurgitation in infants. In general, it resolves by the age of one year. Some children are more likely to have persistent symptoms and develop complications, e.g. children with... -
Pyogenic liver abscess mimicking pleural effusion
Item type: Journal Article • Journal: South African Family Practice • Authors: M Abiodun --- Institute of Child Health, University of Benin Teaching Hospital, W Osarogiagbon --- Institute of Child Health, University of Benin Teaching Hospital, O Oviawe --- Institute of Child Health, University of Benin Teaching Hospital,Pyogenic liver abscess is a major visceral abscess that may pose a diagnostic dilemma in a febrile child with prominent extra-abdominal symptoms. We present a case of a well-nourished, immunocompetent four-year-old girl who had none of the common predispositions to... -
Chronic pain management options in general practice
Item type: Journal Article • Journal: South African Family Practice • Authors: K Koch [AN0001]Chronic pain affects almost one in five patients, making it one of the most common conditions that any practitioner has to manage on a daily basis. Poorly managed chronic pain has a significant impact on work, social and psychological functioning... -
Infant formula for gastro-oesophageal reflux disease
Item type: Journal Article • Journal: South African Family Practice • Authors: CJW Owens --- Nutrition Information Centre, IL Labuschagne --- Nutrition Information Centre, MJ Lombard --- Nutrition Information Centre,Thickened infant formula is widely used as a first-line treatment for gastro-oesophageal reflux (GOR) in infants. The use thereof remains controversial, and conflicting evidence exists with regards to its efficiency. The safety of anti-reflux formula has been proven, with only... -
Drug therapy, lifestyle modification and blood pressure control in a primary care facility, south of Johannesburg, South Africa: an audit of hypertension management
Item type: Journal Article • Journal: South African Family Practice • Authors: SC Onwukwe --- Department of Family Medicine, South Africa OB Omole --- Department of Family Medicine, South AfricaBackground: Hypertension management is suboptimal in many settings. We assessed blood pressure (BP) control according to target, the appropriateness of antihypertensive therapy and the extent of implementing lifestyle modification among hypertensive patients. -
What the primary healthcare worker needs to know about the management of type 2 diabetes
Item type: Journal Article • Journal: South African Family Practice • Authors: WF Mollentze --- Department of Medicine, -
Drug interactions of antihypertensive agents
Item type: Journal Article • Journal: South African Family Practice • Authors: LH Opie --- University of Cape Town, -
Sudden loss of vision
Item type: Journal Article • Journal: South African Family Practice • Authors: N Du Toit --- University of Cape Town; Groote Schuur Hospital,Sudden loss of vision, which causes consternation for both the patient and clinician, is a clinical problem that is encountered fairly regularly in most primary healthcare settings. Sudden visual loss or obscuration which is transient may simply be a symptom... -
Acute pain management in general practice: steps to effective pain control
Item type: Journal Article • Journal: South African Family Practice • Authors: K Koch [AN0001]Pain is one of the most common complaints that general practitioners encounter in everyday practice. The swift and effective management of pain is a medical mandate, not only to fulfil an ethical obligation to the patient, but also to prevent... -
Anaesthetic management of paediatric adenotonsillectomy
Item type: Journal Article • Journal: South African Family Practice • Authors: L Strauss --- Department of Anaesthesia,Tonsillectomy with or without adenoidectomy is one of the most frequent surgical procedures that are carried out globally. Although these children are often fit, anaesthesia for such cases can be associated with significant morbidity and mortality, and should not be... -
Management of postoperative pain
Item type: Journal Article • Journal: South African Family Practice • Authors: D Wels --- Department of Anaesthesia, -
The diagnosis and management of alopecia
Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology, K Mathekga --- Department of Dermatology,Alopecia refers to loss of hair from the scalp or other hair-bearing areas of the body. Alopecia has a significant impact on quality of life. It is commonly associated with loss of self-esteem and emotional stress. It can be non-scarring... -
The gradual loss of vision
Item type: Journal Article • Journal: South African Family Practice • Authors: N Du Toit --- Division of Ophthalmology,Gradual loss of vision is a clinical problem that is encountered fairly regularly in most primary healthcare settings. Patients present with chronic, slowly progressive and generally painless visual loss. The reduction in vision is usually bilateral, though frequently asymmetrical, and... -
A review of metformin and its place in the diabetes guidelines
Item type: Journal Article • Journal: South African Family Practice • Authors: Gail Mkele [AN0001]Metformin is considered to be the initial drug of choice for type 2 diabetes mellitus, particularly in overweight patients. This is based on its effectiveness in achieving glycaemic control, its favourable effects on weight, its low risk of causing hypoglycaemia... -
Acute pain management in general practice: steps to effective pain control
Item type: Journal Article • Journal: South African Family Practice • Authors: K Koch [AN0001]Pain is one of the most common complaints that general practitioners encounter in everyday practice. The swift and effective management of pain is a medical mandate, not only to fulfil an ethical obligation to the patient, but also to prevent... -
Management of hypertension in patients with type 2 diabetes mellitus
Item type: Journal Article • Journal: South African Family Practice • Authors: MLI Mashitisho --- Department of Internal Medicine,Hypertension and diabetes co-exist. The prevalence of hypertension is higher in patients with type 2 diabetes mellitus, while patients with hypertension have a higher incidence of developing type 2 diabetes mellitus. Hypertension in patients with diabetes is linked to cardiovascular... -
Modern management of colorectal cancer
Item type: Journal Article • Journal: South African Family Practice • Authors: RJ Baigrie --- Department of Colorectal Surgery,Colorectal cancer affects approximately 1:20 of the population and in South Africa is largely managed by general surgeons. Management of this disease has undergone very significant changes over the last two decades. Until very recently, only two academic general surgery... -
Sense of humour and adolescents' cognitive flexibility
Item type: Journal Article • Journal: South African Family Practice • Authors: KGF Esterhuyse --- Department of Psychology, N Nortjé --- University of the Free State, A Pienaar --- University of the Free State, RBI Beukes --- University of the Free State,Objective: There is a lack of research on humour among adolescents in South Africa. This article examines cognitive flexibility and humour. The objective was to investigate the roles of gender and language as possible moderating variables in the relationship between... -
Current approach to diagnosis and management of osteoarthritis
Item type: Journal Article • Journal: South African Family Practice • Authors: C Ickinger --- Division of Rheumatology, M Tikly --- Division of Rheumatology,Osteoarthritis (OA) is a common chronic degenerative joint disorder and a major cause of pain and disability, especially in the elderly. The prevalence is steadily rising due to an increase in life expectancy and certain lifestyle factors. OA is a... -
The prevalence of suicidal behaviour and associated risk factors in grade 8 learners in Durban
Item type: Journal Article • Journal: South African Family Practice • Authors: N Vawda --- Cert Trauma and Mental Health Research Training,Objectives: Most of the research on suicidal behaviour in youth focuses on developed countries. Less is known about the prevalence of suicidal behaviour and associated risk factors in community samples of youth who do not present for mental health care... -
Hearing loss within a marriage: perceptions of the spouse with normal hearing
Item type: Journal Article • Journal: South African Family Practice • Authors: NG Govender --- Discipline of Audiology, N Maistry --- Discipline of Audiology, N Soomar --- Discipline of Audiology, J Paken --- Discipline of Audiology,Objective: The objective of the study was to determine the perceptions of a spouse about the influence of his or her partner's hearing loss on their relationship as it may have an impact on aural rehabilitation. -
An evaluation of the Triage Early Warning Score in an urban accident and emergency department in KwaZulu-Natal
Item type: Journal Article • Journal: South African Family Practice • Authors: DK Naidoo --- Addington Hospital Department of Family Medicine, S Rangiah --- Department of Family Medicine, SS Naidoo --- College of Family Physicians of South Africa,Objective: Triage is an essential first step in the efficient and effective running of any emergency department. A good triage tool saves lives and reduces mortality. The Triage Early Warning Score (TEWS) is a useful tool used to identify patients... -
Implementing an Operational Risk Management Framework: Psycho-Social Factors in Tanzania
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Annelize van Niekerk --- University of South Africa, South Africa Dirk J Geldenhuys --- University of South Africa, South Africa Madia M Levin --- University of South Africa, South Africa Michelle May --- University of South Africa, South Africa K.P. Moalusi --- University of South Africa, South AfricaThis qualitative study explored the psychosocial factors that affect the implementation of an operational risk management framework in a financial institution in Tanzania. A purposive sample of 39 participants from three financial institutions was interviewed using semistructured interviews. The data... -
Work Engagement, Organisational Commitment, Job Resources and Job Demands of Teachers Working Within Disadvantaged High Schools in Kwazulu-Natal, South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lyndsay Kristine Field --- University of KwaZulu-Natal, South Africa Johanna Hendrina Buitendach --- University of KwaZulu-Natal, South AfricaThe study determined the relationship between work engagement, organisational commitment, job resources and job demands of teachers (N = 117) working within two historically disadvantaged high schools in KwaZulu-Natal, South Africa. A cross-sectional design was used (N = 117). Participants... -
The Social Value of Lobola: Perceptions of South African College Students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Dorcas M. Khomari --- University of Limpopo, South Africa Cebile Tebele --- University of South Africa, Kathryn Nel --- University of Limpopo, South AfricaThe present study reports on the social value of lobola (dowry payment) as perceived by a convenience sample of college students (N = 30; females = 60%; males = 40%) attending a majority Black university. Qualitative data were collected from... -
Human Immunodeficiency Virus Needlestick Injury: Knowledge and Management in a Population of Nigerian Anaesthetists
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: NA Merah --- Department of Anaesthesia, Nigeria CI Okeke --- Department of Anaesthesia, Nigeria OT Kushimo --- Department of Anaesthesia, Nigeria C Meribole --- Department of Anaesthesia, Nigeria OT Alagbe-Brigs --- Department of Anaesthesia, NigeriaObjective: To determine the knowledge of HIV transmission and of post exposure management, following an HIV- infected needlestick injury, in a population of Nigerian anaesthetists. Subjects and Method: A cross-sectional, prospective assessment was conducted voluntarily in anaesthetists at an annual... -
Felicitas Publica and community well-being: nourishing relational goods through dialogic conversations between deprived and privileged populations
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Helena Águeda Marujo --- School of Social and Political Sciences, Portugal Luis Miguel Neto --- School of Social and Political Sciences, PortugalThis article discusses the theoretical justifications, presumed relevance and value of using community interventions designed to be appreciative and strengths based, participatory and conversational, context sensitive and value driven, to promote well-being actions and coordinated meaning between privileged persons and... -
Examining significant predictors of students’ intention to drop out
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kelly Cortes --- North-West University, Karina Mostert --- North-West University, Crizelle Els --- North-West University,The objective of this study was to determine if core self-evaluation traits, burnout, disengagement, social support and career decision making difficulties are significant predictors of university students’ intention to drop out. A cross-sectional design and non-probability sample (N=782) was used... -
Efficacy of outdoor adventure education in developing emotional intelligence during adolescence
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Björn Opper --- University of Pretoria, South Africa Jacobus G. Maree --- University of Pretoria, South Africa Lizelle Fletcher --- University of Pretoria, South Africa Jaqui Sommerville --- University of Pretoria, South AfricaThis study was an efficacy evaluation of an outdoor adventure intervention to facilitate emotional intelligence (EI) among adolescents. A pre-post-test design was used. Participants were a convenience sample of 76 Grade 10 learners from a private high school for boys... -
The prediction of turnover intention by means of employee engagement and demographic variables in a telecommunications organisation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mandu Sibiya --- School of Applied Human Sciences, South Africa Johanna H. Buitendach --- School of Applied Human Sciences, South Africa Herbert Kanengoni --- School of Applied Human Sciences, South Africa Shaida Bobat --- School of Applied Human Sciences, South AfricaThis study sought to determine the prediction of turnover intention by employee engagement and demographic variables in a large South African information and communication technology (ICT) organisation. Cross-sectional survey data was collected from the organisation. Using a sample of 2276... -
Geology and groundwater regions to quantify primary salinity, sodicity and alkalinity in South African soils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Johannes P Nell --- Agricultural Research Council–Institute for Soil, Climate and Water, South Africa Cornelius W van Huyssteen --- Department of Soil, Crop and Climate Science, South AfricaAlthough anthropogenic salinisation and sodification has been researched extensively, little is known about the primary salinity in South Africa. This paper therefore aimed to determine the primary salinity, sodicity and alkalinity conditions for South African soils, based on geological units... -
Understanding the combined effect of soil properties on gully erosion using quantile regression
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: George M van Zijl --- Department of Soil Science, South Africa Freddie Ellis --- Department of Soil Science, South Africa Andrei Rozanov --- Department of Soil Science, South AfricaThe individual effects of soil properties on soil erodibility are well understood. It is also known that various interactions between these properties exist, which creates the need for unique investigations into how soil properties influence soil stability. Quantile regression was... -
Leading while being led: developing the developer at a Catholic NGO in Cape Town
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Grant A. Fore --- STEM Education Research Institute (SERI), Indiana University-Purdue University, U.S.A.The paper uses ethnographic data about the religious ethics undergirding the discourse and practices of development agents at Catholic Welfare and Development (CWD), a faith-based NGO in Cape Town, South Africa. It explores how the dynamic interrelation between faith and... -
Some notes towards a human economy approach
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Vito Laterza --- The Human Economy Project, Faculty of Humanities, South AfricaThe diverse research activities carried out in the Human Economy Project focus on the economic practices that people on the ground perform in their everyday life, and the interactions between these actions and larger-scale political and economic structures and institutions... -
Clinical challenges in the co-management of diabetes mellitus and tuberculosis in southern Africa
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: MJA Reid --- Perleman School of Medicine, University of Pennsylvania, USA N McFadden --- Perleman School of Medicine, University of Pennsylvania, USA BM Tsima --- School of Medicine, University of Botswana, BotswanaOver the past 20 years, tuberculosis incidence in southern Africa has increased at an alarming rate, fuelled primarily by the human immunodeficiency virus epidemic. The emerging prevalence of diabetes mellitus in the region represents a new threat to tuberculosis control... -
The implementation of guidelines in a South African population with type 2 diabetes
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Y Pinchevsky --- Department of Pharmacy and Pharmacology, N Butkow --- Department of Pharmacy and Pharmacology, FJ Raal --- Division of Endocrinology and Metabolism, Faculty of Health Sciences, T Chirwa --- Division of Epidemiology and Biostatistics,Objective: The aim of this study was to identify the treatment gaps that pertain to risk factors in South African patients with type 2 diabetes mellitus, using national treatment guidelines. -
Impact of cultivation method on productivity and botanical composition of a kikuyu–ryegrass pasture
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Pieter A Swanepoel --- Research and Technology Development Services, South Africa Philip R Botha --- Research and Technology Development Services, South Africa Hennie A Snyman --- Animal, Wildlife and Grassland Sciences, South Africa Chris C du Preez --- Soil, Crop and Climate Sciences, South AfricaKikuyu (Pennisetum clandestinum)–ryegrass (Lolium spp.) cultivated pastures form the base for dairy production in the southern Cape region of South Africa. The impact of various methods and implements used to over-sow ryegrass on the productivity and botanical composition of the... -
“An African way of doing things”: reproducing gender and generation
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Nolwazi Mkhwanazi --- Department of Anthropology, South AfricaIn this article I draw on ethnographic research conducted in the townships of Nyanga East and Khayelitsha, South Africa, to suggest a link between normative ideals about the relations between children and adults, normative practises around the care of children,... -
Communication and quality service delivery in Uganda's local government: the mediating influence of total quality management
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ibrahim A. Musenze --- Makerere University Business School, J.C. Munene --- Makerere University Business School, Joseph M. Ntayi --- Makerere University Business School, Waswa Balunywa --- Makerere University Business School,The study aimed at understanding the role of total quality management (TQM) as a mediator between communication and quality service delivery (QSD) in Uganda's local government (LGs). Data were collected using a cross-sectional research design from 212 LGs whose heads... -
Effects of plantation residue management on the community structure of wattle regeneration invertebrate pests in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Prem Govender --- Research Directorate, Faculty of Health Sciences, South AfricaThere is a limited availability of land for the expansion of South African black wattle plantations. One way to increase productivity is to ensure the survival of seedlings during regeneration, thereby increasing the stocking of compartments. Soil invertebrate pests constitute... -
Intrinsic motivation a key enabler of African managers’ cultural intelligence
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yvonne Du Plessis --- Graduate School of Business and Government Leadership, South Africa Nicolene Barkhuizen --- Department of Industrial Psychology, South AfricaThis study sought to determine manager's intrinsic motivation to engage multiculturally in the workplace as the managers varied by demographic background. Participants were a convenience sample of managers on supervisory level, middle level and senior level (n=550; Male 54.9%; Black... -
Effect of Moringa oleifera on the histology, haematology and growth of Oreochromis mossambicus in aquadams® fertilised with chicken manure in South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MM Rapatsa --- Aquaculture Research Unit, School of Agricultural and Environmental Sciences, South Africa NAG Moyo --- Aquaculture Research Unit, School of Agricultural and Environmental Sciences, South AfricaThe effect of Moringa oleifera seed powder on water quality and the histology, haematology and growth of Oreochromis mossambicus was investigated. Five dosage levels, 0, 100, 200, 300 and 400 mg l–1, of M. oleifera seed powder were applied to... -
Predictors of student burnout and engagement among university students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Danél Olwage --- WorkWell Research Unit for Economic and Management Sciences, South Africa Karina Mostert --- WorkWell Research Unit for Economic and Management Sciences, South AfricaThis study investigated influences of core self-evaluation traits, career decision-making difficulties and social support on student burnout and engagement. A cross-sectional design was used with a non-probability quota sample. In the multiple regression analyses, self-efficacy, inconsistent information due to internal... -
Positive work experiences and life satisfaction: the moderating role of gender
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jillian C. Williamson --- University of Johannesburg, South Africa Madelyn Geldenhuys --- University of Johannesburg, South AfricaThis study investigated the effects of work engagement and psychological meaningfulness on life satisfaction taking into account the moderating effect of gender. A cross-sectional research design was used to capture data on satisfaction with life, work engagement and psychological meaningfulness... -
Telangiectatic osteosarcoma, a rare complication of Paget's disease of bone
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: FH Van Zyl --- Division of Endocrinology, Department of Medicine, Faculty of Health Sciences, M Conradie --- Division of Endocrinology, Department of Medicine, Faculty of Health Sciences, K Barnard --- Division of Endocrinology, Department of Medicine, Faculty of Health Sciences, FS Hough --- Division of Endocrinology, Department of Medicine, Faculty of Health Sciences, BH Ascott-Evans --- Division of Endocrinology, Department of Medicine, Faculty of Health Sciences, -
Fever in children: how to minimise risk and provide appropriate therapy
Item type: Journal Article • Journal: South African Family Practice • Authors: Robin J Green --- Department of Paediatrics and Child Health, South Africa Adéle Pentz --- Department of Paediatrics and Child Health, South AfricaThe management of fever in children is a subject that garners many different opinions and interventions. Various approaches seem to be acceptable, from the physician who never uses antipyretic medication, to the use of multiple combination therapies. Following the recent... -
The after-hours case mix of patients attending the George Provincial Hospital Emergency Centre
Item type: Journal Article • Journal: South African Family Practice • Authors: Patricia S van Wyk --- Western Cape Department of Health, Division of Family Medicine and Primary Care, South Africa Louis Jenkins --- Western Cape Department of Health, Division of Family Medicine and Primary Care, South AfricaBackground: The emergency care of patients in South Africa has improved with the establishment of Emergency and Family Medicine as specialities, the introduction of the Cape Triage Scoring (CTS), and the upgrading of emergency care services. The Western Cape Comprehensive... -
Computerised inventory management for a manufacturing industry: A case study in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Emmanuel Seye Owoeye --- Mechanical Engineering Department, Nigeria Samuel Babatope Adejuyigbe --- Mechanical Engineering Department, Nigeria Bukola Olalekan Bolaji --- Mechanical Engineering Department, Nigeria A.F. Adekoya --- Computer Science Department, NigeriaVarious authors have suggested that the cost of purchasing and holding inventory can account for as much as 60%–80% of the total cost of a product or service. Usually, only some of the inventory (about 10%) contributes to 70%–80% of... -
Comparative study on municipal solid waste management systems of Maputo City, Mozambique and Chongqing City, China
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Letícia Sarmento dos Muchangos --- Faculty of Urban Construction and Environmental Engineering, People's Republic of China Yuanyuan Liu --- Faculty of Urban Construction and Environmental Engineering, People's Republic of China Baizhan Li --- Faculty of Urban Construction and Environmental Engineering, People's Republic of ChinaThe Municipal Solid Waste Management (MSWM) system in Maputo City, Mozambique, presents several flaws and challenges mainly related to limited financial, human and material resources, as well as low public awareness and participation. This is a South–South comparison study between... -
Anaesthesia for oesophageal atresia with or without tracheo-oesophageal atresia
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Palesa Motshabi --- Charlotte Mxeke Johannesburg Academic Hospital and Department of Anaesthesia, South AfricaOesophageal atresia, with or without tracheo-oesophageal fistula, is one of the most challenging conditions with which the anaesthesiologist has to deal during the perioperative period. The patients are usually in their first few days of life, and might be premature... -
Mobile health for early retention in HIV care: a qualitative study in Kenya (WelTel Retain)
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Kirsten Smillie --- British Columbia Centre for Disease Control, Canada Natasha Van Borek --- Faculty of Health Sciences, School of Nursing, Mia L van der Kop --- Department of Medicine, Canada Abigael Lukhwaro --- AMREF Health Africa, Kenya Neville Li --- British Columbia Centre for Disease Control, Canada Sarah Karanja --- AMREF Health Africa, Kenya Anik R Patel --- Department of Medicine, Canada David Ojakaa --- Département de Démographie, Canada Richard T Lester --- Department of Medicine, CanadaMany people newly diagnosed with HIV are lost to follow-up before timely initiation of antiretroviral therapy (ART). A randomised controlled trial (RCT), WelTel Kenya1, demonstrated the effectiveness of the WelTel text messaging intervention to improve clinical outcomes among patients initiating... -
Communication characteristics of young children with HIV in South Africa as reported by some physicians
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Michelle Hattam --- Con Amore School, South Africa Brenda Louw --- Department of Audiology and Speech-Language Pathology, United States Salome Geertsema --- Communication Pathology, South AfricaHIV has been shown to have significant effects on the development of a child. Currently, there is limited South African research regarding HIV and specific characteristics of communication development, and the treatment thereof, in the child infected with HIV. The... -
Foreign direct investment and local technological capabilities in least developed countries: some evidence from the Tanzanian manufacturing sector
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Bitrina Diyamett --- Science, Technology and Innovation Policy Research Organisation (STIPRO), Tanzania Musambya Mutambla --- Science, Technology and Innovation Policy Research Organisation (STIPRO), TanzaniaForeign direct investment has been found to be one of the very important ways of building local technological capabilities for developing countries, and an important channel through which international diffusion of knowledge and technology takes place. While this has been... -
Teachability of collocations: The role of word frequency counts
Item type: Journal Article • Journal: Southern African Linguistics and Applied Language Studies • Authors: Déogratias Nizonkiza --- School of Languages, Potchefstroom Campus, Kris Van de Poel --- School of Languages, Potchefstroom Campus,This study aims to gain insights into which collocations to teach at which proficiency levels by answering the following questions: (i) Of the Verb+Noun and Adjective+Noun types of collocations, which one is more difficult (and should therefore come at a... -
Organisational and individual strengths use as predictors of engagement and productivity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Frederick W. Stander --- Optentia Research Programme, South Africa Karina Mostert --- WorkWell Research Unit, South Africa Leon T. de Beer --- WorkWell Research Unit, South AfricaThis study sought to determine whether Perceived Organisational Support for Strengths Use (POSSU) and Proactive Behaviour towards Strengths Use (PBSU) predict engagement and productivity in a sample of South African call centre operators. Participants were 218 call centre operators within... -
Educational risk factors for psychological truancy in Lesotho: a qualitative exploration
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Thabang Matela --- School of Open Learning, South Africa AE Ferreira --- College of Education, Zayed University, UAE Corene de Wet --- School of Open Learning, South AfricaA qualitative case study design was used to explore educational risk factors that may contribute to psychological truancy in a Lesotho secondary school. Purposively sampled teachers (n = 4, females = 50%) and pupils (n = 4, females = 75%),... -
School and community participation of in-school teenagers affected by orphanhood in a rural South Africa setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Alfred Motalenayne Modise --- Faculty of Education, South AfricaThis study investigated schooling and community participation qualities of teenage learners affected by orphanhood in rural secondary South African setting. Participants were a purposive sample of 30 teenage learners, (female = 60% black = 98%, 12 to 19 years old)... -
The relationship between employees’ experience of performance management and work engagement within a South African organisation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Janko Kotzé --- Department of Industrial Psychology, South Africa Sanet van der Westhuizen --- Department of Industrial Psychology, South Africa Elzabé Nel --- Department of Industrial Psychology, South AfricaThe study investigated the relationship between employees’ experience of performance management and work engagement. Participants were a convenience sample of employed adults (N=202; females=59%, middle management = 48%, White = 54%, tenure more than 9 years = 48%) in an organisation in the vehicle and asset-based... -
Does estuarine health relate to catchment land-cover in the East Kleinemonde system, South Africa?
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: VA Masefield --- Department of Geography, South Africa GK McGregor --- Department of Geography, South Africa AK Whitfield --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaTemporarily open/closed estuaries in South Africa are being subjected to varying degrees of catchment land-cover transformation. Natural landscapes and hydrological functions are integral to the functioning of estuaries. The relationship between catchment land-cover and the health of the East Kleinemonde... -
Spatio-temporal variation in density of microphytoplankton genera in two tropical coral reefs of Mauritius
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SB Sadally --- Department of Biosciences, Faculty of Science, Mauritius N Taleb-Hossenkhan --- Department of Biosciences, Faculty of Science, Mauritius R Bhagooli --- Department of Biosciences, Faculty of Science, MauritiusSpatial and temporal (seasonal and interannual) variation in microphytoplankton was investigated at two tropical coral reef sites off Mauritius (Belle Mare [BM] and Flic-en-Flac [FEF]), from 2010 to 2012. Each site was divided into three zones: coast, lagoon and reef... -
Estimation of size at first maturity in two South African coral species
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PH Montoya-Maya --- Oceanographic Research Institute, Marine Parade, South Africa AHH Macdonald --- School of Life Sciences, South Africa MH Schleyer --- Oceanographic Research Institute, Marine Parade, South AfricaThe corals Acropora austera and Platygyra daedalea have been the subject of extensive reproductive and population genetic studies in the iSimangaliso Wetland Park (iSimangaliso), on the KwaZulu-Natal coast, eastern South Africa. Despite this, estimates of size at first maturity in... -
Psychometric evaluation of the Basic Traits Inventory in the multilingual South African environment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sonja Grobler --- Industrial and Organisational Psychology Department, College of Economic and Management Sciences, South Africa Marié de Beer --- Industrial and Organisational Psychology Department, College of Economic and Management Sciences, South AfricaThe objective of this study was to evaluate the psychometric properties of the BTI for all the official language groups in South Africa. Item bias analysis was performed by means of Rasch analysis for a sample of 105 342 respondents... -
Exploring adult learners’ self-directedness in relation to their employability attributes in open distance learning
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jo-Anne Botha --- Department of Human Resource Management, Melinde Coetzee --- Department of Industrial and Organisational Psychology, Mariette Coetzee --- Department of Human Resource Management,This study investigated the relationship between adult learners’ self-directedness and their perceptions of their employability attributes. A stratified proportional random sample (N = 1 102) was taken of undergraduate adult learners at a South African open distance learning (ODL) higher... -
Morphological identification of the ryegrass hybrid Lolium multiflorum × Lolium perenne and isolation of the pathogen Fusarium pseudograminearum in the Western Cape
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Michael I Ferreira --- Plant Science, Western Cape Department of Agriculture, South Africa Carl F Reinhardt --- Department of Plant Production and Soil Science, South Africa Sandra C Lamprecht --- Agricultural Research Council–Plant Protection Research Institute, South Africa Marna Sinclair --- Veterinary Services, Western Cape Department of Agriculture, South Africa Liezl MacKenzie --- Directorate Research Support Services, Western Cape Department of Agriculture, South Africa Gert van Coller --- Plant Science, Western Cape Department of Agriculture, South AfricaWeed resistance to herbicides present one of the greatest current economic challenges to agriculture. Herbicide resistant ryegrass (Lolium spp.) is a serious problem in Western Cape grain-producing areas. Morphological and pathogenic analyses were performed on ryegrass samples. Morphologically, 50% of... -
Improving productivity and sustainability of successive rotations of Acacia auriculiformis plantations in South Vietnam
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Vu Dinh Huong --- Forest Science Institute of South Vietnam, Vietnam EK Sadanandan Nambiar --- CSIRO Land and Water Flagship, Australia Le Thanh Quang --- Forest Science Institute of South Vietnam, Vietnam Daniel S Mendham --- CSIRO Land and Water Flagship, Australia Pham The Dung --- Forest Science Institute of South Vietnam, VietnamWe studied the productivity of Acacia auriculiformis plantations in South Vietnam over three successive rotations covering 15 years. The focus of our study was on the effects of inter-rotation management on stand growth and soil properties. Contrastin g slash and... -
A new screening method for Ganoderma philippii tolerance in tropical Acacia species
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Abdul Gafur --- AAA Group Research and Development, Indonesia Aswardi Nasution --- AAA Group Research and Development, Indonesia Muhammad Yuliarto --- AAA Group Research and Development, Indonesia Wong Ching Yong --- AAA Group Research and Development, Indonesia Mukesh Sharma --- AAA Group Research and Development, IndonesiaRed root rot disease caused by Ganoderma philippii is one of the most economically important diseases of tropical Acacia species. Research on field control of the disease has to date focused on inoculum reduction, silviculture practices and application of biological... -
The effectiveness of the implementation of the Cape Triage Score at the emergency department of the National District Hospital, Bloemfontein
Item type: Journal Article • Journal: South African Family Practice • Authors: SAN Gordon --- Faculty of Health Sciences, Department of Family Medicine, South Africa H Brits --- Faculty of Health Sciences, Department of Family Medicine, South Africa JE Raubenheimer --- Faculty of Health Sciences, Department of Biostatistics, South AfricaBackground: The need for an appropriate South African triage system led to the development of the Cape Triage Score (CTS), a system to prioritise emergency departments’ workloads. This study evaluated the effectiveness of the CTS at the National District Hospital... -
Picking a tree: habitat use by the tree agama, Acanthocercus atricollis atricollis, in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Leeann T. Reaney --- Communication and Behaviour Research Group, School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa Martin J. Whiting --- Communication and Behaviour Research Group, School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South AfricaWe studied tree agama (Acanthocercus a. atricollis) habitat use in the Magaliesberg mountain range in northern South Africa using sightings of marked individuals, and in a few cases, radio-telemetry. Acanthocercus a. atricollis preferentially selected thorn trees (46%; Acacia karroo), followed... -
Movements and habitat utilization of nembwe, Serranochromis robustus (Günther, 1864), in the Upper Zambezi River
Item type: Journal Article • Journal: African Zoology • Authors: Eva B. Thorstad --- Norwegian Institute for Nature Research (NINA), Norway Clinton J. Hay --- Ministry of Fisheries and Marine Resources, Namibia Tor F. Næsje --- Norwegian Institute for Nature Research (NINA), Norway Ben Chanda --- Ministry of Agriculture and Co-operatives, Department of Research and Specialised Services, Zambia Finn Økland --- Norwegian Institute for Nature Research (NINA), NorwayFifteen adult nembwe Serranochromis robustus (Günther, 1864) were tagged with radio transmitters in the Zambezi River, Namibia, from 4–15 November 2000 to record behaviour and outline the implications for fisheries management. The fish were tracked on average every 3.7 days... -
Phylogenetic relationships in the genus Aethomys (Rodentia: Muridae)
Item type: Journal Article • Journal: African Zoology • Authors: C.T. Chimimba --- Mammal Research Institute, Department of Zoology and Entomology, South AfricaPhylogenetic relationships in the genus Aethomys were examined based on qualitative cranial data for all currently recognized species. A cladistic analysis suggested the presence of three clades: 1) A. bocagei, A. thomasi, A. silindensis, A. kaiseri, and A. nyikae;2) A... -
Life history characteristics of Alticus monochrus, a supratidal blenny of the southern Indian Ocean
Item type: Journal Article • Journal: African Zoology • Authors: M. Bhikajee --- Faculty of Science, University of Mauritius, Mauritius J. M. Green --- Department of Biology, Canada R. Dunbrack --- Department of Biology, CanadaThe blenny Alticus monochrus Bleeker inhabits exposed rocky shores of Mauritius and other islands of the southwestern Indian Ocean. A. monochrus is an amphibious species and remains almost exclusively above the water line, migrating vertically with the tide while feeding... -
Moult in the Mediterranean monk seal from Cap Blanc, western Sahara
Item type: Journal Article • Journal: African Zoology • Authors: Enric Badosa --- Departament de Biologia Animal, Spain Teresa Pastor --- Departament de Biologia Animal, Spain Manel Gazo --- Departament de Biologia Animal, Spain Alex Aguilar --- Departament de Biologia Animal, SpainAt birth, the Mediterranean monk seal (Monachus monachus) is covered with dark lanugo This is shed earlier and faster in females, so they complete the moult when they are significantly younger (64 days) than males (82 days). Moulted pups present... -
Description and ecology of larvae of Glossogobius callidus and Redigobius dewaali (Gobiidae) from temperate South African estuaries
Item type: Journal Article • Journal: African Zoology • Authors: Nadine A. Strydom --- South African Institute for Aquatic Biodiversity, South Africa Francisco J. Neira --- Marine Research Laboratories, Tasmanian Aquaculture and Fisheries Institute (TAFI), University of Tasmania, AustraliaThis paper describes the morphology and ecology of the larvae and early juveniles of two common gobiids in warm temperate South African estuaries. The early developmental stages of Glossogobius callidus and Redigobius dewaali were collected during plankton surveys in seven... -
Haulout site selection by southern elephant seals at Marion Island
Item type: Journal Article • Journal: African Zoology • Authors: T. W. Mulaudzi --- Department of Zoology and Entomology, South Africa G. J. G. Hofmeyr --- National Zoological Gardens of South Africa, South Africa M. N. Bester --- National Zoological Gardens of South Africa, South Africa S. P. Kirkman --- National Zoological Gardens of South Africa, South Africa P. A. Pistorius --- National Zoological Gardens of South Africa, South Africa F. C. Jonker --- National Zoological Gardens of South Africa, South Africa A. B. Makhado --- National Zoological Gardens of South Africa, South Africa J. H. Owen --- Department of Statistics, South Africa R. J. Grimbeek --- Department of Statistics, South AfricaUsing data from an ongoing mark–resight programme at Marion Island, we tested empirically whether southern elephant seals prefer certain terrestrial sites to others during the breeding, moulting and winter haulouts, and whether the pattern of site use is the same... -
The effects of organic and conventional management practices on feeding activity of soil organisms in vineyards
Item type: Journal Article • Journal: African Zoology • Authors: A. J. Reinecke --- Department of Botany and Zoology, South Africa R. M. C. Albertus --- Department of Botany and Zoology, South Africa S. A. Reinecke --- Department of Botany and Zoology, South Africa O. Larink --- Technical University, GermanyThis study investigated whether the activity of soil organisms in a vineyard soil in the Western Cape, South Africa, was affected differently by different management practices. The influences of organic and conventional treatments were compared in two vineyard blocks, one... -
Bee food: the chemistry and nutritional value of nectar, pollen and mixtures of the two
Item type: Journal Article • Journal: African Zoology • Authors: Susan W. Nicolson --- Department of Zoology and Entomology, South AfricaBees are herbivorous insects, consuming nectar and pollen throughout their life cycles. This paper is a brief review of the chemistry of these two floral resources and the implications for bee nutrition. Nectar is primarily an energy source, but in... -
Spatial and temporal population dynamics of rodents in three geographically different regions in Africa: Implication for ecologically-based rodent management
Item type: Journal Article • Journal: African Zoology • Authors: Apia W. Massawe --- Pest Management Centre, Sokoine University of Agriculture, Tanzania Loth S. Mulungu --- Pest Management Centre, Sokoine University of Agriculture, Tanzania Rhodes H. Makundi --- Pest Management Centre, Sokoine University of Agriculture, Tanzania Nomfundo Dlamini --- Department of Biological Sciences, Swaziland Seth J. Eiseb --- National Museum of Namibia, Namibia Frikkie Kirsten --- Agricultural Research Council-Plant Protection Research Institute, South Africa Themb’alilahlwa Mahlaba --- Department of Biological Sciences, Swaziland Phanuel Malebane --- Agricultural Research Council-Plant Protection Research Institute, South Africa Emil Von Maltitz --- Agricultural Research Council-Plant Protection Research Institute, South Africa Ara Monadjem --- Department of Biological Sciences, Swaziland Peter Taylor --- Durban Natural Science Museum, Heritage and Libraries Department, South Africa Vassana Tutjavi --- National Museum of Namibia, Namibia Steven R. Belmain --- Natural Resources Institute, University of Greenwich, U.K.As part of a three-year study to develop ecologically-based rodent management (EBRM) in southern Africa, a capture–mark–recapture study was carried out in Tanzania, Namibia and Swaziland to establish the demographic patterns and population dynamics of rodents. Two study grids were... -
Life history strategy and population characteristics of an unexploited riverine cyprinid, Labeo capensis, in the largest impoundment in the Orange River Basin
Item type: Journal Article • Journal: African Zoology • Authors: Henning Winker --- Department of Ichthyology and Fisheries Science, South Africa Olaf L.F. Weyl --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa Anthony J. Booth --- Department of Ichthyology and Fisheries Science, South Africa Bruce R. Ellender --- Department of Ichthyology and Fisheries Science, South AfricaThe life history of an endemic riverine African cyprinid, Labeo capensis, that dominates the larger ichthyofauna in a large impoundment in the Orange River Basin four decades after damming, was investigated. Both sexes grew at a similar rate until the... -
The influence of fire on rodent abundance at the N’washitshumbe enclosure site, Kruger National Park, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: D.N. MacFadyen --- Mammal Research Institute, Department of Zoology and Entomology, South Africa N.L. Avenant --- Department of Mammalogy, South Africa M. van der Merwe --- Mammal Research Institute, Department of Zoology and Entomology, South Africa G.J. Bredenkamp --- Department of Plant Sciences, South AfricaThe relative population numbers of rodents were studied in nine habitats in and outside the N’washitshumbe enclosure site, Kruger National Park, before and after burning the firebreaks that surround the enclosure. Trap success was exceptionally high, and the field work... -
Monogenean parasite species descriptions from Labeo spp. hosts in the Vaal Dam, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Dionne Crafford --- Department of Zoology, South Africa Wilmien Luus-Powell --- School of Molecular and Life Sciences, Department of Biodiversity, South Africa Annemarié Avenant-Oldewage --- Department of Zoology, South AfricaSpecimens of Labeo capensis (n = 13) and Labeo umbratus (n = 26) from the Vaal Dam (South Africa) were collected and examined for gill and skin monogenean parasites. Three new Dactylogyrus and one new Dogielius species are described. Dactylogyrus... -
Composition, abundance, distribution and seasonality of larval fishes in the Sundays Estuary, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: K. Sutherland --- Department of Zoology, South Africa N.A. Strydom --- Department of Zoology, South Africa T.H. Wooldridge --- Department of Zoology, South AfricaThe larval fish assemblage was studied in the permanently open Sundays Estuary on the southeast coast of South Africa. Seasonal samples were collected between winter 2007 and autumn 2009 at eight sites along the estuary by means of boat-based plankton... -
Integrating research with management: the case of Katavi National Park, Tanzania
Item type: Journal Article • Journal: African Zoology • Authors: T. Caro --- Department of Wildlife, Fish and Conservation Biology, U.S.A. M. Elisa --- Katavi National Park, Tanzania J. Gara --- Katavi National Park, Tanzania D. Kadomo --- Katavi National Park, Tanzania A. Martin --- Department of Wildlife, Fish and Conservation Biology, U.S.A. D. Mushi --- Katavi National Park, Tanzania C. Timbuka --- Katavi National Park, TanzaniaMany protected areas in Africa and elsewhere suffer from several external pressures making it difficult for management to set priorities. For example, aerial censuses show that many mammal populations in the Katavi-Rukwa ecosystem of western Tanzania are declining. Vehicle transect... -
Faecal progestagen profiles in wild southern white rhinoceros (Ceratotherium simum simum)
Item type: Journal Article • Journal: African Zoology • Authors: A. C. van der Goot --- School of Animal Biology, University of Western Australia, Australia F. Dalerum --- Department of Zoology and Entomology, South Africa A. Ganswindt --- Department of Zoology and Entomology, South Africa G. B. Martin --- School of Animal Biology, University of Western Australia, Australia R. P. Millar --- Department of Zoology and Entomology, South Africa M. C. J. Paris --- School of Animal Biology, University of Western Australia, AustraliaKnowledge of the reproductive biology of wild animals can provide valuable information for the development of appropriate in situ and ex situ management plans. The present study aimed to establish a non-invasive protocol for monitoring faecal progestagen metabolite (FPM) patterns... -
Determining the most suitable method of otolith preparation for estimating the age of tigerfish, Hydrocynus vittatus in the Pongolapoort Dam, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: M. Soekoe --- Department of Zoology, South Africa F. H. van der Bank --- Department of Zoology, South Africa N. J. Smit --- North-West University, PotchefstroomThis study compares sectioned and whole lapillus and asterisci otoliths as suitable structures for ageing tigerfish, Hydrocynus vittatus. Fifty tigerfish were collected from the Pongolapoort Dam, KwaZulu-Natal, South Africa. Growth zone counts on sectioned lapilli showed the greatest percentage agreement... -
Grassland bird response to vegetation structural heterogeneity and clearing of invasive bramble
Item type: Journal Article • Journal: African Zoology • Authors: Chevonne Reynolds --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa Craig T. Symes --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South AfricaSpatial and temporal patterns of disturbance and the subsequent heterogeneity are critical in maintaining biodiversity within grassland ecosystems. Grassland birds have evolved within this ‘shifting mosaic’ to become reliant on specific habitat characteristics maintained under varying levels of both natural... -
Does supplemental feeding affect behaviour and foraging of critically endangered western giant eland in an ex situ conservation site?
Item type: Journal Article • Journal: African Zoology • Authors: Pavla Hejcmanová --- Faculty of Tropical AgriSciences, Czech University of Life Sciences, Czech Republic Pavla Vymyslická --- Faculty of Environmental Sciences, Czech University of Life Sciences, Czech Republic Magdalena Žáčková --- Faculty of Environmental Sciences, Czech University of Life Sciences, Czech Republic Michal Hejcman --- Faculty of Environmental Sciences, Czech University of Life Sciences, Czech RepublicThe western giant eland (Tragelaphus derbianus derbianus) needs appropriate management for its survival. We measured the effects of supplemental food on activity and browsing patterns during seasons of scarce natural food resources in 2008 and 2009 for a herd of... -
Assessment of reproductive function in southern African spiny mice (Acomys spinosissimus) using faeces as hormone matrix
Item type: Journal Article • Journal: African Zoology • Authors: P. Ruan de Bruin --- Department of Zoology and Entomology, South Africa Katarina Medger --- Department of Zoology and Entomology, South Africa Nigel C. Bennett --- Department of Zoology and Entomology, South Africa André Ganswindt --- Department of Zoology and Entomology, South AfricaFor spiny mice, detailed long-term data on reproductive endocrine function is lacking, as limited blood volumes make frequent collections of individual plasma samples for hormone monitoring impractical. To provide the necessary tools in order to fill this gap, this study... -
Meso-zooplankton movement through the newly constructed Mfolozi channel into and out of the St Lucia Estuary, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Sean van Elden --- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, South Africa Michael J. Dyer --- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, South Africa Nicola K. Carrasco --- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, South Africa Renzo Perissinotto --- School of Life Sciences, University of KwaZulu-Natal, Westville Campus, South AfricaThe historical canalization of the Mfolozi River resulted in the St Lucia Estuary losing its main freshwater source. This, combined with the recent drought, led to low water levels, hypersaline conditions and dramatic losses in biodiversity. The excavation of a... -
Historical demography of southern African patellid limpets: congruence of population expansions, but not phylogeography
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: KL Mmonwa --- SANBI Marine Programme, South Africa PR Teske --- Department of Zoology, South Africa CD McQuaid --- Coastal Research Group, Department of Zoology and Entomology, South Africa NP Barker --- Molecular Ecology and Systematics Group, Department of Botany, South AfricaGlobal climatic oscillations have shaped the contemporary genetic structure of marine taxa in different ways. Previous demographic studies have indicated that various intertidal marine species display genetic signatures of demographic expansion that either pre- or postdate the Last Glacial Maximum... -
Ecosystem modelling in the southern Benguela: comparisons of Atlantis, Ecopath with Ecosim, and OSMOSE under fishing scenarios
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MD Smith --- Department of Zoology, Australia EA Fulton --- CSIRO [Commonwealth Scientific and Industrial Research Organisation], Australia RW Day --- Department of Zoology, Australia LJ Shannon --- Marine Research Institute and Department of Biological Sciences, South Africa Y-J Shin --- Marine Research Institute and Department of Biological Sciences, South AfricaEcosystem-based management of marine fisheries requires the use of simulation modelling to investigate the system-level impact of candidate fisheries management strategies. However, testing of fundamental assumptions such as system structure or process formulations is rarely done. In this study, we... -
Movement patterns of surf-zone fish species in a subtropical marine protected area on the east coast of South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BQ Mann --- Oceanographic Research Institute, South Africa PD Cowley --- South African Institute for Aquatic Biodiversity, South Africa ST Fennessy --- Oceanographic Research Institute, South AfricaA long-term mark-recapture study was used to assess the movement patterns of surf-zone fishes in the St Lucia Marine Reserve, a marine protected area within the iSimangaliso Wetland Park, a World Heritage Site on the east coast of South Africa... -
Reducing the overall HIV-burden in South Africa: is ‘reviving ABC’ an appropriate fit for a complex, adaptive epidemiological HIV landscape?
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Christopher J Burman --- The Rural Development and Innovation Hub, South Africa Marota Aphane --- The Rural Development and Innovation Hub, South Africa Peter Delobelle --- School of Public Health, South AfricaThis article questions the recommendations to ‘revive ABC (abstain, be faithful, condomise)’ as a mechanism to ‘educate’ people in South Africa about HIV prevention as the South African National HIV Prevalence, Incidence and Behaviour Survey, 2012, suggests. We argue that... -
‘Deadly gonorrhoea’: history, collective memory and early HIV epidemiology in East Central Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Jan Kuhanen --- Department of Geographical and Historical Studies, FinlandThis article combines local oral reminiscences with recent epidemiological literature to sketch a historical context around the onset and expansion of the HIV-1 epidemic in southern Uganda and north-western Tanzania. The local historical imagination has associated the appearance of AIDS... -
Why Africa Journal of Management and Why Now?
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Stella M. Nkomo --- Department of Human Resource Management, South Africa David Zoogah --- Earl Graves School of Business, USA Moses Acquaah --- Department of Management, Bryan School of Business and Economics, USAIn this article, we provide the background as well as the rationale for the decision to establish the Africa Journal of Management. We begin by telling the story of the genesis of AFAM and its aspirational mission. Next, we discuss... -
Riding the Tide: Management in Africa and the Role of High-Impact Research
Item type: Journal Article • Journal: Africa Journal of Management • Authors: David B. Zoogah --- Earl Graves School of Business and Management, USA Richard B. Zoogah --- Department of Sociology and Anthropology, Ghana Faustina Dalaba-Roohi --- One to One International Consulting, GhanaThe increased interest in the potential of African countries to rise from their current states of underdevelopment is matched by concern about the lack of scientific and technical knowledge. Given the role of management in national development and the contribution... -
Place Images and Nation Branding in the African Context: Challenges, Opportunities, and Questions for Policy and Research
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Nicolas Papadopoulos --- Sprott School of Business, Canada Leila Hamzaoui-Essoussi --- Telfer School of Management, CanadaThis paper examines nation branding in Africa, based on a comprehensive and integrative review of past research. This considers, among others, current place images on the continent in the context of traditional views, which see it as a poor and... -
Management Studies from Africa: A Cross-cultural Critique
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Terence Jackson --- Middlesex University Business School, UKThis article presents a critical cross-cultural appraisal of management scholarship concerning Africa, considering differences between scholarship on Africa, scholarship for Africa, and scholarship from Africa. It looks at how Africa has been conceptualized and portrayed in the management literature from... -
The Challenge of Management Scholarship in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Constant D. Beugré --- College of Business, USAIn her speech marking the opening of the second biannual meeting of the Africa Academy of Management (AFAM) in Gabarone, Bostwana, in January 2014, the Honorable Linah K. Mohohlo, Governor of the Bank of Bostwana, raised three important issues that... -
Management Theory, Research and Practice for Sustainable Development in Africa: A Commentary from a Practitioner's Perspective
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Vincent Bagire --- Department of Business Administration, Uganda Juliana Namada --- School of Business, KenyaIn this article we give a synthesis of the argument that inadequate management theory and practice have contributed to Africa's lack of sustainable development. The article is based on a keynote address by the Governor of the Bank of Botswana,... -
Structural traits of elephant grass (Pennisetum purpureum Schum.) genotypes under rotational stocking strategies
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Carlos AM Gomide --- Embrapa Gado de Leite, Brazil Carla S Chaves --- Universidade Federal dos Vales do Jequitinhonha e Mucuri, Brazil Karina G Ribeiro --- Universidade Federal de Viçosa, Brazil Lynn E Sollenberger --- University of Florida, USA Domingos SC Paciullo --- Embrapa Gado de Leite, Brazil Tatiana P Pereira --- Universidade Federal Rural do Rio de Janeiro, Brazil Mirton JF Morenz --- Embrapa Gado de Leite, BrazilDespite the forage potential of elephant grass, controlling canopy structure during grazing has limited its use in pasture. This study was conducted to determine the effect of grazing frequency and post-grazing height on canopy structural characteristics of elephant grass genotypes... -
Indigenizing counselling valuing the afterlife with the Igbo of south eastern Nigeria: a case for ino-uwa based intervention
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Chika Eze --- Department of Psychology, Faculty of Education, KenyaThis study examines prospects for the utilization of the concept of ino-uwa practised by the Igbo cultural-linguistic community of South Eastern Nigeria to understand and address counselling needs of a child and his family. Ino-uwa is the cultural familial scaffold... -
School learner behavioural management: context and practices in a South African school setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Letlhoyo Segalo --- Department of Educational and Professional Studies, South AfricaThis study explored context and qualities of learner behavioural management with high school students in a historically disadvantaged South African urban school setting. Participants were a convenience sample of seven teachers (females = 3, and males = 4) mean teaching... -
Response rate on the Adjusted Rorschach Comprehensive System (ARCS) by isiXhosa learners: a replication and extension
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mokgadi Moletsane --- Department of Educational Psychology, South Africa Robert Kananga Mukuna --- Department of Educational Psychology, South AfricaThis study describes the response profiles of a sample of isiXhosa learners regarding to the Adjusted Rorschach Comprehensive System (ARCS) and related influences to explain the response latencies. This was a multiple case study in which six test naive high... -
How do African Black Oystercatchers Haematopus moquini recruit into high-density populations?
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Douglas Loewenthal --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Dane M Paijmans --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Philip AR Hockey --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South AfricaTheoretical and empirical studies of oystercatchers both suggest that levels of adult site fidelity, natal philopatry and age-at-first-breeding are interrelated consequences of life-history decisions made by potential breeders. All are fundamental to explaining population dynamics and have important conservation implications... -
Fluctuations in bird numbers on sewage treatment ponds in an arid environment, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: W Richard J Dean --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Suzanne J Milton --- Percy FitzPatrick Institute of African Ornithology, DST–NRF Centre of Excellence, South Africa Hugh P Forsyth --- , South Africa Dorrien R Tissiman --- , South AfricaRegular twice-monthly counts of birds associated with water at the Prince Albert sewage disposal facility recorded 69 species, of which 16 species (23.5%) were waterbirds (ducks, Red-knobbed Coot Fulica cristata and Little Grebe Tachybaptus ruficollis) and 21 species were shorebirds... -
Phenotypic characterisation of sweetpotato genotypes grown in East and Central Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Rukundo Placide --- African Centre for Crop Improvement, South Africa Hussein Shimelis --- African Centre for Crop Improvement, South Africa Mark Laing --- African Centre for Crop Improvement, South Africa Daphrose Gahakwa --- Rwanda Agriculture Board, RwandaIdentification of genetic variability and interrelationships among germplasm collections is fundamental to select parents with complementary traits for plant breeding programmes. The aim of this study was to characterise and identify breeding parents among 54 sweetpotato genotypes grown in Rwanda,... -
The realignment of international stock markets after the 1987 crash, with special reference to the Johannesburg Stock Exchange
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: G D I Barr --- Department of Statistical Science, L Sharp --- Department of Economics,This paper investigates stock price associations between the world’s sixteen largest international markets in the period immediately before and after the 1987 market crash, as well as in a more recent post-crash period. The analysis suggests that the crash had... -
Employing the prespecified variable approach to APT factor identification on the segmented Johannesburg Stock Exchange
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Paul van Rensburg --- Department of Accounting and Finance,Prior research has provided evidence that the return generating process on the Johannesburg Stock Exchange (JSE) is dichotomous in nature (Campbell, 1979; Gilbertson and Goldberg, 1981;Carter, 1983; Page, 1986, 1989; Venter, Bradfield and Bowie, 1992). More specifically, this prior work... -
Unifying the factor analytic and prespecified variable approaches to APT factor identification on the Johannesburg Stock Exchange
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: P van Rensburg --- Department of Accounting and Finance,This paper reviews recent empirical work concerning the number and macroeconomic nature of the priced Arbitrage Pricing Theory (APT) factors on the Johannesburg Stock Exchange (JSE). As a consolidation of prior factor analytic and prespecified variable findings, a brief empirical... -
The evaluation of the management of companies by stockmarket analysts and fund managers
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: J E Beeson --- Graduate School of Business Administration, University of the Witwatersrand, M M Sutherland --- Graduate School of Business Administration, University of the Witwatersrand, J C Ford --- Graduate School of Business Administration, University of the Witwatersrand,The management of a company plays a critical role in determining whether a business will be able to produce superior returns to investors. Little research has however been undertaken to establish how fund managers and financial analysts assess management when... -
The effect on taxpayers of new tax legislation regarding foreign exchange transactions
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: R Oberholzer --- Department of Taxation, J S Wilcocks --- School of Applied Accountancy,Numerous problems have been encountered with the practical application of the new taxation legislation relating to foreign currency transactions. The purpose of this paper is to analyse the amendments relating to foreign exchange transactions and to illustrate, by using examples,... -
Predictors of management accounting change in South Africa: Evidence from five retail companies
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: N M Waweru --- Department of Accounting, E Uliana --- Department of Accounting,There is limited knowledge of management accounting practices and change in developing countries. This paper explores the processes of management accounting change in five South African retail companies by means of case studies. A number of factors have been identified... -
An empirical test of the agency problems and capital structure of South African quoted SMEs
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: J Abor --- University of Stellenbosch Business School, Bellville N Biekpe --- University of Stellenbosch Business School, BellvilleThe agency theory suggests that the separation of ownership and control in firms creates conflicts of interest between the firm’s shareholders and managers. This is mainly because managers have the opportunity to use the resources of the firm in ways... -
Cost management along the supply chain
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Richard Chivaka --- Department of Accounting,The potential of strategic cost management tools to support inter-company supply chain value creation has been highlighted by a number of researchers. However, not much research using case studies has been done to demonstrate how cost management tools are applied... -
Business rescue replacing judicial management: An assessment of the extent of problems solved
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: C Lamprecht --- Department of Accounting,The South African Companies Act 46 of 1926 introduced judicial management as a statutory corporate rescue procedure for companies to be used before liquidation, where appropriate. It was retained in the South African Companies Act 61 of 1973, even though... -
An investigation into the impact of continuous auditing on the external auditors of the four largest banks in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: G Charlton --- Department of Accountancy, B Marx --- Department of Accountancy,With the increasing demands on technology and the increase in the number of transactions processed by organisations, users of financial information require information that is accurate, valid and reliable, but, most importantly, relevant – which means having the information available... -
Management accounting and financial management knowledge requirements for South African entry-level trainee accountants
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: K Barac --- University of South Africa,The literature shows that the content of management accounting syllabuses does not always correspond to the subject knowledge as applied in practice. The purpose of this study is to investigate whether the perceptions of TIPP and TOPP training officers differ... -
Students’ and lecturers’ perceptions of the effect of open-book examinations on the learning behavior of accountancy students
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: S J Kruger --- Department of Accounting,In 2003 the South African Institute of Chartered Accountants (SAICA) changed its assessment policy from a closed-book to an open-book format. One reason for this was to encourage better learning behaviour amongst students. This paper investigates whether students perceive this... -
A Note: The SAICA Part I Qualifying Examinations: Factors that may influence candidates’ success
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: E van Wyk --- Department of Accountancy,The study investigates certain factors characterising successful and unsuccessful candidates in the 2009 and 2010 SAICA Part I Qualifying Examination (QE I) with the purpose of making recommendations to candidates, educators, training centres and to SAICA. The study also aims... -
Multiple interventions in a managerial accounting and financial management tutorial programme to enhance understanding
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Karen Bargate --- Department of Accounting, South AfricaThis paper emanates from a study which focused on Managerial Accounting and Financial Management (MAF) students’ experiences of learning in a Writing Intensive Tutorial (WIT) programme. Often students do not fully grasp the underlying disciplinary concepts and struggle to transfer... -
Factors influencing corporate governance disclosure of companies listed on the Alternative Exchange (AltX) in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Henriëtte Scholtz --- School of Accountancy, South Africa Anna-Retha Smit --- Department of Taxation, South AfricaThis article examines the various factors that influence the level of conformance with corporate governance recommendations for companies listed on the Alternative Exchange (AltX) in South Africa. To achieve this objective, a corporate governance disclosure index was developed by examining... -
Exploring student perceptions and experiences of ICT-enhanced formative assessment in an undergraduate management accounting course
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: K. J. Barnard --- Department of Accounting, South Africa M. Mostert --- Centre for Higher Education, Research, Teaching and Learning, South AfricaThe central role of assessment in driving student learning has been well argued in the literature. In particular, continuous formative assessment with timely feedback helps motivate students to work consistently, while the addition of just-in-time support may further motivate and... -
On pricing kernels, information and risk
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Diane L. Wilcox --- School of Computational & Applied Mathematics, South Africa Tim J. Gebbie --- School of Computational & Applied Mathematics, South AfricaThis paper compares out-of-sample, ex-ante risk and returns of arbitrage pricing theory (APT) risk-factor based, zero-cost portfolios with characteristic-based, zero-cost portfolios. In particular the Haugen and Baker characteristic-based model framework is used in a comparison with the capital asset pricing... -
Effect of the subprime mortgage crisis on a leading emerging market
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Jun Sik Kim --- Division of International Trade, Korea Doojin Ryu --- College of Economics, KoreaThis study examines how the US subprime mortgage crisis affects the behaviour of the Korean stock and futures market and how the futures traders react to the shocks related to the crisis. Analysing a unique and high-quality daily data set... -
Fund manager characteristics and performance
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Yi Fang --- Center for Quantitative Economics, China Haiping Wang --- School of Administrative Studies, CanadaThis study establishes a multitier framework to evaluate how fund manager characteristics systematically affect mutual fund performance. The framework includes three tiers of performance elements: comprehensive performance; return and risk; and timing skill and picking ability. Using performance decomposition, our... -
A Multi-directional model for identifying information system opportunities
Item type: Journal Article • Journal: De Ratione • Authors: P.M.Q. Lay --- University of Cape Town,Information Technology has a pervasive influence in business, from supporting the operations of the organization, to making a significant contribution to the competitive strategy of the enterprise. Identifying new opportunities for IT support is a major aspect of planning for... -
The Impact of Corporate Control on the Financial Variables of Companies listed on the J.S.E.
Item type: Journal Article • Journal: De Ratione • Authors: E. Uliana --- University of Cape Town,The effect of different types of corporate control on financial variables of companies are investigated. Three groups of companies representing foreign controlled, owner controlled and conglomerate controlled are matched according to size and industry. Certain financial ratios for each group... -
Material Irregularities and the Auditor’s Report
Item type: Journal Article • Journal: De Ratione • Authors: T.T. Dunne --- University of Cape Town, R.D. Jooste --- University of Cape Town, P.M. Smith --- Cape Credit Union League,Little research has been carried out in relation to the auditor’s duty to disclose material irregularities in his report on financial statements This article examines the statutory provision imposing this duty in the light of responses to a questionnaire sent... -
An evaluation of corporate ownership structures on employee, management and shareholder compensation for JSE companies
Item type: Journal Article • Journal: De Ratione • Authors: T. Cohen --- H. Tarley and Company, E. Uliana --- University of Cape Town,Where corporate ownership and control are separated, the actions of employees and managers are not completely observable by shareholders, because it is virtually Impossible for a diverse group of shareholders (the principals), to monitor the behaviour of employees and managers... -
Corporate control, economie conditions and financial performance
Item type: Journal Article • Journal: De Ratione • Authors: Richard Day --- University of Cape Town, Enrico Uliana --- University of Cape Town,The financial characteristics of owner-managed and professionally-managed companies are studied across two decades representing different economic conditions. The results show that professionally-managed companies out-performed the owner-managed companies, and that there are significant differences in financial structures between the two groups... -
Computer-based Message System Flows in Large Organisations
Item type: Journal Article • Journal: De Ratione • Authors: B R Lower --- University of Cape Town, S Erlank --- University of Cape Town, P M Q Lay --- University of Cape Town,The structure of a typical organization can be described in terms of hierarchies and work groups, linked by blows of control and information. Communication between and within these work groups takes place in formal and informal ways, using a variety... -
Planning to recover from the loss of computer facilities
Trends in South Africa over the last five years Item type: Journal Article • Journal: De Ratione • Authors: J. Miller --- Graduate School of Business, M. A. Wenham --- Graduate School of Business,A national survey of computer disaster recovery planning by major computer users in South Africa was conducted in 1990. The results are reported in this article and show that most firms are highly dependent on their computer systems. Almost a... -
Key Information Technologies in the mid-1990s as Perceived by the Accounting Profession and Business Managers
Item type: Journal Article • Journal: De Ratione • Authors: Dan Remenyi --- University of the Witwatersrand, Frances Sutherland --- University of the Witwatersrand,As information technology is playing a bigger ro!e in all business, professional and government organisations than ever before, it has become increasingly important to be able to forecast the direction of the use of this technology. -
A postmodern perspective on the scientific status of accounting: A research note
Item type: Journal Article • Journal: De Ratione • Authors: Arline A Savage --- Faculty of Business of the University of New Brunswick Saint John,This research note contributes to the discussion about the scientific status of accounting by contrasting Thomas Kuhn’s modem approach to science with Jean-Francois Lyotard’s postmodern perspective for the current situation regarding knowledge in advanced societies, which he describes as language... -
Participation schemes in the South African Mining Industry: The impact of managerial accounting, communication and control systems
Item type: Journal Article • Journal: De Ratione • Authors: Jeremy Lord --- Department of Accounting at the University of Natal,The relationships between employees’ job satisfaction and their perceived extent of participation in profits, and budget-setting and other job-related decision-making, were examined in a profitable South African mining company. Using the statistical technique of Moderated Multiple Regression, it was established... -
Macroeconomic variables and the Johannesburg Stock Exchange: A multifactor approach
Item type: Journal Article • Journal: De Ratione • Authors: Paul Van Rensburg --- Department of Accounting,This study estimates the simultaneous relationship between a number of selected macroeconomic variables and share prices on the Johannesburg Stock Exchange (JSE). A linear factor model identical in form to that assumed by the arbitrage pricing theory (APT) is estimated... -
Further Evidence of Firm Size and Earnings Anomalies on the Johannesburg Stock Exchange
Item type: Journal Article • Journal: De Ratione • Authors: Michael J. Page --- Graduate School of Business,In spite of the large body of evidence in favour of capital market efficiency in the semi-strong form, several enigmatic findings persist. As much of the research is based on the theoretical foundation of the Capital Asset Pricing Model, the... -
An investigation in purchasing practices of small F&B operators
Item type: Journal Article • Journal: • Authors: Michel Altan --- Academy of Hospitality and Facility Management, NHTV Breda, The Netherlands Christine Demen-Meier --- Ecole Hôtelière de Lausanne, Le Chalet-à-Gobet, SwitzerlandThe food and beverage (F&B) purchasing function is operating in a rapidly changing environment, whereby professionalisation and efficiency become key. This paper aims to identify generic skills that are most important for small F&B operators when it comes down to purchasing and... -
The role of employee wellness programme in the hospitality industry: a review of concepts, research, and practice
Item type: Journal Article • Journal: • Authors: Tingting (Christina) Zhang --- Department of Human Sciences, Ohio State University, Columbus, Ohio, USA Jay Kandampully --- Department of Human Sciences, Ohio State University, Columbus, Ohio, USA Hye Yoon Choi --- Department of Human Sciences, Ohio State University, Columbus, Ohio, USAIn the hospitality industry, employees are critical to firm success, through their intimate interactions with customers to create memorable experiences and relationships. A nascent strategy adopted by many hospitality firms seeks to increase employee engagement and commitment through employee wellness programmes. Despite... -
Connecting entrepreneurship and education
Item type: Journal Article • Journal: • Authors: Sjoerd A. Gehrels --- Stenden Academy of International Hospitality Research, Leeuwarden, The NetherlandsThe aim of this research is to explore the contextual characteristics of a particular group of Dutch restaurant owners, the successful culinary entrepreneurs (SCEs), to examine how these contextual characteristics might be used in a hospitality education. This very small segment of... -
How to develop student-centred management cases
Item type: Journal Article • Journal: • Authors: Klaes Eringa --- Stenden University of Applied Sciences, Leeuwarden, The Netherlands Perry Yi Jin --- Stenden University of Applied Sciences, Leeuwarden, The NetherlandsCase studies are very popular in management education. Many case studies, however, are written at a level that is beyond the understanding of their target audience and therefore fail to do what they are intended for. The present study examines... -
How economic crisis affects revenue management: the case of the Prague Hilton hotels
Item type: Journal Article • Journal: • Authors: Sjoerd Gehrels --- Stenden University of Applied Sciences, Leeuwarden, The Netherlands Oleksandra Blanar --- Hilton Prague Hotel, Prague, Czech RepublicThis study explores revenue management practices in two Prague hotels throughout the past years of economic crisis. The purpose of the research was to inform hospitality managers and educators about revenue management practices in central Europe’s emerging and challenging hospitality... -
The moving finger: Asian international hotel school students developing English language writing skills
Item type: Journal Article • Journal: • Authors: Peter Graham --- Stenden Rangsit University, Rattanakunakorn Building, 52/347 Muang Ake, Phaholyothin Road, Lak-Hok, Pathumthani, Bangkok, ThailandThe number of international English as a Second Language hospitality students completing their degree programs in Australasia has risen dramatically in the past decade. One factor that may be motivating students to undertake tertiary studies in Australasia is the expectation... -
Quality assessment in small businesses: the case of Dutch culinary restaurants
Item type: Journal Article • Journal: • Authors: Sjoerd Gehrels --- Stenden University of Applied Sciences, Rengerslaan 8, 8917 DD Leeuwarden, The Netherlands Berry Dumont --- Fletcher Hotel and Restaurant Kasteel Ehrenstein, Oud-Erensteinerweg 10, 6468 PC Kerkrade, The NetherlandsResearch material on quality definitions in the specific small business segment of culinary restaurants is scarce. Defining quality in culinary restaurant small businesses deserves increased attention in order to further develop professionalism within this segment. For this research nine Dutch... -
To what extent are students as middle managers at a training hotel involved in strategic decision making?
Item type: Journal Article • Journal: • Authors: Tjeerd Zandberg --- Stenden University, the NetherlandsResearch has shown that middle managers can exert major upward or downward influence on their organisation’s strategy. In the practice department of our hotel school, senior students act as managers to train managerial competences. To analyse if this reflects reality,... -
Employer branding: A new approach for the hospitality industry
Item type: Journal Article • Journal: • Authors: Sjoerd A Gehrels --- Stenden University of Applied Sciences, Leeuwarden, the NetherlandsThe Western hospitality industry experiences a shortage of skilled professionals due to a poor image and competition from other sectors. Employer branding, which is used as a human resources strategy to differentiate brands, has the potential to deal with some... -
Seasonal dry matter production, botanical composition and forage quality of kikuyu over-sown with annual or perennial ryegrass
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Janke van der Colf --- Department of Plant Production and Soil Science, South Africa Philip R Botha --- Western Cape Department of Agriculture, South Africa Robin Meeske --- Western Cape Department of Agriculture, South Africa Wayne F Truter --- Department of Plant Production and Soil Science, South AfricaThe seasonal growth and low forage quality of kikuyu restrict milk production. The aim of this study was to determine the yield and nutritional value of irrigated kikuyu over-sown with perennial, Italian or Westerwolds ryegrass grazed by dairy cows. The... -
Managing cultivated pastures for improving soil quality in South Africa: challenges and opportunities
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Pieter A Swanepoel --- Department of Agronomy, South Africa Philip R Botha --- Directorate Plant Services, Western Cape Department of Agriculture, South Africa Chris C du Preez --- Soil, Crop and Climate Sciences, South Africa Hennie A Snyman --- Animal, Wildlife and Grassland Sciences, South Africa Johan Labuschagne --- Directorate Plant Sciences, Western Cape Department of Agriculture, South AfricaLoss of productive agricultural land due to soil degradation poses a serious threat to agricultural output and sustainability. Soil degradation of cultivated pastures manifests as a long-term decline in production potential. There are concerns that soils under pastures in certain... -
Southern African pasture and forage science entering the 21st century: past to present
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Wayne F Truter --- Department of Plant Production and Soil Science, South Africa Philip R Botha --- Directorate Plant Sciences, Western Cape Department of Agriculture, South Africa Chris S Dannhauser --- Grass SA, Waverley, South Africa Barbara V Maasdorp --- Department of Crop Science, Zimbabwe Neil Miles --- South African Sugarcane Research Institute, South Africa Albert Smith --- Stats4science, South Africa Hennie A Snyman --- Department of Animal, Wildlife and Grassland Sciences, South Africa Neil M Tainton --- Amber Valley, South AfricaGiven the global challenges of mitigating and alleviating land degradation and ensuring food security, particularly through protein production, pasture and forage science together with rangeland science will remain imperative to sustainable livestock production systems. Recognising the scientific principles developed in... -
Socio-demographic risk factors for unintended pregnancy among unmarried adolescent Nigerian girls
Item type: Journal Article • Journal: South African Family Practice • Authors: Chibuogwu Izugbara --- Human Economy Programme, South Africa;Background: Globally, unintended births among unmarried adolescent girls are a major contributor to maternal and childhood mortality, the vicious cycle of ill-health, poverty, and truncated educational opportunities. Nigeria has the highest rates of adolescent fertility in sub-Saharan Africa. Over 900... -
An assessment of the risk factors for pulmonary tuberculosis among adult patients suffering from human immunodeficiency virus attending the Wellness Clinic at Themba Hospital
Item type: Journal Article • Journal: South African Family Practice • Authors: Felix Alberto Herrera Rodriguez --- Medical Department, South Africa Samuel Onoja Agbo --- Family Medicine department, South AfricaBackground: In South Africa, the data about risk factors for pulmonary tuberculosis (PTB) is limited. Therefore, the assessment of risk factors for PTB is an important step to identify which risk factors are unique in every specific population context and... -
The effect of an automated integrated management of childhood illness guideline on the training of professional nurses in the Western Cape, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: Hilary Rhode --- Faculty of Medicine and Health Sciences, Department of Interdisciplinary Health Sciences, South Africa Bob Mash --- Faculty of Medicine and Health Sciences, Department of Interdisciplinary Health Sciences, South AfricaBackground: Reducing under-five mortality rates is a global priority. Although under-five mortality has decreased in South Africa, it is still unacceptably high. The implementation of the Integrated Management of Childhood Illness (IMCI) guideline is a key World Health Organization intervention... -
Surviving change by changing violently: ukuthwala in South Africa's Eastern Cape province
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: W.J. (Jaco) Smit --- Department of Cultural Anthropology and Development Sociology, The Netherlands Catrien Notermans --- Department of Cultural Anthropology and Development Sociology, The NetherlandsDuring the last decade a comeback of the apparently extinct marriage practice called ukuthwala has been noted and has found much attention in the South African media. It has been raised as a particular concern that, apparently, ukuthwala increasingly entails... -
Ethics culture and ethics climate in relation to employee engagement in a developing country setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jeremy Mitonga-Monga --- Department of Industrial and Organisational Psychology, South Africa Frans Cilliers --- Department of Industrial and Organisational Psychology, South AfricaThe study investigated the relationship between employees’ perceived workplace ethics culture and climate variables and their level of engagement. A non-probability sample (N = 839; females = 32%) was permanently employed in a railway organisation in the Democratic Republic of Congo (DRC). The research... -
The Relationship between Competitive Strategy and Firm Performance in Micro and Small Businesses in Ghana: The Moderating Role of Managerial and Marketing Capabilities
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Moses Acquaah --- Bryan School of Business and Economics, USA Ahmed Agyapong --- KNUST Business School, GhanaThis study investigates the role of managerial and marketing capabilities in moderating the relationship between competitive strategy and firm performance using data from 581 micro and small businesses (MSBs) in Ghana. Using a hierarchical multiple regression analysis the findings indicate... -
Africapitalism: A Management Idea for Business in Africa?
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Kenneth Amaeshi --- University of Edinburgh, UK Uwafiokun Idemudia --- York University, CanadaThe efforts to rethink the role of business in development, especially in developing countries, have facilitated the emergence of an array of concepts. Africapitalism – i.e. the private sector's commitment to the socio-economic development of Africa – proposed and championed... -
Africa is just like every other place, in that it is unlike any other place
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Kamel Mellahi --- Warwick Business School, UK Michael J. Mol --- Department of Strategic Management and Globalization, DenmarkIn this commentary we make a case that an increased focus on strategic management in Africa is both very timely and very necessary. We discuss existing research in this area, arguing that there is not quite enough of it and... -
An unusual conduit for a paediatric tracheostomy tube exchange
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: BS Küsel --- Anaesthesia Registrar, South Africa RE Hodgson --- Inkosi Albert Luthuli Central Hospital, Durban, South Africa and Department of Anaesthesia and Critical Care, South AfricaThis case report demonstrates the challenges of the paediatric airway, and useful, practical solutions in the management of tracheostomies in children. A six-year-old child underwent a tracheostomy, where an inappropriately large tracheostomy tube was inserted. The choice was guided by... -
The achievement of glycaemic, blood pressure and LDL cholesterol targets in patients with type 2 diabetes attending a South African tertiary hospital outpatient clinic
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Y Pinchevsky --- Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, South Africa V Shukla --- Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, South Africa N Butkow --- Department of Pharmacy and Pharmacology, School of Therapeutic Sciences, Faculty of Health Sciences, South Africa FJ Raal --- Carbohydrate and Lipid Metabolism Research Unit, Division of Endocrinology and Metabolism, Faculty of Health Sciences, South Africa T Chirwa --- Division of Epidemiology and Biostatistics, School of Public Health, Faculty of Health Sciences, South AfricaObjectives: To determine differences in the control of multiple diabetes control parameters in a select group of subjects with type 2 diabetes (T2DM) after a four-year follow-up period. -
Dissemination effort, innovation attributes, and variations in innovation dissemination rate
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mawuena Aggey --- Process Technology and Innovation Research, Ghana Nana Kwamina Tekyi Ghartey --- Centre for Development Studies, Ghana Charles Kweku Brown --- Centre for Development Studies, GhanaInnovation-decision type, communication channels, social system, and change agents’ promotion effort influence innovation adoption, but 49–87% of variance in adoption rates is explained by perceived innovation attributes (Rogers 1995). Relationships between adoption rates and these variables are much researched but... -
The relevance of management accounting education at South African tertiary institutions
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: M Shotter --- School of Accountancy, University of Pretoria, FJ de Hart --- School of Accountancy, University of Pretoria, GJ Plant --- School of Accountancy, University of Pretoria, EM Louw --- Department of Statistics, AJ Pienaar --- Accounting Training Corporation of South Africa (ATCOR),This study examines the extent of the gap between education and practice, in respect of management accounting in South Africa. The investigation is carried out by means of two surveys; the first among universities and technikons to determine what is... -
The current status and management of South Africa's chondrichthyan fisheries
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C da Silva --- Branch: Fisheries Management, Department of Agriculture, South Africa AJ Booth --- Department of Ichthyology and Fisheries Science, South Africa SFJ Dudley --- Branch: Fisheries Management, Department of Agriculture, South Africa SE Kerwath --- Branch: Fisheries Management, Department of Agriculture, South Africa SJ Lamberth --- Branch: Fisheries Management, Department of Agriculture, South Africa RW Leslie --- Branch: Fisheries Management, Department of Agriculture, South Africa ME McCord --- South African Shark Conservancy (SASC), South Africa WHH Sauer --- Department of Ichthyology and Fisheries Science, South Africa T Zweig --- South African Shark Conservancy (SASC), South AfricaChondrichthyans (sharks, skates, rays and chimaeras) are captured in many marine fisheries. Management and research efforts directed at chondrichthyan fishing are often neglected because of low product value, taxonomic uncertainty, low capture rates, and harvesting by multiple fisheries. In South... -
Acute poisoning in the Rift Valley Provincial General Hospital, Nakuru, Kenya: January to June 2012
Item type: Journal Article • Journal: South African Family Practice • Authors: JK Bundotich --- Ministry of Health, Kenya MM Gichuhi --- Ministry of Health, KenyaBackground: Information on the patterns of acute poisoning in Kenyan hospitals is limited, and yet such information is crucial for the appropriate management of poisoning. This study attempted to address this knowledge gap by examining admissions in a regional hospital... -
Adherence by a primary healthcare clinic in KwaZulu-Natal to the national HIV guidelines
Item type: Journal Article • Journal: South African Family Practice • Authors: Nnaemeka Uzodike --- Department of Family Medicine, South Africa Andrew Ross --- Department of Family Medicine, South Africa Ogbonnaya Harbor --- Department of Family Medicine, South AfricaBackground: The decentralisation of antiretroviral therapy (ART) to primary health care (PHC) was rolled-out in South Africa in March 2010. PHC staff members are expected to initiate ART, monitor patients, and detect and refer patients with adverse events or virological... -
A cross-sectional profile and outcome assessment of adult patients triaged away from Steve Biko Academic Hospital emergency unit
Item type: Journal Article • Journal: South African Family Practice • Authors: Andreas Engelbrecht --- Faculty of Health Sciences, Department of Family Medicine, Division of Emergency Medicine, South Africa FG du Toit --- Emergency Department, South Africa MM Geyser --- Faculty of Health Sciences, Department of Family Medicine, South AfricaBackground: Overcrowding is a global problem in emergency medicine. This study examined an approach to this problem at a central hospital. -
Gender perspectives in care provision and care receipt among older people infected and affected by HIV in Uganda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Joseph O Mugisha --- Medical Research Council/Uganda Virus Research Institute (MRC/UVRI), Uganda Research Unit on AIDS, E Schatz --- Department of Health Sciences, USA J Seeley --- Medical Research Council/Uganda Virus Research Institute (MRC/UVRI), Uganda Research Unit on AIDS, P Kowal --- World Health Organization Study on Global AGEing and Adult Health, SwitzerlandThe objective of this study was to examine gender roles in the provision and receipt of care among older Ugandans. Survey data on care work were collected in 2009–2010 from 510 older people infected or affected by HIV/AIDS, at one... -
The dimensionality of the Work Related Flow Inventory (WOLF): a South African study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ita Geyser --- School of Tourism and Hospitality Management, South Africa Madelyn Geldenhuys --- Industrial Psychology and People Management, South Africa Freddie Crous --- Industrial Psychology and People Management, South AfricaThe objective of this study was to validate and explore the factor structure of the Work-Related Flow Inventory (WOLF) as a measure of flow within the South African work context. The sample consisted of N = 415 employees from various organisations in... -
Postdural puncture headache: evidence-based review for primary care
Item type: Journal Article • Journal: South African Family Practice • Authors: Olufemi Babatunde Omole --- Department of Family Medicine, South Africa Gboyega Adebola Ogunbanjo --- Department of Family Medicine & Primary Health Care, South AfricaThe promotion of epidural and spinal blocks as preferred and safe techniques for Caesarean section and the use of lumbar puncture for diagnostic and therapeutic purposes place patients at risk of developing postdural puncture headache (PDPH). This article reviews the... -
Ultrasound-guided supraclavicular brachial plexus anaesthesia improves arteriovenous fistula flow characteristics in end-stage renal disease patients
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Shyam Meena --- Department of Anaesthesia, India Virendra Arya --- Department of Anaesthesia, India Indu Sen --- Department of Anaesthesia, India Mukut Minz --- Department of Anaesthesia, India Mahesh Prakash --- Department of Anaesthesia, IndiaBackground: Surgical construction of an arteriovenous fistula is preferred for end-stage renal failure patients requiring long-term haemodialysis. -
Homecoming of Brachiaria: Improved Hybrids Prove Useful for African Animal Agriculture
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: B. L. Maass --- International Center for Tropical Agriculture (CIAT), Kenya C. A. O. Midega --- African Insect Science for Food and Health, (ICIPE), Kenya M. Mutimura --- Rwanda Agriculture Board (RAB), Rwanda V. B. Rahetlah --- Centre de Développement Rural et de Recherche Appliquée, Madagascar P. Salgado --- Mediterranean and Tropical Livestock Systems, CIRAD, UMR SELMET, Madagascar J. M. Kabirizi --- National Livestock Resources Research Institute (NaLIRRI), Uganda Z. R. Khan --- African Insect Science for Food and Health, (ICIPE), Kenya S. R. Ghimire --- Biosciences Eastern and Central Africa (BecA)-ILRI Hub, Kenya I. M. Rao --- International Center for Tropical Agriculture (CIAT), ColombiaSpecies of the genus Brachiaria originate primarily from Africa, where they are constituents of natural grasslands. Due to their adaptation to acidic, low-fertility soils, millions of hectares of Brachiaria species have been sown as improved pastures in South and Central... -
The role of nutrient solution composition on the uptake of nutrients, growth and vase life of tulips grown hydroponically under South African conditions
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Geline Derbyshire --- Department of Agronomy, South Africa Eleanor W Hoffman --- Department of Horticultural Sciences, South Africa Estelle Kempen --- Department of Agronomy, South AfricaAn understanding and optimisation of the key agronomical aspects required for successful hydroponic cultivation of cut tulips in South Africa, a warm production region, is essential to unlock its commercial potential. In this study the effect of nutrient solution composition,... -
Perceptions Among Professional Accounting Students of Self, Job Attractiveness and Academic Reputation
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: E Papageorgiou --- School of Accountancy, C Callaghan --- School of Economic and Business Sciences, D Coldwell --- School of Economic and Business Sciences, T Joosub --- School of Accountancy,Discussions around career pathways have gained momentum in the field of career development to assist young people in mapping out their career choices in order to achieve meaningful and productive futures. The purpose of the study was to empirically investigate... -
Remuneration Committees in South African Listed Companies
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: D Penkin Kenneth --- Master of Commerce of the University of Cape Town in Financial Management (2009),This article examines the administration of executive compensation in listed South African companies in order to understand the background to the emotive expressions by the public concerning the amount of executive earnings. It conducts research in order to ascertain whether... -
Faecal nitrogen of browser and mixed feeder game species during different seasons
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Beanélri B Janecke --- Animal, Wildlife and Grassland Sciences, South Africa G Nico Smit --- Animal, Wildlife and Grassland Sciences, South AfricaA practical measure of assessing periods of potential nutritional stress of game species is needed in the management of these species in the Acacia karroo Riparian Thicket of the central Free State. The objectives of the study were to determine... -
What factors drive fishery yields in the Lower Shire River, Malawi?
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D Tweddle --- South African Institute for Aquatic Biodiversity, South AfricaThe Shire River drains from Lake Malawi to the Lower Zambezi River. Annual flow is dependent mainly on lake level, partially controlled by the operation of a barrage at Liwonde to regulate flows for hydroelectricity generation in the escarpment reaches... -
Macroinvertebrate variation in endorheic depression wetlands in North West and Mpumalanga provinces, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: L Foster --- Department of Zoology, South Africa W Malherbe --- Water Research Group, Unit for Environmental Science and Management, South Africa M Ferreira --- Department of Zoology, South Africa JHJ van Vuren --- Department of Zoology, South AfricaAquatic macroinvertebrates are rarely used in wetland assessments due to their variation. However, in terms of biodiversity, these invertebrates form an important component of wetland fauna. Spatial and temporal variation of macroinvertebrate assemblages in endorheic depressions (locally referred to as... -
The case for environmental flow determination for the Phongolo River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: T Dube --- Laboratory of Aquatic Ecology, Evolution and Conservation, Belgium V Wepener --- Research Unit for Environmental Sciences and Management, South Africa JHJ van Vuren --- Department of Zoology, South Africa N Smit --- Research Unit for Environmental Sciences and Management, South Africa L Brendonck --- Laboratory of Aquatic Ecology, Evolution and Conservation, BelgiumThe construction of Pongolapoort Dam in 1973 on the Phongolo River in KwaZulu-Natal, South Africa, has considerably altered the hydrological behaviour and ecological response of the downstream floodplain. Changes in the flooding regime have had implications for the socio-economic importance... -
Prospects for extirpating small populations of the wetland invader Melaleuca quinquenervia from South Africa: a case study from the Western Cape region
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: E van Wyk --- Invasive Species Programme, South Africa LEO Jacobs --- Invasive Species Programme, South AfricaThe broad-leaved paper bark tree Melaleuca quinquenervia is a major invader in the wetlands of the Florida Everglades, USA. In South Africa, this introduced species is known from eight locality records and is naturalising at two of these sites. The... -
Impact of land use on water quality in the Likangala catchment, southern Malawi
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D Pullanikkatil --- Department of Geography and Environmental Sciences, South Africa LG Palamuleni --- Department of Geography and Environmental Sciences, South Africa TM Ruhiiga --- Department of Geography and Environmental Sciences, South AfricaIn southern Malawi, the Likangala River, which is important for irrigation, domestic use and fishing, is affected by various land uses along its catchment. The impact of urbanisation and agriculture on the water quality of this river was investigated in... -
Aspects of tourism in Kenya
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: John Middleton --- Yale University, USATourism in Kenya dates back to the colonial era. Tourists have invented a map of Kenya that comprises mainly the Rift Valley and the Indian Ocean coast; and they divide the population into ‘noble’ pastoralists and less noble agriculturalists and... -
The roots and complexity of the land issue and of land claims in South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: FC de Beer --- Department of Anthropology and Archaeology,Land reform and land restitution are current and emotional issues in South Africa and a scrutiny of the antecedent events and processes is crucial for an understanding of the complexities involved. Comprehending the land issue requires a reflection on the... -
Ethics and the Everyday: Reconsidering approaches to research involving children and young people
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Rachel Bray --- Centre for Social Science Research, South Africa Imke Gooskens --- Centre for Social Science Research, South AfricaGuidelines on ethical practice in research with children tend to focus on ways to protect children from potential economic and emotional exploitation. While such concerns deserve attention we argue that they represent only a portion of the moral framework in... -
Partial truths: representations of teenage pregnancy in research
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Nolwazi Mkhwanazi --- Department of Social Anthropology,In this article the author identifies three schools of research on teenage pregnancy that were dominant from the 1980s to 2003 in South Africa. By providing a comparison with some of the research in the United States and in England,... -
‘Qualified to work’: Anthropological insights into employee empowerment
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Stephné Herselman --- Department of Anthropology and Archaeology,Drawing on research conducted in a life insurance company, this paper looks at qualities and behaviour of a group of black financial consultants in terms of the notion of empowerment. It attempts to show that empowerment, in the sense of... -
Locating community participation in a water supply project—the Galanefhi Water Project (Eritrea)
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Solomon Haile Gebremedhin --- Department of Economic Development, Central Region, Eritrea Francois Theron --- School of Public Management and Planning, University of Stellenbosch,Water projects, like sustainable development projects in general, often tend to become unsustainable because they are guided by top-down strategies which exclude the input, influence and ownership of projects by their beneficiaries. For attaining sustainable development, the social capital of... -
Cattle and cattle colour terminology in South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Louis J Louwrens --- Department of African Languages, Elsabé Taljard --- Department of African Languages,A comparison between cattle colour terminology found in the Khoikhoi languages and that found in South African Bantu languages brings noticeable similarities to light, leading to the assumption that both the cattle and the terms used to describe their characteristic... -
‘Sick’ with Child
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Nina Botha --- Department of Anthropology and Archaeology,Following a discursive approach, this paper introduces a school intended for sick learners; one that is regarded as an institution that promotes good mothering, and where the attending girls are cured of being ‘sick’ with child. The paper aims to... -
‘Don't “paraffin” me!’: deception, power and agency in a South African sport for development organisation
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Cassandra Clark --- Department of Social Anthropology,The staff of Sport FUNdamentals Southern Africa (SFSA), a sport for development organisation, have labelled a range of deceitful behaviours ‘paraffining’. These behaviours range from improvising life skills lessons to lying in reports. It references paraffin, a common, yet potentially... -
Rural people's perceptions of wildlife conservation—the case of the Masebe Nature Reserve in Limpopo Province, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Chris Boonzaaier --- Department of Anthropology & Archaeology,The First World rationale for nature conservation is usually the aesthetic and recreational experiences and opportunities that nature provides and its scientific importance, but rural populations in Africa tend to focus on the utilisation of natural resources. This paper argues... -
‘A Dog with a collar…’ Field notes on an ‘indigenous wedding gown’
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: J-M Dederen --- University of Venda (Thohoyandou),The purpose of this ethnographic narrative is to detail the social and symbolic nature of the tshirivha leather skirt. Venda-speaking women in Limpopo Province once articulated their marital status by means of this garment. My initial, literature based understanding, in... -
Street name-changes, abjection and private toponymy in Potchefstroom, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Andre Goodrich --- North-West University (NWU), South Africa Pia Bombardella --- North-West University (NWU), South AfricaIn 2008, many residents of what was then Van Riebeeck Street in the small city of Potchefstroom in South Africa defied the city council's renaming it Peter Mokaba Avenue by erecting replica Van Riebeeck Street signs on their private property... -
Community perceptions of tourism in the Tshivhase area of the Limpopo Province, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: C.C. Boonzaaier --- Department of Anthropology and Archaeology, J.H.F. Grobler --- Department of Anthropology and Archaeology,In the past, Third World places and peoples have been promoted largely by First World tourism agents who relied heavily on stereotyped images from a colonial past, consequently depriving local communities of opportunities and the right to define their own... -
Leading while being led: developing the developer at a Catholic NGO in Cape Town
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Grant A. Fore --- STEM Education Research Institute (SERI), Indiana University-Purdue University, U.S.A.The paper uses ethnographic data about the religious ethics undergirding the discourse and practices of development agents at Catholic Welfare and Development (CWD), a faith-based NGO in Cape Town, South Africa. It explores how the dynamic interrelation between faith and... -
Some notes towards a human economy approach
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Vito Laterza --- The Human Economy Project, Faculty of Humanities, South AfricaThe diverse research activities carried out in the Human Economy Project focus on the economic practices that people on the ground perform in their everyday life, and the interactions between these actions and larger-scale political and economic structures and institutions... -
Biology, incidence and host susceptibility of Pineus boerneri (Hemiptera: Adelgidae) in Colombian pine plantations
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Carlos A Rodas --- Forestry Protection Programme, Colombia Rubén Serna --- Universidad Nacional de Medellín, Colombia Maria D Bolaños --- Forestry Protection Programme, Colombia Ginna M Granados --- Forestry Protection Programme, Colombia Michael J Wingfield --- Department of Zoology and Entomology, South Africa Brett P Hurley --- Department of Zoology and Entomology, South AfricaAdelgids (Hemiptera) in the genus Pineus have been reported as introduced insect pests causing serious losses to Pinus plantations worldwide. In 2008, Pineus boerneri was recorded for the first time in Colombia, with infestations noted on Pinus kesiya, P. tecunumanii,... -
“Dying is dying, that's all”: Structural violence and cultural projects in Malawian AIDS proverbs
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nicole C. Hayes --- Department of Anthropology, CanadaThis paper examines three Malawian proverbs about AIDS: “AIDS came for people”, “Dying is dying, that's all” and “It's in the flour”. Proverbs permit Malawians to discuss the otherwise taboo topic of AIDS because they offer a special register and... -
A Review of “Place Images and Nation Branding in the African Context: Challenges, Opportunities, and Questions for Policy and Research”, (Nicolas Papadopoulos and Leila Hamzaoui-Essoussi)
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Eugene D. Jaffe --- Ruppin Academic Center, IsraelThis review of Nicolas Papadopoulos and Leila Hamzaoui-Essoussi's paper “Place Images and Nation Branding in the African Context: Challenges, Opportunities, and Questions for Policy and Research” touches upon the authors’ objectives and the extent to which they have been carried... -
Movement patterns of Lichia amia (Teleostei: Carangidae): results from a long-term cooperative tagging project in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Stuart W Dunlop --- Oceanographic Research Institute, South Africa Bruce Q Mann --- Oceanographic Research Institute, South Africa Paul D Cowley --- South African Institute for Aquatic Biodiversity, South Africa Taryn S Murray --- South African Institute for Aquatic Biodiversity, South Africa Jade Q Maggs --- Oceanographic Research Institute, South AfricaUnderstanding fish movement patterns and migrations is important for fisheries management as well as the identification and conservation of critical habitats. Data collected by the Oceanographic Research Institute's Cooperative Fish Tagging Project (ORI-CFTP) were used to describe the large-scale movement... -
Characteristics and landcover of estuarine boundaries: implications for the delineation of the South African estuarine functional zone
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: DA Veldkornet --- Department of Botany, South Africa JB Adams --- Department of Botany, South Africa L van Niekerk --- Department of Botany, South AfricaThis study investigated whether the current lateral boundary for estuaries in South Africa, i.e. the estuarine functional zone (EFZ), includes all estuarine habitats. The EFZ covers 173 930 ha in 304 estuaries/outlets nationally. Field surveys and analysis of available aerial... -
Spatial and seasonal patterns of European short-snouted seahorse Hippocampus hippocampus distribution in island coastal environments
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: F Otero-Ferrer --- Grupo de Investigación en Acuicultura, Spain R Herrera --- Dirección General de Ordenación del Territorio, Spain VM Tuset --- Instituto de Ciéncias del Mar (CSIC), Spain J Socorro --- Grupo de Investigación en Acuicultura, Spain L Molina --- Grupo de Investigación en Acuicultura, SpainThis study represents the first report on seahorses in the Macaronesian islands (North-East Atlantic), determining the spatial and seasonal abundance, population structure and physical appearance of European short-snouted seahorse Hippocampus hippocampus. Animals were surveyed off Gran Canaria Island in two... -
Rapid fish stock depletion in previously unexploited seamounts: the case of
Beryx splendens from the Sierra Leone Rise (Gulf of Guinea)Item type: Journal Article • Journal: African Journal of Marine Science • Authors: F Salmerón --- Instituto Español de Oceanografía (IEO), Centro Oceanográfico de Málaga, Spain JC Báez --- Instituto Español de Oceanografía (IEO), Centro Oceanográfico de Málaga, Spain D Macías --- Instituto Español de Oceanografía (IEO), Centro Oceanográfico de Málaga, Spain L Fernandez-Peralta --- Instituto Español de Oceanografía (IEO), Centro Oceanográfico de Málaga, Spain A Ramos --- IEO, Centro Oceanográfico de Vigo, Subida a Radio Faro, Vigo (Pontevedra), SpainFish stocks associated with seamounts may be particularly susceptible to overexploitation. From January to July 2001, the Spanish Oceanographic Institute (IEO) conducted an experimental fishing survey entitled ‘Palguinea-2001’ on the seamounts of the Sierra Leone Rise. Beryx splendens (commonly called... -
Cervical cancer screening programme in Limpopo province: January 2007 to December 2010
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: M T Mamahlodi --- HIV/AIDS, National Institute for Communicable Disease; National Health Laboratory Services; School of Health Systems and Public Health, University of Pretoria, L R Kuonza --- National Institute for Communicable Diseases, South Africa S Candy --- Corporate Data Warehouse; National Health Laboratory Services,Objective: South Africa launched a cervical screening policy in 2001 and aimed to screen 70% of women aged 30 years and older by the year 2010. The current study describes the performance of the cervical cancer screening programme that was... -
Contextual quality of life of HIV-positive patients with cervical carcinoma at Tygerberg Hospital
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: G C Du Toit --- Unit of Gynaecological Oncology, Tygerberg Hospital; University of Stellenbosch, M Kidd --- Centre for Statistical Consultation; University of Stellenbosch,Objective: In South Africa, the majority of cervical carcinoma cases present when they are in the advanced stage. Concomitant HIV/AIDS further compromise patient health. Data on the impact of HIV/AIDS on the quality of life of cases with advanced cervical... -
Guidelines for the management of acute meningitis in children and adults in South Africa
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: T.H. Boyles --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, C. Bamford --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, K. Bateman --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, L. Blumberg --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, A. Dramowski --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, A. Karstaedt --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, S. Korsman --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, D.M. le Roux --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, G. Maartens --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, S. Madhi --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, R. Naidoo --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, J. Nuttall --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, G. Reubenson --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, J. Taljaard --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, J. Thomas --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, G. van Zyl --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, A. von Gottberg --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, A. Whitelaw --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa, M. Mendelson --- Federation of Infectious Diseases Societies of Southern Africa Working Group on Acute Meningitis in Children and Adults Infectious Diseases Society of Southern Africa,This guideline provides a rational and cost-effective approach to patients with acute meningitis, which causes considerable morbidity and mortality, predominantly in children.There are many aetiologies, but a small number of bacteria and viruses account for the majority of cases. There... -
Dog bites and human rabies in the Uthungulu District of Kwazulu-Natal province, 2008–2010: a review of surveillance data
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: V. Kubheka --- South African Field Epidemiology and Laboratory Training Programme, P. Govender --- Provincial Department of Health, B. Margot --- Provincial Department of Health, L.R. Kuonza --- South African Field Epidemiology and Laboratory Training Programme,The Uthungulu District in KwaZulu-Natal province is the area that is most affected by rabies in South Africa. Usually, the transmission of rabies to humans occurs through the bites of infected dogs. In 2008, Uthungulu commenced a programme to eliminate... -
The benefits of using a community-engaged research approach to promote a healthy lifestyle in three Nigerian urban slums
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: O P Akinwale --- Nigerian Institute of Medical Research, Nigeria J O Oyefara --- Faculty of Social Sciences, University of Lagos, Nigeria P E Adejoh --- Faculty of Social Sciences, University of Lagos, Nigeria A A Adeneye --- Faculty of Basic Medical Sciences, Lagos State University College of Medicine, Nigeria A K Adeneye --- Nigerian Institute of Medical Research, Nigeria Z A Musa --- Nigerian Institute of Medical Research, Nigeria K S Oyedeji --- Nigerian Institute of Medical Research, Nigeria M A Sulyman --- Nigerian Institute of Medical Research, NigeriaSlums are a wide range of low-income settlements with poor living conditions. The quality of the dwellings varies from simple shacks to permanent structures, while access to water, electricity, sanitation and other basic services and infrastructure tends to be limited... -
Locating bilharzia transmission sites in South Africa: guidelines for public health personnel
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Chris Appleton --- School of Life Sciences, Nelson Miranda --- Department of Zoology, South AfricaBilharzia surveillance at local authority level in South Africa relies on public health personnel being able to locate transmission sites. Although several methods have been tried, the method of choice is collecting snails, identifying those that serve as intermediate hosts... -
Universities and think-tanks as partners in the African knowledge economy: Insights from South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Claudious Chikozho --- Gauteng City-Region Observatory, South Africa Davison Saruchera --- Independent Consultant, South AfricaThere is a paucity of knowledge regarding the nature of interactions between universities and think-tanks in Africa and how their collaboration could be promoted to enable them to contribute more effectively to the knowledge economy. Relying on primary and secondary... -
Fish associated with artificial reefs in False Bay, South Africa: a preliminary survey
Item type: Journal Article • Journal: African Zoology • Authors: Y.A.R.G Lechanteur --- Marine Biology Research Institute, South Africa C.L. Griffiths --- Marine Biology Research Institute, South AfricaThis study compares the suprabenthic fish assemblages inhabiting eight shipwrecks in False Bay with those found on adjacent natural reefs. 3411 fishes of 18 species were recorded on the wrecks. Species densities recorded on wrecks in both shallow and deep... -
Life history traits of Bathyclarias nyasensis (Siluroidei) in Lake Malawi
Item type: Journal Article • Journal: African Zoology • Authors: E. Kaunda --- Department of Ichthyology and Fisheries Science, South Africa T. Hecht --- Department of Ichthyology and Fisheries Science, South AfricaLife history traits, including age, growth, reproduction and diet of Bathyclarias nyasensis from Lake Malawi were studied between December 1996 and November 1998. Owing to reabsorp tion of pectoral spines with increasing fish size, and the relatively low number of... -
The effects of fences and lions on the ecology of African wild dogs reintroduced to Pilanesberg National Park, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Gus van Dyk --- Ecological Services, North West Parks and Tourism Board, South Africa Rob Slotow --- School of Life and Environmental Sciences, South AfricaWild dogs have been eradicated from most of South Africa. However, a large number of smaller isolated reserves offer the potential for metapopulation conservation management of this species through continued translocations among reserves. Wild dogs were released into the Pilanesberg... -
Prey selection by a reintroduced lion population in the Greater Makalali Conservancy, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Dave Druce --- School of Life & Environmental Sciences, South Africa Heleen Genis --- School of Life & Environmental Sciences, South Africa Jonathan Braak --- Makalali Private Game Reserve, South Africa Sophie Greatwood --- School of Life & Environmental Sciences, South Africa Audrey Delsink --- School of Life & Environmental Sciences, South Africa Ross Kettles --- Makalali Private Game Reserve, South Africa Luke Hunter --- School of Life & Environmental Sciences, South Africa Rob Slotow --- School of Life & Environmental Sciences, South AfricaLion prey selection was studied on the Greater Makalali Conservancy (140 km2), Limpopo Province, South Africa, in order to assist with management strategies. Monitoring was carried out between February 1998 and December 2001. Lion killed 15 species, with warthog, blue... -
Abundance and home ranges of feral cats in an urban conservancy where there is supplemental feeding: a case study from South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Jaclyn Tennent --- School of Biological and Conservation Sciences, South Africa Colleen T. Downs --- School of Biological and Conservation Sciences, South AfricaThere is much debate surrounding the impact of feral cats (Felis catus) on wildlife. Conservancies areusually areas where indigenous flora and fauna are protected and aliens excluded or managed. The University of KwaZulu-Natal’s Howard College campus (HCC) is an urban... -
Daily growth of young-of-the-year of the Baringo tilapia, Oreochromis niloticus baringoensis (Trewavas, 1983)
Item type: Journal Article • Journal: African Zoology • Authors: Chrisphine S. Nyamweya --- Lake Baringo Laboratory, Kenya Marine and Fisheries Research Institute, Kenya Chrisestom M. Mlewa --- Department of Fisheries and Aquatic Sciences, Kenya Charles C. Ngugi --- Department of Fisheries and Aquatic Sciences, Kenya Boaz Kaunda-Arara --- Department of Fisheries and Aquatic Sciences, KenyaOtolith microstructure analysis was used to validate microincrement deposition rate and to determine daily growth rates of young-of-the-year (YOY) Baringo tilapia, Oreochromis niloticus baringoensis. Microincrement formation was validated as daily by correlating the number of circuli on otoliths with the... -
Preliminary insights into the level of genetic variation retained in the endangered echo parakeet (Psittacula eques) towards assisting its conservation management
Item type: Journal Article • Journal: African Zoology • Authors: Tiawanna D. Taylor --- Institute of Genetics, University of Nottingham, U.K. David Y. Parkin --- Institute of Genetics, University of Nottingham, U.K.This study examined a suite of microsatellite markers, originally developed for other parrot species, for their usefulness in providing details about the amount of genetic variation that has been retained in the endangered echo parakeet of Mauritius. Biological samples were... -
Spatial and temporal variability in the larval fish assemblage of a warm temperate South African estuary, with notes on the effects of artificial channelling
Item type: Journal Article • Journal: African Zoology • Authors: M. Kruger --- Department of Ichthyology and Fisheries Science, South Africa N.A. Strydom --- South African Institute for Aquatic Biodiversity, South AfricaThe composition, abundance, distribution and seasonality of larval fishes was investigated in the permanently open Kowie Estuary on the temperate southeast coast of South Africa. Larval fishes were sampled within the estuary and marina for a period of two years... -
Consumer patronage and willingness-to-pay at different levels of restaurant attributes: A study from Kenya
Item type: Journal Article • Journal: • Authors: David Njite --- The Lester E. Kabacoff School of Hotel, Restaurant and Tourism Administration, University of New Orleans, New Orleans, Louisiana, USA Joyce Njoroge --- School of Accounting, Drake University, Des Moines, Iowa, USA Haragopal Parsa --- School of Accounting, Drake University, Des Moines, Iowa, USA Rahul Parsa --- Department of Supply Chain and Information Systems, College of Business, Iowa State University, Ames, Iowa, USA Jean-Pierre van der Rest --- Department of Business Studies, Institute of Tax Law and Economics, Leiden Law School, Leiden University, Leiden, The NetherlandsThis study investigates the effect of three key restaurant attributes – food quality, service quality and ambiance – on consumers’ (i) willingness-to-pay (WTP) and (ii) intentions to patronage (ITP) for limited service and upscale restaurants in Kenya. A full-profile 2 (types of... -
In situ evaluation of internal drainage in duplex soils of the Tukulu, Sepane and Swartland forms
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sabelo SW Mavimbela --- Department of Soil, Crop and Climate Sciences, South Africa Leon D van Rensburg --- Department of Soil, Crop and Climate Sciences, South AfricaInternal drainage is a critical hydrological process in soil water conservation. Pedological and physical properties of the South African Tukulu, Sepane and Swartland soil types were studied in respect to soil water storage and hydraulic characteristics during internal drainage. Soil... -
Temporal and spatial dynamics of mineral levels of forage, soil and cattle blood serum in two semi-arid savannas of South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Alice F Gwelo --- Department of Livestock and Pasture, South Africa Solomon Tefera --- Department of Livestock and Pasture, South Africa Voster Muchenje --- Department of Livestock and Pasture, South AfricaIn this study, we examined temporal and spatial dynamics of minerals of forage, soil and cattle serum in two savannas (valley and plain) of South Africa. The aims were to explore the relationships between ecosystem components, and plan communal grazing... -
Effects of a fast-burning spring fire on the ground-dwelling spider assemblages (Arachnida: Araneae) in a central South African grassland habitat
Item type: Journal Article • Journal: African Zoology • Authors: Charles R Haddad --- Department of Zoology and Entomology, South Africa Stefan H Foord --- Department of Zoology, Chair in Biodiversity Value and Change, South Africa René Fourie --- Department of Zoology and Entomology, South Africa Anna S Dippenaar-Schoeman --- Biosystematics: Arachnology, Agricultural Research Council–Plant Protection Research Institute, South AfricaFire is widely used as a management strategy in grasslands to maintain vegetation structure and improve grazing quality for large herbivores. The impacts of burning on invertebrates in South Africa remain poorly understood. A study was initiated in spring 2005... -
Feeding rank in the Derby eland: lessons for management
Item type: Journal Article • Journal: African Zoology • Authors: Pavla Jůnková Vymyslická --- Department of Animal Science and Food Processing, Faculty of Tropical AgriSciences, Karolína Brandlová --- Department of Animal Science and Food Processing, Faculty of Tropical AgriSciences, Kateřina Hozdecká --- Department of Animal Science and Food Processing, Faculty of Tropical AgriSciences, Magdalena Žáčková --- Department of Animal Science and Food Processing, Faculty of Tropical AgriSciences, Pavla Hejcmanová --- Department of Animal Science and Food Processing, Faculty of Tropical AgriSciences,Transfers to new breeding herds and supplementary feeding are crucial management steps for small populations of ungulates. However, the successful realisation of those steps is strongly dependent on social interactions among individuals. Agonistic encounters connected with feeding determine the quality... -
An evaluation of the Marine Living Resources Act and supporting legal instruments as a framework for implementation of an ecosystem approach to fisheries in South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: KL Cochrane --- Department of Ichthyology and Fisheries Science, South Africa J Joyner --- Department of Ichthyology and Fisheries Science, South Africa WHH Sauer --- Department of Ichthyology and Fisheries Science, South Africa J Swan --- Formerly Senior Programme and Policy Officer, Food and Agriculture Organization of the United Nations, Italy, and Eden Island, SeychellesThe Marine Living Resources Act (MLRA), which was enacted in 1998, is the primary legislation addressing South Africa's marine fisheries. In June 2012, another important instrument, the Policy for the Small Scale Fisheries Sector (SSFP) in South Africa, was adopted... -
Biophysical models of larval dispersal in the Benguela Current ecosystem
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Lett --- UMI IRD 209 UPMC UMMISCO, Centre de Recherche Halieutique Méditerranéenne et Tropicale, France CD van der Lingen --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries, South Africa BR Loveday --- Remote Sensing Group, Plymouth Marine Laboratory, UK CL Moloney --- Marine Research Institute and Department of Biological Sciences, South AfricaWe synthesise and update results from the suite of biophysical, larval-dispersal models developed in the Benguela Current ecosystem. Biophysical models of larval dispersal use outputs of physical hydrodynamic models as inputs to individual-based models in which biological processes acting during... -
Factorial invariance of the Rahim emotional quotient index
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Martina Kotzé --- Business School, University of the Free State, South Africa Petrus Nel --- Department of Industrial Psychology, South AfricaThis study investigated the degree of factorial invariance of the 30-item Rahim Emotional Quotient Index (REQI) (Afzalur Rahim et al., 2002) across gender and language, using multiple group confirmatory factor analysis. Respondents were 341 full-time employed applicants to programmes in... -
Work-to-family enrichment: Influences of work resources, work engagement and satisfaction among employees within the South African context
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marissa De Klerk --- WorkWell Research Unit, North-West University, Potchefstroom Campus, South Africa Jan Alewyn Nel --- WorkWell Research Unit, North-West University, Potchefstroom Campus, South Africa Eileen Koekemoer --- WorkWell Research Unit, North-West University, Potchefstroom Campus, South AfricaThe aim of this study was to investigate the relationship of work resources, work-to-family enrichment, engagement and job satisfaction among employees in the South African context. Data were collected from 627 participants (females=67%, Afrikaans or English speakers=81.8%). The analysis utilised... -
Perceived challenges faced by the internal audit function in the South African public sector: A case study of The National Treasury
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Nebbel Motubatse --- Faculty of Economics and Finance, Tshwane University of Technology, South Africa Karin Barac --- Department of Auditing, South Africa Elza Odendaal --- Department of Auditing, South AfricaThis article reports on the challenges faced by the internal audit function in the South African public sector, as perceived by role players other than the internal audit function itself. This study implemented a qualitative research design, using a case... -
Classification of unregulated landfills by waste stream analysis method, a case of Chief Albert Luthuli Municipality, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Fannie Machete --- Department of Environmental Health, South Africa Karabo Shale --- Department of Environmental Health, South AfricaThe characterisation of unregulated landfills as general landfills is misleading particularly because these landfills are used to dispose of a mixed stream of general and hazardous waste. Unregulated landfills are unlicensed on-land waste disposal facilities that are not designed, constructed... -
Space radiation environment of ALSAT-2 and its degradation effect on InGaP/InGaAs/Ge solar cells
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Nadjima Benkara Mohammed --- Department of Sciences and Techniques, Faculty of Sciences and Technology, Algeria Souaad Benkara Mahammed --- Department of Electrical and Computer Engineering, Faculty of Engineering, MalaysiaSurrounding the earth, and throughout outer space, significant levels of radiation particles exist. These particles include protons, electrons, heavy ions, and other forms of radiation. Different regions are known to contain different amounts of various types of particles with different... -
Concentrating on the right measures
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Richard von Rahden --- Discipline of Anaesthesia and Critical Care, Nelson Mandela School of Medicine, College of Health Sciences, South Africa Zane Farina --- Discipline of Anaesthesia and Critical Care, Nelson Mandela School of Medicine, College of Health Sciences, South Africa Michael James --- Department of Anaesthesia, South AfricaThe continued use of “percent” in the labelling and description of many drugs used in the field of anaesthesia is an ongoing source of errors. As part of the modern drive towards safety in medicine it is proposed that the... -
Soil water and mineral nitrogen content as influenced by crop rotation and tillage practice in the Swartland subregion of the Western Cape
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Japie D Wiese --- Department of Agronomy, South Africa Johan Labuschagne --- Directorate Plant Science, South Africa Gert A Agenbag --- Department of Agronomy, South AfricaAdoption of conservation agricultural practices, reduced tillage and crop rotation in the grain-producing areas of the Western Cape, South Africa, resulted in a gradual build-up of organic matter on the soil surface. It was expected that the increase in organic... -
The African Union's Agenda 2063: Aspirations, Challenges, and Opportunities for Management Research
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Kaitlyn DeGhetto --- Department of Management, USA Jacob R. Gray --- Department of Entrepreneurship, Strategy, and Information Systems, USA Moses N. Kiggundu --- Sprott School of Business, Carleton University, CanadaAs Africa emerges, rises, and begins to forge a more positive outlook ahead, scholars, business executives, community leaders, and policymakers are increasingly calling for concerted efforts to rethink the future and come up with big ideas for the 21st century... -
The potential of young, green finger-jointed Eucalyptus grandis lumber for roof truss manufacturing
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Philip L Crafford --- Department of Forest and Wood Science, South Africa C Brand Wessels --- Department of Forest and Wood Science, South AfricaSouth Africa is a timber-scarce country that will most probably experience a shortage of structural softwood lumber in the near future. In this study the concept of using young, green finger-jointed Eucalyptus grandis lumber was evaluated for possible application in... -
Speaking the language of the patient: indigenous language policy and practice
Item type: Journal Article • Journal: South African Family Practice • Authors: Margaret Matthews --- University Language Board, Nelson R Mandela School of Medicine, Republic of South Africa Jacqueline Van Wyk --- Clinical and Pedagogical Education, Nelson R Mandela School of Medicine, Republic of South AfricaSouth Africa faces numerous challenges in healthcare, with the result that communities in many rural provinces are grossly underserved. These problems are compounded when doctors are unable to communicate with their patients. IsiZulu is spoken by most people in KwaZulu-Natal... -
Organisational commitment and job retention among nurses in a South African setting: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Terera Sharon Ruvimbo --- Department of Human Resource Management and Labour Relations, South Africa Ngirande Hlanganipai --- Department of Human Resource Management and Labour Relations, South AfricaThe objective of this article was to determine the influence of Human Resource Management practices (compensation and reward practices, performance evaluation practices and managerial leadership practices) on organisational commitment and retention of nurses in a South African public hospital setting... -
Strengths use and deficit improvement: The relationship with engagement and fit with study course amongst first-year students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gabrielle van Niekerk --- WorkWell Research Unit for Economic and Management Sciences, South Africa Karina Mostert --- WorkWell Research Unit for Economic and Management Sciences, South Africa Leon T. de Beer --- WorkWell Research Unit for Economic and Management Sciences, South AfricaThis study sought to test a model of students’ proactive behaviour to use their strengths and improve their deficits and how this relates with their self-reported perceptions of their fit with a study course and engagement. Participants were 692 first-year... -
The mediating effect of leader-member exchange between strengths use and work engagement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Crizelle Els --- WorkWell Research Unit, South Africa Jolandie Viljoen --- School of Human Resource Sciences, South Africa Leon de Beer --- WorkWell Research Unit, South Africa Lelani Brand-Labuschagne --- WorkWell Research Unit, South AfricaThis study investigated the mediating effect of leader-member exchange (LMX) (as perceived by subordinates) in the relationship between strengths use and work engagement. Participants numbered 213 employees in a South African financial organisation (females=53.10%, blacks=19.40%). Data on their perceptions of... -
Oral histories of HIV/AIDS support group members, NGO workers and home-based carers in KwaZulu-Natal
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Philippe Denis --- School of Religion, Philosophy and Classics, South AfricaThe purpose of this paper is to bring to the attention of the AIDS research community the existence of an oral history project known as the Memories of AIDS Project. The project focused on HIV/AIDS support group members, non-governmental organisation... -
Apparent digestibility and microbial protein yield of Desmodium uncinatum, Mucuna pruriens and Vigna unguiculata forage legumes in goats
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Simbarashe Katsande --- Department of Animal Science, School of Agriculture, South Africa Joseph J Baloyi --- Department of Animal Science, School of Agriculture, South Africa Florence V Nherera-Chokuda --- Agricultural Research Council, South Africa Nobbert T Ngongoni --- Faculty of Agriculture, Zimbabwe Gift Matope --- Paraclinical Department of Veterinary Sciences, Zimbabwe Plaxedis I Zvinorova --- Paraclinical Department of Veterinary Sciences, Zimbabwe Jacob Gusha --- Paraclinical Department of Veterinary Sciences, ZimbabweThis study examined the effects of adding forage legumes as protein supplements to poor-quality natural pasture (veld) hay offered to goats on microbial protein yield and nitrogen metabolism. Four indigenous Nguni-type goats were used in a 4×4 Latin cross-over design... -
Reflooding the Faguibine floodplain system, northern Mali: potential benefits and challenges
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: O Hamerlynck --- Kenya Wetlands Biodiversity Research Team, Kenya SA Moulaye Zeine --- Global Monitoring, Mauritania JY Mutua --- Kenya Wetlands Biodiversity Research Team, Kenya LV Mukhwana --- Kenya Wetlands Biodiversity Research Team, Kenya M Yéna --- Direction Nationale de l’Hydraulique du Mali, MaliThe Faguibine system, northern Mali, consists of a series of interconnected floodplains of which the flooded surface area declined from about 1 000 km² in the late 19th century to only some 90 km² in 2010. Flood extent depends on... -
Sex in troubled times: moral panic, polyamory and freedom in north-west Namibia
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Steven Van Wolputte --- Institute for Anthropological Research in Africa, BelgiumIn Namibia, early missionaries among the Herero were intrigued by the important role of the matriclan, as it did not fit their ideals of a pastoral society. Despite their obsession with female sexuality, metonymically expressed in concerns over political organisation... -
Acute management of hyperlipaemic pancreatitis: a successful reduction in triglyceride levels with simultaneous insulin infusion and plasma exchange
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: A Korb --- Specialist Physician in Private Practice, South Africa PH Sonnekus --- Specialist Physician in Private Practice, South Africa JD Botha --- Specialist Physician in Private Practice, South AfricaWe report on a case in which a combination of an insulin infusion and plasma exchange were successfully used in the acute management of hyperlipaemic pancreatitis. -
An investigation of investors’ estimates of returns earned and the effect of anchoring on these estimations
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: G Dowie --- College of Accounting, South Africa G Willows --- College of Accounting, South AfricaThis study examines overconfidence and anchoring in an investing environment to determine if there is evidence of the phenomenon amongst a sample of academics at participating universities. -
A new option in airway management: evaluation of the TotalTrack® video laryngeal mask
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: JO Choonoo --- Faculty of Health Sciences, Department of Anaesthesia, South Africa R Hofmeyr --- Faculty of Health Sciences, Department of Anaesthesia, South Africa NR Evans --- ZA Health, South Africa MF James --- Faculty of Health Sciences, Department of Anaesthesia, South Africa N Meyersfeld --- Southern Anaesthetics, South AfricaBackground: The TotalTrack® Video Laryngeal Mask (VLM) is a novel airway management device consisting of a disposable laryngeal mask paired with a reusable video display. Prior to the commencement of this study, there was no published literature on the performance... -
Characterisation of the dietary relationships of two sympatric hake species, Merluccius capensis and M. paradoxus, in the northern Benguela region using fatty acid profiles
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JA Iitembu --- Department of Fisheries and Aquatic Sciences, Namibia NB Richoux --- Department of Zoology and Entomology, South AfricaThe two sympatric species of Cape hake, Merluccius capensis and M. paradoxus, have been the main targets of bottom-trawl fisheries off Namibia for several decades. The feeding ecology of these hakes has been studied mainly using stomach content analyses and... -
Morphometric variation in the cutlassfish Trichiurus lepturus on the Kenyan coast: implications for stock identification and management
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SM Mwakiti --- University of Eldoret, Kenya B Kaunda-Arara --- University of Eldoret, Kenya CM Mlewa --- Pwani University, Kenya R Ruwa --- Kenya Marine Fisheries Research Institute, KenyaMorphometric variation was used to study population structure of the cutlassfish Trichiurus lepturus on the Kenyan coast. In all, 16 morphometric measurements taken from 193 individuals from six sites were subjected to multivariate statistical analysis in order to determine possible... -
Anchoring to determine negotiated catch limits: a case study of an industrial fishery in Oman
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: HS Al-Masroori --- Department of Marine Science and Fisheries, Sultanate of Oman S Bose --- Department of Natural Resource Economics, Sultanate of OmanDespite refinement in scientific methods of setting total allowable catches (TACs), the choice of values is affected by uncertainty that arises as a result of incomplete information and the behavioural intentions of resource users, among others. In this context, this... -
Growth rate of speckled snapper Lutjanus rivulatus (Teleostei: Lutjanidae) based on tag-recapture data from the iSimangaliso Wetland Park, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BQ Mann --- Oceanographic Research Institute, South Africa B Lee --- Fisheries Department, Falkland Islands Government, Falkland Islands PD Cowley --- South African Institute for Aquatic Biodiversity, South AfricaThe growth rate of speckled snapper Lutjanus rivulatus was investigated using data from a long-term tag-recapture study conducted in the St Lucia Marine Reserve within the iSimangaliso Wetland Park, a World Heritage Site in northern KwaZulu-Natal, South Africa. A total... -
Diversity and inclusion as indicators of sustainable human resources management in the international hospitality industry
Item type: Journal Article • Journal: • Authors: Sjoerd Gehrels --- Innovation in Hospitality, Stenden Academy of International Hospitality Research, Stenden Hotel Management School, Stenden University of Applied Sciences, Leeuwarden, The Netherlands Javed Suleri --- Stenden University of Applied Sciences, Leeuwarden, The NetherlandsThis research paper discusses the notion of sustainable human resources management (SHRM). In order to deal with current and expected talent deficiencies for the international hospitality industry, innovating approaches to HRM are highly needed. An important focus within SHRM in... -
Employees, sustainability and motivation: Increasing employee engagement by addressing sustainability and corporate social responsibility
Item type: Journal Article • Journal: • Authors: David Casey --- Stenden University of Applied Sciences, Leeuwarden, The Netherlands Sebastian Sieber --- Stenden University of Applied Sciences, Leeuwarden, The NetherlandsAn increasing number of academic studies indicate that we as humans are exploiting the planet earth to an extent that is no longer bearable. Put differently, we are actively destroying our very own basis of existence, especially considering the generations... -
Lymphovascular space invasion in early-stage endometrial cancer: adjuvant treatment and patterns of recurrence
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Esther van Barneveld --- Department of Obstetrics and Gynaecology, The Netherlands David G Allen --- Department of Obstetrics and Gynaecology, Australia Ruud LM Bekkers --- Department of Obstetrics and Gynaecology, The Netherlands Peter T Grant --- Department of Obstetrics and Gynaecology, AustraliaBackground: In early-stage endometrial cancer, lymphovascular space invasion (LVSI) is an independent predictor of relapse of disease and poorer survival. Nevertheless, adjuvant treatment for LVSI-positive patients is variable. -
The diagnosis and management of struma ovarii
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Jennifer L Butt --- Department of Obstetrics and Gynaecology; University of Stellenbosch, South Africa Tanya I Wantenaar --- Department of Anatomical Pathology; University of Stellenbosch, South AfricaStruma ovarii are a rare type of monodermal teratoma. Preoperative diagnosis of struma ovarii is difficult as the symptoms, clinical presentation and image on ultrasound are often similar to that of ovarian carcinoma. These patients, with mostly benign disease, often... -
Audiological testing for ototoxicity monitoring in adults with tuberculosis in state hospitals in Gauteng, South Africa
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Katijah Khoza-Shangase --- Department of Speech, Pathology and Audiology, School of Human and Community Development, South Africa Megan Stirk --- Department of Speech, Pathology and Audiology, School of Human and Community Development, South AfricaBackground: Ototoxicity monitoring during treatment of medical conditions, where the medications used are known to be toxic to the ear, is an important scope of practice of the audiologist; and, is an important clinical service aimed at enhancing patients’ quality... -
Idiosyncratic risk and anomaly persistence on the Johannesburg Stock Exchange (JSE)
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Daniel Page --- School of Economic & Business Sciences, University of the Witwatersrand, South Africa James Britten --- School of Economic & Business Sciences, University of the Witwatersrand, South Africa Christo Auret --- School of Economic & Business Sciences, University of the Witwatersrand, South AfricaThis study examines arbitrage costs and the persistence of the size, value and momentum premiums on the Johannesburg Stock Exchange (JSE). Two arbitrage costs are considered: transaction and holding costs. Transaction costs refer to indirect and direct costs of engaging... -
Putting the squeeze on the sample covariance matrix for portfolio construction
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Brian Munro --- Cadiz Asset Management, The Terraces, South Africa David Bradfield --- Department of Statistical Sciences, South AfricaPortfolio construction plays a critical role in adding performance to a fund. Central to portfolio construction are the two primary inputs: the vector of forecast returns and the covariance matrix. Our focus is on the covariance matrix. With guidance from... -
Psychological availability and work engagement: The moderating role of sex and race
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karolina Łaba --- Department of Industrial Psychology and People Management, South Africa Madelyn Geldenhuys --- Department of Industrial Psychology and People Management, South AfricaThis study sought to determine the relationship of sex and race as moderators of psychological availability on work engagement in various South African organisations. Participants were 1 059 employees predominantly from the corporate sector in Gauteng province (females = 61%,... -
Training and development for career management and talent development in wholesale and retail industry in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ngirande Hlanganipai --- Department of Human Resource Management and Labour Relations, South Africa Mazanai Musara --- School of Business and Economics,The study investigated ways to achieve sustainable career management as well as talent management for employees of a wholesale and retail industry operating in the city of Polokwane, South Africa. Employees (n = 85; females = 47%) completed a questionnaire... -
The value of six key soil variables for incorporation into a South African forest site classification system
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Josua H Louw --- School of Natural Resource Management, South AfricaThe intensive nature of management practices in the exotic monoculture plantations of South Africa requires reliable decision support systems. Recent socio-economic developments, the need for optimal forest productivity, as well as increasing awareness of broader ecosystem values and environmental risks,... -
The prevalence of anaemia and selected micronutrient status in pregnant teenagers of Polokwane Municipality in the Limpopo Province
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Mm Bopape --- Human Nutrition Programme, Xg Mbhenyane --- Department of Human Nutrition, M Alberts --- Medical Sciences Programme,Objective: The objective of this study was to determine the iron, folate and vitamin B12 status of pregnant teenagers in the Limpopo Province. -
Nutritional management of the burn patient
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: A. Prins --- Little Company of Mary Hospital,The incidence of burn injuries is on the increase in Africa due to migration to urban areas and the development of slum areas, but there is a paucity of such data on the African continent. The South African Medical Research... -
South African dietary total antioxidant capacity based on secondary intake data in relation to dietary recommendations
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: H Louwrens --- Department of Agricultural and Food Sciences, South Africa F Rautenbach [AN0001] I Venter --- Faculty of Applied Sciences,Objective: In this exploratory study, the average adult South African dietary total antioxidant capacity (TAC) was estimated using secondary data and was evaluated against that determined for dietary intake recommendations. -
Accuracy of reporting food energy intake: influence of ethnicity and body weight status in South African women
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Zj Mchiza --- Knowledge Systems, Nutrition Unit, South Africa Jh Goedecke --- UCT/MRC Research Unit for Exercise Science and Sports Medicine, Dept of Human Biology, South Africa Ev Lambert --- UCT/MRC Research Unit for Exercise Science and Sports Medicine, Dept of Human Biology, South AfricaThe current study sought to identify characteristics that may be associated with the misreporting of food energy intake (EI) in urban South African women. A total of 198 women (61 black, 76 of mixed ancestry, 61 white) completed a quantified... -
Food and beverage marketing to children in South Africa: mapping the terrain
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Sb Cassim --- School of Management, South AfricaThe prevalence of overweight and obesity, particularly in children, raises serious attention to its causes and possible interventions. Food marketing to children has in recent years come under scrutiny as one of the putative factors responsible for the rising rates... -
Alcohol consumption and cardiovascular disease risk in an African population in transition: the Prospective Urban and Rural Epidemiology (PURE) study
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Pt Pisa --- Centre of Excellence for Nutrition, South Africa A Kruger --- Centre of Excellence for Nutrition, South Africa Hh Vorster --- Centre of Excellence for Nutrition, South Africa Bm Margetts --- Institute of Human Nutrition, United Kingdom T Loots Du --- Centre of Excellence for Nutrition, South AfricaObjective: There is evidence showing a cardioprotective effect of light to moderate alcohol consumption in many populations. Whether alcohol consumption reduces cardiovascular disease (CVD) risk in an African population remains unclear. This study therefore assessed the associations between alcohol consumption... -
Nutritional management after colonic interposition
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: A. Basson --- Lecturer and Hospital Student Internship Supervisor, -
Genotype-based personalised nutrition for obesity prevention and treatment: are we there yet?
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: M. Senekal --- Associate Professor; Head: Division of Human Nutrition; Department of Human Biology,Interactions between genotype and dietary intake include genetic moderation of the effect of dietary intake on disease development (nutrigenetics). Research on nutrigenetics has focused mainly on single-nucleotide polymorphisms (SNPs) and supports the notion that interactions between genes, diet, other lifestyle... -
The impact of preschool feeding programmes on the growth of disadvantaged young children in developing countries: a systematic review of randomised trials
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: A Els --- Department Nutrition and Dietetics, C Walsh --- Department Nutrition and Dietetics,Background: Childhood malnutrition in developing countries contributes to developmental delays, as well as increased morbidity and mortality. The effectiveness of feeding programmes as a strategy to improve childhood malnutrition has been questioned. -
Treating an intervention level 1 patient: futile or brave?
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: N Solomons --- Department of Dietetics, N Nortje --- Department of Psychology,An ethical dilemma describes conflicting opinions by different members of the care team. This article focuses on AJ, a five-year-old child with cerebral palsy, who was born deaf and blind as a result of having contracted rubella in utero. The... -
When science meets culture: the prevention and management of erectile dysfunction in the 21st century
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Sm Kassier --- Discipline of Dietetics and Human Nutrition, Pietermaritzburg Fj Veldman --- Discipline of Dietetics and Human Nutrition, PietermaritzburgTraditionally, the term “impotence” has been used to signify a male’s inability to attain and maintain an erection.Impotence, in most circumstances, is more precisely referred to as erectile dysfunction (ED). An estimated 10-20 million men suffer from the condition.However, this... -
Nutritional management of encapsulating peritoneal sclerosis with intradialytic parenteral nutrition
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: J. Kriel --- Tygerberg Academic Hospita, N. Esau --- Tygerberg Academic Hospita, -
A desire for weight loss in season increases disordered eating behaviour risk and energy deficiency in athletes
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Hh Wright --- School of Health and Sports Sciences, University of the Sunshine Coast, Maroochydore, Queensland, Australia Centre of Excellence for Nutrition, South Africa R. Ford --- Centre of Excellence for Nutrition, South Africa Cr Botha --- Centre of Excellence for Nutrition, South AfricaObjective: The objective was to explore eating behaviour, body image and energy status in female university team sport athletes. -
SASPEN Case Study: Nutritional management of a patient with an open abdomen
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: A. Du Toit --- Groote Schuur Hospital, Cape Town -
Nutritional management of acute kidney injury in the critically ill: a focus on enteral feeding
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: J. Downs --- Head, Dietetics Department, KwaZulu-NatalOptimal nutritional management of critically ill patients who present with acute kidney injury (AKI) is paramount. The management of this patient population is probably more complicated than that of chronic care haemodialysis (HD) patients as AKI patients have significant protein... -
Nutritional management of a complicated surgical patient by means of fistuloclysis
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: A. Du Toit --- Groote Schuur Hospital, Cape Town -
The nutritional management of a central venous incident
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: A. Prins --- Little Company of Mary Hospital, PretoriaA central venous incident (CVI) is the second leading cause of death worldwide, and is associated with permanent disabilities.There are many nutrition and lifestyle modifiable risk factors for a CVI. These include diabetes, and hypercholesterolaemia and hypertension, all of which... -
Work-related Sense of Coherence Scale: Reliability and validity of scores in a South African sample
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sanet van der Westhuizen --- Department of Industrial and Organisational Psychology, South Africa Elsie Ramasodi --- Department of Industrial and Organisational Psychology, South AfricaThe study investigated the reliability and validity of scores from the Work-related Sense of Coherence Scale (Work-SoC) in a South African sample. Respondents were 326 employees from the retail industry sector in Gauteng province of South Africa (females = 48%,... -
Work engagement in the mining industry in South Africa: The role of tasks and relationships
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Joe Palo --- Optentia Research Focus Area, South Africa Sebastiaan Rothmann --- Optentia Research Focus Area, South AfricaThe platinum mining sector in South Africa presents a significant context for the study of work engagement, given the major changes and turmoil experienced by employees in this sector. The aim of this study was to investigate the effects of... -
Habitat selection of the Black-shouldered Kite Elanus caeruleus in agroecosystems of Swaziland
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Katharine A Howard --- Department of Wildlife, Sustainability, and Ecosystem Sciences, USA Thomas W Schwertner --- Department of Wildlife, Sustainability, and Ecosystem Sciences, USA James P Muir --- Department of Wildlife, Sustainability, and Ecosystem Sciences, USA Ara Monadjem --- All Out Africa Research Unit, Department of Biological Sciences, SwazilandA decline in many African raptor populations may contribute to loss of ecosystem services such as pest control. The Black-shouldered Kite Elanus caeruleus stands out as an exception, experiencing range expansions due to its proclivity for agricultural landscapes. We surveyed... -
Funding of community-based interventions for HIV prevention
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nana K Poku --- Health Economics and HIV and AIDS Research Division (HEARD), South Africa René Bonnel --- Health Economics and HIV and AIDS Research Division (HEARD), South AfricaSince the start of the HIV epidemic, community responses have been at the forefront of the response. Following the extraordinary expansion of global resources, the funding of community responses rose to reach at least US$690 million per year in the... -
Workplace Family Resources and Service Performance: The Mediating Role of Work Engagement
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Samuel Aryee --- King's College London, United Kingdom Fred O. Walumbwa --- Florida International University, United States of America Hazel Gachunga --- Jomo Kenyatta University of Agriculture and Technology, Kenya Chad A. Hartnell --- Georgia State University, United States of AmericaDrawing on the Job Demands-Resources (JD-R) model, this study examined processes through which informal workplace family resources influence service performance. Our findings reveal that family supportive supervisor behavior (FSSB) and perceived organizational family support (POFS) relate to work engagement directly... -
African Smart Cities Strategies for Agenda 2063
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Mira Slavova --- GIBS, University of Pretoria, South Africa Ekene Okwechime --- Glasgow Caledonian University, United KingdomBy synthesizing urbanization challenges and current trends in Africa, this dialogue piece captures the broader transformative processes taking place on the continent. We develop a vision of the African cities of the future and show the alignment of key aspects... -
Vegetative propagation of twelve fodder tree species indigenous to the Sahel, West Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Catherine Ky-Dembele --- World Agroforestry Centre, Mali Jules Bayala --- World Agroforestry Centre, Mali Antoine Kalinganire --- World Agroforestry Centre, Mali Fatoumata Tata Traoré --- World Agroforestry Centre, Mali Bréhima Koné --- World Agroforestry Centre, Mali Alain Olivier --- Département de phytologie, CanadaIn the Sahel region, many woody species are used as fodder because of their high nitrogen content, especially during the dry season, in contrast to grasses and crop residues. Unfortunately, this resource is being threatened by regular pruning, increasing livestock... -
The nutritional management of short bowel syndrome in a very low-birthweight neonate
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Lize Rossouw --- Chief Dietician, Elizabeth van der Merwe [cor1] -
A secure framework for SMS-based service delivery in m-government using a multicast encryption scheme
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Adebukola Onashoga --- Department of Computer Science, Nigeria Adebayo Ogunjobi --- Department of Computer Science, Nigeria Thomas Ibharalu --- Department of Computer Science, Nigeria Oluwafunmilayo Lawal --- Department of Computer Science, NigeriaThe use of mobile devices has revolutionised the world. Their affordability, high availability and usage convenience could transform the current governance to mobile government. However, in literature, the existing m-government architecture in Africa does not adequately consider security in its... -
Modelling the effects of petroleum product contaminated sand on the compressive strength of concretes using fuzzy logic and artificial neural networks: A case study of diesel
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Chidozie Chukwuemeka Nwobi-Okoye --- Faculty of Engineering, Nigeria Ikechukwu Etienne Umeonyiagu --- Department of Civil Engineering, NigeriaIn this study an artificial neural network (ANN) and fuzzy logic (FL) were used to predict the compressive strength of concrete produced with diesel contaminated sand. Concrete was produced using sand contaminated with diesel at 0, 0.5, 1, 1.5, 2,... -
Diplopia
Item type: Journal Article • Journal: South African Family Practice • Authors: Khathutshelo Percy Mashige --- Discipline of Optometry, School of Health Sciences, South Africa Alvin Jeffrey Munsamy --- Discipline of Optometry, School of Health Sciences, South AfricaPatients frequently present to medical facilities and emergency rooms with symptoms of diplopia, where a single object is observed as two items. It is important for the clinician to know the clinical presentation of diplopia to be able to determine... -
Early rheumatoid arthritis: focus on RA in the developing world
Item type: Journal Article • Journal: South African Family Practice • Authors: Mahmood MTM Ally --- Faculty of Health Sciences, Department of Internal Medicine, South Africa Pieter WA Meyer --- Faculty of Health Sciences, Department of Immunology, South Africa Ronald Anderson --- Faculty of Health Sciences, Department of Immunology, South AfricaA review was undertaken of pathogenic mechanisms in early rheumatoid arthritis (RA) and strategies for cost-effective management of RA in the developing world. Pitfalls in early disease are explored and the importance of aggressive measurable disease control is emphasised. -
Black Jack: Do company benefits and feelings have an impact on my happiness?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Rosa Naudé --- TREES (Tourism Research in Economic Environs and Society), South Africa Stefan Kruger --- TREES (Tourism Research in Economic Environs and Society), South Africa Melville Saayman --- TREES (Tourism Research in Economic Environs and Society), South Africa Cara Jonker --- School of Human Resource Sciences, South Africa Muzaffer Uysal --- TREES (Tourism Research in Economic Environs and Society), South AfricaThe aim of this study was to determine whether casino employees’ benefits and their feelings about the company influence their experienced happiness. A total of 1 502 casino employees were surveyed (females = 57%; males = 43%). They completed a... -
Promoting fan engagement: An exploration of the fundamental motives for sport consumption amongst premier league football spectators
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Frederick W. Stander --- Optentia Research Focus Area, South Africa Llewellyn E. Van Zyl --- Optentia Research Focus Area, South Africa Kemiso Motaung --- North-West University Kaizer Chiefs Innovation Centre,The aim of this study was to examine whether fan engagement could be predicted by the motivational dimensions of sport consumption. A sample of 806 football sport fans (African = 85%, male = 67.4%, part of an organised supporters club... -
Engagement of secondary school teachers in Namibia: Relational context effects
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Manfred Janik --- University of Namibia, Windhoek, Sebastiaan Rothmann --- North-West University, South AfricaThe aim of this study was to investigate relational antecedents of work engagement for secondary school teachers and to determine whether specific psychological conditions mediate the effects of relational factors on work engagement. A cross-sectional survey was used. The participants... -
Workplace ethics culture and work engagement: The mediating effect of ethical leadership in a developing world context
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jeremy Mitonga-Monga --- Department of Industrial & Organisational Psychology, South Africa Aden-Paul Flotman --- Department of Industrial & Organisational Psychology, South Africa Frans Cilliers --- Department of Industrial & Organisational Psychology, South AfricaThis study examined the mediating effect of ethical leadership on the relationship between workplace ethics culture and work engagement among employees in a railway transport organisation in the Democratic Republic of the Congo (DRC). The sample consisted of permanently employed... -
Rothmund–Thomson syndrome: anaesthesia considerations
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Neha Kasat --- Department of Paediatric Anaesthesiology, India Harick Shah --- Department of Paediatric Anaesthesiology, India Rachana Chhabria --- Department of Paediatric Anaesthesiology, India Nandini Dave --- Department of Paediatric Anaesthesiology, IndiaRothmund–Thomson syndrome (RTS) or poikiloderma congenitale is a rare autosomal recessive disorder. Approximately 300 cases of this syndrome have been reported in the scientific literature worldwide. This study reports the case of an 11-year-old female child with RTS undergoing diagnostic... -
Crop rotation and tillage system effects on reducing ryegrass occurrence in spring wheat
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sinovuyo M Nteyi --- Department of Agricultural Management, South Africa Raymond MB Auerbach --- Department of Agricultural Management, South Africa Michael I Ferreira --- Plant Sciences, South Africa Johan Labuschagne --- Plant Sciences, South AfricaUnder the Mediterranean climatic conditions of the Western Cape province, the Swartland region is intensively cropped, producing spring wheat (Triticum aestivum L.), but due to ryegrass competition, yield is reduced. In addition, ryegrass has developed resistance to herbicides. This necessitates... -
Leadership emergence: the application of the Cynefin framework during a bio-social HIV/AIDS risk-reduction pilot
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Christopher J Burman --- The Rural Development and Innovation Hub, South Africa Marota A Aphane --- The Rural Development and Innovation Hub, South AfricaThis article focuses on the utility of a knowledge management heuristic called the Cynefin framework, which was applied during an ongoing pilot intervention in the Limpopo province, South Africa. The intervention aimed to identify and then consolidate low-cost, innovative bio-social... -
The potential of replacing conventional dairy supplements with forage legume-based diets in Zimbabwe’s smallholder dairy sector
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Lovemore C Gwiriri --- International Livestock Research Institute, Zimbabwe Godfrey Manyawu --- International Livestock Research Institute, Zimbabwe Promise B Mashanda --- Department of Animal Science, Zimbabwe Irenie Chakoma --- International Livestock Research Institute, Zimbabwe Siboniso Moyo --- International Livestock Research Institute, Ethiopia Charles Chakoma --- Independent, Zimbabwe Hazel Sethaunyane --- Chikwaka-Kubatana Dairy Co-operative, Zimbabwe Venancio E Imbayarwo-Chikosi --- Department of Animal Science, Zimbabwe Sikhalazo Dube --- International Livestock Research Institute, Zimbabwe Barbara V Maasdorp --- Department of Crop Science, ZimbabweThe effect of replacing commercial supplements with isoenergetic and isonitrogenous velvet bean-, cowpeaand lablab-based supplements on milk yield, milk quality and economic returns in smallholder crossbred dairy cows was investigated in the 2013 and 2014 dry seasons. Using 3 ×... -
Forage seed production and trade as a pathway out of poverty in the smallholder sector: lessons from the Zimbabwe Crop Livestock Integration for Food Security (ZimCLIFS) project
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Irenie Chakoma --- International Livestock Research Institute, Zimbabwe Lovemore C Gwiriri --- International Livestock Research Institute, Zimbabwe Godfrey Manyawu --- International Livestock Research Institute, Zimbabwe Sikhalazo Dube --- International Livestock Research Institute, Zimbabwe Mercy Shumba --- Community Technology Development Organisation, Zimbabwe Aleck Gora --- Cluster Agricultural Development Services, ZimbabweThe major challenge to adoption of improved forage technologies in the smallholder farming sector is poor accessibility to seed of improved cultivars. Since 2012, the Zimbabwe Crop Livestock Integration for Improved Food Security (ZimCLIFS) project set out to address such... -
Promoting the use of home-mixed supplements as alternatives to commercial supplements in smallholder beef production systems in the subhumid region of Zimbabwe
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Irenie Chakoma --- International Livestock Research Institute, Zimbabwe Godfrey Manyawu --- International Livestock Research Institute, Zimbabwe Lovemore C Gwiriri --- International Livestock Research Institute, Zimbabwe Siboniso Moyo --- International Livestock Research Institute, Ethiopia Sikhalazo Dube --- International Livestock Research Institute, Zimbabwe Venancio E Imbayarwo-Chikosi --- Department of Animal Science, Zimbabwe Tinyiko E Halimani --- Department of Animal Science, Zimbabwe Charles Chakoma --- , Zimbabwe Barbara V Maasdorp --- Department of Crop Science, Zimbabwe Victor Buwu --- Department of Animal Science, ZimbabweThe economic and performance effect of supplementing smallholder cattle by substituting commercial feed with iso-nitrogenous and iso-energetic diets based on alternative protein sources was investigated in two trials. In trial 1, three diets (commercial concentrate, commercial concentrate partially substituted with... -
Effect of management on rangeland phytomass, cover and condition in two biomes in South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Roelof J Oomen --- Institute of Crop Science and Resource Conservation (INRES), University of Bonn, Germany Anja Linstädter --- Range Ecology and Range Management Group, Germany Jan C Ruppert --- Range Ecology and Range Management Group, Germany Katharina Brüser --- Institute of Crop Science and Resource Conservation (INRES), University of Bonn, Germany Jürgen Schellberg --- Institute of Crop Science and Resource Conservation (INRES), University of Bonn, Germany Frank Ewert --- Institute of Crop Science and Resource Conservation (INRES), University of Bonn, GermanyIn rangelands, grazing management is a main driver of rangeland condition. Due to masking effects of seasonal climate fluctuations, little is known about (dis)similarity of management effects on rangeland condition and forage provision across major dryland biomes. Taking a macro-ecological... -
Storage quality and marketability potential of bagged silage for smallholder dairy farmers in Zimbabwe
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Prisca H Mugabe --- Department of Animal Science, Zimbabwe Rigison Nyashanu --- Department of Animal Science, Zimbabwe Sharai Ncube --- Department of Animal Science, Zimbabwe Venancio E Imbayarwo-Chikosi --- Department of Animal Science, Zimbabwe Shephard Siziba --- Department of Agricultural Economics and Extension, Zimbabwe Barbara V Maasdorp --- Department of Crop Science, ZimbabweBagged sole maize and maize–cowpea silages in three bag sizes were assessed at 42 and 282 d post-ensiling for sensory and chemical quality. A survey of dairy farmers on silage use and preferences was conducted in the Chikwaka communal area... -
Dark times for dageraad Chrysoblephus cristiceps: evidence for stock collapse
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D Parker --- Department of Biological Sciences, South Africa H Winker --- South African National Biodiversity Institute, South Africa CG Attwood --- Department of Biological Sciences, South Africa SE Kerwath --- Department of Biological Sciences, South AfricaThe declaration of a state of emergency in the South African linefishery in 2000 has had a positive impact on a few overexploited endemic seabreams (Family Sparidae). However, the population of the reef-dwelling dageraad Chrysoblephus cristiceps has been unresponsive to... -
Network Bricolage as the Reconciliation of Indigenous and Transplanted Institutions in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Kevin McKague --- Shannon School of Business, Cape Breton University, Canada Christine Oliver --- Schulich School of Business, York University, CanadaThis paper argues that network bricolage can play an important role in reconciling informal indigenous institutions rooted in African history with formal institutions mostly transplanted from outside. Drawing on the literature on bricolage, social entrepreneurship, networks and institutional entrepreneurship, and... -
Community member perceptions of influences on teenage pregnancies
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nancy Phaswana-Mafuya --- Human Sciences Research Council, South Africa Cily Tabane --- University of South Africa, South Africa Adlai Davids --- Human Sciences Research Council, South AfricaThis exploratory qualitative study aimed to provide insight into the factors contributing to the high prevalence rate of teenage pregnancy in South African communities. Focus group were conducted with 193 community members (females = 44.6%; adults = 50.8%, teenagers/youth =... -
Health and well-being among teenage mothers in a rural South African community
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jabu P. Mokwena --- Department of Psychology, Saraswathie Govender --- Department of Psychology, Mokgadi B. Setwaba --- Department of Psychology,This study sought to identify patterns of general health symptoms and coping abilities among school-going teenage mothers in the central region of Limpopo province, South Africa. The participants were 56 teenage mothers and 56 typically developing girls or non-mother peers... -
Serum AGEs in black South African patients with type 2 diabetes
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Catherine Martha Mhlanga --- Department of Biochemistry, School of Pathology & Pre-Clinical Sciences, South Africa Motetelo Alfred Mogale --- Department of Biochemistry, School of Pathology & Pre-Clinical Sciences, South Africa Agustine Adu --- Department of Internal Medicine, School of Medicine, South Africa Leshweni Jeremiah Shai --- Faculty of Science, Department of Biomedical Sciences, South AfricaObjective: The objective of this study was to determine serum advanced glycation end products (AGEs) levels in black South African patients with and without type 2 diabetes (T2D) and to compare the results with those reported for other ethnic/race groups. -
The role of dexamethasone in peripheral and neuraxial nerve blocks for the management of acute pain
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: KG Gordon --- Department of Anaesthetics, South Africa S Choi --- Department of Anesthesia, Canada RN Rodseth --- Nelson R. Mandela School of Medicine, South AfricaDexamethasone has an emerging role as an additive in regional anaesthesia for the management of acute pain. However, outcomes in terms of improvement and prolongation of analgesia, as well as the methods of administration and potential adverse effects, have yet... -
Impact of fuelwood quality and quantity on the energy use of rural households in the Omusati Region, north-central Namibia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Feliciana N Hainduwa --- Department of Forest and Wood Science, South Africa Cori Ham --- Department of Forest and Wood Science, South Africa Martina Meincken --- Department of Forest and Wood Science, South AfricaThe relation between fuelwood use and fuelwood quality and quantity was studied in two northern Namibian rural communities with different levels of fuelwood availability. Household surveys were conducted and fuelwood quality was assessed through laboratory studies. The study found differences... -
The case for behavioural change counselling for the prevention of NCDs and improvement of self-management of chronic conditions
Item type: Journal Article • Journal: South African Family Practice • Authors: KM Murphy --- Department of Medicine, South Africa R Mash --- Division of Family Medicine and Primary Care, South Africa Z Malan --- Division of Family Medicine and Primary Care, South AfricaBrief behaviour change counselling (BBCC) that is integrated into routine health care has been shown to be effective in helping patients modify risk behaviours for non-communicable disease (NCD), improve self-management of chronic conditions, as well as produce clinically meaningful improvements... -
Still lost in translation: language barriers in South African health care remain
Item type: Journal Article • Journal: South African Family Practice • Authors: VL Van den Berg --- Faculty of Health Sciences, Department of Nutrition and Dietetics, South AfricaThe patient-centred model of health care, which recognises patients’ autonomy, promotes their active participation in decisions concerning their own health, and strives to treat patients holistically, improves health outcomes but relies on effective communication between healthcare providers and patients. In... -
The Outsider Within: An Analysis of the Representation of Power and Language in Tayeb Salih’s Season of Migration to the North
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Mohammad Shabangu --- Department of English, GermanyUsing Tayeb Salih’s Season of Migration to the North, this article argues that Salih employs the precariousness of language as a key organizing principle for his novel about cultural deracination. In doing so, he calls into question the very sense... -
A tale from the field: Reflexivity during management research in an African-based development organisation
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Loice Natukunda --- Management, University of Sheffield, United Kingdom Phil Johnson --- Management, University of Sheffield, United Kingdom Pauline Dibben --- Management, University of Sheffield, United KingdomThis article is a product of the reflexive experience of data collection and analysis in a development organisation in Uganda. Several studies provide helpful debates about managing people in Africa. However, existent literature seldom covers pertinent issues related to collecting... -
Dynamic Tensions from Management Control Systems and Performance in a Sub-Saharan African Economy: Mediating Effects of Competitive Strategy
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Moses Acquaah --- Department of Management, USA Ahmed Agyapong --- Department of Marketing and Corporate Strategy, GhanaThis study examines how the dynamic tension created as a result of the simultaneous and balanced use of controlling and innovative forces of management control systems indirectly influences firm performance through competitive strategy. Using data from 106 firms from Ghana,... -
A machine survival time-based maintenance workforce allocation model for production systems
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: D.E. Ighravwe --- Department of Mechanical Engineering, Nigeria S.A. Oke --- Department of Mechanical Engineering, NigeriaToday’s maintenance workforce operates in a complex business environment and relies on metrics that indirectly link equipment breakdown, fluctuating production rate, demand uncertainties and fluctuating raw material requirements. This has triggered a change in the scope as well as the... -
A review of factors associated with indiscriminate dumping of waste in eleven African countries
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: I. Dladla --- Department of Environmental Health, South Africa F. Machete --- Department of Environmental Health, South Africa K. Shale --- Department of Environmental Health, South AfricaMost developing countries grapple with management of solid waste and environmental health risks associated with insanitary conditions. Indiscriminate dumping of household and industrial waste remains an alternative means of waste disposal for communities that have no access to reliable refuse... -
“Slow marriage,” “fast bogadi”: change and continuity in marriage in Botswana
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Jacqueline Solway --- Department of International Development Studies and Department of Anthropology, CanadaClassic work on Tswana marriage emphasises that it is a process of becoming, involving a series of rituals and prestations characterised by a long period of socially productive ambiguity in which the status of the union, the spouses, their children... -
Is it enough to talk of marriage as a process? Legitimate co-habitation in Umlazi, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Mark Hunter --- Human Geography, CanadaSome 65 years ago Radcliffe-Brown wrote that marriage is “not an event or a condition but a developing process.” This position became modified two decades later when John Comaroff and Simon Roberts demonstrated the ambiguity of the process of marriage... -
Traditions of kinship, marriage and bridewealth in southern Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Adam Kuper --- Anthropology, United KingdomIn the pre-colonial period, and in most parts of Southern Africa throughout the nineteenth and well into the twentieth century, marriage, the family and the homestead were embedded in economic, political and religious institutions. The household was the hub of... -
The materiality of marriage payments
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Hylton White --- Department of Anthropology, South AfricaIt is generally agreed that rates of marriage are declining in Southern Africa. It is also clear that for people who are wealthy enough to marry, the long-standing constitution of marriage as process is increasingly replaced by a making of... -
Marriage as an end or the end of marriage? Change and continuity in Southern African marriages
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Julia Pauli --- Institute of Social and Cultural Anthropology, Germany Rijk van Dijk --- African Studies Centre, The NetherlandsMarriage used to be widespread and common throughout Southern Africa. However, over the past decades marriage rates have substantially declined in the whole region. Marriage has changed from a universal rite of passage into a conspicuous celebration of middle class... -
Not marrying in South Africa: consumption, aspiration and the new middle class
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Deborah James --- Department of Anthropology, London School of Economics, Great BritainThis article explores how marriage, or its absence, features in relation to the aspirations and obligations of members of South Africa’s new black middle class. In a context where the state and credit have played key roles in the newly... -
The struggle for marriage: elite and non-elite weddings in rural Namibia
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Julia Pauli --- Institute of Social and Cultural Anthropology, University of Hamburg, Germany Francois Dawids --- Master of the Post Office, NamibiaNamibian weddings have become lavish and expensive rituals. Recent studies have discussed how these marriage transformations are linked to late capitalism and the spread of modernisation ideologies. Much of this research concludes that marriage has become a middle class institution,... -
Marriage, kinship and childcare in the aftermath of AIDS: rethinking “orphanhood” in the South African lowveld
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Isak Niehaus --- Anthropology Division, United KingdomIn this article I consider the significance of marriage from the vantage point of children’s affiliation to domestic units during the era of South Africa’s AIDS pandemic. Drawing on multi-temporal fieldwork in Impalahoek, a village in the Bushbuckridge municipality of... -
Rights, violence and the marriage of confusion: re-emerging bride abduction in South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: W.J. (Jaco) Smit --- Department of Cultural Anthropology and Development Sociology, The NetherlandsDuring the last few decades, South(ern) Africa has witnessed a steady decline in marriage. While the paths people take to get married are diversifying due to various challenges — mainly a changing economy and high bride wealth demands — certain... -
Lived experiences of school-going early mothers in Swaziland
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kayi Ntinda --- Department of Educational Foundations and Management, Swaziland S’lungile K. Thwala --- Department of Educational Foundations and Management, Swaziland Thulile P. Dlamini --- Department of Educational Foundations and Management, SwazilandThis study explored the lived family and community experiences of Swazi school-going early mothers (N = 15; age range 13–22 years). Participants responded to family and community relationship experiences focus group discussions. The data were content thematically analysed. The findings... -
Factors leading to orphans and vulnerable children living in community-based homes
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jace Pillay --- South African Research Chair: Education and Care in Childhood, Faculty of Education,This study explored the influences on living arrangements of orphans and vulnerable children (OVC) housed at a community-based home in Johannesburg, South Africa. A total of 50 OVC (males = 36%, females = 64%; age range 11 to 18 years)... -
The relationship between the management of payables and the return to investors
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: T. Moodley --- Gordon Institute of Business Science, South Africa M. Ward [cor1] C. Muller --- Gordon Institute of Business Science, South AfricaEffective working capital management assists a firm in achieving improved liquidity through the management of the components of receivables, inventory, and payables. Previous studies have established that changes in working capital have a strong positive correlation to profitability and that... -
First record of a spiral form of Aulacoseira, A. ambigua f. japonica (F.Meister) Tuji & D.M.Williams, in South African fresh waters
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: S Janse van Vuuren --- Unit for Environmental Sciences and Management, North-West University, South Africa JC Taylor --- Unit for Environmental Sciences and Management, North-West University, South AfricaWater quality and algal populations in the Vaal River Barrage Reservoir have been monitored extensively for many decades, because of its importance as a water source for the most densely populated area in South Africa. Although Aulacoseira granulata (Ehrenberg) Simonsen... -
Organochlorine pesticides in Cyprinus carpio from Sidi Salem Dam, north-western Tunisia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: N Mzoughi --- Institut National des Sciences et Technologies de la Mer, Laboratoire Milieu Marin, R Ennouri --- Institut National des Sciences et Technologies de la Mer, Laboratoire Milieu Marin, L Chouba --- Institut National des Sciences et Technologies de la Mer, Laboratoire Milieu Marin,Cyprinus carpio (Linnaeus, 1758) caught in Sidi Salem Dam in 2011 were analysed for the levels of organochlorine pesticides (OCPs), including hexachlorobenzene (HCB), aldrin, heptachlor, lindane, dieldrin, endrin, and pp′-DDT and its two main metabolites pp′-DDD and pp′-DDE, in order... -
Role of Brycinus lateralis (Teleostei: Alestidae) in dispersal and germination of Nymphaea nouchali (Angiospermae: Nymphaeaceae) seeds on a seasonal floodplain of the Okavango Delta, Botswana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Mmusi --- Okavango Research Institute, Botswana K Mosepele --- Okavango Research Institute, Botswana M Murray-Hudson --- Okavango Research Institute, Botswana D Teketay --- Department of Crop Science and Production, Botswana M Horn --- Department of Biological Science, USASeed passage through the gut of vertebrates can be important for seed dispersal, but might influence seed viability. The ability of seeds to germinate after ingestion by seed-eating fish is important for the population dynamics of some plant species, and... -
Age and growth of redeye round herring Etrumeus whiteheadi off the South African coast
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: Y Geja --- Branch Fisheries Management, Department of Agriculture, Forestry and Fisheries, South Africa MD Durholtz --- Branch Fisheries Management, Department of Agriculture, Forestry and Fisheries, South Africa CL Moloney --- Zoology Department and Marine Research Institute, South AfricaAges of redeye round herring Etrumeus whiteheadi were estimated with associated errors and used to infer life-history information, such as age composition, age-at-maturity and instantaneous mortality rate. Samples were collected in November 2005 during a research survey aimed at estimating... -
Child factors associated with complementary feeding practices in Uganda
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Alex Mokori --- Institute of Food, Nutrition and Well-being, University of Pretoria, Uganda Hettie Schonfeldt --- Institute of Food, Nutrition and Well-being and Department of Animal and Wildlife Sciences, South Africa Sheryl L Hendriks --- Institute of Food, Nutrition and Well-being and Department of Agricultural Economics, Extension and Rural Development, South AfricaObjectives: The objective of the study was to identify child factors that influenced complementary feeding practices in 2006 and 2011 in Uganda. -
To what extent are students as middle managers at a training hotel involved in strategic decision making?
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Tjeerd Zandberg --- Stenden University, the NetherlandsResearch has shown that middle managers can exert major upward or downward influence on their organisation's strategy. In the practice department of our hotel school, senior students act as managers to train managerial competences. To analyse if this reflects reality,... -
Employer branding: A new approach for the hospitality industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sjoerd A Gehrels --- Stenden University of Applied Sciences, the Netherlands Joachim de Looij --- Hotel Mercure Arthur Frommer, The NetherlandsThe Western hospitality industry experiences a shortage of skilled professionals due to a poor image and competition from other sectors. Employer branding, which is used as a human resources strategy to differentiate brands, has the potential to deal with some... -
Quality assessment in small businesses: the case of Dutch culinary restaurants
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sjoerd Gehrels --- Stenden University of Applied Sciences, The Netherlands Berry Dumont --- Fletcher Hotel and Restaurant Kasteel Ehrenstein, The NetherlandsResearch material on quality definitions in the specific small business segment of culinary restaurants is scarce. Defining quality in culinary restaurant small businesses deserves increased attention in order to further develop professionalism within this segment. For this research nine Dutch... -
How economic crisis affects revenue management: the case of the Prague Hilton hotels
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sjoerd Gehrels --- Stenden University of Applied Sciences, The Netherlands Oleksandra Blanar --- Hilton Prague Hotel, Czech RepublicThis study explores revenue management practices in two Prague hotels throughout the past years of economic crisis. The purpose of the research was to inform hospitality managers and educators about revenue management practices in central Europe's emerging and challenging hospitality... -
How to develop student-centred management cases
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Klaes Eringa --- Stenden University of Applied Sciences, The Netherlands Perry Yi Jin --- Stenden University of Applied Sciences, The NetherlandsCase studies are very popular in management education. Many case studies, however, are written at a level that is beyond the understanding of their target audience and therefore fail to do what they are intended for. The present study examines... -
An investigation in purchasing practices of small F&B operators
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Michel Altan --- Academy of Hospitality and Facility Management, NHTV Breda, The Netherlands Christine Demen-Meier --- Ecole Hôtelière de Lausanne, Le Chalet-à-Gobet, SwitzerlandThe food and beverage (F&B) purchasing function is operating in a rapidly changing environment, whereby professionalisation and efficiency become key. This paper aims to identify generic skills that are most important for small F&B operators when it comes down to... -
The role of employee wellness programme in the hospitality industry: a review of concepts, research, and practice
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Tingting (Christina) Zhang --- Department of Human Sciences, USA Jay Kandampully --- Department of Human Sciences, USA Hye Yoon Choi --- Department of Human Sciences, USAIn the hospitality industry, employees are critical to firm success, through their intimate interactions with customers to create memorable experiences and relationships. A nascent strategy adopted by many hospitality firms seeks to increase employee engagement and commitment through employee wellness... -
Connecting entrepreneurship and education
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sjoerd A. Gehrels --- Stenden Academy of International Hospitality Research, The NetherlandsThe aim of this research is to explore the contextual characteristics of a particular group of Dutch restaurant owners, the successful culinary entrepreneurs (SCEs), to examine how these contextual characteristics might be used in a hospitality education. This very small... -
Consumer patronage and willingness-to-pay at different levels of restaurant attributes: A study from Kenya
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: David Njite --- The Lester E. Kabacoff School of Hotel, Restaurant and Tourism Administration, University of New Orleans, USA Joyce Njoroge --- School of Accounting, Drake University, USA Haragopal Parsa --- Fritz Knoebel School of Hospitality Management, University of Denver, USA Rahul Parsa --- Department of Supply Chain and Information Systems, USA Jean-Pierre van der Rest --- Department of Business Studies, The NetherlandsThis study investigates the effect of three key restaurant attributes—food quality, service quality and ambiance—on consumers' (i) willingness-to-pay (WTP) and (ii) intentions to patronage (ITP) for limited service and upscale restaurants in Kenya. A full-profile 2 (types of restaurants) x... -
Diversity and inclusion as indicators of sustainable human resources management in the international hospitality industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sjoerd Gehrels --- Innovation in Hospitality, Stenden Academy of International Hospitality Research, Stenden Hotel Management School, The Netherlands Javed Suleri --- Stenden University of Applied Sciences, The NetherlandsThis research paper discusses the notion of sustainable human resources management (SHRM). In order to deal with current and expected talent deficiencies for the international hospitality industry, innovating approaches to HRM are highly needed. An important focus within SHRM in... -
Employees, sustainability and motivation: Increasing employee engagement by addressing sustainability and corporate social responsibility
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: David Casey --- Stenden University of Applied Sciences, The Netherlands Sebastian Sieber --- Stenden University of Applied Sciences, The NetherlandsAn increasing number of academic studies indicate that we as humans are exploiting the planet earth to an extent that is no longer bearable. Put differently, we are actively destroying our very own basis of existence, especially considering the generations... -
Wasted millions: Revenue management in Dutch culinary restaurants
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Bill Rowson --- Stenden Hotel Management School, Academy of International Hospitality Research, The Netherlands Wouter van Poppel --- Het Concertgebouw, The Netherlands Sjoerd Gehrels --- Stenden Hotel Management School, Academy of International Hospitality Research, The NetherlandsThe concept of revenue management is widely adopted in various industries including the hospitality industry. Yet, its application to the restaurant industry has been limited. Especially culinary restaurants appear to be a somewhat unexplored area of study, thus indicating a... -
Hotel rate parity in the focus: Is there a need for change in the relationship between hotels in Berlin and their wholesale partners?
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Bastian Rashek --- School of Hospitality Management, The Netherlands Radu Mihailescu --- School of Hospitality Management, The NetherlandsRecent developments in revenue management at hotels in Berlin have brought a lot of challenges in upholding rate parity, particularly in the wholesale segment. Little research has been done on this topic, especially with regard to the advantages and disadvantages... -
Comparing hotels’ employer brand effectiveness through social media and websites
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sjoerd Gehrels --- Stenden Hotel Management School, The Netherlands Natascha Wienen --- Stenden Hotel Management School, The Netherlands Julio Mendes --- Faculty of Economics, PortugalThis research explores hotel companies’ employer branding (EB) through the internet. Many countries in the world will face a gap between the demand for talent in the hospitality and tourism industry and the available talent pool. Previous research found that,... -
Employees’ perspectives of service quality in hotels
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Mukhles M. Al-Ababneh --- Department of Hotel and Tourism Management, JordanAlthough the importance of service quality has been recognised, few studies have addressed service quality in hotels from the perspective of employees. Therefore, this study aims to measure the service quality of four and five-star hotels in Jordan from the... -
Problem-based learning in the first or second language: Does it make a difference?
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Dirk Humalda --- Stenden Hotel Management School, The Netherlands Wichard Zwaal --- Stenden Hotel Management School, Academy of International Hospitality Research, The NetherlandsProblem-based learning (PBL) is the key didactic approach in the curriculum of the Stenden Hotel Management School. Real-world problems are used to activate prior knowledge and to trigger a learning process aimed at expanding and elaborating students’ understanding and competences... -
Nutritional status and metabolic risk in HIV-infected university students: challenges in their monitoring and management
Item type: Journal Article • Journal: South African Family Practice • Authors: L Steenkamp --- HIV&AIDS Research Unit, South Africa I Truter --- Department of Pharmacy, Drug Utilization Research Unit (DURU), South Africa M Williams --- Department of Nursing, South Africa A Goosen --- Campus Health Service, South Africa I Oxley --- Department of Dietetics, South Africa E van Tonder --- Department of Dietetics, South Africa S Kock --- Department of Human Movement Science, South Africa DJL Venter --- Unit for Statistical Consultation, South AfricaObjective: This study aims to describe challenges in the management of HIV-infected university students focusing on their nutritional status and metabolic risk. -
Writing (as) Africans — French Fiction Between Empathy and Orientalism
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Oana Panaïté --- Department of French and Italian, United StatesThis article examines the impact colonial ideology and discursive practices have on French writing about Africa. I begin by examining the constitution and reiteration of a series of defining scenes such as the momentous departure for the African colonies and... -
Things Fall Apart and the Pedagogy of Adichie’s Single Story
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Eve Eisenberg --- English Department, USAThis essay undertakes a critical examination of the epistemological and pedagogical risks and rewards of teaching Chinua Achebe’s Things Fall Apart in American secondary schools. I consider these issues from several different viewpoints. Recent research suggests that American students receive... -
Converting Achebe’s Africa for the New Tanzanian: Things Fall Apart in Swahili Translation
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Meg Arenberg --- Princeton Institute of International and Regional Studies, USAGiven the centrality of Chinua Achebe’s work in the early debates surrounding language choice in African fiction and Achebe’s own claims about the necessary transformation of English in representing African reality, what happens when his most acclaimed and archetypal novel... -
Love grows with sex: teenagers negotiating sex and gender in the context of HIV and the implications for sex education
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Deevia Bhana --- School of Education, South AfricaHow do teenagers located in the KwaZulu-Natal province of South Africa, the epicentre of the HIV pandemic, give meaning to sexuality? This paper examines teenage black Africans investments in sex and sexuality and the gendered dynamics through which sexuality is... -
A response to Gatali and Wallin (2015) Bird diversity in the savanna habitats of Akagera National Park, Rwanda, in the post-war recovery period
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: James WT Hogg --- Scarth Wood Farm, UK Gaël R Vande weghe --- Illume Creative Studio, RwandaThe paper ‘Bird diversity in the savanna habitats of Akagera National Park, Rwanda, in the post-war recovery period’ by Gatali and Wallin (Ostrich 86(3): 267–276, 2015) makes several claims for new species records for Akagera National Park and Rwanda. We... -
Bird watching and estimation of bird diversity – not always corresponding: a reply to Hogg and Vande weghe
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Callixte Gatali --- Department of Wildlife and Aquatic Resources Management, Rwanda Kjell Wallin --- Department of Biological and Environmental Sciences, SwedenSome occurrences of rare or unusual bird species reported by us in a previous paper (Ostrich 86(3): 267–276, 2015) are considered to be doubtful by Hogg and Vande weghe (Ostrich 88(1): 83–88, 2017). We believe that some of the problems... -
Efficacy of fungicides, plant resistance activators and biological control agents against guava wilt disease caused by Nalanthamala psidii
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Maritha H Schoeman --- Agricultural Research Council–Institute for Tropical and Subtropical Crops, South Africa Nico Labuschagne --- Department of Microbiology and Plant Pathology, South Africa Frikkie J Calitz --- Agricultural Research Council–Biometry, South AfricaGuava wilt disease (GWD) caused by the fungus Nalanthamala psidii remains a major constraint to guava production in South Africa and South-east Asia. In the current study, chemical and biological products as well as plant resistance activators were evaluated for... -
University-driven inclusive innovations in the Western Cape of South Africa: Towards a research framework of innovation regimes
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sara Grobbelaar --- DST-NRF CoE in Scientometrics and Science, Technology and Innovation Policy, South Africa Robert Tijssen --- Centre for Research on Evaluation, Science and Technology (CREST), South Africa Marjolijn Dijksterhuis --- Stellenbosch Business School, South AfricaInclusive innovation refers to the improvement of living conditions and creation of employment opportunities for the poor through the development or co-creation of new products, services, processes and business models aimed at resource poor communities. Based on an empirical study... -
Managing and improving data quality through the adoption of data warehouse in the public sector
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Edzai Kademeteme --- Department of Informatics, South Africa Billy Mathias Kalema --- Department of Informatics, South Africa Pieter Pretorius --- Department of Informatics, South AfricaThe increasing use of technology in organizations has resulted in burgeoning sizes of data, a wider variety of data sources and diverse data structure, all calling for better storage, retrieval and analytics. The increasing demands that data make on organizations,... -
Towards a new model to benchmark firms’ operating efficiency: A data envelopment analysis approach
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Merwe Oberholzer --- Accounting Sciences, South Africa Dawie Mong --- Accounting Sciences, South Africa Jan van Romburgh --- Accounting Sciences, South AfricaThe purpose of the study was to construct two similar data envelopment analysis (DEA) models. The first contains only published accounting-based data and the second added weighted average cost of capital (WACC), a primary market-based determinant, as an input variable... -
The Internationalization of African Small and Medium Enterprises (SMEs): A South-North Pattern
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Everlyne Misati --- Florida International University, USA Fred O. Walumbwa --- Florida International University, USA Somnath Lahiri --- Illinois State University, USA Sumit K. Kundu --- Florida International University, USADespite the growing internationalization of small and medium enterprises (SMEs) from Africa, related research remains limited. Adopting a qualitative approach, this study investigates three SMEs in the African coffee subsector that internationalized rapidly beyond the continent. The case studies, based... -
Experiences and Challenges of Women Leaders in Sub-Saharan Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Angela Titi Amayah --- Business Management Economics, USA MD Haque --- Managing Director, USAThere is little research on non-Western women managers and leaders in general, and on African women in particular. More attention could be given to influences that shape leadership experiences in order to better understand African women leadership practices. The purpose... -
How disruptive can Smart Beta be to the South African Active Fund Management Fraternity?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Jean-Jacques Duyvené de Wit --- Prescient Securities, South Africa Daniel Polakow --- School of Actuarial Science, South AfricaThis research paper explores the theme of Smart Beta and the current state of inefficiency of active fund fee structures in South African domestic equity unit trusts. The emerging understanding is that many of the latent sources of value-add (or... -
Evaluation of the sustainability of participatory management of forest plantations: the case study of Wari-Maro Forest Reserve, Republic of Benin
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Kisito Gandji --- Laboratory of Biomathematics and Forest Estimations, Faculty of Agronomic Sciences, Republic of Benin Valère K Salako --- Laboratory of Biomathematics and Forest Estimations, Faculty of Agronomic Sciences, Republic of Benin Achille E Assogbadjo --- Laboratory of Biomathematics and Forest Estimations, Faculty of Agronomic Sciences, Republic of Benin Vincent OA Orekan --- Laboratory of Biogeography and Environmental Expertise, Faculty of Letters, Arts and Human Sciences, Republic of Benin Romain L Glèlè Kakaï --- Laboratory of Biomathematics and Forest Estimations, Faculty of Agronomic Sciences, Republic of Benin Brice A Sinsin --- Laboratory of Applied Ecology, Faculty of Agronomic Sciences, Republic of BeninThis study assessed ecological and socio-economic impacts of a participatory forest management project in the Republic of Benin. The study focused on the Wari-Maro Forest Reserve and the ‘Projet d’Aménagement des Massifs Forestiers’ five years after its completion. A forest... -
Impact of pipe roughness on the performance of a water distribution network: A case study of the Westbury Network, Johannesburg, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Stephen Nyende-Byakika --- Department of Civil Engineering, South AfricaThe Westbury area, a suburb of the city of Johannesburg, is characterized by a very old pipe network, high water losses as well as high operating and maintenance costs. Consequently, a network rehabilitation project was proposed for the area, with... -
Evaluation of mageu-based gluten-free bread loaf characteristics
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Leigh McCarroll --- Department of Biotechnology and Food Technology, South Africa Suretha de Kock --- Department of Biotechnology and Food Technology, South AfricaGluten-free bread (GFB) has poor quality attributes compared with wheat bread. Coeliac disease is an autoimmune disease triggered by gluten consumption. Mageu, a traditional beverage, was used in GFB with hydrocolloids, sorghum, soybean flour and maize starch. Quality parameters included... -
Land use change and its drivers in Kurt Bahir wetland, north-western Ethiopia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: G Shewit --- Bahir Dar University, College of Agriculture and Environmental Sciences, Ethiopia M Minwyelet --- Bahir Dar University, College of Agriculture and Environmental Sciences, Ethiopia M Tesfaye --- Bahir Dar University, College of Agriculture and Environmental Sciences, Ethiopia T Lewoye --- Bahir Dar University, College of Agriculture and Environmental Sciences, Ethiopia M Ferehiwot --- Bahir Dar University, College of Agriculture and Environmental Sciences, EthiopiaThe effects of land-use change on ecosystem services in Kurt Bahir wetland were investigated during 2013 to 2014 using LANDSAT satellite images from 1973, 1986, 2002 and 2013 to identify and map changes in land-use classes over time. To understand... -
Developing primary health care and public health competencies in undergraduate medical students
Item type: Journal Article • Journal: South African Family Practice • Authors: Stephen E Knight --- School of Nursing and Public Health, College of Health Sciences, South Africa Andrew J Ross --- School of Nursing and Public Health, College of Health Sciences, South Africa Ozayr Mahomed --- School of Nursing and Public Health, College of Health Sciences, South AfricaBackground: The Selective Programme (Selectives) at the University of KwaZulu-Natal (UKZN) is a three-year longitudinal, community-based programme within the undergraduate medical curriculum, which aims to develop primary health care (PHC) and public health competencies in students using the community-oriented primary... -
A pilot of the use of Short Message Service (SMS) as a training tool for anaesthesia nurses
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: R Duys --- Department of Anaesthesia and Perioperative Medicine, South Africa S Duma --- School of Health and Rehabilitation Sciences, University of Cape Town, South Africa R Dyer --- Department of Anaesthesia and Perioperative Medicine, South AfricaBackground: Anaesthesia nurses form a critical part of the team providing perioperative care to patients, but no accredited training exists for them in South Africa. In this setting, short in-service training interventions are a pragmatic attempt at improving nurse performance... -
Perceptions of final-year UKZN medical students about anaesthesia as a specialty choice
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: AL Gqiba --- Department of Anaesthesia, South Africa PD Gopalan --- Department of Anaesthesia, South Africa CA Evans --- Department of Anaesthesia, South AfricaBackground: South Africa suffers from a drastic shortage of anaesthesiologists. This shortage has a major impact on the provision of safe, timeous and appropriate surgery for the population. One factor implicated in this shortage may be the difficulty in appropriate... -
An investigation of maternal mortality at a tertiary hospital of the Limpopo province of South Africa
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Sam Thembelihle Ntuli --- Research Development Administration, South Africa Mabina Mogale --- Department of Public Health: Epidemiology and Biostatistics, South Africa Francis LM Hyera --- Department of Public Health Medicine, South Africa Shan Naidoo --- Department of Community Health, School of Public Health, South AfricaObjective: To understand the elements influencing the maternal deaths in the Limpopo province, South Africa. -
Organic carbon associated with tillage-induced aggregates of some quartz-dominated loamy soils in a semi-arid region of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Isaiah IC Wakindiki --- School of Agriculture, South Africa Sarah K Njeru --- Department of Agronomy, South AfricaTillage breaks down soil aggregates exposing the associated organic matter to increased degradation. The extent of degradation depends on the soil properties, mainly texture and mineralogy. The objective of this study was to determine the amount of soil organic carbon... -
Defoliation management affects morphogenetic and structural characteristics of mixed pastures of brachiaria grass and forage peanut
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Juliana C Pereira --- Department of Animal Science, Brazil Fernanda K Gomes --- Department of Animal Science, Brazil Michael DBL Oliveira --- Department of Animal Science, Brazil Marcio AS Lara --- Department of Animal Science, Brazil Thiago F Bernardes --- Department of Animal Science, Brazil Daniel R Casagrande --- Department of Animal Science, BrazilA sound understanding of the effects of defoliation management in a grass–legume pasture is key in balancing populations between species. The aim of this study was to quantify the morphogenetic and structural characteristics and forage production of brachiaria grass and... -
Forest health and vitality: the detection and monitoring of Pinus patula trees infected by Sirex noctilio using digital multispectral imagery
Item type: Journal Article • Journal: Southern Hemisphere Forestry Journal • Authors: R Ismail O Mutanga U BobThe Eurasian woodwasp, Sirex noctilio, causes considerable tree mortality in commercial pine plantations in southern KwaZulu-Natal, South Africa. Broad-scale visual assessments of infestation provided by forest managers are currently used to measure forest health and vitality. The effectiveness of visual... -
Soil fertility and growth of Eucalyptus grandis in Brazil under different residue management practices
Item type: Journal Article • Journal: Southern Hemisphere Forestry Journal • Authors: JLM Gonçalves MCP Wichert JL Gava AV Masetto ArthurJ.C. Junior MIP Serrano SLM MelloSilvicultural operations such as soil preparation, logging residue management and application of fertilisers can influence soil fertility, and hence nutrient uptake and tree growth. This paper reports the effect of site management practices of minimum and intensive cultivation of the... -
Work-related well-being in a call centre environment: The moderating role of age and tenure
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sanet van der Westhuizen --- Department of Industrial and Organisational Psychology, South Africa Liezel Bezuidenhout --- Department of Industrial and Organisational Psychology, South AfricaThe study investigated age and tenure effects on the relationship between job demands and resources, and job-related burnout and work engagement. Study participants were a convenience sample of 382 call centre agents in the information technology industry in South Africa... -
Conflict management styles and work-related well-being among higher education employees
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Wilme M. Van Niekerk --- School of Human Resource Sciences, South Africa Marissa De Klerk --- School of Human Resource Sciences, South Africa Jeanine K. Pires-Putter --- School of Human Resource Sciences, South AfricaThe objective of the study was to assess the relationship between conflict management styles and work-related well-being of employees in a higher education institution in South Africa. Participants were academic personnel (n = 180) and support staff (n = 201),... -
Genetic stock structure of white steenbras Lithognathus lithognathus (Cuvier, 1829), an overexploited fishery species in South African waters
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RH Bennett --- South African Institute for Aquatic Biodiversity, South Africa K Reid --- Molecular Ecology and Evolution Programme, Department of Genetics, South Africa G Gouws --- South African Institute for Aquatic Biodiversity, South Africa P Bloomer --- Molecular Ecology and Evolution Programme, Department of Genetics, South Africa PD Cowley --- South African Institute for Aquatic Biodiversity, South AfricaWhite steenbras Lithognathus lithognathus (Teleostei: Sparidae) is an overexploited marine fish species endemic to South Africa. Overexploitation in recreational, subsistence and commercial fisheries has resulted in stock collapse and the need for improved management of the species. Adults are thought... -
Distribution, abundance and population structure of Hexaplex trunculus and Bolinus brandaris (Gastropoda: Muricidae) in offshore areas of the Gulf of Gabès, southern Tunisia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Elhasni --- Institut National des Sciences et Technologies de la Mer, Tunisia P Vasconcelos --- Instituto Português do Mar e da Atmosfera, Portugal K Dhieb --- Institut National des Sciences et Technologies de la Mer, Tunisia H El Lakhrach --- Institut National des Sciences et Technologies de la Mer, Tunisia M Ghorbel --- Institut National des Sciences et Technologies de la Mer, Tunisia O Jarboui --- Institut National des Sciences et Technologies de la Mer, TunisiaThe banded murex Hexaplex trunculus and purple dye murex Bolinus brandaris are frequently caught as bycatch by bottom trawlers operating in the Gulf of Gabès, southern Tunisia. Although these muricid gastropods might importantly constitute an additional source of income for... -
Seasonal and sub-seasonal oxygen and nutrient fluctuations in an embayment of an eastern boundary upwelling system: St Helena Bay
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GC Pitcher --- Fisheries Management Branch, Department of Agriculture, Forestry and Fisheries, South Africa TA Probyn --- Fisheries Management Branch, Department of Agriculture, Forestry and Fisheries, South AfricaSeasonal, sub-seasonal and spatial fluctuations in bottom dissolved oxygen (DO) were examined in St Helena Bay, South Africa’s largest and most productive embayment, between November 2013 and November 2014. Alongshore bay characteristics were assessed through comparison of variables along the... -
Before Colonialism: Oral and Written Textualities in the Polyglotic Zone of the Horn of Africa: The Case of Tigrinya
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Ghirmai Negash --- English and Postcolonial Literatures, African Studies Program, USAIn recent postcolonial literary and cultural studies, there has been renewed interest in the history and vitality of African-language textualities of the pre-colonial era. This article explores new terrain, surveying and shedding light on some of the significant texts and... -
An evaluation of the use of the South African Triage Scale in an urban district hospital in Durban, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: S Soogun [COR0001] M Naidoo --- Discipline of Family Medicine, School of Nursing and Public Health, K Naidoo --- Discipline of Family Medicine, School of Nursing and Public Health,Background: Emergency centres in South Africa are among the busiest in the world and serve as entry points for hospital care for most of the population. The South African Triage Scale (SATS) is a validated tool introduced nationally in 2006... -
Knowledge of Zika virus disease among reproductive-age women attending a general outpatient clinic in Northern Nigeria
Item type: Journal Article • Journal: South African Family Practice • Authors: GC Michael --- Department of Family Medicine, Nigeria I Aliyu --- Department of Paediatrics, Nigeria BA Grema --- Department of Family Medicine, Nigeria AO Ashimi --- Department of Obstetrics and Gynaecology, NigeriaBackground: Nigeria is not insulated from the global threat of Zika virus disease (ZVD) because of international travel and the presence of Zika-virus-carrying mosquitoes in the country. A paucity of studies exists concerning knowledge of ZVD among at-risk populations. Thus,... -
Invasive cervical cancer and human immunodeficiency virus (HIV) infection at Tygerberg Academic Hospital in the period 2003–2007: demographics and characteristics
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Abdiyah Diarra --- Department of Obstetrics & Gynecology, South Africa Hennie Botha --- Department of Obstetrics & Gynecology, Gynecological Oncology Unit, South AfricaBackground: Despite the prevalence of HIV infection in women with pre-invasive and invasive cervical diseases managed at the Gynaecologic Oncology unit of Tygerberg Hospital, there is a lack of local data on the effect HIV/AIDS has on invasive cervical cancer... -
Sexual dimorphism and plumage characteristics of juvenile Cape Vultures Gyps coprotheres
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Nobuhle T Mabhikwa --- Department of Forest Resources and Wildlife Management, Zimbabwe Margaret T Hirschauer --- VulPro NPO, South Africa Kerri Wolter --- VulPro NPO, South AfricaThe plumage of young Cape Vultures Gyps coprotheres is streaked to varying degrees on the breast, ruff and upper wing coverts. Observations of breast plumage (individual feather streak coverage and overall streaking intensity) were made on Cape Vultures aged one... -
Ecological correlates of multiple sexual partnerships among adolescents and young adults in urban Cape Town: a cumulative risk factor approach
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Evans Muchiri --- Demography and Population Studies Programme, Schools of Public Health and Social Sciences, South Africa Clifford Odimegwu --- Demography and Population Studies Programme, Schools of Public Health and Social Sciences, South Africa Pamela Banda --- Demography and Population Studies Programme, Schools of Public Health and Social Sciences, South Africa Lorreta Ntoimo --- Demography and Population Studies Programme, Schools of Public Health and Social Sciences, South Africa Sunday Adedini --- Demography and Population Studies Programme, Schools of Public Health and Social Sciences, South AfricaStudies in South Africa have reported unsafe levels of risky sexual behvaiours among adolescents and young adults, with the country reporting the highest burden of HIV/AIDS globally, as well as a high rate of teenage pregnancy. While determinants of risky... -
Transversus abdominis plane block after Caesarean section in an area with limited resources
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Desale Tewelde Kahsay --- Department of Anesthesia and Critical Care, Eritrea Waltraud Elsholz --- Department of Anesthesia and Critical Care, Eritrea Habteselassie Zerezghi Bahta --- Department of Obstetrics and Gynecology, EritreaBackground: The primary objective of this study was to assess whether transversus abdominis plane (TAP) block is effective as part of multimodal pain management following Caesarean section in an area with limited resources. The study also looked at the advantage... -
Scientific real-time research problem-solving and pharmaceutical innovation
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Chris William Callaghan --- School of Economic and Business Sciences, South AfricaDespite dramatic advances on a global scale in the scientific fields that underlie pharmaceutical innovation, the literature suggests that returns on investment in pharmaceutical R&D have not kept pace. Further, some argue that for the last 50 years advances in... -
HIV risk perception and consistency in condom use among adolescents and young adults in urban Cape Town, South Africa: a cumulative risk analysis
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Evans Muchiri --- Demography and Population Studies Programme, South Africa Clifford Odimegwu --- Demography and Population Studies Programme, South Africa Nicole De Wet --- Demography and Population Studies Programme, South AfricaBackground: The relationship between HIV risk perception and consistency in the use of condoms is scarcely understood in the context of a high HIV prevalence among adolescents and young adults in urban South Africa. Methods: Using data from Cape Area... -
Reliability of measures of work engagement and psychological well-being among South African state security forces
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nondumiso Mlangeni --- Department of Industrial Psychology, Faculty of Military Science, South Africa Gideon Van Dyk --- Department of Industrial Psychology, Faculty of Military Science, South AfricaThis study reports on the psychometric properties of measures of work engagement and psychological well-being in the South African state security forces. The research sample consisted of a combined sample of 178 soldiers and 57 police officers (34% females). They... -
Effects of employees’ sense of coherence on leadership style and work engagement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jeremy Mitonga-Monga --- University of South Africa, South Africa Veronica Hlongwane --- University of South Africa, South AfricaThis study investigated the extent to which employees’ sense of coherence (SOC) mediated their perception of their leaders’ style and work engagement. Study participants comprised a convenience sampling of 200 employees of the manufacturing sector industry in the Democratic Republic... -
Workplace diversity in South Africa: Its qualities and management
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yvonne T. Joubert --- Department of Human Resource Management, South AfricaThis qualitative study explored diversity management strategies used by South African financial institutions. The sample included 72 employees (33.33% females; 39.08% Indigenous African language speakers). Of the participants, 44.45% were white, 28.57% were black, 22.22% were Indian, and 4.78% were... -
Principals’ experiences of being disempowered by union members
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Chris Myburgh --- Department of Educational Psychology, South Africa Marie Poggenpoel --- Department of Educational Psychology, South Africa Veronica Mapitso Kgabo --- Department of Educational Psychology, South AfricaThis study explored school principals’ experience of managing unionised schools in South Africa. Qualitative in-depth phenomenological interviews were conducted with a purposeful selected sample of 13 school principals of unionised schools (age range 36-60 years). The school principals responded to... -
Grazing management that regenerates ecosystem function and grazingland livelihoods
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Richard Teague --- Department of Ecosystem Science and Management, USA Matt Barnes --- Shining Horizons Land Management LLC, USAAdopting a systems view and regenerative philosophy can indicate how to regenerate ecosystem function on commercial-scale agro-ecological landscapes. Adaptive multi-paddock grazing management is an example of an approach for grazinglands. Leading conservation farmers have achieved superior results in ecosystem improvement,... -
Optimal grazing management strategies: evaluating key concepts
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Richard WS Fynn --- Okavango Research Institute, University of Botswana, Botswana Kevin P Kirkman --- Grassland Science, South Africa Riaan Dames --- , NamibiaRangeland management strategies must be based on robust ecological and economic concepts if they are to be effective and profitable. Thus, the aim of this paper was to examine concepts related to grazing and resting of grassland and associated effects... -
What are the long-term effects of high-density, short-duration stocking on the soils and vegetation of mesic grassland in South Africa?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Sindiso Chamane --- School of Life Sciences, South Africa Kevin P Kirkman --- School of Life Sciences, South Africa Craig Morris --- Agricultural Research Council–Animal Production Institute, South Africa Tim O’Connor --- South African Environmental Observation Network, South AfricaHigh-density, short-duration stocking (HDG) is gaining popularity amongst farmers in the South African mesic grasslands, but little is known about its potential impact on natural resources. Using a fence-line contrast approach, this study compared the long-term effects of HDG with... -
Does Holistic Planned Grazing™ work on native rangelands?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Heidi-Jayne Hawkins --- Department of Biological Sciences, South Africa Alan Short --- Themeda Eco Consulting, South Africa Kevin P Kirkman --- Grassland Science, South AfricaThe balance of papers in this Special Issue show that how Holistic Planned Grazing™ is managed and where it is used impacts the efficacy of the approach. While we will do well to develop more mechanistic models that can identify... -
Poor control and management of type 2 diabetes mellitus at an under-resourced South African Hospital: is it a case of clinical inertia?
Item type: Journal Article • Journal: South African Family Practice • Authors: Romona Devi Govender --- Department of Family Medicine, South Africa Prem Gathiram --- Department of Family Medicine, South Africa Miljenko Panajatovic --- Department of Family Medicine, South AfricaEvidence shows that even with the implementation of evidence-based medicine, the attainment of optimal glycaemic control is difficult and challenging for both patients and healthcare providers. This study was a one-year retrospective chart review with data collected during the period... -
Tono Reservoir fishery contribution to poverty reduction among fishers in northern Ghana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DN Akongyuure --- Department of Fisheries and Watershed Management, Faculty of Renewable Natural Resources, Ghana S Amisah --- Department of Fisheries and Watershed Management, Faculty of Renewable Natural Resources, Ghana TK Agyemang --- Department of Fisheries and Watershed Management, Faculty of Renewable Natural Resources, Ghana RE Edziyie --- Department of Fisheries and Watershed Management, Faculty of Renewable Natural Resources, GhanaFishery characteristics and livelihood status of fishers at Tono Reservoir, Ghana, were investigated between January 2015 and June 2016. Data on fisher demography, fishing gears, fishing methods, perceptions of the state of fish stocks, management practices, income and consumption of... -
Relationship between somatic growth and otolith growth: a case study of the ornate jobfish Pristipomoides argyrogrammicus from the coast of Réunion (SW Indian Ocean)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Mahé --- Ifremer, Fisheries Laboratory, Sclerochronology Centre, France Y Aumond --- Ifremer, Le Port, France K Rabhi --- Ifremer, Fisheries Laboratory, Sclerochronology Centre, France R Elleboode --- Ifremer, Fisheries Laboratory, Sclerochronology Centre, France E Bellamy --- Ifremer, Laboratoire Environnement Ressources Languedoc Roussillon, France J Huet --- Ifremer, Le Port, France M Gault --- FRS Marine Laboratory, Scotland D Roos --- Ifremer, Le Port, FranceThe ornate jobfish Pristipomoides argyrogrammicus Valenciennes 1832 occurs in the Indo-West Pacific Ocean, where it is harvested by small-scale coastal fisheries. Management of this species is hindered by lack of adequate biological data. We sampled a total of 113 individuals... -
Eelgrass beds and bare substrata – sparid and mugilid composition in contrasting littoral estuarine habitats
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Pollard --- Department of Zoology and Entomology, South Africa AN Hodgson --- Department of Zoology and Entomology, South Africa HM Kok --- Port Elizabeth Museum, South Africa AK Whitfield --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaSeagrass beds serve as nursery grounds for many fish species and often play an important role in the juvenile stages of economically and recreationally important fishes. The eelgrass Zostera capensis is the dominant submerged macrophyte in permanently open South African... -
Wasted wines
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Elize Koldenhof --- Alumni International Hospitality Management, The Netherlands Femke Vrenegoor --- International Hospitality and Service Management, The NetherlandsThis paper reports on a management project, a fourth-year research project at Stenden Hotel Management School, dedicated to reducing wine waste at Landgoedhotel de Wilmersberg in De Lutte (the Netherlands). To do this, the beverage cost percentages were explored for... -
The importance of the human touch in the luxury accommodation sector
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Tracy Harkison --- School of Hospitality and Tourism, Faculty of Culture and Society, New ZealandIt could be said that all luxury properties offer their guests the same facilities and amenities; therefore, there has to be some other point of difference – their staff. This research paper focuses on staff and their importance for luxury... -
Revisiting the relevance of economic theory to hotel revenue management education and practice in the era of Big Data
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Natalie Haynes --- Sheffield Business School, United Kingdom David Egan --- Sheffield Business School, United KingdomThis paper explores the role of economics in hospitality education and industry practice, with a particular focus on revenue management, and puts forward an argument for a return to the inclusion of economic theory in UK hospitality education, not seen... -
HIV antiretroviral medication stock-outs in Ghana: contributors and consequences
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Rebecca A Poku --- The University of Texas Health Science Center at Houston School of Public Health, USA Adobea Yaa Owusu --- Institute of Statistical, Social, and Economic Research, University of Ghana, Ghana Patricia Dolan Mullen --- The University of Texas Health Science Center at Houston School of Public Health, USA Christine Markham --- The University of Texas Health Science Center at Houston School of Public Health, USA Sheryl A McCurdy --- The University of Texas Health Science Center at Houston School of Public Health, USADrug stock-outs are an unfortunate yet common reality for patients living in low and middle income countries, particularly in sub-Saharan Africa where trouble with consistent stock of antiretroviral medications (ARVs) continues. Our study takes a snapshot of this problem in... -
Pentalogy of Cantrell and anaesthesia: a case report
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Alexis Oosthuizen --- Department of Anaesthesia, South AfricaPentalogy of Cantrell, a rare congenital thoracoabdominal disruption, consists of a supraumbilical abdominal wall defect, lower sternal defect, agenesis of the anterior portion of the diaphragm, an absence of the diaphragmatic part of the pericardium, and a malformation of the... -
Awake percutaneous tracheostomy as an alternative to open emergency tracheostomy in a threatened airway
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: RE Hodgson --- Department of Anaesthesia, South Africa TK Pillay --- Department of Anaesthesia, South AfricaBackground: This case report details the management of a patient with a threatened airway booked for an emergency awake tracheostomy but successfully managed with a percutaneous tracheostomy technique. The case illustrates the challenges of managing a severely compromised airway and... -
The emergency management of a rape case in a nutshell: adolescent and adult cases
Item type: Journal Article • Journal: South African Family Practice • Authors: JM Kotzé --- Department of Forensic Medicine, South Africa H Brits --- Department of Family Medicine, South AfricaThe management of a rape case in the emergency department is shrouded in an unacceptable level of lack of confidence. Since South Africa has a high incidence of rape, the contribution of health practitioners in addressing the crime successfully is... -
Scope of research on Parthenium hysterophorus in Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Owen Rubaba --- College of Health Sciences, South Africa Moses Chimbari --- College of Health Sciences, South Africa Samson Mukaratirwa --- School of Life Sciences, South AfricaParthenium (Parthenium hysterophorus) is an invasive plant that invades farm and grazing lands, and affects biodiversity, animal and human health, agricultural productivity and food security. The plant is native to the Americas, but was introduced to Africa, Asia and Australia... -
Use of adjuvants and fungicide application timing for the control of wattle rust (Uromycladium acaciae) in Acacia mearnsii plantations in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Richard G Payn --- School of Natural Resource Management, South Africa Keith M Little --- School of Natural Resource Management, South AfricaAcacia mearnsii (black wattle) plantations in South African cover approximately 110 000 ha, with Uromycladium acaciae (wattle rust) found from Limpopo to the Western Cape of South Africa. This disease of black wattle causes reductions in growth, and mortalities with... -
Human health risks of metals and metalloids in muscle tissue of Synodontis zambezensis Peters, 1852 from Flag Boshielo Dam, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JR Sara --- Department of Biodiversity, South Africa SM Marr --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa WJ Smit --- Department of Biodiversity, South Africa LJC Erasmus --- Department of Physiology and Environmental Health, South Africa WJ Luus-Powell --- Department of Biodiversity, South AfricaMuscle tissue from 63 Synodontis zambezensis collected bimonthly in 2013 at Flag Boshielo Dam were analysed for metals and metalloids in a desktop human health risk assessment. The Hazard Quotient, based on a weekly meal of 67 g of fish... -
Variation in selected solid wood properties of young Pinus patula from diverse sites in the Mpumalanga escarpment area in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Barry G Muller --- Nelson Mandela Metropolitan University, South Africa Josua H Louw --- Nelson Mandela Metropolitan University, South Africa Francois S Malan --- Research Centre, South Africa (retired)Regression analyses identified ‘Growth Days’ (an index expressing site moisture availability) as the only site variable contributing significantly to the prediction to wood density (R2 = 0.57), whereas the model predicting grain angle included only ‘Altitude’ (R2 = 0.60). These... -
A South African softwood sawtimber supply chain case study
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Pierre A Ackerman --- Department of Forest and Wood Science, South Africa Elizabeth A van der Merwe --- Department of Forest and Wood Science, South Africa Reino E Pulkki --- Department of Forest and Wood Science, South AfricaSupply chain management principles were analysed by investigating the effects of smaller-scale and incremental interventions in a forest-to-mill value chain on financial returns and forest resource use in an Eastern Cape case study area. Three previous studies provided input by... -
Love matters: exploring conceptions of love in Rwanda and Swaziland and relationship to HIV and intimate partner violence
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Allison Ruark --- Department of Medicine, USA Erin Stern --- Department of Global Health and Development, UK Thandeka Dlamini-Simelane --- Institute for Health Measurement, Swaziland Marie Fidele Kakuze --- Independent Consultant, SwazilandHealth risks such as intimate partner violence (IPV) and HIV infection often occur within intimate sexual relationships, yet the study of love and intimacy is largely absent from health research on African populations. This study explores how women and men... -
Evaluating oat cultivars for dairy forage production in the central Kenyan highlands
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Solomon W Mwendia --- Centro Internacional de Agricultura Tropical, Tropical Forages, Kenya Brigitte L Maass --- Centro Internacional de Agricultura Tropical, Tropical Forages, Kenya David G Njenga --- International Fertilizer Development Center, Kenya Fridah N Nyakundi --- Centro Internacional de Agricultura Tropical, Biometrics, Kenya An Maria O Notenbaert --- Centro Internacional de Agricultura Tropical, Tropical Forages, KenyaWith the projected increase in future demand for animal products, efforts to raise animal productivity are necessary to match the rise. Already, the estimated per-capita milk consumption in Kenya has increased to 150 L from 100 L estimated in 1998... -
Possible rehabilitation methods of Galenia africana-dominated old lands in the Cederberg Mountains, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Nelmarie Saayman --- Directorate Plant Sciences, South Africa Clement Cupido --- Agricultural Research Council–Animal Production Institute, c/o Department of Biodiversity and Conservation Biology, South Africa Hannes Botha --- Western Cape Department of Agriculture, South Africa Rudi Swart --- Western Cape Department of Agriculture, South AfricaSeveral methods to rehabilitate old cropping lands in the Cederberg Mountains were tested to determine what type of soil disturbance, if any, and which of five indigenous perennial plant species are the most successful and economically feasible. Old lands are... -
Determinants of forage adoption and production niches among smallholder farmers in Kenya
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Donald MG Njarui --- Kenya Agricultural and Livestock Research Organization-Katumani, Kenya Mwangi Gatheru --- Kenya Agricultural and Livestock Research Organization-Katumani, Kenya Elias M Gichangi --- Kenya Agricultural and Livestock Research Organization-Katumani, Kenya Elikana M Nyambati --- Kenya Agricultural and Livestock Research Organization-Headquarters, Kenya Clotilda N Ondiko --- Kenya Agricultural and Livestock Research Organization-Mtwapa, Kenya Keziah W Ndungu-Magiroi --- Kenya Agricultural and Livestock Research Organization-Kitale, KenyaA study was conducted to assess factors that influence adoption of forages and choice of production niches in smallholder farms in Kenya. A total of 786 farmers (268 from coastal lowlands, 171 from eastern midlands, 132 from central highlands and... -
Use of otolith-shape analysis for stock discrimination of Boops boops along the Algerian coast (southwestern Mediterranean Sea)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D Ider --- Laboratoire de Zoologie Appliquée et d’Ecophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Algeria Z Ramdane --- Laboratoire de Zoologie Appliquée et d’Ecophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Algeria K Mahé --- Laboratoire Ressources Halieutiques de Boulogne, France JL Duffour --- Laboratoire Ressources Halieutiques de Boulogne, France M Bacha --- Laboratoire d’Océanologie et de Géosciences – Centre National de la Recherche Scientifique (CNRS), France R Amara --- Laboratoire d’Océanologie et de Géosciences – Centre National de la Recherche Scientifique (CNRS), FranceOtolith-shape analysis was examined to determine its utility for biological stock identification of the bogue Boops boops along the Algerian coast of the Mediterranean Sea. The outlines of 179 sagittal otolith pairs from fish collected at three locations (Oran, Bejaia... -
Analysis of bycatch in the South African midwater trawl fishery for horse mackerel Trachurus capensis based on observer data
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JR Reed --- Marine Research Institute, Department of Biological Sciences, South Africa SE Kerwath --- Marine Research Institute, Department of Biological Sciences, South Africa CG Attwood --- Marine Research Institute, Department of Biological Sciences, South AfricaThe South African midwater trawl fishery targets adult horse mackerel Trachurus capensis. The bulk of the catch is taken by a single freezer-trawler, the biggest fishing vessel operating in South African waters. As fishing takes place off the south coast... -
Phylogeny of the Sepia officinalis species complex in the eastern Atlantic extends the known distribution of Sepia vermiculata across the Benguela upwelling region
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AJE Healey --- Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Wales NJ McKeown --- Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, Wales WM Potts --- Department of Ichthyology and Fisheries Science, South Africa CL de Beer --- Department of Ichthyology and Fisheries Science, South Africa W Sauer --- Department of Ichthyology and Fisheries Science, South Africa PW Shaw --- Institute of Biological, Environmental and Rural Sciences (IBERS), Aberystwyth University, WalesAccurate species identification and biogeographic characterisation are fundamental for appropriate management of expanding cephalopod fisheries. This study addresses this topic within the common cuttlefish Sepia officinalis species complex (S. officinalis, S. hierredda and S. vermiculata), with an emphasis on occurrence... -
Changes in recreational shore anglers’ attitudes towards, and awareness of, linefish management along the KwaZulu-Natal coast, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RW Kramer --- Oceanographic Research Institute (ORI), South Africa BQ Mann --- Oceanographic Research Institute (ORI), South Africa SW Dunlop --- Oceanographic Research Institute (ORI), South Africa JB Mann-Lang --- Oceanographic Research Institute (ORI), South Africa D Robertson-Andersson --- School of Life Sciences, South AfricaManagement of recreational fisheries cannot be based on biological and stock assessment data alone but needs to include appropriate social aspects (including knowledge, attitudes and behaviour) of anglers within the fishery. The primary purpose of this study was to evaluate... -
Focusing on monofilament nets while overlooking the priorities of artisanal fisheries governance in Senegal
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D Thiao --- Centre de Recherches Océanographiques de Dakar-Thiaroye (CRODT), Senegal A Mbaye --- Centre de Recherches Océanographiques de Dakar-Thiaroye (CRODT), Senegal M Dème --- Centre de Recherches Océanographiques de Dakar-Thiaroye (CRODT), Senegal HD Diadhiou --- Centre de Recherches Océanographiques de Dakar-Thiaroye (CRODT), SenegalDespite its legal prohibition since 1998, the nylon monofilament net is still widely used in Senegalese artisanal fisheries. To achieve a complete ban on monofilament use, it is necessary to understand the main arguments for its continued use and what... -
Environmental health risks associated with e-waste exposure in Badplaas, Carolina and Elukwatini landfills, Republic of South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Fannie Machete --- Department of Environmental Science, South AfricaA recent study identified a mixed stream of waste in Badplaas, Carolina and Elukwatini landfills. However, the risks associated with the situation in the three selected towns remains unknown. Thus, this paper fills this gap of qualitatively assessing the potential... -
‘Celibacy is certainly not for me!’: Transgressive Sexualities in Male Children in Moses Isegawa's Abyssinian Chronicles
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Asante Lucy Mtenje --- English Department, South AfricaMoses Isegawa's representation of young male sexuality in Abyssinian Chronicles draws our attention to sexuality as a mobile process of relation, a provisional, contextually-informed construct which challenges more naturalised assumptions of sexuality as a monolithic biological given. Even though there... -
The recovery and molecular identification of HAdV-D17 in raw sewage and mussel samples collected in the Eastern Cape province of South Africa
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Hillary J Vos --- Department of Biochemistry and Microbiology, South Africa Caroline M Knox --- Department of Biochemistry and Microbiology, South AfricaHuman adenoviruses (HAdV) are a common cause of clinical infections in South Africa. However, there is a lack of information regarding the prevalence and molecular identification of this virus in the environment. The objective of this study was to investigate... -
Freshwater crayfish invasions in South Africa: past, present and potential future
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AL Nunes --- Centre for Invasion Biology, Department of Botany and Zoology, South Africa TA Zengeya --- Centre for Invasion Biology, South Africa GJ Measey --- Centre for Invasion Biology, Department of Botany and Zoology, South Africa OLF Weyl --- Centre for Invasion Biology, South AfricaFreshwater crayfish invasions have been studied around the world, but less so in Africa, a continent devoid of native freshwater crayfish. The present study reviews historical and current information on alien freshwater crayfish species introduced into South Africa and aims... -
Effect of large weirs on abundance and diversity of migratory Labeobarbus species in tributaries of Lake Tana, Ethiopia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: G Shewit --- Fisheries, Wetlands and Wildlife Management Department, Ethiopia A Getahun --- Department of Zoological Sciences, Ethiopia W Anteneh --- Biology Department, Ethiopia B Gedif --- Institute of Disaster Risk Management and Food Security Studies, Bahir Dar University, Ethiopia B Gashu --- Fisheries, Wetlands and Wildlife Management Department, Ethiopia B Tefera --- Agricultural Economics Department, Ethiopia Z Berhanie --- Agricultural Economics Department, Ethiopia D Alemaw --- Faculty of Civil and Water Resource Engineering, EthiopiaLake Tana has a remarkable fish diversity, including 17 endemic Labeobarbus species, of which nine spawn in the inflowing rivers. Three of the migratory species are threatened, namely the endangered Labeobarbus macrophtalmus and the vulnerable L. acutirostris and L. platydorsus... -
Phylogeography of oribi antelope in South Africa: evolutionary versus anthropogenic panmixia
Item type: Journal Article • Journal: African Zoology • Authors: Bettine Jansen van Vuuren --- Centre for Ecological Genomics and Wildlife Conservation, Department of Zoology, South Africa Ian Rushworth --- Ecological Advice Division, Scientific Services, South Africa Claudine Montgelard --- Centre for Ecological Genomics and Wildlife Conservation, Department of Zoology, South AfricaThe increased rate of human-driven change is a major threat to biodiversity. Although there is sufficient evidence to suggest that species notably alter their ranges, facilitation of such movement for larger vertebrate species often places burdens on management agencies. Oribi... -
Evidence of multiple divergent mitochondrial lineages within the southern African diplopod genus Bicoxidens Attems, 1928 (Spirostreptida)
Item type: Journal Article • Journal: African Zoology • Authors: Tawanda Tinago --- Department of Biology, School of Natural Sciences and Mathematics, Zimbabwe Tarombera Mwabvu --- School of Biology and Environmental Sciences, Faculty of Agriculture and Natural Sciences, South Africa Angus HH MacDonald --- School of Life Sciences, South AfricaTwo recent studies have suggested that divergent mitochondrial lineages may be present within spirostreptid genera such as Bicoxidens Attems, 1928. Bicoxidens, similar to many other endemic soil invertebrates, exhibits low dispersal capabilities and strict microclimate habitat preferences, attributes that often... -
Age and growth of narrow-barred Spanish mackerel Scomberomorus commerson in the coastal waters of southern Mozambique and KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: B Lee --- Oceanographic Research Institute (ORI), South Africa BQ Mann --- Oceanographic Research Institute (ORI), South AfricaThe narrow-barred Spanish mackerel Scomberomorus commerson is one of the most important linefish species caught in KwaZulu-Natal and southern Mozambique waters, forming the basis of important commercial, artisanal and recreational fisheries. A total of 439 S. commerson were sampled along... -
Multi-stakeholder collaboration yields valuable data for cetacean conservation in Gamba, Gabon
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: G Minton --- WWF Gabon, Gabon JR Kema Kema --- WWF Gabon, Gabon A Todd --- Gabon Biodiversity Program, Center for Conservation and Sustainability, Gabon L Korte --- Gabon Biodiversity Program, Center for Conservation and Sustainability, Gabon PB Maganga --- WWF Gabon, Gabon JR Migoungui Mouelet --- Brigade de Peche de Gamba/Department des Pêches et d’Aquaculture, Gabon AM Nguema --- Agence National des Parc Nationaux, Gabon E Moussavou --- Brigade de Peche de Gamba/Department des Pêches et d’Aquaculture, Gabon GK Nguélé --- Agence National des Parc Nationaux, GabonPrivate industry, the Government of Gabon and two international NGOs collaborated to conduct marine surveys off the coast of Gabon, Central Africa. Surveys addressed multiple objectives of surveillance and monitoring, the documentation of the distribution of and threats to the... -
Comparative genetic structure in two high-dispersal prawn species from the south-west Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TK Mkare --- Kenya Marine and Fisheries Research Institute, Kenya JC Groeneveld --- Oceanographic Research Institute (ORI), South Africa PR Teske --- Centre for Ecological Genomics and Wildlife Conservation, Department of Zoology, South Africa CA Matthee --- Evolutionary Genomics Group, Department of Botany and Zoology, South AfricaThe penaeid prawns Fenneropenaeus indicus and Metapenaeus monoceros support shallow-water prawn fisheries in the south-west Indian Ocean. They are sympatric and have similar life histories, including developmental stages that depend on estuarine and marine habitats and a short dispersal duration... -
Modelling and performance of an automated small hybrid plant
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Samuel Ilupeju --- Discipline of Mechanical Engineering, Durban, South Africa Freddie Inambao --- Discipline of Mechanical Engineering, Durban, South Africa Yetunde Ilupeju --- Discipline of Mechanical Engineering, Durban, South Africa Taha Selim Ustun --- Electrical Engineering, Carnegie Mellon University, USASmall rivers that can generate useful quantities of electricity are freely and proportionally distributed in Africa. Thousands of potential sites are available in South Africa, capable of generating hundreds of megawatts. Small hydropower generation is not a new approach in... -
Household wealth and adoption of Integrated Striga Management (ISM) technologies in northern Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: L. J. S. Baiyegunhi --- School of Agricultural, Earth and Environmental Sciences, Discipline of Agricultural Economics, South Africa M. B. Hassan --- School of Agricultural, Earth and Environmental Sciences, Discipline of Agricultural Economics, South AfricaAgricultural households in developing countries often are unable and unwilling to adopt new technologies due to the deterrents to adoption imposed by numerous socio-economic, institutional and ecological factors. However, economic theory predicts that relatively wealthy households have better ability to... -
An investigation into the normal tax implications of a carried interest in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Ellané van Wyk --- Department of Accounting, South Africa Tertius Troost --- Mazars, South Africa‘Carried interest’ is not defined in the South African Income Tax Act 58 of 1962 as amended (the Act), nor has it been subject to scrutiny in South African courts. Uncertainty prevails regarding the classification of a carried interest for... -
In search of conclusive evidence on the trade-off and pecking order theories of capital structure: Evidence from the Johannesburg Stock Exchange
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Chimwemwe Chipeta --- School of Economic and Business Sciences, South Africa David McClelland --- School of Economic and Business Sciences, South AfricaThis paper tests the validity of the trade-off and pecking order theories of capital structure for non-financial firms listed on the Johannesburg Stock Exchange. Firstly, we find that the pecking order model is superior than the partial adjustment regressions at... -
Infant feeding practices of teenage mothers attending a well-baby clinic in a public hospital in Umlazi, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: S Pillay --- Department of Paediatrics & Child Health, South Africa W Sibanda --- School of Nursing and Public Health, College of Health Sciences, South Africa MR Ghuman --- Department of Paediatrics & Child Health, South Africa A Coutsoudis --- Department of Paediatrics & Child Health, South AfricaObjective: This study aimed to determine the breastfeeding practices of urban, predominantly isiZulu speaking, South African teenage mothers, and to examine factors associated with breastfeeding. -
Teenage pregnancies in Mozambique: the experience of “Servicios Amigos dos Adolescentes” clinics in Beira
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Damiano Pizzol --- Operational Research Unit, Italy Francesco Di Gennaro --- Clinic of Infectious Diseases, Italy Chiara Boscardin --- Department of Woman’s and Child’s Health, Italy Giovanni Putoto --- Operational Research Unit, Italy Elena Cuppini --- District Health Department, Mozambique Graciana Pita --- Department of Woman’s and Child’s Health, Italy Alexandra George --- District Health Department, Mozambique Laura Monno --- Clinic of Infectious Diseases, Italy Annalisa Saracino --- Clinic of Infectious Diseases, Italy Liviana Da Dalt --- Department of Woman’s and Child’s Health, Italy Angela De Palma --- Section of Thoracic Surgery, ItalyThe purpose of this article is to provide insights into the demand for pregnancy-related health services by adolescent girls and young women in Mozambique. We analysed the patient registers for the first year of operation (2014) of the Servicios Amigos... -
Managing HIV-positive sero-status in Ghana’s most HIV concentrated district: self-perceived explanations and theoretical discourse
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Adobea Y Owusu --- Institute of Statistical, Social and Economic Research (ISSER), Ghana Amos Laar --- Department of Family and Population Health, School of Public Health, GhanaAs of December 2015 there were 37 million persons living with HIV/AIDS (PLWHAs), 70% of whom are in sub-Saharan Africa. Ghana, which contributes a relatively small number to Africa’s HIV burden, has a generalised HIV epidemic. The current national prevalence... -
Authentic leadership, followership, and psychological capital as antecedents of work engagement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marieta du Plessis --- Department of Industrial Psychology, South Africa Adré B. Boshoff --- Department of Industrial Psychology, South AfricaThe present study investigated authentic leadership, psychological capital, and followership behaviour influences on work engagement of employees. Respondents were 901 South African employees within the healthcare industry organisation (n = 647) and mining industry (n = 254). The employees completed... -
What effects do student jobs have on the study performance, competency and career development of hospitality management students
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Annemarie Geerlink --- Hotel Management School, The Netherlands Conrad Lashley --- Hotel Management School, The NetherlandsThis research examines the effects student jobs have on the study performance, and the competency and career development of hospitality management students. A 13-item survey was administered to a sample of 82 hospitality management students to see how they think... -
Rethinking medicinal plants and plant medicines
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Diana Gibson --- Department of Anthropology and Sociology, South AfricaBecause plants are perceived as sessile and immobile, they are often represented as objects or things in current literature. In this paper, I explore variations and shifts in research and literature since 2000 that reconsider the ways that plant-related ideas,... -
Use of diatom indices to categorise impacts on and recovery of a floodplain system in South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: R Musa --- Department of Zoology, South Africa R Greenfield --- Department of Zoology, South AfricaThe trophic status of the Ramsar-accredited Nyl River floodplain, which is stressed by sewage treatment effluents, and its ability to restore normal conditions, were assessed in 2014–2015 using diatoms as biological indicators. The Trophic Diatom Index, Specific Pollution Sensitivity Index... -
The 39 Country Initiative and Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Paul W. Beamish --- International Business Institute, Ivey Business School, CanadaManagement education in Africa’s poorest countries suffers from the greatest resource constraints of any continent on earth. At least three major challenges exist: lack of current teaching material; very expensive books/photocopies, making an insufficient quantity of materials available; and too... -
Cloud computing adoption: Strategies for Sub-Saharan Africa SMEs for enhancing competitiveness
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Martin Adane --- Faculty of Education, Finance & Management, South AfricaSmall and medium-sized enterprises (SMEs) need to design and implement strategies for adopting new technologies as a competitive tool for maintaining their competitive advantage and cloud computing is at its peak. Since its emergence, there has been a surge in... -
Contemporary institutional solid waste management practices of Haramaya University, Eastern Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ashenafi Yimam Kassaye --- School of Geography and Environmental Studies, EthiopiaEven though waste products arise from our ways of life and are generated at every stage of the process of production and development, the type of decision making that leads to adequate solid waste management requires a sound understanding of... -
Literacy programs efficacy for developing children’s early reading skills in familiar language in Zambia
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Francis K. Sampa --- Read To Succeed, Zambia Emma Ojanen --- Department of Psychology, Finland Jari Westerholm --- Research, Niilo Mäki Institute, Finland Ritva Ketonen --- Faculty of Educational Sciences, Finland Heikki Lyytinen --- Department of Psychology, FinlandThis study investigated the comparative efficacy of a phonics-based reading program and a language experience approach based literacy program to develop reading skills among Zambian early childhood school learners. The learners (n = 1 986; Grade 2 level; females =... -
Competitive factors of electronic dance music festivals with Social Networking Service (SNS) citizenship behaviour of international tourists
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Joon-ho Kim --- Department of Business Administration, South Korea Ki-tai Lee --- Department of Tourism Events and International Conferences, South Korea Bong-ihn Seok --- Commercialization Planning Team, South Korea Hyun-ju Choi --- Department of Cultural & Arts Management, South Korea Seung-hye Jung --- School of Dance, South KoreaThis study examined the comparative advantages of prestige service labelling (VIP), online marketing, and image differentiation when applied as marketing strategies to build tourist loyalty as a component of citizenship behaviour. The participants were 220 African tourists attending the World... -
Validation of the trust relationship audit (TRA): An item parcelling approach
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Hartmut von der Ohe --- Department of Industrial and Organisational Psychology, South Africa Nico Martins --- Department of Industrial and Organisational Psychology, South AfricaThis study sought to apply an item parcelling approach to confirm the factor structure of trust in the direct supervisor as measured by the trust relationship audit (TRA). The researchers analysed an existing data set on the TRA from 9... -
School-based care and support for the intellectually disabled learners at risk for sexual abuse: South African teacher carer perspectives
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Andile Alfred Mdikana --- Department of Inclusive Education, South Africa Nareadi Tlakale Phasha --- Department of Inclusive Education, South AfricaThis study examined the functionality of a school-based care and support program for the intellectually disabled learners who have a history of sexual abuse. Participants were 28 teachers from four special educational needs schools in the Gauteng Province, South Africa... -
The wild bird trade and African parrots: past, present and future challenges
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Rowan O Martin --- Africa Programme, World Parrot Trust, Hayle, UK; and DST-NRF Centre of Excellence at the FitzPatrick Institute of African Ornithology, Department of Biological Sciences, South AfricaAfrican parrots are among the most traded of all birds listed on the appendices of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES). Collapses in some wild populations due to trapping for the pet... -
Tumour and treatment factors influencing the outcome of chemo-radiation in stage IIB cervical cancer: a single institution experience
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Mtabeni Jemu --- Division of Radiation Oncology, South Africa Leon van Wijk --- Division of Radiation Oncology, South Africa Michelle Parker --- Radiobiology Section, Division of Radiation Oncology, South Africa Glenn Jones --- School of Clinical Medicine and Research, BahamasObjective: This study examined the effects of treatment and tumour factors on the overall survival of patients completing chemo-radiation for stage IIB cervical cancer, to identify modifiable factors that might improve outcome. -
A retrospective study of stage IB node-negative cervical cancer treated with adjuvant radiation with standard pelvic versus central small pelvic fields
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Tlotlo B Ralefala --- Division of Radiation Oncology, South Africa Leon van Wijk --- Division of Radiation Oncology, South Africa Rakiya Saidu --- Department of Obstetrics & Gynaecology, College of Health Sciences, NigeriaObjective: To compare two types of postoperative radiation therapy (PORT) in early-stage, node-negative cervical cancer treated at Groote Schuur Hospital, Cape Town, South Africa. -
Effect of stocking density on vegetation and animal performance within the semi-arid shrublands of the Karoo, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Christiaan J Harmse --- Northern Cape Department of Agriculture, Land Reform and Rural Development, South Africa Hannes J Gerber --- Northern Cape Department of Agriculture, Land Reform and Rural Development, South AfricaAs the primary land use in the Karoo, extensive small-stock farming contributes significantly towards the agricultural economy of the region. However, the sustainability of this practice has been questioned for many years. This led to the establishment of a long-term... -
Effects of urea addition on the fermentation of sorghum (Sorghum bicolor) silage
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ana Paula Maia dos Santos --- Programa de Pós-Graduação em Zootecnia, Brazil Edson Mauro Santos --- Programa de Pós-Graduação em Zootecnia, Brazil Juliana Silva de Oliveira --- Programa de Pós-Graduação em Zootecnia, Brazil Ossival Lolato Ribeiro --- Universidade Federal do Recôncavo da Bahia, Brazil Alexandre Fernandes Perazzo --- Bolsista DCR/FAPESB/CNPq, Brazil Ricardo Martins Araújo Pinho --- Programa de Pós-Graduação em Zootecnia, Brazil Alberto Jeferson da Silva Macêdo --- Programa de Pós-Graduação em Zootecnia, Brazil Gildenia Araújo Pereira --- Programa de Pós-Graduação em Zootecnia, BrazilThis study was conducted to evaluate the effects of urea addition on fermentation characteristics, losses and chemical composition of silage of sorghum (Sorghum bicolor) ‘BRS Ponta Negra’. The sorghum plant was chopped and treated with different levels of urea (0.1756,... -
Oat silage for grazing dairy cows in small-scale dairy systems in the highlands of central Mexico
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Victor Andrés Burbano-Muñoz --- Instituto de Ciencias Agropecuarias y Rurales, Mexico Felipe López-González --- Instituto de Ciencias Agropecuarias y Rurales, Mexico Julieta Gertrudis Estrada-Flores --- Instituto de Ciencias Agropecuarias y Rurales, Mexico Pedro Alan Sainz-Sánchez --- Institut für Tropische Agrarwissenschaften (Hans-Ruthenberg-Institute), Fachgebiet Tierernährung und Weidewirtschaft in den Tropen und Subtropen, Germany Carlos Manuel Arriaga-Jordán --- Instituto de Ciencias Agropecuarias y Rurales, MexicoThe objective was to evaluate the provision of oat silage (Avena sativa) to supplement grazing dairy cows on pastures of perennial ryegrass (Lolium perenne), festulolium (Lolium multiflorum × Festuca pratense) and white clover (Trifolium repens) during the dry season when... -
Quality Assurance of Business Management Education in Africa: A Review of Current Systems and Recommendations for Quality Enhancements
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Eunice V. Akoto --- School of Business, USA Edward O. Akoto --- School of Business, USAQuality assurance systems – the collections of policies, procedures, and practices for achieving and maintaining quality – are critical to ensuring the relevance and effectiveness of business and management education in Africa. Currently, stakeholders may assess the quality of business... -
Blind Spots in African Management Education: An Examination of Issues Deserving Greater Attention
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Michelle P. Lee --- Lee Kong Chian School of Business, Singapore Howard Thomas --- Lee Kong Chian School of Business, Singapore Lynne Thomas Alexander Wilson --- School of Business and Economics, UKThere is reason to be optimistic about management education in Africa given the growth in the number of business schools on the continent and continued efforts at raising quality. There remains room for improvement in the field, of course, and... -
On Globalizing Business Training in Africa: Toward a Theory of Business Education and Managerial Competence
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Vishwanath V. Baba --- DeGroote School of Business, CanadaGlobalization is a powerful force shaping today’s business environment. This paper focuses on how African business schools can prepare their students to manage for globalization. In line with the growing need for managing business in a volatile environment and that... -
Management Education: Unique Challenges Presented by the African Continent
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Benson Honig --- McMaster University DeGroote School of Business, Canada Nico Carsten Hjortsø --- Department of Food and Resource Economics, DenmarkBusiness and management education worldwide continues to be a very popular field of study. Unfortunately, much of African management education is simply repackaged material designed by professionals and scholars in advanced economies. This special issue highlights both the theoretical and... -
A new approach for the mix design of (patch) repair mortars
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Inès L. Tchetgnia Ngassam --- Department of Civil Engineering, South Africa Philemon Arito --- Department of Civil Engineering, South Africa Hans Beushausen --- Department of Civil Engineering, South AfricaThe failure of most repairs in concrete structures is mainly manifested in the form of cracking and/or debonding of the repair layer. These two repair mechanisms could lead to the continuous corrosion of reinforcing steel in concrete. Cracking and debonding... -
Alternative method for the identification of critical nodes leading to voltage instability in a power system
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Isaiah G. Adebayo --- Department of Electrical Engineering, South Africa Adisa A. Jimoh --- Department of Electrical Engineering, South Africa Adedayo A. Yusuff --- Department of Electrical and Mining Engineering, South Africa Yanxia Sun --- Department of Electrical and Electronic Engineering Science, South AfricaThe introduction of new operation enhancement technologies plus increasing application of power electronics, coupled with the continuous increase in load demand, has increased the risk of power networks to voltage instability and susceptibility to voltage collapse. This frequent occurrence of... -
Towards plant-centred methodologies in anthropology
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Diana Gibson --- Department of Anthropology and Sociology, South AfricaThis paper reflects on research on medicinal plants in the Matzikama Local Municipality, Western Cape, in order to elaborate on methodological possibilities and their problematic in such studies. Classical ethnographic research is usually conducted from an anthropocentric viewpoint, but our... -
“Ons is die stam van die gemeenskap”: rethinking old age and vitality in Nuwerus, Western Cape
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Michellé Pasquallie --- Department of Anthropology and Sociology, South AfricaIn this paper, I argue against contemporary South African representations of the elderly as people at the fringes of society, as frail, withdrawn from social activity or “invisible.” Drawing on ethnographic fieldwork carried out in Nuwerus, in the Matzikama Local... -
Plant knowledge: transfers, shaping and states in plant practices
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: William Ellis --- Department of Anthropology and Sociology, and Centre for Humanities Research, South AfricaThis exploratory paper interrogates the various ways in which knowledge about plants has historically been generated. It first examines how plant knowledge is located in and understood by traditional studies of plants, such as ethnobotany. It pushes at the accepted... -
Human and plant interfaces: relationality, knowledge and practices
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Diana Gibson --- Department of Anthropology and Sociology, South Africa William Ellis --- Department of Anthropology and Sociology, South AfricaThis introduction to the special issue on “Human-Plant Interfaces: Relationality, Knowledge and Practices” briefly makes a case for the ethnography of the human-plant interface by referring to three interrelated aspects that emerge from the set of papers that follow. These... -
Rotation-end financial performance of vegetation control on Eucalyptus smithii in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Keith M Little --- School of Natural Resource Management, South Africa Anssi Ahtikoski --- Natural Resources Institute Finland, Finland Andrew R Morris --- Institute for Commercial Forestry Research, South AfricaControl of competing vegetation during eucalypt regeneration is important but the cost-benefit of varying levels of control is not well understood. A trial was initiated to quantify the impact of five vegetation control treatments on Eucalyptus smithii R.T.Baker. to determine... -
Secondary Nothofagus dombeyi forests: site index curves and dominant height in the Coastal Range of south-central Chile
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Carlos Esse --- Escuela de Ciencias Ambientales, Nucleo de Estudios Ambientales, Chile Pablo J Donoso --- Instituto de Bosques y Sociedad, Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, Chile Victor Gerding --- Instituto de Bosques y Sociedad, Facultad de Ciencias Forestales y Recursos Naturales, Universidad Austral de Chile, Chile Francisco Encina-Montoya --- Escuela de Ciencias Ambientales, Nucleo de Estudios Ambientales, Chile Celso Navarro --- Escuela de Ciencias Ambientales, Nucleo de Estudios Ambientales, ChileNothofagus dombeyi is distributed on very diverse sites in the temperate forests of Chile and Argentina. In Chile, studies on its dynamics and productivity in forests, where it is the dominant species, have been carried out mainly in the foothills... -
Development of a stand density management diagram for Santalum album plantations in Karnataka, India
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Vindhya Prasad Tewari --- Himalayan Forest Research Institute, India Baragur N Diwakara --- Forest Biometry Division, Institute of Wood Science and Technology, IndiaStand density management diagrams are average stand-level models that graphically display the relationship between stand yield, density, height and diameter throughout the various stages of forest development in even-aged stands. These are useful tools for designing, displaying and evaluating alternative... -
The age and growth of hottentot seabream Pachymetopon blochii before and after the South African linefish state of emergency in 2000
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MW Farthing --- Department of Ichthyology and Fisheries Science, South Africa AC Winkler --- Department of Ichthyology and Fisheries Science, South Africa K Anderson --- Department of Ichthyology and Fisheries Science, South Africa S Kerwath --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries (DAFF), South Africa C Wilke --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries (DAFF), South Africa WM Potts --- Department of Ichthyology and Fisheries Science, South AfricaThe hottentot seabream Pachymetopon blochii is a small-sized (maximum 2.67 kg) sparid endemic to southern Africa. It is an important target in South Africa's Western Cape traditional linefishery, particularly in the absence of more valuable pelagic species (such as Thyrsites... -
The investment return puzzle on the Johannesburg Stock Exchange
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Pravin Semnarayan --- Gordon Institute of Business Science, University of Pretoria, South Africa Michael Ward --- Gordon Institute of Business Science, University of Pretoria, South Africa Chris Muller --- Gordon Institute of Business Science, University of Pretoria, South AfricaFirms that invest into positive net present value projects should outperform firms that do not invest. Surprisingly, several studies on United States data have found a negative relationship between capital investment and subsequent shareholder return. There are conflicting explanations for... -
Slavery, neo-slavery and business ethics
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Conrad Lashley --- Hospitality Studies, Academy of International Hospitality Research, The NetherlandsDespite the campaigns of the 19th century, there are currently millions of people that are enslaved across the globe. Some of these slaves are directly engaged in the hospitality sector, in other cases they are indirectly associated with the hospitality... -
Networking dimensions and performance of event management ventures in Kenya
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Jacqueline Cheptepkeny Korir --- School of Tourism Hospitality and Events Management, KenyaThe role of networking in the sharing of knowledge and information is well documented. What is not clear, however, are the facets of networks that best drive firm performance, and whether or not the nature of business is a factor... -
Knowledge, attitudes and practices of healthcare workers about healthcare waste management at a district hospital in KwaZulu-Natal
Item type: Journal Article • Journal: South African Family Practice • Authors: Adekunle Olaifa --- Outpatient Department, South Africa Romona D Govender --- Discipline of Family Medicine, School of Nursing and Public Health, College of Health Sciences, South Africa Andrew J Ross --- Department of Family Medicine, College of Medicine and Health Sciences, UAEBackground: Health care generates a large amount of healthcare waste (HCW), which is complex to manage because of its variety and potential to create health and safety hazards if improperly handled. It is essential that healthcare workers have appropriate knowledge... -
Personal and socio-ecological resilience resources among school-going teenage mothers: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Macalane Junel Malindi --- School of Education Studies, South AfricaThis qualitative study explored the self-perceived personal and socio-ecological resilience resources that enabled teenage mothers to cope with early parenthood and school in a South African school. Participants were a convenient sample of ten school-going teenage mothers in the Gauteng... -
Knowledge and quality-management activities’ influences on technology communication and innovation with African foreign investment experience
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bong-ihn Seok --- Commercialisation Planning Team, South Korea Man-pil Han --- Department of Business Administration, South Korea Joon-ho Kim --- Department of Business Administration, South KoreaWe examined how psychic distance moderates the association of South Korean chief executive officers’ (CEOs’) knowledge and quality management with their predisposition to invest in African technology and innovation markets. Participants were current and prospective South Korean African business investment... -
Underage drinking as a predictor of alcohol use disorder among African Americans
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Euchay Ngozi Horsman --- School of Counseling, Human Performance, and Rehabilitation, College of Education and Health Professions, USAThis study aimed to examine the effect of underage drinking (UD) on alcohol use disorder (AUD) among African Americans. Data from the 2010 National Survey of Drug Use and Health (NSDUH) (N = 19 240; age range 25–75 years) were... -
Life stories managing chronic illness: Young adults’ lived experiences with type 1 diabetes
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marietjie Willemse --- School for Psychosocial Health, Optentia Research Focus Area, South Africa Elmari Deacon --- School for Psychosocial Health, Optentia Research Focus Area, South Africa David Segal --- School for Psychosocial Health, Optentia Research Focus Area, South AfricaThis study aimed to characterise diabetes management experiences of South African young adults living with well-controlled type 1 diabetes (n = 8, female = 5, male = 3, age range = 20–25). The young adults told life stories managing their... -
Degradability of amino acids in selected legume forages using the in situ nylon-bag technique
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Simbarashe Katsande --- Department of Animal Science, South Africa Joseph J Baloyi --- Department of Animal Science, South Africa Florence V Nherera-Chokuda --- Agriculture Research Council–Animal Production and Animal Health, South Africa Nobbert T Ngongoni --- Faculty of Agriculture, Zimbabwe Jacob Gusha --- Department of Paraclinical Veterinary Studies, Zimbabwe Gift Matope --- Department of Paraclinical Veterinary Studies, Zimbabwe Plaxedis I Zvinorova --- Department of Paraclinical Veterinary Studies, ZimbabweThis study was conducted to determine the amino acid profiles and rumen degradability of amino acids of three cultivated forage legumes – velvet bean (Mucuna pruriens), cowpea (Vigna unguiculata) and silverleaf desmodium (Desmodium uncinatum) – using the in situ nylon-bag... -
Carotenoid-based plumage pigmentation and concentration as a function of sex and habitat type in the Yellow-breasted Boubou Laniarius atroflavus
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: S Temidayo Osinubi --- School of Biological Sciences, New Zealand Kevin J McGraw --- School of Life Sciences, USA Ulf Ottosson --- AP Leventis Ornithological Research Institute, University of Jos, Nigeria Jennifer A Brown --- School of Mathematics and Statistics, New Zealand James V Briskie --- School of Biological Sciences, New Zealand Hazel M Chapman --- School of Biological Sciences, New ZealandThe study of avian integumentary colouration can offer insight into dietary and metabolic processes as well as fitness in focal species. Yet, we know relatively less about the system of feather colouration in African birds in comparison to Europe, North... -
Longevity in some Malagasy rainforest passerines
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Friederike Woog --- Staatliches Museum für Naturkunde Stuttgart, Germany Narisoa Ramanitra --- Ecole Normale Supérieure, Université d’Antananarivo, Madagascar Andrianarivelosoa Solohery Rasamison --- Mention Zoologie et Biodiversité Animale, Faculté des Sciences, L’Université d’Antananarivo, Madagascar Rasolondraibe Lovahasina Tahiry --- Mention Zoologie et Biodiversité Animale, Faculté des Sciences, L’Université d’Antananarivo, MadagascarData on longevity is a prerequisite to understand the life-history strategies of a species. For Malagasy songbirds no information has been previously published. Therefore, we studied their longevity in a capture–recapture effort in a rainforest in eastern Madagascar (Maromizaha, Andasibe)... -
Myths about fundamental indexing
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Lieven De Moor --- Vrije Universiteit Brussel, Faculty of Economic and Social Sciences and Solvay Business School, Belgium Fang Liu --- Beijing Foreign Studies University, China Piet Sercu --- KU Leuven, Faculty of Economics and Business, BelgiumFundamental indexing starts from the observation that in a value-weighted portfolio, any overpricing affects the stock’s portfolio weight upward and its typical return downward, and vice versa; but on average the ‘drag’ on the portfolio’s expected return caused by this... -
Considering soil quality when comparing disc and tine seed-drill openers for establishing wheat
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Pieter A Swanepoel --- Department of Agronomy, South Africa G André Agenbag --- Department of Agronomy, South Africa Johann A Strauss --- Directorate Plant Sciences, Western Cape Department of Agriculture, South AfricaWheat (Triticum aestivum) is planted widely in the Western Cape of South Africa in conservation agriculture systems. Although most producers rely on tine openers to establish wheat, the interest in planters with disc openers is increasing. Given that the soils... -
A review of conservation agriculture research in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Corrie M Swanepoel --- Agricultural Research Council–Institute for Soil, South Africa Lourens H Swanepoel --- Department of Zoology, South Africa Hendrik J Smith --- Grain SA, South AfricaConservation agriculture (CA) is advocated as a sustainable farming method to improve soil health, increase crop yields and food security, while reducing input costs. In South Africa, a country with low rainfall, limited agricultural lands and a large smallholder farming... -
Quantitative pedology to evaluate a soil profile collection from the Brazilian semi-arid region
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Helena SK Pinheiro --- Agronomy Institute, Soil’s Department, Brazil Lúcia Helena C dos Anjos --- Agronomy Institute, Soil’s Department, Brazil Pedro AM Xavier --- Agronomy Institute, Soil’s Department, Brazil Cesar S Chagas --- Embrapa Solos, Brazil Waldir de Carvalho Junior --- Embrapa Solos, BrazilThis work applies pedometric tools to analyse soil property information relevant to morphological characterisation and soil classification. The objective of this paper was further to identify similarities in soil properties among a soil profile collection. The harmonisation of soil data... -
‘Telephone Triage’: a possible means of managing the after-hours patient load at primary health care facilities in South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: AA Adeniji --- Division of Family Medicine and Primary Care, Stellenbosch University, Tygerberg, South Africa, LH Mabuza --- Department of Family Medicine and Primary Health Care, Sefako Makgatho Health Sciences University, Pretoria, South Africa.,The rate at which routine patients are using the emergency department (ED) as a path to enter into the healthcare system in South Africa’s community healthcare facilities and district hospitals is alarming. The increasing number of acutely presenting, less stable... -
Quality of primary care physicians’ communication of diabetes self-management during medical encounters with persons with diabetes mellitus in a resource-poor country
Item type: Journal Article • Journal: South African Family Practice • Authors: OS Ojo --- Family Medicine Department, Nigeria SO Malomo --- Family Medicine Department, Nigeria AO Egunjobi --- Family Medicine Department, Nigeria AOA Jimoh --- Family Medicine Department, Nigeria MO Olowere --- Family Medicine Department, NigeriaBackground: Most of the Nigerian studies on the determinants of diabetes self-management have focused on patient-related factors. There is no previous local study that examined the quality of diabetes self-management education provided by primary care physicians to people with diabetes... -
Quantifying the largest aggregation of giant trevally Caranx ignobilis (Carangidae) on record: implications for management
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R Daly --- Port Elizabeth Museum at Bayworld, South Africa CAK Daly --- Save Our Seas Foundation (SOSF) D’Arros Research Centre, Switzerland RH Bennett --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa PD Cowley --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa MAM Pereira --- Centro Terra Viva, Mozambique JD Filmalter --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaThe giant trevally Caranx ignobilis (Forsskål) is an important apex predatory fish typically associated with coral reef communities. It is prized in recreational and commercial fisheries, yet little is known about its aggregation dynamics and susceptibility to fishing pressure. This... -
Environmental responses of jellyfish polyps as drivers of medusa populations off the coast of Namibia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Ziegler --- Department of Biodiversity and Conservation Biology, South Africa MJ Gibbons --- Department of Biodiversity and Conservation Biology, South AfricaJellyfish populations in the southeastern Atlantic off the coast of Namibia have increased subsequent to the decline of small pelagic fisheries at the end of the 1960s, although the environment there has also become warmer and the waters off Walvis... -
The Informal Economy in pan-Africa: Review of the Literature, Themes, Questions, and Directions for Management Research
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Katia M. Galdino --- Georgia Southern University, USA Moses N. Kiggundu --- Sprott School of Business, Canada Carla D. Jones --- Sam Houston State University, USA Sangbum Ro --- University of Tampa, USAThe informal economy is an important phenomenon in African countries, accounting for up to 90% of the jobs in the lowest income Sub-Saharan countries such as Central African Republic and the Democratic Republic of the Congo. Management research about Africa,... -
The effect of pre-harvest wind damage on post-harvest quality of ‘Triumph’ persimmon fruit
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Pesanai Zanamwe --- Department of Botany and Biotechnology, South AfricaThe post-harvest quality of ‘Triumph’ persimmon fruits grown in the Western Cape, South Africa varies with seasons. Poor post-harvest fruit quality is assumed to be associated with seasons that are characterized by violent wind occurrences. This study was carried out... -
A model for addressing parallelism of systems in the management of data: The Namibian case
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Irja Shaanika --- Department of Information Technology, South Africa Monica Maletzky --- Department of Information Technology, South Africa Tiko Iyamu --- Department of Information Technology, South AfricaAs in many countries, the volume of data that has been generated by the Namibian government administrations and agencies in recent years has increased drastically in rapidity. Consequently, this has led to difficulties and challenges in the control and management... -
A privacy management framework for personal electronic health records
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Floyd Els --- Department of Information Systems, University of Fort Hare, South Africa Liezel Cilliers --- Department of Information Systems, University of Fort Hare, South AfricaPersonal electronic health records (PEHRs) can be used by patients to manage their health and lifestyle better. PEHRs can provide a more efficient communication channel between the patient and healthcare provider; reduce medical errors and enhance the monitoring of patients... -
Effect of tree spacing on growth and wood density of 38-year-old Cariniana legalis trees in Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ivanka Rosada de Oliveira --- Departamento de Ciências Florestais, Brazil Matheus Peres Chagas --- Setor de Engenharia Florestal, Brazil Jean-Pierre Bouillet --- Departamento de Ciências Florestais, Brazil Eduardo Luiz Longui --- Divisão de Dasonomia, Brazil Israel Luiz de Lima --- Divisão de Dasonomia, Brazil Bruno Bordron --- Departamento de Ciências Florestais, Brazil Angel Boschiero Ferreira --- Departamento de Ciências Florestais, Brazil Mario Tommasiello Filho --- Departamento de Ciências Florestais, BrazilAverage wood density of 38-year-old Cariniana legalis (Mart.) Kuntze, a Brazilian native forest species, was found to increase with faster growth and lower stocking, while decreasing from pith to bark. A complete randomised block design was planted with five blocks... -
A decision support tool approach based on the Electre TRI-B method for the valorisation of tropical timbers from the Congo Basin: an application for glulam products
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: René Oum Lissouck --- Department of Civil Engineering and Wood Construction, Cameroon Régis Pommier --- University of Bordeaux, France Franck Taillandier --- University of Bordeaux, France Jean K Mvogo --- Laboratory of Civil Engineering and Mechanics, National Advanced School of Engineering, Cameroon Denys Breysse --- University of Bordeaux, France Louis M Ayina Ohandja --- Laboratory of Civil Engineering and Mechanics, National Advanced School of Engineering, CameroonAn alternative approach to the formal management strategy of tropical timber species from the Congo Basin was investigated. It focused on the development of glulam, with an aim to specify a decision support model for the valorisation of tropical timber... -
Cold storage for low-cost air-conditioning
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Daniel M. Madyira --- Department of Mechanical Engineering Science, South AfricaBuilding heating, ventilation and air-conditioning (HVAC) consumes 50% of the building energy consumption. Such high costs are based on the conventional HVAC cycles for air cooling based on grid connected buildings. However, there are alternative passive and active cold storage... -
Towards a core curriculum for civic engagement on appropriate technology: Characterizing, optimizing and mobilizing youth community service learning
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Alexia J. Wensing --- Social Psychology, Canada Enrico J. Wensing --- Teachers College, Columbia University, USA Michelle Virgo --- Independent Scholar Practitioner, UKYoung learners represent a source of renewable energy that could benefit communities worldwide. While there are a growing number of isolated case examples of successful community engagement projects led by youth and their educators from around the world, a gap... -
Design of an engineered landfill as possible replacement for an existing dump at Akure, Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: O.O. Ojuri --- Department of Civil and Environmental Engineering, Nigeria T.O. Ajijola --- Department of Civil and Environmental Engineering, Nigeria I. I. Akinwumi --- Department of Civil Engineering, NigeriaThis work focuses on the design of an engineered (semi-aerobic) landfill in Akure with a view to encourage a shift from the use of a dumpsite, which despite its adverse environmental impact has remained the method of waste disposal in... -
Reflections, applications and future directions of Long-Term Ecological Research at Tierberg
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Gina Arena --- South African Environmental Observation Network (SAEON): Arid Lands Node, South Africa Helga van der Merwe --- South African Environmental Observation Network (SAEON): Arid Lands Node, South Africa Simon W Todd --- South African Environmental Observation Network (SAEON): Arid Lands Node, South Africa Marco J Pauw --- South African Environmental Observation Network (SAEON): Arid Lands Node, South Africa Suzanne J Milton --- South African Environmental Observation Network (SAEON): Arid Lands Node, South Africa W Richard J Dean --- South African Environmental Observation Network (SAEON): Arid Lands Node, South Africa Joh R Henschel --- South African Environmental Observation Network (SAEON): Arid Lands Node, South AfricaTierberg-LTER is a research site established in 1987 in the semi-arid Succulent Karoo near Prince Albert in the Western Cape province, South Africa. The original purpose for its establishment was to study ecosystem dynamics and the drivers of vegetation in... -
Weed species composition and density under conservation agriculture with varying fertiliser rate
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Conrad Baker --- Agricultural Research Council–Institute for Soil, Climate and Water, South Africa Ignacio C Madakadze --- Department of Plant Production and Soil Science, South Africa Corrie M Swanepoel --- Agricultural Research Council–Institute for Soil, Climate and Water, South Africa Zira Mavunganidze --- Department of Plant Production and Soil Science, South AfricaConservation agriculture (CA) is a sustainable management system that optimises yield while reducing input costs. However, reduction in tillage intensity and frequency as practised under CA generally alters weed densities and composition. The objective of the study was to evaluate... -
Human health risks of metalloids and metals in muscle tissue of silver carp Hypophthalmichthys molitrix (Valenciennes, 1844) from Lake Flag Boshielo, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JR Sara --- Department of Biodiversity, South Africa SM Marr --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa NM Chabalala --- Department of Biodiversity, South Africa WJ Smit --- Department of Biodiversity, South Africa LJC Erasmus --- Department of Physiology and Environmental Health, South Africa WJ Luus-Powell --- Department of Biodiversity, South AfricaThe Olifants River, a major tributary of the Limpopo River, is one of the most polluted rivers in South Africa. Consequently, concerns regarding the human health impact of long-term consumption of fish from the Olifants River have been raised in... -
Social engagement and survival in people aged 50 years and over living with HIV and without HIV in Uganda: a prospective cohort study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Joseph O Mugisha --- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine, Uganda Enid J Schatz --- Department of Health Sciences, USA Christian Hansen --- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine, Uganda Emily Leary --- Biostatistics and Research Design Unit, School of Medicine, USA Joel Negin --- School of Public Health, Australia Paul Kowal --- World Health Organization study on global AGEing and adult health, Switzerland Janet Seeley --- Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine, UgandaThis study examined the association between social engagement and survival in people with or without HIV aged 50 years and over in Uganda. We analysed two waves of a survey from two sites in Uganda to assess predictors of mortality... -
Prevalence and social and health correlates of insomnia symptoms among middle-and older-age persons in rural South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Supa Pengpid --- ASEAN Institute for Health Development, Thailand Karl Peltzer --- Department of Research & Innovation, South AfricaThis study investigated the prevalence and social and health correlates of insomnia symptoms among middle-and older-adults in rural South Africa. We analysed baseline survey data from the Health and Aging in Africa: A Longitudinal Study of an INDEPTH community in... -
Expatriates’ success in Ethiopia: Empirical evidence on the overlooked impact of cultural value alignment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Wondwossen Kassa Tsegaye --- School of Management, China Qin Su --- School of Management, China Zhi Ouyang --- School of Management, ChinaThe present study assessed the impact on the work engagement of expatriates’ personal value orientation alignment with the host country’s national culture. Participants were 231 expatriates from seven countries who are working in Ethiopia (females = 17%; mean age =... -
Family structure and community connectedness: Their association with teenage pregnancy in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Clifford Odimegwu --- Demography and Population Studies Programme, Schools of Public Health and Social Sciences, Sibusiso Mkwananzi --- Demography and Population Studies Programme, Schools of Public Health and Social Sciences,This study aimed to examine the relationships between family structure and community connectedness on the one hand, as well as risk for teenage pregnancy on the other. Data were from the South African General Household Surveys 2011, 2012, 2013; N... -
Social support effects on diabetes management by South African emerging adults: A replication and extension study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Elné Visagie --- Compres, School for Psychosocial Health, South Africa Esmé van Rensburg --- Compres, School for Psychosocial Health, South Africa Elmarí Deacon --- Optentia, School for Psychosocial Health, South AfricaThis study aimed to explore and describe the role of social support in successful living with type 1 diabetes. Informants were eight emerging adults with well-controlled type 1 diabetes (females = 5; white = 7, African = 1; mean time since diagnosis = 8.5 years, SD time since... -
When life's good: Gendered marital satisfaction and work-pay satisfaction influences on organisational commitment of advancement-career-stage employees
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Chibuzor Uchenna Onuoha --- Population & Health Research Entity, Faculty of the Human Sciences, South Africa Erhabor Sunday Idemudia --- Population & Health Research Entity, Faculty of the Human Sciences, South AfricaWe examined the influences of marital satisfaction and work-pay satisfaction on organisational commitment among advancement-career-stage employees while controlling for gender and a selection of socio-demographics. The sample consisted of 350 workers (females = 237; mean age = 32.44, SD =... -
What to do about how to do: Reflections on the future direction of hospitality education and research
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Conrad Lashley --- Hospitality Studies, The NetherlandsHospitality management provision in higher education in the UK is well established, though most courses are overly concerned with developing “how to do” skills in graduates. This paper argues that this “how to do” culture is reinforced by student learning... -
A conceptual model of heritage dimensions and agrotourism: Perspective of Nandi County in Kenya
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Belsoy Josphat Sawe --- Departmentof Hotel and Hospitality Management, School of Tourism Hospitality and Events Management, Kenya Damiannah Kieti --- Departmentof Hotel and Hospitality Management, School of Tourism Hospitality and Events Management, Kenya Bob Wishitemi --- Departmentof Hotel and Hospitality Management, School of Tourism Hospitality and Events Management, KenyaConceptual frameworks have previously been used to give a structure to research that essentially simplifies thinking and clarifies issues, while at the same time providing a common reference point. Agrotourism is fast emerging as a key player in the activation... -
Retention of festival volunteers: Management practices and volunteer motivation
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Diane Zievinger --- Stenden Hotel Management School, The Netherlands Frans Swint --- Stenden Hotel Management School, The NetherlandsMany volunteers in different festival organisations within the hospitality industry begin with great excitement, but slowly lose interest. This might be due to poor volunteer management practices that result in decreased motivation among volunteers, and with the consequences of them... -
Issues faced by hotel human resource managers in Alexandria, Egypt
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Eslam Ahmed Fathy Fathy --- Hotel Management, Faculty of Tourism and Hotel Management, EgyptThis study investigates challenges faced by human resource (HR) managers and their practices to cope in hotels of Alexandria city, Egypt. The researcher undertook semi-structured interviews with HR managers in four- and five-star hotels in Alexandria. The study findings revealed... -
Minimum population size and potential impact of feral and semi-feral donkeys and horses in an arid rangeland
Item type: Journal Article • Journal: African Zoology • Authors: Halcyone Muller --- Conservation South Africa, South Africa Amanda Bourne --- Department of Biological Sciences, South AfricaFarmers in the northern, communally managed parts of the Succulent Karoo, an arid rangeland system in South Africa, historically used donkeys and horses for transport and ploughing. With increasing mechanisation, draught animal power has largely been replaced by machines. Yet,... -
Fifty-five-year longevity for the largest member of the family Sparidae: the endemic red steenbras Petrus rupestris from South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AH Andrews --- , United States MJ Smale --- , South Africa PD Cowley --- , South Africa N Chang --- , South AfricaA previous study that explored the age and growth of red steenbras Petrus rupestris (Valenciennes, 1830), a large sparid (family Sparidae, seabreams or porgies) endemic to South Africa and reported to approach 2 m in length, provided estimates as a... -
Life-history traits of seabream Boops boops (Linnaeus, 1758) in the central eastern Atlantic Ocean (Canary Islands)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Massaro --- , Italy JG Pajuelo --- , SpainLife-history traits of the sparid Boops boops are studied for the first time in an isolated Atlantic population. Boops boops is a hermaphrodite species characterised by late gonochorism or non-functional hermaphroditism. The 1:0.852 ratio of females to males was significantly... -
Age, growth and natural mortality of blue jack mackerel Trachurus picturatus (Carangidae) from the Canary Islands, Spain (NW Africa)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Jurado-Ruzafa --- , Spain MTG Santamaría --- , SpainStatus assessment of exploited fish populations is a general requirement to ensure sustainability of fisheries in both global and local contexts. The blue jack mackerel Trachurus picturatus (Bowdich, 1825) remains unassessed in a data-limited fishery in the eastern central Atlantic,... -
An Evaluation of the Implementation of the Arabuko-Sokoke Forest Reserve Co-management Approach in Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Felix Lamech Mogambi Ming’ate --- Department of Environmental Studies and Community Development, KenyaSeveral studies have been conducted on the implementation of co-management of forests. There is a significant gap in the current literature regarding the extent to which the implementation of co-management regimes is having an effect. The purpose of this paper... -
Effects of temporal factors, nesting microhabitat and nest position on the survival of passerine nests in a Tunisian oasis habitat
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Jihen Boukhriss --- Unité de recherche «Ecologie de la faune terrestre» (UR17ES44), Faculté des Sciences de Gabès, Tunisia Slaheddine Selmi --- Département des Sciences de la Vie, Faculté des Sciences de Gabès, TunisiaIdentifying the ecological factors shaping bird nest survival is essential for understanding bird population dynamics, as well as for conservation purposes. Using data obtained by monitoring natural bird nests in one oasis in south-eastern Tunisia, we fitted logistic exposure models... -
Plumage development and moult in captive Black-bellied Sandgrouse Pterocles orientalis: age and sex variations
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Mohamed Aourir --- Department of Biology, Faculty of Sciences, Morocco Mohammed Znari --- Department of Biology, Laboratory «Biodiversity and Ecosystem Dynamics», Faculty of Sciences – Semlalia, Morocco Mohamed Radi --- Department of Biology, Laboratory «Biodiversity and Ecosystem Dynamics», Faculty of Sciences – Semlalia, MoroccoThe sandgrouse, family Pteroclididae, are a group of birds adapted to open, arid habitats and powerful fliers but information on their plumage development and moult is scarce. In this study, the annual cycle of body plumage development, sequence and duration... -
Induction of anaesthesia with propofol according to the adjusted ideal body mass in obese and non-obese patients: an observational study
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: FJ Smith --- Department of Anaesthesiology, School of Medicine, South Africa FX Jurgens --- Department of Anaesthesiology, School of Medicine, South Africa JF Coetzee --- Department of Anaesthesiology and Critical Care, South Africa PJ Becker --- Department of Anaesthesiology, School of Medicine, South AfricaBackground: Obesity changes body composition including fat free mass (FFM), regarded as the “pharmacologically active mass”. Scaling drug doses to obese patients by total body mass (TBM) results in overdose. We aimed to determine the success rate of inducing anaesthesia... -
Inheritance of fruit neck, rind and seed coat hardness, and seed coat colour in bottle gourd
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Nogbou F Amangoua --- UFR des Sciences de la Nature, Breeding and Crop Husbandry Unit, Côte d’Ivoire Kouamé K Koffi --- UFR des Sciences de la Nature, Breeding and Crop Husbandry Unit, Côte d’Ivoire Jean-Pierre Baudoin --- Unité de Phytotechnie Tropicale et d’Horticulture, Gembloux Agro-Bio Tech, Belgium Irié A Zoro Bi --- UFR des Sciences de la Nature, Breeding and Crop Husbandry Unit, Côte d’IvoireBottle gourd (Lagenaria siceraria (Molina) Standl.) is an edible, medicinal and decorative plant exhibiting wide genetic variation for fruit and seed characters, but it remains under-researched. This study assessed inheritance of fruit neck, fruit rind hardness, seed coat hardness and... -
Anaesthetic considerations in a child with fibrodysplasia ossificans progressiva
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Thomas Kleyenstüber --- Department of Anaesthesia, Rahima Moosa Mother and Child Hospital, South AfricaFibrodysplasia ossificans progressiva (FOP) is an extremely rare genetic disorder characterised by extraskeletal ossification of connective tissue. Affected individuals often become completely immobilised by their third decade of life. Amongst numerous anaesthetic concerns, the airway management of patients with FOP... -
The bionomics of whitegrub species (Coleoptera: Scarabaeidae) affecting commercial forestry re-establishment in representative areas of the South African summer-rainfall region
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Derian Echeverri-Molina --- Department of Biology, School of Science and Technology, Sefako Makgatho Health Sciences University, South Africa Prem Govender --- Research and Postgraduate Studies Directorate, Sefako Makgatho Health Sciences University, South AfricaSouth African commercial forestry plants mainly Eucalyptus, Pinus and Acacia species. Invertebrate pests play a significant role in the establishment phase of these exotic trees. Whitegrubs, in particular, are known to affect seedling survival during this period. Their pest status... -
Lesion size induced by Chrysoporthe fungal pathogens varies between Eucalyptus species and geographic locations in Zambia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Donald Chungu --- Department of Plant and Environmental Sciences, School of Natural Resources, Zambia Jedrick Siyingwa --- Department of Plant and Environmental Sciences, School of Natural Resources, Zambia Phillimon Ng’andwe --- Department of Biomaterial Science and Technology, School of Natural Resources, Zambia Bertha Chitala Chungu --- School of Business, ZambiaChrysoporthe canker disease is one of the serious threats facing planted Eucalyptus in southern Africa. In order to manage this disease, planting of less susceptible species of Eucalyptus has been promoted in many countries but it is not clear which... -
Age categories and corresponding gender characteristics of five Crested Francolin subspecies (genus Dendroperdix)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Johann H van Niekerk --- Department of Environmental Sciences, College of Agriculture and Environmental Sciences, South AfricaFifty-five Crested Francolins, Dendroperdix sephaena sephaena, were trapped, marked, retrapped and observed from 1984 to 1988 to assess and describe gender and age criteria based on morphological measurements and plumage characteristics on the farm La Boheme (Rustenburg, North West province,... -
Microfilarial infections associated with body mass loss of Village Weavers Ploceus cucullatus
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Andong F Atawal --- AP Leventis Ornithological Research Institute, Nigeria Anthony C Mgbeahuruike --- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, Nigeria Martijn Hammers --- AP Leventis Ornithological Research Institute, NigeriaHaemoparasitic infections in wild birds have been widely studied in order to understand parasite–host relation- ships, but our understanding of their impact on the host's fitness is still limited. In this study, we quantified the associations between microfilarial infections and... -
Navigating competing institutional logics in a developing economy
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Kassa Woldesenbet Beta --- Strategic Management and Marketing, UK John Storey --- People and Organization, UK Bruce T. LamontThis paper examines how senior managers in a developing economy, Ethiopia, navigate between, and draw upon, the competing logics of ‘state’ and ‘market’ when seeking to explain their firm’s business strategies. This fault-line is especially critical in such contexts. The... -
Conflict management and prevention under the African Peace and Security Architecture (APSA) of the African Union
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Sophie Desmidt --- Policy Officer, Security and Resilience programme, Bruce LamontUnder the umbrella of the African Peace and Security Architecture (APSA), the African Union (AU) and Regional Economic Communities (RECs) have intervened in violent conflicts using a number of non-military tools. In the first section, after unpacking the institutional pillars... -
Behind the emergence of management scholarly communities in Asia and Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: David B. Zoogah --- Williams College of Business, South Africa Mike W. Peng --- Jindal School of Management, USA Bruce T. LamontManagement scholarly communities have recently emerged in Asia and Africa. What are the antecedents behind their rise? What are the processes that facilitate their acceptance by internal and external stakeholders? Drawing on the sociology of science literature, this article develops... -
The Tower of London-DX 2nd Edition test: Preliminary norms for educationally disadvantaged Xhosa-speaking individuals
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Rumaine Naidoo --- Department of Psychology, South Africa Ann B. Shuttleworth-Edwards --- Department of Psychology, South Africa Ryan Botha --- Department of Psychology, South Africa Ida Pienaar --- Department of Psychology, South AfricaThis study aimed to construct preliminary normative indications for educationally disadvantaged, Xhosa-speaking South African individuals on the Tower of London-Drexel University 2nd Edition test (TOL-DX 2nd Edition). The TOL-DX 2nd Edition is a commonly employed neurocognitive measure of executive function... -
Predictors of life satisfaction among multicultural African families in South Korea
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Il-young Choi --- School of Management, South Korea Hyun-ju Choi --- Department of Cultural & Arts Management, South Korea Jeong-hee Lim --- Research Institute Multicultural Community, South Korea Seung-hye Jung --- School of Dance, South Korea Jae-kyeong Kim --- School of Management, South Korea Joon-ho Kim --- Department of Business Administration, South KoreaThe aim of this study was to predict perceived life satisfaction of multicultural African families living in South Korea in terms of their fluency in the Korean language, government support for education, and the experience of discrimination. A total of... -
When less is more: heterogeneity in grass patch height supports herbivores in counter-intuitive ways
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Rina CC Grant --- Department of Zoology, South Africa Judith Botha --- Scientific Services Kruger National Park, South Africa Thelani C Grant --- Faculty of Animal and Wildlife Science, South Africa Mike JS Peel --- Agricultural Research Council–Animal Production, South Africa Izak PJ Smit --- Scientific Services Kruger National Park, South AfricaHerbivores are an integral part of the African landscape and have evolved with the vegetation to create the savanna landscape. Managers of these landscapes can benefit from a better understanding of how indigenous herbivores use the landscape to which they... -
Stakeholders’ perceptions of dietary and related self-management challenges and education programme preferences for type 2 diabetes adults
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: JW Muchiri --- Department of Human Nutrition, South Africa GJ Gericke --- Department of Human Nutrition, South Africa P Rheeder --- Department of Internal Medicine, South AfricaObjective: To inform the adaptation of an intervention from a primary healthcare setting to a tertiary setting, the dietary and related self-management challenges and education programme preferences of adults with type 2 diabetes (T2DM) were explored. -
The role of support groups in linking and retaining newly diagnosed clients in HIV care in a peri-urban location in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Siyabonga Kave --- Department of Rural Health, South Africa Nelisiwe F Khuzwayo --- Department of Rural Health, South Africa Abigail Hatcher --- School of Public Health, South Africa Yandisa Sikweyiya --- Gender & Health Research Unit, School of Public Health, South AfricaAlthough South Africa has the largest number of people on antiretroviral therapy (ART) in the world, many HIV clients drop out of care immediately after HIV diagnosis. This qualitative study explored the perceptions and experiences of newly diagnosed clients on... -
HIV prevalence and related behaviours of older people in Botswana — secondary analysis of the Botswana AIDS Impact Survey (BAIS) IV
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Kabo Matlho --- School of Public Health, Australia Madeleine Randell --- School of Public Health, Australia Refelwetswe Lebelonyane --- Ministry of Health, Botswana Joseph Kefas --- National AIDS Coordinating Agency, Botswana Tim Driscoll --- School of Public Health, Australia Joel Negin --- School of Public Health, AustraliaThe focus of HIV interventions in Botswana, a country with the second highest prevalence of HIV in the world, remains targeted at those aged 15–49 years despite a growing cohort of older people living with the disease — driven largely... -
Spatial variation in meristic and morphometric characteristics of sardine Sardinops sagax around the coast of southern Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: G Groenewald --- Marine Research Institute and Department of Biological Sciences, South Africa CL Moloney --- Marine Research Institute and Department of Biological Sciences, South Africa CD van der Lingen --- Marine Research Institute and Department of Biological Sciences, South AfricaSpatial variability in phenotypic characteristics within a fish population may be used to infer the existence of multiple stocks, and knowledge of the population structure of exploited species is important for their sustainable management. In this study we investigated geographic... -
Movement patterns of an endemic South African sparid, the black musselcracker Cymatoceps nasutus, determined using mark-recapture methods
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TS Murray --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa PD Cowley --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa BQ Mann --- Oceanographic Research Institute (ORI), South Africa JQ Maggs --- Oceanographic Research Institute (ORI), South Africa G Gouws --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaThis study made use of data from three long-term fish tagging projects along the South African coastline to investigate the movement behaviour of the endemic black musselcracker Cymatoceps nasutus (Sparidae). From 1984 to 2016, a total of 3 430 C... -
Quality of Olympics opening ceremony: Tourism behavioural intention of international spectators
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Il-young Choi --- School of Management, South Korea Hyun-ju Choi --- Department of Cultural & Arts Management, South Korea Jong-yoon Lee --- Department of Photography, Visual & Contents, South Korea Seung-hye Jung --- School of Dance, South Korea Byong-ju An --- School of Dance, South Korea Joon-ho Kim --- Department of Business Administration, South KoreaThis study assessed the impact of the artistic program of the Winter Olympics opening ceremony event on international spectators’ national image branding of the host country and their intention to visit the host nation. We surveyed a total of 600... -
Psychological management intervention guidelines for rape survivors with post-traumatic stress disorder (PTSD): A brief exploratory systematic literature review
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nombulelo Veronica Sepeng --- Faculty of Health Sciences, Prinshof Campus, Department of Nursing, South Africa Lufuno Makhado --- School of Health Sciences, Research office, South AfricaThis exploratory systematic literature review aimed to characterise the current evidence on psychological management intervention guidelines for use with rape survivors with post-traumatic stress disorder (PTSD) symptoms. For the data searches we accessed the following electronic databases: Google Scholar, Science... -
Peaceful waters: Community action in sustainable scarce resource management in a rural Zimbabwean setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Evans Shoko --- School of Social Sciences, South AfricaI explored community collation approaches to sustainable water management by a rural Zimbabwean community for social justice and equity with inclusivity. Informants were a convenience sample of 27 community dwellers; including villagers (n = 20), community leaders (n = 2),... -
Job apathy and work engagement: Moderating influence of perceived leader integrity and spiritual intelligence in a Nigerian mass transit company
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Fabian O. Ugwu --- Department of Psychology, Faculty of Management and Social Sciences, Nigeria Ike E. Onyishi --- Department of Psychology, Faculty of the Social Sciences, Nigeria Okechukwu Ibiam Egwu --- Department of Political Science, Faculty of Management and Social Sciences, Nigeria Otu Otu Akanu --- Department of Political Science, Faculty of Management and Social Sciences, Nigeria Okechukwu Groupson --- Department of Political Science, Faculty of Management and Social Sciences, Nigeria Moses Agudiegwu --- Department of Political Science, Faculty of Management and Social Sciences, NigeriaThis study explored the direct and interactive roles of job apathy, perceived leader integrity, and spiritual intelligence on work engagement among 206 Nigerian employees of a leading mass transit company (females = 33%; mean age = 35.81years, SD = 5.04;... -
Correlates of perceived HIV-related stigma among HIV-positive pregnant women in rural Mpumalanga province, South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shandir Ramlagan --- HIV/Aids, STI and TB Unit, Human Sciences Research Council, South Africa Sibusiso Sifunda --- HIV/Aids, STI and TB Unit, Human Sciences Research Council, South Africa Karl Peltzer --- HIV/Aids, STI and TB Unit, Human Sciences Research Council, South Africa Jenny Jean --- Miller School of Medicine, USA Robert A.C. Ruiter --- Department of Work and Social Psychology, The NetherlandsThe study investigated correlates of perceived HIV-related stigma among 673 HIV-positive women from rural Mpumalanga province, South Africa (mean age 28 years old, SD = 5.73 years). The women completed measures of HIV-related stigma experience and related personal factors. Following... -
Employee engagement at a higher education institution in South Africa: Individual, team and organisational levels
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tinashe Ndoro --- Management Department, South Africa Nico Martins --- Department of Industrial and Organisational Psychology, South AfricaWe examined the levels of employee engagement among staff members at a higher education institution in South Africa at the individual, team, and organisational levels. The participants (N = 202) completed a validated measure of employee engagement (females = 62.4%;... -
Managing dyspraxia: Pre-school teachers’ perceptions, experiences and strategies
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Athena Pedro --- Department of Psychology, South Africa Tessa Goldschmidt --- Department of Psychology, South AfricaDyspraxia is a childhood developmental disorder that manifests as a difficulty in thinking, planning, and executing planned movements or tasks. Dyspraxia affects approximately 5–6% of school-aged children. This study aimed to explore pre-school teachers’ awareness and understanding of dyspraxia, and... -
Spermatozoa morphology and ultrastructure in Nile perch, Lates niloticus (Linnaeus, 1758)
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D Kahwa --- Department of Wildlife and Aquatic Resources, Uganda E Nyatia --- Department of Biotechnical and Diagnostic Services, Uganda J Rutaisire --- Aquaculture Research and Development Centre, Uganda H Kaiser --- Department of Ichthyology and Fisheries Science, South AfricaLates niloticus is a valuable commercial fish species with good potential for aquaculture. However, there is limited information on the type and structure of the Nile perch spermatozoon, which could potentially aid in culture of this species. Here, we describe... -
A mathematical formulation of the joint economic and emission dispatch problem of a renewable energy-assisted prosumer microgrid
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Uyikumhe Damisa --- Department of Electrical and Electronic Engineering Science, South Africa Nnamdi I. Nwulu --- Department of Electrical and Electronic Engineering Science, South Africa Yanxia Sun --- Department of Electrical and Electronic Engineering Science, South AfricaOperational planning of prosumer microgrids with solar and wind energy sources is quite a complex task considering the intermittency of these sources and energy import/export from prosumers. Reserve capacities which can be reliably provided by dispatchable sources like conventional generators... -
A novel approach for the identification of critical nodes and transmission lines for mitigating voltage instability in power networks
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Akintunde Samson Alayande --- Department of Electrical and Electronic Engineering Science, South Africa Nnamdi Nwulu --- Department of Electrical and Electronic Engineering Science, South AfricaVoltage collapse is a major issue combating the effectiveness and optimal operation of modern power systems in recent times. This is a great threat to the security and reliability of modern power systems and, in recent times, it has been... -
Prevalence of Vitamin D deficiency in a multiracial female population in KwaZulu-Natal province, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: Yeshnee Naidoo --- Discipline of Optics and Imaging, Durban, South Africa Jagidesa Moodley --- Women’s Health and HIV Research Group, Department of Obstetrics and Gynaecology, Durban, South Africa Lorna Madurai --- Global Clinical and Virology Laboratory, Thajasvarie Naicker --- Discipline of Optics and Imaging, Durban, South AfricaObjective: Vitamin D deficiency is a global health issue affecting many countries, especially those in temperate climates. The aim of this study was to determine the prevalence of Vitamin D deficiency and level of 25-hydroxyvitamin D [25(OH)D] in females categorised... -
The perceptions of general practitioners on National Health Insurance in Chris Hani district, Eastern Cape, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: Mthetheleli Mbongeni Gaqavu --- Division of Family Medicine and Primary Care, South Africa Robert Mash --- Division of Family Medicine and Primary Care, South AfricaBackground: National Health Insurance (NHI) intends to provide universal health coverage to all South Africans, with equity and quality as its tenets. The participation of private general practitioners (GPs) in NHI is essential. The aim was to explore perceptions of... -
The accuracy of preoperative serum CA-125 levels to predict lymph node metastasis in a population of South African women with endometrial carcinoma
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: K Hapsari --- Department of Obstetrics and Gynaecology, Faculty of Health Sciences, School of Medicine, South Africa J Makin --- Department of Obstetrics and Gynaecology, Faculty of Health Sciences, School of Medicine, South Africa G Dreyer --- Department of Obstetrics and Gynaecology, Faculty of Health Sciences, School of Medicine, South AfricaBackground: The purpose of the study was to evaluate the predictive value of serum CA-125 levels in the preoperative assessment of endometrial carcinoma in a setting where late presentation is common. -
Development and evaluation of a cardiac coherence index for sleep analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Patrick Celka --- SATHeart SA, Rue Galilée, Yverdon-les-Bains, Switzerland Niclas Granqvist --- SATHeart SA, Rue Galilée, Yverdon-les-Bains, Switzerland Herbert Schwabl --- SATHeart SA, Rue Galilée, Yverdon-les-Bains, Switzerland Stephen D. Edwards --- Psychology Department, South AfricaCardiac coherence measurement is an established technology in biofeedback systems for stress release. Studies have typically been conducted with participants during ordinary waking consciousness, yet cardiac coherence during sleep may be even more important in illness prevention and health promotion... -
Communal farmers’ ecological knowledge and perceptions of grasses in the central Eastern Cape province, South Africa: similarities with field studies and scientific knowledge and their implications
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Solomon Tefera --- Department of Livestock and Pasture Science, South Africa Ayanda Kwaza --- Department of Livestock and Pasture Science, South AfricaThe local ecological knowledge (LEK) and perceptions of grasses were investigated in six semi-arid communal areas in the central Eastern Cape province, South Africa, and compared with field studies and scientific knowledge. Of the total of 21 grasses identified in... -
Forage seed value chain analysis in a subhumid region of Zimbabwe: perspectives of smallholder producers
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Irenie Chakoma --- Graduate School of Business and Leadership, South Africa Bibi Zaheenah Chummun --- Graduate School of Business and Leadership, South AfricaIn smallholder systems, farmers are increasingly becoming aware of the need to improve livestock productivity through production of quality fodder. This is in response to scarcity of feed, particularly in the dry season, associated with seasonal variations, land degradation and... -
Population biology of the woodland dormouse Graphiurus murinus in a riverine Combretum forest, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Zimkitha JK Madikiza --- School of Animal, Plant and Environmental Sciences, South Africa Sandro Bertolino --- Department of Life Sciences and Systems Biology, Italy Emmanuel Do Linh San --- Department of Zoology and Entomology, South AfricaUntil recently, very little was known of the biology and ecology of the woodland dormouse Graphiurus murinus, a nocturnal and arboreal rodent belonging to the family Gliridae. Here, we aimed to increase our knowledge on its population biology in a... -
Effects of Tillage System and Weed Control Method on Weed Infestation and Yield of Lowland Rice (Oryza sativa L.)
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Eli Kuchi Jiya --- Department of Crop Production, Nigeria Emmanuel Daniya --- Department of Crop Production, Nigeria Musa Gimba Matthew Kolo --- Department of Crop Production, NigeriaA two–year experiment was carried out to determine the effects of tillage (heap and level, hoe plough and herbicide-based zero tillage) and weed control methods (no weeding, hoe weeding at 25 days after transplanting (DAT), hoe weeding at 25 and... -
Effect of cassava starch on shrinkage characteristics of concrete
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Akindehinde Ayotunde Akindahunsi --- Department of Civil Engineering, Nigeria Wolfram Schmidt --- BAM Federal Institute for Materials Research and Testing, GermanyThe use of starch and its derivatives in concrete as an admixture to modify relevant properties of concrete has been on the increase in recent times. It is known to modify the rheology, affect the hydration kinetics of cement, and... -
Disconnect between policy and practice in developing countries: Evidence of managing e-waste from Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Johnson Ojiyovwi Okorhi --- Institute of Engineering, Technology, and Innovation Management, Nigeria Joe E. Amadi-Echendu --- Institute of Engineering, Technology, and Innovation Management, Nigeria Helen Olubunmi Aderemi --- Department of Management and Accounting, Nigeria Roland Uhunmwangho --- Electrical/Engineering Department, Nigeria Anthony Chukwudi Okwubunne --- National Centre for Technology Management (NACETEM), NigeriaThere are insufficient management functions that begin with planning, institutional arrangements and technical handling of e-waste materials in Nigeria. Modern trends in recycling still fall short of global practices. This study examined Waste Electrical and Electronic Equipment (WEEE) management strategies... -
Seasonal variation of livestock feed resources in semi-arid and humid environments of Rwanda
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Mupenzi Mutimura --- University of KwaZulu-Natal, South Africa Cyprian Ebong --- Rwanda Agriculture Board (RAB), Rwanda Idupulapati M Rao --- International Centre for Tropical Agriculture (CIAT), Colombia Ignatius V Nsahlai --- University of KwaZulu-Natal, South AfricaIn most of sub-Saharan African countries, including Rwanda, the predominant agricultural production is from a mixed-crop-livestock farming system, because of small size land holding. The objective of this study was to assess the seasonal availability of livestock feed resources in... -
Iodine status of pregnant women and children age 6 to 12 years feeding from the same food basket in Mopani district, Limpopo province, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: E Mabasa --- School of Health Sciences, Department of Nutrition, South Africa NS Mabapa --- School of Health Sciences, Department of Nutrition, South Africa PL Jooste --- Iodine Global Network, Southern Africa XG Mbhenyane --- Division of Human Nutrition, Department of Interdisciplinary Health sciences, South AfricaObjectives: The aim of the study was to assess the iodine status of pregnant women and children age 6 to 12 years feeding from the same food basket in Mopani District. -
“From war to peace”: Military festival visitors’ quality-of-life
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Dewald Venter --- Department of Hospitality, Tourism and PR Management, Human Sciences, South Africa Stefan Kruger --- WorkWell Research Unit, South AfricaThe Voortrekker Monument Military festival is one of several military festivals held in South Africa. This study sought to determine the travel motives and life domain effects on the quality-of-life of visitors. Data were gathered from 330 visitors on their... -
Validation of the work engagement, job satisfaction, psychological empowerment, and organisational citizenship measures in a mining sector setting in Zimbabwe
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Polite Masvaure --- Department of Industial Psychology, South Africa Johanna Hendrina Buitendach --- Department of Industial Psychology, South AfricaThis study aimed to validate measures of work engagement, job satisfaction, psychological empowerment, and organisational citizenship for use with employees in a mining enterprise in Zimbabwe. Miners (N = 176, males = 85.2%, females = 1.3%; age range = 24–65... -
Effect of residue management and fertiliser application on the productivity of a Eucalyptus hybrid and Acacia mangium planted on sloping terrain in northern Vietnam
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Nguyen Van Bich --- Tasmanian Institute of Agriculture, University of Tasmania, Australia Daniel Mendham --- CSIRO Land and Water, Australia Katherine J Evans --- Tasmanian Institute of Agriculture, University of Tasmania, Australia Tran Lam Dong --- Silviculture Research Institute, Vietnamese Academy of Forest Sciences, Vietnam Vo Dai Hai --- Silviculture Research Institute, Vietnamese Academy of Forest Sciences, Vietnam Hoang Van Thanh --- Silviculture Research Institute, Vietnamese Academy of Forest Sciences, Vietnam Caroline L Mohammed --- Tasmanian Institute of Agriculture, University of Tasmania, AustraliaForest plantation growers in Vietnam commonly burn residues after harvesting and often apply suboptimal amounts of nutrients during plantation establishment. We examined whether the retention of forest residue, and application of phosphorus fertiliser at higher rates, can increase rates of... -
Frost tolerance of various Pinus pure species and hybrids
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Fanelesibonge Mabaso --- Department of Forest and Wood Science, South Africa Hannél Ham --- Department of Forest and Wood Science, South Africa André Nel --- Sappi Forests Research, Shaw Research Centre, South AfricaPinus species are widely planted by the South African forestry industry and are utilised for pulp, paper and saw timber products. Historically, Pinus patula Schiede ex Schltdl. et Cham. was the most widely planted commercial species in the summer rainfall... -
New age-determination method based on fast growth rate of Cape hake Merluccius capensis in Namibia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MR Wilhelm --- Department of Fisheries and Aquatic Science, Namibia SC Paulus --- National Marine Information and Research Centre (NatMIRC), Namibia S Kashava --- National Marine Information and Research Centre (NatMIRC), NamibiaNamibia’s most important commercial fisheries resource, the shallow-water Cape hake Merluccius capensis, is currently assessed using statistical catch-at-age analysis. Age data obtained from otoliths constitute an important data component of this model. Recent age-validation studies of M. capensis showed that... -
Horizon scanning for alien predatory crabs: insights from South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Swart --- Department of Botany and Zoology, South Africa TB Robinson --- Department of Botany and Zoology, South AfricaDue to the presence of few dominant predators on South African rocky shores, this coastline could be vulnerable to invasion by predatory crabs. This study applied horizon scanning to create an ordered watch list of alien crab species that could... -
Assessing multiple mating and reproductive skew in three species of clinid fishes (Blenniiformes: Clinidae: Clinini), in reference to multiple mating in viviparous teleosts
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MJ Scheepers --- Department of Ichthyology and Fisheries Science, South Africa G Gouws --- National Research Foundation–South African Institute for Aquatic Biodiversity (NRF–SAIAB), South AfricaThis study investigated multiple mating in three species of intertidal klipfishes (family Clinidae): super klipfish Clinus superciliosus, bluntnose klipfish Clinus cottoides, and nosestripe klipfish Muraenoclinus dorsalis. These species display the rare reproductive mode of female vivipary with superfetation, a phenomenon... -
Review of anthropogenic threats and biodiversity assessment of an Ethiopian soda lake, Lake Abijata
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: S Wagaw --- Department of Biology, Ethiopia S Mengistou --- Department of Zoological Sciences, Ethiopia A Getahun --- Department of Zoological Sciences, EthiopiaThe intention of this review is to assess the impact of anthropogenic activities on the biodiversity of Lake Abijata. The lake was established as a National Park, together with Lakes Shalla and Chitu, to conserve water birds. It has high... -
Taxonomic challenges associated with identification guides of benthic macroinvertebrates for biomonitoring freshwater bodies in East Africa: A review
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: H Ochieng --- Department of Biology, Uganda J Okot-Okumu --- Department of Environmental Management, Uganda R Odong --- Department of Zoology, Entomology and Fisheries Sciences, UgandaAlthough biomonitoring of freshwater bodies is important in East Africa as a result of increasing environmental threats, the identification guides of benthic macroinvertebrates used to generate data for developing metrics for this purpose are mainly not regionally specific. This casts... -
A review of the influence of municipal sustainable supply chain management on South Africa’s recycling performance
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Fannie Machete --- College of Agriculture and Environmental Sciences, South AfricaThis paper reviews the influence of municipal sustainable chain management on South Africa’s recycling performance. In this study, municipal supply chain management systems are identified as one of the major factors that influence the lack of municipal solid waste services... -
Incidence and Severity of Common Bean (Phaseolus vulgaris L.) Pests in Agro-Ecological Zones and Farming Systems of Western Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: JO Ogecha --- Kenya Agricultural and Livestock Research Organization, Kenya W Arinaitwe --- International Centre for Tropical Agriculture, Kampala Uganda JW Muthomi --- Department of Crop Protection, Kenya V Aritua --- International Centre for Tropical Agriculture, Kampala Uganda JN Obanyi --- Kenya Agricultural and Livestock Research Organization, KenyaInfestation by insect pests is a serious problem in legume up scaling activities and a threat to future production in Kenya. The survey aimed at determining incidence and severity of insect pests of common beans in different districts and agro-ecological... -
Functional Diversity and Performance of Direct Marketing Outlets for Smallholder Farmers of Green Gram and Pigeon Pea Commodities in Machakos County, Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: John Mulwa Wambua --- Department of Agricultural Economics and Agribusiness, Kenya Margaret Ngigi --- Department of Agricultural Economics and Agribusiness, Kenya Lutta Muhammad --- Kenya Agricultural and Livestock Research Organization, KenyaThe smallholder direct marketing outlets (private grain traders) serve the smallholder farmers poorly in the rural areas of Kenya, making local markets thin and less competitive. The purpose of this study is to evaluate the diversity and the determinant factors... -
Integrating East Africa Through Arts and Culture: A Report of the EASTAFAB Tours and Exhibitions
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Kiagho B. Kilonzo --- Department of Creative Arts, TanzaniaIntegrating the East African region through culture has probably not been given much thought or made much of a priority in East Africa and Africa as a whole. Though integration of the East African nations began during the colonial era... -
Tales of Political Monuments in Malawi: Re-storying National History
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Ken Junior Lipenga --- English Department, MalawiCountries in Africa have many monuments memorialising specific figures and events in the history of their nations. Statuaries feature prominently among these monuments. This paper examines the positioning of three statues in Malawi. One of the statues is that of... -
Overcoming obstacles to a truly global psychological theory, research, and praxis in Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Seth Oppong --- Department of Psychology,In African countries, psychology as it is taught, researched, and practised contributes to epistemic injustice and epistemological violence while depriving Africans of epistemic agency. This is largely because psychology has remained and continues to remain Eurocentric. However, the continual Eurocentric... -
Employee engagement, organisational commitment, and job satisfaction in Namibia, South Africa, and Zimbabwe: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Molefe Maleka --- Department of People Management and Development, South Africa Mthokozisi Mpofu --- Department of People Management and Development, South Africa Clifford Kendrick Hlatywayo --- Department of Human Sciences, Namibia Ines Meyer --- Organisational Psychology, South Africa Stuart Carr --- Industrial and Organisational Psychology, New Zealand Jane Parker --- Employment Relations and HRM, New ZealandThe goal of this study was to measure employee engagement (EE), organisational commitment (OC), and job satisfaction (JS) in Namibia, South Africa, and Zimbabwe. We surveyed a convenience sample of 631 employees (South Africa: n = 219; Namibia: n =... -
Awareness and usage of work-life balance policies, cognitive engagement and perceived organizational support: A multi-level analysis
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Felicity Asiedu-Appiah --- Human Resource and Organisational Development, Ghana David B. Zoogah --- Department of Management and Entrepreneurship, USAUnderpinned by boundary management and social exchange theories, the study tested a multi-level model that examined the effect of collective employee awareness and usage of organizational work-life balance (WLB) policies on employees’ perceived organizational support. Results of multisource data obtained... -
Local food and tourism in the Global South
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Gabriel CM Laeis --- Department of Hospitality, Tourism and Event Management, GermanyMany countries in the Global South import a significant share of the food served to tourists. For decades, closer linkages of local food producer and the resort industry have been heralded as an antidote to this unsustainable circumstance, further encouraged... -
Phenotypical, physiological and biochemical traits of the vegetative growth of wild tepary bean (Phaseolus acutifolius) under restricted water conditions
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Reynaldo Leal-Delgado --- Botánica, Colegio de Postgraduados, México Cecilia B Peña-Valdivia --- Botánica, Colegio de Postgraduados, México Rodolfo García-Nava --- Botánica, Colegio de Postgraduados, México Antonio García-Esteva --- Botánica, Colegio de Postgraduados, México Eleazar Martínez-Barajas --- Departamento de Bioquímica, Facultad de Química, México Daniel Padilla-Chacón --- CONACyT – Colegio de Postgraduados, MéxicoTepary bean (Phaseolus acutifolius A. Gray) is distributed in arid and semi-arid regions from Arizona to the northern areas of Mexico. The objective of this study was to quantify the effects of water deficit on vegetative growth in four accessions... -
Patterns of juvenile reef-fish recruitment in Kenya’s shallow fringing- lagoon reefs
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GM Okemwa --- Kenya Marine and Fisheries Research Institute, Kenya B Kaunda-Arara --- Department of Fisheries and Aquatic Sciences, Kenya EN Kimani --- Kenya Marine and Fisheries Research Institute, KenyaStudies to understand local-scale patterns in the recruitment of juvenile coral-reef fishes within the western Indian Ocean (WIO) region are few, yet such knowledge is important in fisheries management. Underwater visual census surveys were conducted at five shallow fringing-lagoon reef... -
Age, growth and per-recruit stock assessment of southern mullet Chelon richardsonii in Saldanha Bay and Langebaan Lagoon, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Horton --- Department of Biological Sciences, South Africa D Parker --- Department of Biological Sciences, South Africa H Winker --- Branch: Fisheries Management, Department of Agriculture, South Africa SJ Lamberth --- Branch: Fisheries Management, Department of Agriculture, South Africa K Hutchings --- Anchor Environmental Consultants, South Africa SE Kerwath --- Department of Biological Sciences, South AfricaThe southern mullet Chelon richardsonii (Mugilidae) is the main target species of the inshore net fishery (gillnet and beach-seine) on the west coast of South Africa. The stock has displayed symptoms of overfishing, with a 28% reduction in the standardised... -
Age classes of developing Red-necked Spurfowl Pternistis afer based on plumage, morphology and behaviour
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Johann H van Niekerk --- Department of Environmental Sciences, College of Agriculture and Environmental Sciences, South AfricaThis paper describes the plumage and morphology development of 11 age classes of Red-necked Spurfowl Pternistis afer to assist with field observations. Sixteen spurfowl were marked with coloured leg rings in the Cannon Rocks Holiday Resort, Eastern Cape, South Africa... -
Disc pasture meter calibration to estimate grass biomass production in the arid dunefield of the south-western Kalahari
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Christiaan J Harmse --- Eiland Research Station, Northern Cape Department of Agriculture, Land Reform and Rural Development, South Africa Niels Dreber --- Department of Ecosystem Modelling, Faculty of Forest Sciences and Forest Ecology, Germany Winston SW Trollope --- Working on Fire International, South AfricaThe disc pasture meter (DPM) is a tool that is widely used to estimate aboveground standing grass biomass (ASB) in a rapid and non-destructive manner. Depending on the species composition, rangeland condition and local climate, available DPM calibrations may fail... -
Management of financial institutions in Africa: Emerging themes and future research agenda
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Ifedapo Adeleye --- Human Resources Management Program, USA Yaw A. Debrah --- School of Management, UK Lilac Nachum --- Zicklin School of Business, Baruch College, USAThe rise of the financial services sector in Africa over the last decade or so has been phenomenal, marked by significant advances in mobile money, and growing financial inclusion and profitability. However, there are significant gaps in the academic literature... -
Behavioural analysis of Village Weavers Ploceus cucullatus in an Ethiopian breeding colony during incubation: 1. Females
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Bobby Habig --- Department of Biology, Queens College, USA Khaleda Khan --- Department of Biology, Queens College, USA David C Lahti --- Department of Biology, Queens College, USAWe used video recordings to perform a behavioural analysis of a Village Weaver Ploceus cucullatus colony in Awash National Park, Ethiopia. We focused specifically on female behaviour during the pair-formation, egg-laying and early-incubation phases of the nesting cycle. A factor... -
Maize–Cassava Intercropping: An Effort to Increase Food and Feed Security and Incomes in Coastal Lowland Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: KK Lewa --- Kenya Agricultural and Livestock Research Organisation, Kenya WS Chivatsi --- Kenya Agricultural and Livestock Research Organisation, Kenya HM Saha --- Pwani University, Kenya RW Muinga --- Kenya Agricultural and Livestock Research Organisation, KenyaThe study was carried out at the Kenya Agricultural and Livestock Research Organisation (KALRO) Centre at Mtwapa to assess the effect of shade on the productivity of a maize–cassava intercropping system and on the contribution of the intercropping system to... -
Determinants and causes of postharvest milk losses among milk producers in Nyandarua North subcounty, Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: MM Ndungu --- Kenya Agricultural and Livestock Research Organization (KALRO) Dairy Research Centre, Kenya JK Lagat --- Egerton University, Kenya JK Langat --- Egerton University, KenyaNyandarua County has enormous milk production potential and has a large amount of milk, because of large a population of dairy cows coupled with the huge milk market demand from within and without. Despite this potential, milk postharvest losses have... -
Diet of catfish Clarias buthupogon Sauvage, 1879 (Clariidae) in two rivers in the Yoko Reserve, Tshopo Province, Democratic Republic of the Congo
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RB Mahamba --- Department of Phytotechnics, Democratic Republic of the Congo JN Ndjaki --- Department of Hydrobiology, Democratic Republic of the Congo AB Kankonda --- Department of Hydrobiology, Democratic Republic of the Congo J-C Micha --- Environmental Biology Research Unit (URBE), BelgiumThe diet of the catfish, Clarias buthupogon, was studied in two forest rivers in the Yoko Reserve, the Yoko and Biaro Rivers, from September 2008 to August 2009. Gill nets, long lines and traditional traps were used to catch the... -
Changes in decomposition rate and litterfall in riparian zones with different basal area of exotic Eucalyptus in south-eastern Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Glaucia Regina Santos --- Department of Forest Science, Brazil Marina Shinkai Gentil Otto --- Department of Forest Science, Brazil José Raimundo de Souza Passos --- Department of Biostatistics, Brazil Felipe Ferreira Onofre --- Department of Forest Science, Brazil Valdemir Antônio Rodrigues --- Department of Forest Science, Brazil Felipe Rossetti de Paula --- Department of Forest Science, Brazil Silvio Frosini de Barros Ferraz --- Department of Forest Science, BrazilExotic species in riparian environments can influence the quantity and quality of litterfall in the ecological system. The objective of this study was to evaluate the influence of Eucalyptus leaves on litterfall and terrestrial and aquatic leaf decomposition in a... -
The use of nitrogen fertilisation for suppressing Mycosphaerella in Eucalyptus dunnii
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Alexandre Techy de Almeida Garrett --- UNICENTRO, Brazil Luciano Rodrigo Lanssanova --- UNICENTRO, Brazil Mariane Bueno de Camargo --- Klabin SA, Brazil Andrea Nogueira Dias --- Department of Forest Engineering, Brazil Flávio Augusto de Oliveira Garcia --- Department of Forest Engineering, BrazilMycosphaerella leaf disease (MLD) is a pathogen of eucalypt plantations causing leaf spots and defoliation, and affecting growth. In this study, two different dosages of nitrogen fertilisation together with a control treatment currently used for two clones being affected by... -
Social cognitive drivers of farmer learning behaviour in the student-to-farmer university outreach in Uganda
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Stephen W. Kalule --- Department of Extension and Innovations Studies, College of Agricultural and Environmental Sciences, Kampala, Uganda Haroon Sseguya --- Department of Extension and Innovations Studies, College of Agricultural and Environmental Sciences, Kampala, Uganda Duncan Ongeng --- Faculty of Agriculture and Environment, Gulu, Uganda Gabriel Karubanga --- Department of Extension and Innovations Studies, College of Agricultural and Environmental Sciences, Kampala, UgandaGlobally, universities are repositioning themselves for community outreach although with difficulty in responding to the unpredictable social features of host communities. Accordingly, this study aims to assess the role of social cognitive factors in farmer learning behaviour during university outreach... -
The quest for Turkish scholarships: African students, transformation and hopefulness
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abdulkadir Osman Farah --- Department of Culture and Global Studies, Denmark Calvince Omondi Barack --- Department of Political Science and International Relations, TurkeyThe purpose of this study is to move beyond the limited research emphasis on traditional South-North scholarship accessibility. We discuss and analyze how through South-South connections and scholarship opportunities African students rationalize accessibility to scholarships in Turkey. Building on qualitative... -
“Physiologically, I am hearing, but psychologically, I am Deaf.” Identity: Lived experiences of hearing children born in families with Deafness in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nomfundo Moroe --- Speech Pathology and Audiology Department, South AfricaThe aim of this study was to explore hearing children of Deaf adult’s (CODAs) experiences of belonging and affiliation within the Deaf and hearing community. Respondents consisted of 10 CODAs between the ages 21 and 40 years of age, recruited... -
Reliability and equity of subject delivery competencies: Perspectives of pre-service teachers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Alfred Henry Makura --- Faculty of Humanities, South Africa Lukanda Kalobo --- Faculty of Humanities, South AfricaThis study examined the reliability and equity of assessors of subject delivery competences as perceived by pre-service teachers. The participants were 310 final year student teachers from a college in Zimbabwe. They responded to a survey on their perceptions of... -
Present practices of rape care management in Thuthuzela Care Centres of the North West Province
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nombulelo Veronica Sepeng --- Faculty of Health Sciences, Prinshof Campus, School of Health Care Sciences, South Africa Lufuno Makhado --- Research Office, School of Health Sciences, South AfricaWe aimed to characterise practices of rape care management centres in a South African setting. Participants were rape survivors consulted in Thuthuzela care centres of the North West Province. They indicated which acute medical management they received when reporting rape,... -
It’s politics, stupid! A political analysis of the HIV/AIDS Trust Fund in Uganda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Charles Birungi --- Institute for Global Health, University College London, United Kingdom Timothy Colbourn --- Institute for Global Health, University College London, United KingdomThe role of trust funds in the practice of and the policy discourse on the sustainable financing for health and HIV is growing. However, there is a paucity of political analyses on implementing trust fund arrangements. Drawing on a novel... -
A reflective note: AJOM Inaugural Junior Faculty Fellowship
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Juliana M. Namada --- Chandaria School of Business, Kenya Carol Brunt --- Department of Management, USA Joshua Knapp --- Department of Management, USAIn recognizing the persistent publishing challenge among African-based scholars, the African Academy of Management (AFAM) and the Africa Journal of Management (AJOM) joined forces to explore various alternatives to address the challenge. The creation of the Junior Faculty Fellowship is... -
The Role of Fiction Writers in the Development of Kiswahili
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Ernest Sangai Mohochi [cor1]This paper analyses fiction writers’ contribution to the development of Kiswahili language. The paper is anchored on the assumption that writers play a big role in the development of language. The contribution of fiction writers has not been widely investigated... -
The influence of institutional isomorphism and organisational factors on environmental management accounting practices of listed Nigerian and South African firms
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Oluwamayowa O. Iredele --- , South Africa Moloi Tankiso --- , South Africa Michael O. Adelowotan --- , South AfricaThe rising profile of environmental issues, most of which relates to continuous consumption of materials, energy and water by companies, and the continuous accumulation of environmental-related costs, necessitates the need for environmental management accounting (EMA). EMA is regarded as an... -
Fostering employee commitment through work engagement: The moderating effect of job satisfaction in a developing-country setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jeremy Mitonga-Monga --- Department of Industrial Psychology and People Management, South AfricaThis study examined the extent to which job satisfaction moderates the relationship between work engagement and perceptions of organisational commitment. The study sample comprised of 839 employees (women = 38%) from a railway organisation in the Democratic Republic of Congo... -
Chatbots — an organisation’s friend or foe?
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Emma Carter --- Stenden Hotel Management School, Charlotte Knol --- Stenden Hotel Management School,In recent years, the use of artificial intelligence has increased tremendously and the hospitality industry has not gone unaffected. Nowadays, chatbots, which simulate human conversations, are almost indispensable in the customer service branch of hospitality. Where organisations started rapidly with... -
For better or for worse: Shaping the hospitality industry through robotics and artificial intelligence
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Nadine Drexler --- Stenden Hotel Management School, The Netherlands Viyella Beckman Lapré --- Stenden Hotel Management School, The NetherlandsContemporary technological applications are widely in use in the public sector; transportation, law enforcement, armed forces, and health care industries have long adopted robotics and artificial intelligence (AI). Our daily lives have been shaped through the digital transformation and, as... -
Artificial intelligence in today’s hotel revenue management: opportunities and risks
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Thomas Millauer --- Stenden Hotel Management School, The Netherlands Matthijs Vellekoop --- Stenden Hotel Management School, The NetherlandsThe implementation of revenue management in the hospitality industry has significantly increased in the past years. It started in the rooms departments and is slowly evolving to be further used for conference and event spaces, as well as food and... -
Conceptual framework for the evaluation of sugar tax systems
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Marese Lombard --- School of Accountancy, Faculty of Economic and Management Sciences, South Africa Alta Koekemoer --- School of Accountancy, Faculty of Economic and Management Sciences, South AfricaThe World Health Organization has urged countries to implement a sin tax on items containing high levels of sugar to address the current worldwide obesity epidemic. Consequently, sugar taxes have become increasingly popular. However, many sugar tax systems are implemented... -
Mc1r genotype and plumage colouration in highly polymorphic jackal buzzards, Buteo rufofuscus
Item type: Journal Article • Journal: African Zoology • Authors: Sophia Bam --- School of Life Sciences, South Africa Lorinda Hart --- School of Life Sciences, South Africa Sandi Willows-Munro --- School of Life Sciences, South AfricaEvolution is driven by natural selection acting on variable phenotypic traits. Understanding the molecular basis of those traits is crucial for elucidating the mechanisms of natural selection. The southern African jackal buzzard (Buteo rufofuscus) displays extreme plumage colour polymorphism, with... -
A tale of two habitats: preliminary comparison of fish abundance and diversity between saltmarsh- and mangrove-dominated creeks in the Nahoon Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R Keur --- Department of Biodiversity and Conservation Biology, Faculty of Natural Science, South Africa N James --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa A Rajkaran --- Department of Biodiversity and Conservation Biology, Faculty of Natural Science, South AfricaA preliminary assessment of abundance and richness of fishes utilising saltmarsh and mangrove habitats in the Nahoon Estuary, situated on the eastern coast of South Africa, was undertaken during July 2017. The structural composition and complexity of the two habitats... -
Nutritional values and chemical composition of tropical pastures as potential sources of α-tocopherol and condensed tannin
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Jalise F Tontini --- Graduate Program in Animal Science, Agronomy College, Brazil Cesar HEC Poli --- Graduate Program in Animal Science, Agronomy College, Brazil Viviane S Hampel --- Graduate Program in Animal Science, Agronomy College, Brazil Alessandro P Minho --- Embrapa Southeast Livestock, Brazilian Agricultural Research Corporation, Ministry of Agriculture, Brazil James P Muir --- Texas AgriLife Research, USATropical pastures can be important natural sources of antioxidant compounds and may impact production and quality of animal protein with repercussions on human health. The objective of this study was to evaluate the concentrations of α-tocopherol, condensed tannin (CT) and... -
Influence of tillage, fertiliser regime and weeding frequency on germinable weed seed bank in a subhumid environment in Zimbabwe
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Nilton Mashavakure --- School of Agricultural Sciences and Technology, Zimbabwe Arnold B Mashingaidze --- School of Agricultural Sciences and Technology, Zimbabwe Robert Musundire --- School of Agricultural Sciences and Technology, Zimbabwe Edson Gandiwa --- School of Wildlife, Ecology and Conservation, Zimbabwe Christian Thierfelder --- CIMMYT – International Maize and Wheat Improvement Centre, Southern Africa Regional Office, Zimbabwe Victor K Muposhi --- School of Wildlife, Ecology and Conservation, Zimbabwe Ezekia Svotwa --- School of Agricultural Sciences and Technology, ZimbabweMinimum tillage (MT) under conservation agriculture (CA), fertiliser application and weeding frequency influence weed seed-bank dynamics in cropping systems. A study was conducted at the Chinhoyi University of Technology farm, Zimbabwe during the 2014/15 and 2015/16 cropping seasons to investigate... -
Optimising the dosage of ethyl methanesulphonate mutagenesis in selected wheat genotypes
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Boluwatife M Olaolorun --- School of Agricultural, Earth and Environmental Sciences, South Africa Hussein A Shimelis --- School of Agricultural, Earth and Environmental Sciences, South Africa Isack Mathew --- School of Agricultural, Earth and Environmental Sciences, South Africa Mark D Laing --- School of Agricultural, Earth and Environmental Sciences, South AfricaNarrow genetic variation limits the success of crop improvement programs. Mutagenesis using ethyl methane- sulphonate (EMS) provides an opportunity to increase genetic variation to enhance selection in wheat improvement. This study aimed at establishing the optimum dosage and treatment conditions... -
Roseate Terns Sterna dougallii on the southeast coast of South Africa: information on moult and migratory status
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Anthony J Tree --- Port Alfred, South Africa Maëlle Connan --- Department of Zoology, Marine Apex Predator Research Unit, Institute for Coastal and Marine Research, South Africa Philip A Whittington --- Department of Zoology, South AfricaDetermining the migratory status of seabird populations is crucial for addressing conservation concerns. The Roseate Tern Sterna dougallii is considered endangered in South Africa in view of its small breeding population and the threats to eggs and chicks. Earlier works... -
The impact of supply chain management practices on industry competitiveness: A mixed-methods study on the Zimbabwean petroleum industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Happyson Bimha --- Graduate School of Business & Leadership, South Africa Muhammad Hoque --- Graduate School of Business & Leadership, South Africa Elias Munapo --- School of Economics and Decision Sciences, South AfricaEffective supply chain management practices can enhance competitiveness along the supply chain. Fuel supply chain competitiveness requires a reliable flow of product and customer satisfaction. Competitiveness eluded the Zimbabwean petroleum industry over time and so this research looked at the... -
Transformational leadership and management safety practices: Their role in the relationship between work pressure and compliance with safety work behaviour in a health-care sector industry
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Fabian O. Ugwu --- Department of Psychology, Nigeria Adeline N. Idike --- Department of Political Science, Nigeria Okechukwu E. Ibiam --- Department of Political Science, Nigeria Francis A. Akwara --- Department of Political Science, Nigeria Cornelius O. Okorie --- Department of Political Science, NigeriaThis study examined both the direct and interactive effects on employee compliance to safety work behaviour of perceived work pressure, transformational leadership behaviour, and organisation management safety practices. Study participants were 208 nurses from public hospitals in South-eastern, Nigeria. The... -
The firm’s asset volatility, effective tax rate and leverage effect: Evidence from Taiwan
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: An-Sing Chen --- Department of Finance, Taiwan Pham Tuan Anh --- National Chung Cheng University, Taiwan and Nguyen Tat Thanh University, VietnamThis paper examines firms’ asset volatility across a broad cross-section of publicly traded Taiwanese listed nonfinancial firms and its relationship with effective tax rate and equity volatility under the capital structure framework. By analysing the leverage effect hypothesis of firms... -
Using radar technology to assess visual monitoring accuracy of Cape Vulture movements
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Frowin K Becker --- Department of Conservation Ecology and Entomology, South Africa Rhonda L Millikin --- EchoTrack Inc., Canada Alison J Leslie --- Department of Conservation Ecology and Entomology, South AfricaSouth Africa’s expanding wind energy industry is providing much needed alleviation from an ongoing energy crisis. Its development, however, does bear environmental repercussions, which most notably include its impact on birds. Collision risks, habitat loss, and barrier effects are amongst... -
Breastfeeding practices among mothers of children aged 1–24 months in Egor Local Government Area of Edo State, Nigeria
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: AO Atimati --- Department of Child Health, Nigeria VY Adam --- Department of Community Health, NigeriaObjective: The aim was to determine the breastfeeding practices of mothers of children two years and below in Egor Local Government Area (LGA) of Edo State. -
A community-based HIV counselling and testing programme found a decreasing proportion of new HIV testers in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Simukai Shamu --- Foundation for Professional Development, South Africa Thato Farirai --- Foundation for Professional Development, South Africa Jean Slabbert --- Foundation for Professional Development, South Africa Geoffrey Guloba --- Foundation for Professional Development, South Africa Nomea Masihleho --- USAID, South Africa Julius Kamera --- USAID, South Africa Nkhensani Nkwashu --- Foundation for Professional Development, South AfricaThis article assesses the history of HIV testing among community-based HIV counselling and testing (CBCT) clients between 2014 and 2018 in 13 South African districts. Consenting clients were tested for HIV and interviewed to categorise as first-time testers or repeat... -
“Left behind”: why implementing migration-aware responses to HIV for migrant farm workers is a priority for South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Thea de Gruchy --- The African Centre for Migration & Society, South Africa Jo Vearey --- The African Centre for Migration & Society, South AfricaLike many other countries, South Africa (SA) has committed to the Sustainable Development Goals that aim to “leave no-one behind”, in efforts towards universal health coverage, and meeting the UNAIDS 90–90–90 targets through the implementation of universal test and treat... -
Omogusii Omokimbizi
: A Gusii Popular Artist’s Meditation on the Post-election Violence in Kenya Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Reuben Kiyondi Ondara --- Languages, Linguistics and Literature, KenyaThe 2007–2008 post-election violence in Kenya marked a momentous period in the country’s history due to the unprecedented loss of life, displacement, destruction of property, animosity and ethnic strife, courtesy of the disputed presidential elections. The period is chronicled in... -
Megaherbivore response to droughts under different management regimes: lessons from a large African savanna
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Izak PJ Smit --- , South Africa Mike JS Peel --- , South Africa Sam M Ferreira --- , South Africa Cathy Greaver --- , South Africa Danie J Pienaar --- , South AfricaDroughts are predicted to increase in frequency and intensity for large parts of Africa. It is unclear how this may impact native grazers in protected areas, and how these outcomes may differ under contrasting management approaches. Reducing artificial water sources... -
Blockchain and catching-up in developing countries: The case of financial inclusion in Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Roberto Mavilia --- ICRIOS – Invernizzi Center for Research on Innovation, Organization, Strategy and Entrepreneurship – Bocconi University, Italy Roberta Pisani --- MEDAlics – Research Center for Mediterranean Relations, ItalyBlockchain technology, born as a tool to support Bitcoins (the most popular and controversial cryptocurrency in the world) has set itself in a very short time as a disruptive technology able not only to revolutionize existing businesses but also to... -
Critical success factors militating against competitive advantage of indigenous construction firms in developing countries
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Matthew Kwaw Somiah --- Department of Civil Engineering, South Africa Clinton Ohis Aigbavboa --- Department of construction and management and quantity surveying, South Africa Wellington Didibhuku Thwala --- Department of construction and management and quantity surveying, South AfricaThough a plethora of studies has suggested indigenous construction firms in developing countries are competitively disadvantaged and risk being marginalized in the competition posed by their foreign counterparts, little is known of studies that empirically investigate the critical success factors... -
The ‘death of innovation’ paradox, R&D and the scientific potential of crowdsourcing
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Chris William Callaghan --- Knowledge and Information Economics/Human Resources Research Agency, School of Economic and Business Sciences, South AfricaCertain scholars have highlighted decreasing returns to investment in research, or research and development (R&D), as well as a lack of growth in patent numbers, in that these do not match increased research employment over time. Certain theories that contest... -
The influence of prolonged drought and anthropogenic impact reversal on fish community structure and ecosystem state cycling of Lake St Lucia, Africa’s largest estuarine lake
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D Cyrus --- Coastal Research Unit of Zululand, South Africa Q Schutte --- Coastal Research Unit of Zululand, South Africa L Vivier --- Coastal Research Unit of Zululand, South AfricaHistorically, the St Lucia Estuarine Lake System and uMfolozi River joined via an estuarine bay before exiting to the sea. In 1952, separate mouths were created, because of sediment problems originating from the uMfolozi River. During the 2004 drought, the... -
Knysna Estuary health: ecological status, threats and options for the future
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: L Claassens --- Department of Zoology and Entomology, South Africa RSK Barnes --- Department of Zoology and Entomology, South Africa J Wasserman --- Department of Botany, DST/NRF Research Chair in Shallow Water Ecosystems, South Africa SJ Lamberth --- Fisheries Research and Development, Department of Environment, Forestry and Fisheries, South Africa NAF Miranda --- Department of Botany and Zoology, South Africa L van Niekerk --- Council for Scientific and Industrial Research, South Africa JB Adams --- Department of Botany, DST/NRF Research Chair in Shallow Water Ecosystems, South AfricaThe Knysna Estuary is South Africa's most important estuary in terms of conservation, containing an estimated 42% of all estuarine biodiversity. Despite formal protection the estuary is open access and vulnerable to resource exploitation, development, pollution and freshwater inflow alterations... -
Restoration of Lake St Lucia, the largest estuary in South Africa: historical perceptions, exploitation, management and recent policies
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NT Forbes --- Marine and Estuarine Research, Hyper-by-the-Sea, South Africa AT Forbes --- Marine and Estuarine Research, Hyper-by-the-Sea, South Africa B James --- iSimangaliso Wetland Park Authority, Dredger Harbour, South AfricaRestoration of estuarine function to the Lake St Lucia system, the largest estuary in South Africa, was initiated in 2010. Significant change began with the reversal of a mouth management policy that was adopted in 1952 and maintained for the... -
Mangrove colonisation of the Mlalazi Estuary, South Africa: a response to artificial breaching
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RH Taylor --- Hydrology Department, South AfricaThe Mlalazi Estuary has 40 ha of mangroves, but before the 1930s there were none. The purpose of this study is to understand why this change occurred, and how the understanding thus gained can provide ecological information that will help... -
Macrobenthic community structure of the Mhlathuze Estuary, a permanently open estuarine embayment in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JI Izegaegbe --- Department of Zoology, South Africa L Vivier --- Department of Zoology, South Africa HMM Mzimela --- Department of Zoology, South AfricaThe Mhlathuze Estuary, an estuarine embayment in northern Zululand, is considered an estuary of national conservation importance. No historical data on the benthic macrofauna are available for the past 20 years, creating a significant gap in our understanding of the... -
Review of fish life history strategies associated with warm temperate South African estuaries and a call for effective integrated management
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NA Strydom --- Department of Zoology, South Africa Y Kisten --- Department of Zoology, South AfricaRefuge and feeding areas for young fish in estuaries are important for the survival of fish and replenishment of coastal fish stocks, particularly in the temperate south east coast of southern Africa. Larvae and juveniles of important fishery species recruit... -
A socio-ecological systems approach towards future research for the restoration, conservation and management of southern African estuaries
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JB Adams --- DST/NRF Research Chair in Shallow Water Ecosystems, South Africa AK Whitfield --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa L Van Niekerk --- DST/NRF Research Chair in Shallow Water Ecosystems, South AfricaThis Reflections article highlights the growing pressures that southern African estuaries are experiencing in the Anthropocene, as identified by the research presented in this Special Medal Issue. Estuaries are exposed to multiple stressors, and their responses to climate change are... -
Dispositions of agency as explanatory mechanisms of employees’ satisfaction with retention practices
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Khatoon Gani --- Department of Human Resource Management, South Africa Ingrid Potgieter --- Department of Human Resource Management, South Africa Melinde Coetzee --- Department of Industrial and Organisational Psychology, South AfricaThis study explored the explanatory power of psychological dispositions of agency (i.e. employability attributes and organisational commitment) in relation to employees’ satisfaction with organisational retention practices. Participants were a convenience sample of employees from a higher education academic institution in... -
Nesting ecology and hatching success of the hawksbill turtle (2004–2014) on Cousine Island, Seychelles
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Gane --- Centre for Functional Biodiversity, School of Life Sciences, South Africa CT Downs --- Centre for Functional Biodiversity, School of Life Sciences, South Africa I Olivier --- Centre for Functional Biodiversity, School of Life Sciences, South Africa M Brown --- Centre for Functional Biodiversity, School of Life Sciences, South AfricaPopulations of the Critically Endangered hawksbill turtle Eretmochelys imbricata in the Seychelles showed significant declines in the past. They have since recovered and nesting numbers are increasing because of increased protection and management intervention. Data on their nesting ecology on... -
Response of the barrier island coastal region of southwestern Nigeria to climate and non-climate forcing
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: IB Danladi --- Department of Geological Engineering, Turkey M Gül --- Department of Geological Engineering, Turkey E Ateş --- Vocational School of Ayaş, TurkeyDespite threats emanating from the influence of climate and non-climate forcing on the barrier island coastal region of southwestern Nigeria, the extent of the coastal erosion is poorly understood. We report evidence of coastal erosion and sediment accumulation in the... -
Soil organic carbon in agricultural systems of six countries in East Africa – a literature review of status and carbon sequestration potential
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S Namirembe --- Stepup Standard Ltd., Uganda K Piikki --- Swedish University of Agricultural Sciences (SLU), Sweden R Sommer --- WWF Deutschland, Agriculture & Land Use Change, Germany M Söderström --- Swedish University of Agricultural Sciences (SLU), Sweden B Tessema --- Ethiopian Institute of Agricultural Research (EIAR), Ethiopia SS Nyawira --- International Center for Tropical Agriculture (CIAT), KenyaCropland soils are considered to have the potential to sequester atmospheric CO2 through agronomic best management practices (BMPs). To estimate this potential in East Africa, the authors reviewed 69 published studies from Ethiopia, Kenya, Rwanda, Tanzania, Uganda, and Burundi assessing... -
Hydropedology in South Africa: Advances, applications and research opportunities
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Johan van Tol --- Department of Soil, Crop and Climate Sciences, South AfricaThe need to characterise and quantify hydrological processes in order to manage scarce water resources led to significant progress in the field of hydropedology in South Africa during the past decade. The adoption of hydropedological research by industry and government... -
Management of school nutrition programmes to improve environmental justice in schools: a South African case study
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ailwei Mawela --- Department of Curriculum and Instructional Studies, College of Education, South Africa Geesje van den Berg --- Department of Curriculum and Instructional Studies, College of Education, South AfricaObjective: The objective of this study was to determine how school principals and nutrition coordinators see their roles in the management of school nutrition programmes for learners from disadvantaged communities. -
Comparing beverage consumption, physical activity and anthropometry among young adult urban- and rural-dwelling African women
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Philippe Jean-Luc Gradidge --- Centre for Exercise Science and Sports Medicine, Faculty of Health Sciences, South Africa Herculina Salome Kruger --- Centre of Excellence for Nutrition, South AfricaBeverage consumption, physical activity, body mass index and waist circumference were compared in age-matched (aged 18–30 years) groups of young South African women from urban (n = 78) and rural (n = 94) settings. Obesity was higher in the rural group, driven by a... -
Optimization of the production and storage of cold in a mechanical compression solar refrigerator
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Adingra Paul Arsène Kouassi --- Laboratoire d’Energie Solaire, Unité de Formation et de Recherche des Sciences des Structures de la Matière et Technologie, Côte d’Ivoire Siaka Touré --- Laboratoire d’Energie Solaire, Unité de Formation et de Recherche des Sciences des Structures de la Matière et Technologie, Côte d’Ivoire Wanignon Ferdinand Fassinou --- Laboratoire d’Energie Solaire, Unité de Formation et de Recherche des Sciences des Structures de la Matière et Technologie, Côte d’IvoireDesign, optimization and realization of high-performance photovoltaic systems are topical issues. Especially in photovoltaic solar refrigeration machines, the cost and the lifetime of electrochemical batteries limit the development of these systems in places well served by solar radiation. The objective... -
Genetic structure of bloodworm, Arenicola loveni (Annelida; Arenicolidae) suggests risk of local extinction in the face of overexploitation is lower than expected
Item type: Journal Article • Journal: African Zoology • Authors: CA Simon --- , South Africa J Kara --- , South Africa C Naidoo --- , South Africa CA Matthee --- , South AfricaThe bloodworm, Arenicola loveni, is commonly used as bait by fishers and may be vulnerable to local extinction owing to its K-selected life history strategies and overexploitation. Accurate population data that can inform management is, however, outdated, whereas demand for... -
Histopathology of the liver and gills of Labeo rosae (rednose Labeo) from Loskop Dam in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Jeffrey Lebepe --- , South Africa Johan Steyl --- , South Africa Wilmien J Luus-Powell --- , South AfricaThe Loskop Dam is the most polluted impoundment in the Olifants River, because it receives pollutants from the entire mine-dominated upper catchment. However, histopathology of fish inhabiting this polluted dam is scantly explored. The current study aimed to investigate the... -
The diet of spotted-necked otters foraging in trout-stocked waters in Mpumalanga, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Rowan K Jordaan --- , South Africa Michael J Somers --- , South Africa Grant Hall --- , South Africa Trevor McIntyre --- , South AfricaHuman-wildlife conflict is likely to increase as urbanisation increases. African clawless otters, Aonyx capensis, and spotted-necked otters, Hydrictis maculicollis, are illegally persecuted for their perceived role in reducing trout in artificially stocked habitats in South Africa. The diet of African... -
Revegetation of marginal saline rangelands of southern Tunisia using pastoral halophytes
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Abderrazak Tlili --- , Tunisia Emna Ghanmi --- , Tunisia Naziha Ayeb --- , Tunisia Mounir Louhaichi --- , Jordan Mohamed Neffati --- , Tunisia Mohamed Tarhouni --- , TunisiaRevegetation of marginalised rangelands using pastoral halophytes is considered an appropriate scientific and environmental approach to rehabilitation. Atriplex halimus L. (Amaranthaceae), A. mollis Desf. (Amaranthaceae), Cenchrus ciliaris L. (Poaceae) and Lotus creticus L. (Fabaceae) are promising species for arid rangeland... -
Methods of storing cactus pear genotypes for animal feeding
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Chrislanne Barreira de Macêdo Carvalho --- , Brazil Ricardo Loiola Edvan --- , Brazil Keuven dos Santos Nascimento --- , Brazil Romilda Rodrigues do Nascimento --- , Brazil Leilson Rocha Bezerra --- , Brazil Darkle Luiza de Souza Jácome --- , Brazil Viviany Lúcia Fernandes dos Santos --- , Brazil Hermógenes Almeida de Santana Júnior --- , BrazilThe objective of this study was to evaluate storage methods of cactus pear as a way of conservation for use in animal feeding. The randomised experimental design composed twelve treatments and three replications. Three cactus pear genotypes, Nopalea cochenillifera genotype... -
The value of rested sourveld in a communal grazing area in the Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Lynton J Dedekind --- , South Africa Jon McCosh --- , South Africa Terry M Everson --- , South Africa Craig D Morris --- , South Africa Dayle Trotter --- , South AfricaThe potential for forage accumulated during periodic long rests to provide valuable winter grazing for livestock in heavily stocked communal rangelands in sourveld was assessed. In a continuously-grazed commonage at Ntshiqo in the Eastern Cape, South Africa, we measured seasonal... -
The Africa we want and the Africa we see: How scholarship from Africa stands to enrich global scholarship
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Helena Barnard --- , South AfricaThis paper grew out of a keynote I delivered at the Academy of International Business Africa chapter meeting in Ghana, 2019, and was further honed in the review process. I share how emotionally challenging I sometimes find it to be... -
An unusual case of hypercholesterolaemia with liver dysfunction
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Zareena Angamia --- , South Africa Frederick J Raal --- , South AfricaAlthough rare, the presentation of the genetic disease spectrum associated with lysosomal acid lipase (LAL) deficiency, a disorder named cholesteryl ester storage disease (CESD) or the more severe form of Wolman's disease, is an important condition to recognise. LAL plays... -
Consumption of added sugars among undergraduate students at a South African university and its association with BMI
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ra’eesah Nakhooda --- , South Africa Nicola Wiles --- , South AfricaObjectives: A study was undertaken to quantify added sugar intake; to show the association between added sugar intake and body mass index (BMI); and to identify determinants of added sugar and sugar-sweetened beverage (SSB) intake. -
Enhancing the food security status of yam (Dioscorea spp.) for smallholder farmers through an improved farm-gate storage structure in Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Charles Tortoe --- , Ghana Solomon Dowuona --- , Ghana Paa Toah Akonor --- , Ghana Nanam Tay Dziedzoave --- , GhanaYams (Dioscorea spp.) are a good source of food in Ghana. This study investigated the storage of seven (7) key yam varieties in an improved farm-gate yam storage structure. Seven freshly harvested key yam varieties identified as Pona, Lariboko, Dente,... -
Determinants of actual and potential adoption of improved indigenous chicken under asymmetrical exposure conditions in rural Kenya
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Henry Muli Mwololo --- , Kenya Jonathan Makau Nzuma --- , Kenya Cecilia Nyawira Ritho --- , Kenya Sylvester Ochieng Ogutu --- , Germany Nassul Kabunga --- , UgandaWe employ the average treatment effects approach to account for asymmetrical information exposure on a sample of 744 farmers in Kisii and Nyamira counties, Kenya, to estimate the actual and potential adoption of a new chicken cross breed. The actual... -
Identifying the strength and weaknesses of the South African tech-based industries: Insights from the Swiss South African business development programme
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ramazan Uctu --- , Iraq Hassan Essop --- , South AfricaPrevious studies have considered the importance of technological development to economic growth, which lead to more research on policy interventions that would promote innovation and technological development. However, developing new technologies without a vehicle or mechanism to deliver the technologies... -
Financial slack, method of payment and acquirer performance: The case of cross-border acquisitions into Africa
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Chimwemwe Chipeta --- , South Africa Prince Nkiwane --- , South AfricaThis paper examines the influence of financial slack on the method of payment and financial performance of acquirers targeting African firms. Using panel data estimation techniques and controlling for, inter alia, firm and deal specific factors, we find no evidence... -
Psychological career resources as explanatory mechanisms of employee adaptive career concerns across the career-life period
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melinde Coetzee --- , South Africa Ashlin Govender --- , South AfricaThis study explored employee psychological resources as explanatory mechanisms of their adaptive career concerns. Participants were 315 predominantly black (39%) and female (70%) working adults (mean age = 37 years; SD = 9.77 years) employed in the South African services... -
Testing a structural model for study demands and resources, study engagement and well-being of first-year university students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Khumbudzo Luruli --- , South Africa Karina Mostert --- , South Africa Melissa Jacobs --- , South AfricaThis study investigated the relationships between study demands, study resources, engagement, and subjective well-being (including social-, emotional- and psychological well-being) for first-year university students. The students (n = 773; females = 65.7%; black = 60.7%; mean age = 20.24, SD... -
Social networking sites self-image antecedents of social networking site addiction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Joon-ho Kim --- , South Korea Seung-hye Jung --- , South Korea Jong-chang Ahn --- , South Korea Bo-seong Kim --- , South Korea Hyun-ju Choi --- , South KoreaThis study examined social network services (SNS) self-image and relationship influences on SNS addiction in a cross-national sample of adults (N = 444; South Africans = 214, Americans = 230; females = 49.3%) using survey data collected by the global... -
Luxury consumption in tourism: the case of Dubai – Part 2
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Andy Heyes --- , The Netherlands Sanjay Nadkarni --- , UAE2016 was a year of critical discussion and reflection for Nadkarni and Heyes as they considered the luxury image of Dubai in this journal. Discussions outlined the theoretical nature of luxury while also addressing the current hotel industry statistics coming... -
Patch-scale selection patterns of grazing herbivores in the central basalt plains of Kruger National Park
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Cyanne Young --- , South Africa Hervé Fritz --- , South Africa Erica AH Smithwick --- , United States of America Jan A Venter --- , South AfricaLarge herbivores form an essential component in the ecosystem, because of the impact that they have on their surrounding habitat. In this study, we aimed to evaluate some of the mechanisms behind how herbivores select forage at a patch scale... -
A comparative assessment of the contribution of two different models for clearing invasive alien plants using grazing regimes in the Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: T Morokong --- , South Africa JN Blignaut --- , South AfricaInvasive alien plants (IAPs) compromise the productive capability of a land parcel from both an economic and a biodiversity perspective. Given the magnitude of degradation and the benefits of landscape-scale restoration, a unified approach among stakeholders is required to upscale... -
Carbon stock in the community managed Sal (Shorea robusta) forests of Dadeldhura district, western Nepal
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Suresh Prashad Bhatta --- , Nepal Anjana Devkota --- , NepalFour community-managed Sal forests in Dadeldhura district of Nepal were selected for the assessment of carbon stock. The stratified random sampling method was applied to measure the field data from 105 sample plots of 100 m2. The carbon stock of... -
Citizen science in South Africa: a personal perspective
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: James A Harrison --- , South AfricaThe author recalls some of the achievements of the first Southern African Bird Atlas Project and other citizen science projects that were run by the Animal Demography Unit (then the Avian Demography Unit, ADU). The traditional motivation for such projects... -
Response of soil organic matter indices and fractions after 37 years of wheat production management practices in semi-arid South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T Motema --- , South Africa E Kotzé --- , South Africa PF Loke --- , South Africa CC du Preez --- , South AfricaThe current study evaluated the long-term response of soil organic matter (SOM) indices and fractions on wheat production management practices in the semi-arid region of South Africa. The treatments included three tillage methods (no-tillage, stubble mulch and ploughing), two residue... -
Efficacy and profitability of weed management systems for honeybush in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Rayganah Rhoda --- , South Africa Cecilia Bester --- , South Africa Mlamuli Motsa --- , Eswatini Marlise Joubert --- , South Africa Gugu Tshabalala --- , South Africa Candice-Lee Lyons --- , South AfricaWeeds reduce crop productivity through competion for nutrients, water, light and space, and impact negatively on commercial crops. Honeybush tea (Cyclopia spp.) is an industry mainly focused on the organic cultivation of tea, using mechanical weeding control methods. To date,... -
“I’m doing this test so I can benefit from PrEP”: exploring HIV testing barriers/facilitators and implementation of pre-exposure prophylaxis among South African adolescents
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Emily Yoshioka --- , USA Danielle Giovenco --- , USA Caroline Kuo --- , USA Kristen Underhill --- , USA Jackie Hoare --- , South Africa Don Operario --- , USAIn South Africa, adolescents are a key population in the HIV epidemic that can benefit from increased access to oral pre-exposure prophylaxis (PrEP). HIV testing is an integral component of the PrEP care continuum but adolescents in South Africa have... -
Abusive supervision and work engagement in the Nigerian public service sector: Do strengths use, and promotion focus matter?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Adeline N. Idike --- , Nigeria Okechukwu Ibiam Egwu --- , Nigeria Fabian O. Ugwu --- , Nigeria Cornelius O. Okorie --- , Nigeria Francis A. Akwara --- , NigeriaThis study examined experiences of abuse and work engagement behaviours of general employees in the Nigerian public service sector. Cross-lagged survey data were collected from 219 workers (female = 57.3%; age range = 24 – 59 years, mean age =... -
Exploring Basotho teenage fathers’ experiences of early fatherhood at South African rural high schools
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Robert Kananga Mukuna --- , South AfricaThis study explored the early fatherhood experiences of school-going teenage fathers. Informants were four South African Sesotho speaking teenage fathers, aged 17 to 20 years. They responded to semi-structured interviews on their experiences during schooling. Following thematic analysis, results revealed... -
Comparison of soil phosphorus fractions after 37 years of wheat production under different management practices in a semi-arid climate
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K Ncoyi --- , South Africa CC du Preez --- , South Africa E Kotzé --- , South AfricaCrop residue management is important for enhancing soil fertility and productivity which leads to an increase in crop yields. A long-term trial, situated near Bethlehem in the Eastern Free State in South Africa, was established to determine the influence of... -
Germinable weed seed-bank response to plant residue application and hand weeding under two contrasting tillage systems in a granite-derived clay loam soil in Zimbabwe
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Nilton Mashavakure --- , Zimbabwe Arnold B. Mashingaidze --- , Zimbabwe Robert Musundire --- , Zimbabwe Edson Gandiwa --- , Zimbabwe Ezekia Svotwa --- , ZimbabweHigh levels of weed infestation are among the major reasons for the limited adoption of conservation agriculture techniques by farmers in sub-Saharan Africa. This study investigated the effects of plant residue application (zero: NR, low: LR, medium: MR and high:... -
Impact of long-term production management practices on wheat grain yield and quality components under a semi-arid climate
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: MK Seepamore --- , South Africa CC du Preez --- , South Africa GM Ceronio --- , South AfricaWheat production in South Africa has declined significantly over the past three decades making the country a nett importer of wheat. Proper production management practices are needed to counter this trend. The aim of the study was therefore to determine... -
Numbers of invasive House Sparrows Passer domesticus in a rural landscape of Limpopo province, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Cavin T Shivambu --- , South Africa Ndivhuwo Shivambu --- , South Africa Takalani Nelufule --- , South Africa Moleseng C Moshobane --- , South Africa Manqoba M Zungu --- , South Africa Colleen T Downs --- , South AfricaThe House Sparrow Passer domesticus is recognised as one of the commonest avian invasive species globally, with its occurrence associated with human existence. However, relatively little on population sizes of this species in rural landscapes has been documented. The study... -
Observations of Southern Ground-Hornbill Bucorvus leadbeateri groups in the Kafue National Park, Zambia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Jonah Gula --- , United States Chaona G Phiri --- , United KingdomZambia represents a core part of the Southern Ground-Hornbill’s Bucorvus leadbeateri distribution, yet empirical information on the country’s population is scant. From February to September 2017, ground-hornbill sightings were recorded in Kafue National Park in western Zambia to describe population... -
A systems-based R&D management model for the road and transport engineering sector applied to a community access roads and transport research programme
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Frederik Christoffel Rust --- , South Africa Leslie Roy Sampson --- , South AfricaA conceptual non-linear, systems-based R&D management model for the road and transport sector was developed to address the associated complexities of transport and road research. It takes account of all the elements of the innovation value chain as well as... -
Shelf-life characteristics of Bambara groundnut (Vigna subterranea (L.)Verdc) probiotic beverage
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yvonne Yeukai Murevanhema --- , South Africa Victoria Adaora Jideani --- , South AfricaTwo Bambara groundnut probiotic beverages (BGNPB), fermented with (1) Lactobacillus bulgaricus and (2) Lactobacillus bulgaricus and Lactobacillus plantarum were assessed for their shelf-life characteristics. During the shelf-life study, sampling of the BGNPB was done at two-days interval for 28 days... -
Perceptual systems of the self-management of students living with diabetes mellitus: an IQA approach
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: JKD Jacobs --- , South Africa WD Basson [cor1] MJ Basson --- , South AfricaIntroduction: Diabetes mellitus (DM) is a chronic metabolic disease defined by elevated blood glucose levels over a long period of time. One in 10 people are living with DM. -
High genetic diversity and limited spatial structure in an endangered, endemic South African sparid, the red steenbras Petrus rupestris
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: G Gouws --- , South Africa SE Kerwath --- , South Africa WM Potts --- , South Africa NC James --- , South Africa NG Vine --- , South Africa PD Cowley --- , South AfricaThe red steenbras Petrus rupestris is endemic to South Africa, occurring from False Bay in the Western Cape Province to St Lucia in the province of KwaZulu-Natal. This species, the largest member of the family Sparidae, has undergone a substantial... -
Are South African linefishes recovering and what makes them prone to overexploitation?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Haupt --- , South Africa H Winker --- , South Africa D Parker --- , South Africa SE Kerwath --- , South AfricaManaging coastal fisheries is challenging as the status of many fish stocks caught in these fisheries remains unknown. In the South African linefishery, regular comprehensive assessments of the status of most linefish stocks are unattainable owing to a scarcity of... -
Editorial overview: recommendations for the promotion of a resilient linefishery in the Anthropocene
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WM Potts --- , South Africa CG Attwood --- , South Africa PD Cowley --- , South Africa A-R Childs --- , South Africa AC Winkler --- , South Africa MI Duncan --- , South Africa TS Murray --- , South Africa BQ Mann --- , South Africa JB Mann-Lang --- , South Africa‘Linefish’ is a uniquely South African term used to describe marine fishes that are captured using hook and line. The South African linefishery is a complex socio-ecological system that has a considerable impact on the coastal marine environment while generating... -
Consequences of consumer engagement on the performance of e-commerce firms in Ghana: Moderating effects of consumer-owned resources
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Isaac Owusu Asante --- , China Jiaming Fang --- , China Dennis Fiifi Darko --- , ChinaWe examined the financial consequences of consumer engagement on firms’ performance and how consumer-owned resources moderate the relationship. We collected data on consumer engagement attitudes, consumer-owned resources, and firms’ performance from customers and management of the top online shopping firms... -
Experiential branded app engagement and brand loyalty: An empirical study in the context of a festival
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xi Li --- , China Xinwei Su --- , China YingChuan Wang --- , ChinaThis study investigated the mediating role of emotional responses and app engagement on the relationship between the perception of app features and brand loyalty. Participants were 417 Macao light festivalgoers (female = 53.2%; age range = 31–40 years old). Using... -
Job demands, job resources, and work engagement among South African nurses
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mercia Gerida Patience --- , South Africa Roslyn De Braine --- , South Africa Nelesh Dhanpat --- , South AfricaThe study investigated whether job demands and job resources predict work engagement of public and private sector nurses. The sample comprised of 420 South African nurses (females = 88.8%; employed in the private sector = 61.8%; mean age = 38 years, SD = 9.50 years). They completed surveys... -
Do board-level controls matter? – An agency perspective on socially responsible investment (SRI) company boards in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Blanche Steyn --- , South Africa Farai Kwenda --- , South Africa Lesley Stainbank --- , South AfricaIf board-level controls matter, the introduction of the 2008 Companies Act with its enhanced legislative requirements, should have a positive impact on firm performance. To assess board-level controls this study developed two unique control indexes to assess the boards of... -
HIV serostatus, inflammatory biomarkers and the frailty phenotype among older people in rural KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Anita Edwards --- , South Africa Mark J Siedner --- , South Africa Stephen Nash --- , UK Melissa Neuman --- , UK Sivapragashini Danaviah --- , South Africa Theresa Smit --- , South Africa Dickman Gareta --- , South Africa Paul Kowal --- , Switzerland Janet Seeley --- , South AfricaObjective: We compared the prevalence of frailty by HIV serostatus and related biomarkers to the modified frailty phenotype among older individuals in a rural population in South Africa. -
A framework for online investment decisions
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Andrew B. Paskaramoorthy --- , South Africa Tim J. Gebbie --- , South Africa Terence L. van Zyl --- , South AfricaThe artificial segmentation of the investment management process into silos of human operators can restrict silos from collectively and adaptively pursuing a unified investment goal. In this article, we argue that the investment process can be accelerated and be made... -
Risk-based portfolio sensitivity to covariance estimation
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Hannes du Plessis --- , Paul van Rensburg --- ,Risk-based portfolio construction methods focus on optimally extracting information from the covariance matrix of asset returns, as opposed to utilising forecasts of expected returns, in determining the portfolio allocation. This improves their robustness to estimation error in means, but this... -
Effect of once-off tillage on soil water, inorganic nitrogen and glomalin contents under conservation agriculture in the Swartland sub-region of the Western Cape
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Johan Labuschagne --- , South Africa Johan van Zyl --- , South Africa Gert A Agenbag --- , South Africa Izane R Crous --- , South Africa Josias E Hoffman --- , South AfricaStrategic tillage can be regarded as an important management option under conservation agriculture (CA). The effects of tillage practice and cropping sequence on volumetric water (mm mm-1), inorganic N (mg kg-1) and glomalin (mg g-1) content in the 0-300 mm... -
Interesting new facts on Heterodera schachtii (Nematoda: Heteroderidae) from South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Antoinette Swart --- , South Africa Rinus Knoetze --- , South AfricaIn January 2017 Heterodera schachtii Schmidt, 1871 was collected from a potato field, formerly planted to cabbage, in the Tarlton area of South Africa. As H. schachtii from South Africa has never been studied molecularly, this short communication is the... -
The construction of “normative Zimbabweanness” through demonisation of rage, anger and emotion in select press coverage of the #ZimShutDown protests
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Kudzaiishe P. Vanyoro --- , South AfricaHashtagged #ZimShutDown on Twitter, protests erupted in Zimbabwe in January 2019 in response to a widespread national economic crisis and a drastic fuel price hike. This paper shows how the protesters’ use of citizen rage, anger and emotion was criminalised,... -
Diving into the Slave Wreck: The São José Paquete d’Africa and Yvette Christiansë’s Imprendehora
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Charne Lavery --- , South AfricaThe first slave wreck to be definitively identified is the São José-Paquete de Africa, a slave ship from Mozambique Island wrecked off the coast of Cape Town. This paper takes that wreck as case study and context for the southern... -
Crises containment management in South African schools: A critical review
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Monique de Klerk --- , South Africa Werner de Klerk --- , South AfricaVarious accidents and incidents occur daily in schools, which can have a lifelong impact on both school learners and their family’s life. These events at schools might lead to physical and psychological symptoms which would affect school learner and educator... -
A business case argument for corporate social responsibility disclosure in Nigeria
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Inalegwu Ode-Ichakpa --- , UK Emmanuel Cleeve --- , UK Chibuzo Amadi --- , UK Godswill Osemeke --- , UKFrom the theoretical perspectives of stakeholder, agency and slack resources, and using fixed effects and random effects models, this study investigates the relationship between corporate social responsibility (CSR) and financial performance. The study adopts fixed and random effects panel estimates... -
Raising the bar? Top management teams, gender diversity, and environmental sustainability
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Edward M. Mungai --- , Kenya S. Wagura Ndiritu --- , Kenya Tazeeb Rajwani --- , UKThis study examines how female board directors and top managers may influence an organization’s decision to adopt ISO 14001. Upper Echelon Theory (UET) argues that an organization’s outcomes are based on the decisions made by its directors and managers, who... -
Supply chain management and organizational performance: Evidence from SMEs in South Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Welby V. Loury Okoumba --- , South Africa Chengedzai Mafini --- , South Africa Joyendu Bhadury --- , USAThe salutary impact of adopting supply chain management best practices (SCMBPs) on organizations is well documented. However, similar studies on small and medium enterprises (SMEs), especially in underdeveloped/developing economies are relatively scant in the extant literature. This is despite the... -
Social capital and performance of SMEs: The role of entrepreneurial orientation and managerial capability
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Suzzie Owiredua Aidoo --- , Ghana Ahmed Agyapong --- , Ghana Henry Kofi Mensah --- , GhanaThis study proposes and investigates the argument that social capital–performance link is mediated by entrepreneurial orientation (EO) and that this mediated relationship is dependent upon the level of managerial capability (MC) present in a firm. The study uses a sample... -
Harnessing the potential of Precision Pest Management in plantation forests
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Bernard Slippers --- , South Africa Brett P Hurley --- , South Africa Jeremy Allison --- , South AfricaThere are numerous new and emerging technologies that allow for greater precision in forest pest management, from sequencing and chemical analyses to data collection through smart technologies, and integration, analysis and sharing of data across fields. These technologies allow for... -
Pheromones as management tools for non-Scolytinae Curculionidae: development and implementation considerations
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Luki-Marie Scheepers --- , South Africa Jeremy D Allison --- , Canada Marc C Bouwer --- , South Africa Egmont R Rohwer --- , South Africa Bernard Slippers --- , South AfricaFor the large family Curculionidae, the number of species considered pests is expected to increase due to global movement of plant and soil material, as well as climate change. Pheromones are increasingly popular for use in pest management programmes, either... -
Age estimates of chokka squid Loligo reynaudii off South Africa and their use to test the effectiveness of a closed season for conserving this resource
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MR Lipiński --- , South Africa CH Mwanangombe --- , South Africa D Durholtz --- , South Africa D Yemane --- , South Africa J Githaiga-Mwicigi --- , South Africa WHH Sauer --- , South AfricaThis study presents age distributions in an exploited population of spawning chokka squid Loligo reynaudii together with their back-calculated spawning times, and considers the results in relation to the exploitation of this species. Samples were collected during two closed fishing... -
The impact of internal communication on customers’ perception of revenue strategies
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Marit de Vries --- , the Netherlands Bill Rowson --- , the Netherlands Xandra Vasse --- , the NetherlandsThis article focuses on communication, specifically internal communication, which is often underestimated when changes to management strategy affect both employees and customer perception. The article focuses on the front-office team in a hotel that is carrying out a new revenue... -
Barriers to the success of female leaders in the hospitality industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Martina Deiana --- , the Netherlands Chiara Fabbri --- , the NetherlandsThis research analyses gender equality in the hospitality industry in the United Kingdom and Ireland. In particular, this quantitative study focuses on women who could potentially occupy a senior management position, and therefore the aim of this research is to... -
Lobbyscape: A framework about the effect of hotel lobbies’ atmospheric elements on customer satisfaction
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Minoas Pytharoulakis --- , Greece Georgia Zouni --- , GreeceThis article aims to present a new conceptual model about the “lobbyscape” (i.e. the “servicescape” of hotel lobbies or foyers). A review of the existing literature, along with the authors’ expertise, provided four dimensions and 25 atmospheric elements for the... -
Trends in family and individual genotype variance components and broad-sense heritability among unselected South African sugarcane breeding populations
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Ntombokulunga W Mbuma --- , South Africa Marvellous M Zhou --- , South Africa Rouxlene van der Merwe --- , South AfricaFamily evaluation has been adopted to improve selection in the early stages of sugarcane breeding. However, little knowledge is available for comparing families to genotypes among diverse sugarcane populations. The objectives were to determine and compare trends between family and... -
Assessing the utility of airborne laser scanning derived indicators for tropical forest management
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Vitor Antunes Martins da Costa --- , Brazil Adeliton da Fonseca de Oliveira --- , Brazil Jhonathan Gomes dos Santos --- , Brazil Alex Augusto Abreu Bovo --- , Brazil Danilo Roberti Alves de Almeida --- , Brazil Eric Bastos Gorgens --- , BrazilThe objective of this study was to evaluate four airborne laser scanning derived indicators for monitoring tropical forest stands at different stages of sustainable management practices. The traditional monitoring routines are inefficient and time consuming due to the limitation of... -
Development and testing of volume models for Pinus nigra Arn., Fagus sylvatica L., and Quercus pubescens Willd.
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Dimitrios I Raptis --- , Greece Vassiliki Kazana --- , Greece Angelos Kazaklis --- , Greece Christos Stamatiou --- , GreeceVolume models were developed and tested for Pinus nigra Arn., Fagus sylvatica L., and Quercus pubescens Willd. to accurately predict the woody stem volume at tree level, since despite the economic importance of these species in the Mediterranean type of... -
Project planning and control analysis for suburban photovoltaic alternative electric power supply in Southwestern Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ibikunle Olalekan Ogundari --- , Nigeria Funso Ayotunde Otuyemi --- , UKAlternative photovoltaic (PV) electric power systems are designed for suburban residential complexes in Nigeria’s Southwestern region as succour to erratic grid power supply. The initial project in suburban Ibadan, Oyo State was analyzed as model for other stakeholders in the... -
Impact of the 2008 wage review on the public-private sector wage-gap in Cameroon
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ebenezer Lemven Wirba --- , Cameroon Fiennasah Annif’ Akem --- , Cameroon Francis Menjo Baye --- , CameroonThis paper examines the impact of the 2008 wage review on the public-private sector wage-gap in Cameroon. Specifically, the paper evaluates the determinants of participating in the labour market and choosing formal sector employment; assesses the correlates of wages in... -
Environmental health risks associated with indiscriminate dumping in Lekwa Local Municipality
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Isaiah Dladla --- , South Africa Machete Machete --- , South Africa Karabo Shale --- , South AfricaThis paper presents the environmental health risks associated with indiscriminate dumping of solid waste in Lekwa Local Municipality. Structured observations were used to collect data from the identified waste dumping spots. The primary data collected involved the characterization of waste... -
Evaluation of temperature effects on grade 20 concrete using response surface methodology
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Richie I. Umasabor --- , NigeriaThis paper examined the evaluation of temperature effects on grade 20 concrete using response surface methodology. An experimental research design was adopted, which produced fifty-one (51) concrete specimens. The specimens were cured and tested at 7, 18, and 28 days,... -
The impact of a face-to-face peer-support intervention on adults with type 2 diabetes: a cluster-randomised trial
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Melanie Pienaar --- , South Africa Marianne Reid --- , South Africa Mariette Nel --- , South Africa -
Size at maturity, maturity stages and sex ratio of tigerfish Hydrocynus vittatus Castelnau, 1861 in Lake Kariba, Zimbabwe: assessing the influence of decades of fisheries exploitation
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Terence Magqina --- , Zimbabwe Tatenda Dalu --- , South Africa Lindah Mhlanga --- , Zimbabwe Tamuka Nhiwatiwa --- , ZimbabweSize at maturity, sex ratio and maturity stages are key population parameters in fisheries management of exploited stocks because they influence survival of fish populations. The decline in Hydrocynus vittatus catches during the tigerfish competition and along the shoreline of... -
Interannual variation in metal concentrations in surface waters of the Marico River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Pienaar --- , South Africa V Wepener --- , South Africa CT Wolmarans --- , South AfricaThis study was conducted to establish the interannual variation in the concentration of metals regarded as toxic to aquatic fauna in the Marico River of South Africa. Five surveys were conducted between 2013 and 2015 at six sites in the... -
Status update of the endemic and critically endangered cave catfish Clarias cavernicola Trewavas 1936, from the Aigamas Cave system, Namibia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: FJ Jacobs --- , Namibia PG Jacobs --- , CJ Hay --- , Namibia TF Naesje --- , NorwayKnowledge of population sizes of threatened fish species is essential for formulation and implementation of effective conservation and management policies. Visual counts (VC) from two SCUBA diving expeditions during February and May 2019 were used to estimate the population size... -
Community diversity, functional traits and adaptation of Stipa tenacissima L. under different grazing regimes in a North African arid montane rangeland
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Jamila Msadek --- , Tunisia Abderrazak Tlili --- , Tunisia Marwa Moumni --- , Tunisia Mounir Louhaichi --- , Tunisia Mohamed Tarhouni --- , TunisiaThe mountain rangeland chain of Matmata (southern Tunisia) is characterised by an arid Mediterranean climate with severe droughts and high temperatures, combined with substantial human disturbance. In order to withstand these harsh conditions, plants have developed adaptive strategies and functional... -
Electronic waste management in Addis Ababa: The case of Bole and Nefas Silk Lafto sub-cities
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abenezer Wakuma Kitila --- , Ethiopia Solomon Mulugeta Woldemikael --- , EthiopiaE-waste is a world-wide, interregional, and domestic problem. E-waste management is a challenging task not only due to its speedily increasing volume but more importantly because of its hazardous nature. This study examined the e-waste management and disposal methods in... -
Demography of remarriage and fertility desire among women receiving antiretroviral therapy in South West Nigeria
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Joshua O Akinyemi --- , Nigeria Rotimi F Afolabi --- , Nigeria Olutosin A Awolude --- , Nigeria E Afolabi Bamgboye --- , NigeriaBackground: In view of sociocultural norms surrounding marriage and childbearing in South West Nigeria, fertility desire may be stronger among remarried women living with HIV. This article describes the characteristics of remarriage and its relationship to fertility desire. -
If the equal weighted portfolio is so great, why isn’t it working in South Africa?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Byran H Taljaard --- , South Africa Eben Maré --- , South AfricaThis paper considers the recent underperformance of the equal weighted portfolio of South African Top 40 stocks relative to the market capitalisation weighted portfolio. It highlights the impact of the increased concentration of market capitalisation weights in the Top 40,... -
Business management education in the African context of (post-)Covid-19: Applying a proximity framework
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Sherwat E. Ibrahim --- , Egypt Alan F. Fowler --- , South Africa Moses N. Kiggundu --- , CanadaWhat happens when Covid-19 meets Africa? To find answers, this article examines tertiary management education delivered by the continent’s business schools in the context of Africa’s susceptibilities to the pandemic. The concept of proximity is applied as an axiomatic analytic... -
INTRODUCTION TO THE SPECIAL ISSUE: Preliminary investigations into the COVID-19 pandemic and management in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Moses Acquaah --- , USA Rebecca Namatovu --- , Denmark Moses N. Kiggundu --- , CanadaThe COVID-19 pandemic and the resulting lockdowns and restrictions taken by African governments to mitigate the spread of the virus have adversely affected the lives of people, health systems, organizations, society, and national economies. In this special issue, we take... -
The service semiotics of luxury events: An exploration for future research and events management industry practice
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Charles Bladen --- , UKThis article discusses the implications of the role of semiotics in the design and delivery of luxury event-attendees’ experience. Within the contemporary industry and sector, the place of semiotics within the field of design will be established and its importance... -
Changes in pre- and post-pandemic pricing decision factors: An overview of South Africa’s luxury accommodation sector
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Ewaldt Janssen [cor1]Large-scale events such as a worldwide pandemic impact multiple areas of the hospitality business, including the factors that influence luxury pricing. As pricing cannot be done in isolation, changes in trading environments need to be identified and pricing approaches adjusted... -
A reflection on the story, current positioning, offerings and the darker side of the luxury gastronomy book, the Michelin Guide
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Nguyen Vinh Hoa --- , France Isaure May --- , FranceThis article gives some personal reflections on the luxury status of the most famous gastronomic bible — The Michelin Guide. The question being addressed — Is the Guide still considered a luxurious commodity? By using secondary data, the findings show... -
Sturdiness and scuffle in deploying educational technologies for teaching and learning in a low-technology context: Students’ experience in a developing society
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Moses Kumi Asamoah --- , GhanaThis paper explores the experience of a sample of thirty post-graduate students of University of Ghana, Legon regarding the use of Sakai Learning Management System (LMS) in enhancing students’ interactions with instructors, peers, course contents and in enabling flexible and... -
Technico-economic comparison of heat transfer fluids or thermal energy storage materials: A case study using Jatropha curcas oil
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kokouvi Edem N’Tsoukpoe --- , Burkina Faso Nolwenn Le Pierrès --- , France Yao Manu Seshie --- , Burkina Faso Yézouma Coulibaly --- , Burkina FasoThermal oils are omnipresent in processes using heat at high temperature as heat transfer fluids (HTFs) as well as thermal storage materials (TESMs), particularly in concentrating solar plants. In this study, a methodology for technico-economic comparison of HTF and TESM... -
Stock separation of the shallow-water hake Merluccius capensis in the Benguela ecosystem using otolith shape analysis
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ENG Shoopala --- , Namibia MR Wilhelm --- , Namibia SC Paulus --- , NamibiaThe fishing industry is an important economic sector in Namibia and South Africa, with the shallow-water hake Merluccius capensis being an important target species. Recent genetic studies of M. capensis found two stocks in the Benguela Current Large Marine Ecosystem,... -
Evaluating Kenya’s coastal gillnet fishery: trade-offs in recommended mesh-size regulations
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Osuka --- , Kenya JA Kawaka --- , Kenya MA Samoilys --- , KenyaGillnets are a widely used fishing gear in Kenya’s artisanal fisheries, yet their mesh sizes are inadequately monitored or regulated. This study evaluated the impacts of gillnets of seven stretched-mesh sizes, through comparative analysis of species-related metrics and catch per... -
Cross-shelf movement of Chrysaora fulgida (Scyphozoa; Discomedusae) off Namibia inferred from stable isotopes (δ15N and δ13C)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: H Skrypzeck --- , South Africa CD van der Lingen --- , South Africa MJ Gibbons --- , South AfricaLarge and small specimens of two species of metagenic Scyphozoa (true jellyfishes) can be found in nearshore waters off central Namibia throughout the year. Whereas populations of Chrysaora africana are largely restricted to inshore waters, C. fulgida occurs across the... -
Large-scale movements and site fidelity of two bull sharks Carcharhinus leucas estimated from a double-tagging experiment at Réunion Island (southwest Indian Ocean)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Soria --- , France Y Tremblay --- , France A Blaison --- , France F Forget --- , France E Crochelet --- , Réunion L Dagorn --- , FranceSince 2011, the mean number of bites per year by bull sharks Carcharhinus leucas has increased markedly at Réunion Island. To predict areas and periods of increased risk, we need to better understand the space-use dynamics of individual sharks. In... -
Disappearing boundaries? Reality, virtuality and the possibility of “pure” mixed reality (MR)
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Daniel O’Shiel --- , ChileThis article argues that reality and virtuality are still very much phenomenologically distinguishable, although this might not be the case forever. I argue for two main types of virtuality – one inherently involved in the dynamic horizons of perceptual experiences,... -
Virtuality and subjective realities: A freedom-based ergon for the modern African parent
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Thando Nkohla-Ramunenyiwa --- , South AfricaSchmidt introduces the Aristotelian term “koinonia” as denoting a political community which aims to achieve a common good for society as a whole. A good that promotes the flourishing of every party involved. In addition, Schmidt adopts further insight about... -
Supervisor support and work engagement: The mediating role of psychological safety in a post-restructuring business organisation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marita M. Heyns --- , South Africa Sean McCallaghan --- , South Africa OW Senne --- , South AfricaThe present study aimed to examine employee perceptions of supervisor support, psychological safety, and work engagement in a restructuring mining organisation. Participants were 253 employees of a South African mining organisation (male = 65%; African = 57%; skilled supervisory technicians... -
Adapting a diabetes nutrition education programme for adults with type 2 diabetes from a primary to tertiary healthcare setting
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Jane W Muchiri --- , South Africa Gerda J Gericke --- , South Africa Paul Rheeder --- , South Africa -
The impact of existing diabetes self-management education interventions on knowledge, attitudes and practices in public health care institutions in Harare, Zimbabwe
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Sanele Nkomani --- , South Africa Simbarashe Ruskaniko --- , Zimbabwe Renée Blaauw --- , South Africa -
Analysis of main factors affecting silage fermentation of sorghum prepared with whole crop and stover in semiarid West Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Yimin Cai --- , Japan Zhumei Du --- , China Delma B Jethro --- , Burkina Faso Man Nignan --- , Burkina Faso Seishi Yamasaki --- , JapanSorghum (Sorghum bicolor L.) is widely cultivated in semiarid West Africa as a combined crop for human consumption and animal feed. In order to address the shortage of ruminant feed in Burkina Faso, we studied the potential of preparing silage... -
Effect of encroaching woody plant species on soil nutrients and selected soil chemical properties in communally managed semiarid savanna grazing lands in the North West province, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Pieter W Malan --- , South Africa Makuété A P Tiawoun --- , South Africa Khumoetsile S Molatlhegi --- , South Africa Simeon A Materechera --- , South AfricaWoody plant encroachment is recognised as one of the major threats to biodiversity in ecosystems. In many arid and semiarid areas of South Africa, indigenous encroacher species are proliferating, but the factors that favor their abundance are poorly understood. This... -
Vitamin D [25(OH)D] and 1,25(OH)2D serum concentrations in patients tested at the Charlotte Maxeke Johannesburg Academic Hospital
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: S Botha --- , South Africa MR Maphayi --- , South Africa N Cassim --- , South Africa JA George --- , South Africa -
Using social practice approaches for strategic management research in Africa: an example, design considerations and potential contributions
Item type: Journal Article • Journal: Africa Journal of Management • Authors: William Phanuel Kofi Darbi --- , Ghana Stanley Coffie --- , GhanaAfrican management theories and practices have received scant scholarly attention in organization and management literature. The recognition for vast opportunities for developing, adapting and extending management concepts, theories and practices in situ has become topical. Scholars have responded thus far,... -
Values gaps affecting human resources management relations between expats and locals: The case of a Chinese manufacturer in South Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Yanyin Zi --- , Japan Arthur Linke --- , South AfricaChinese companies have continued to increase foreign direct investment (FDI) and engagement within Africa, perceived as a last global frontier market, particularly in light of China’s Belt and Road initiative. The literature highlights a number of human resources management (HRM)... -
The use of sustainable agricultural methods amongst smallholder farmers in the Eastern Cape province, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: David Bese --- , South Africa Elliot Zwane --- , South Africa Priviledge Cheteni --- , South AfricaThere is increasing concern over the role that modern agricultural methods play in the degradation and destruction of natural resources such as water, soil, forests, and microorganisms, and the wider environment. Modern agricultural production methods, though they are effective at... -
Validating elements of competitive intelligence for competitive advantage of construction firms in Ghana: A Delphi study
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Matthew Kwaw Somiah --- , South Africa Clinton Ohis Aigbavboa --- , South Africa Wellington Didibhuku Thwala --- , South AfricaThe aim of this study was to ascertain whether the elements of competitive intelligence (CI) found in other countries that impact competitive advantage are relevant to the Ghanaian construction industry (GCI). This Delphi study revealed 11 CI elements that impact... -
Statistical arbitrage on the JSE based on partial co-integration
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: A. J. Hoffman --- , South AfricaEarly forms of statistical arbitrage exploited the mean reversion of a model error extracted from pairs of instruments with a tendency to move together. Pairs trading was extended by Engle and Granger and by Johansen to include several co-integrated instruments... -
The impact of orphanage tourism on Bali
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Rodney Westerlaken --- , the NetherlandsThis article deals with the phenomenon of orphanage tourism in Bali, Indonesia. Context is given based on a recent published report by the Dutch government on the impact of orphanage tourism. Findings are derived from larger-scale qualitative research based on... -
Moving to design-based education in hotel management school: proof of success and beyond — a research journey
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Hanneke Assen --- , the Netherlands Marte Rinck de Boer --- , the Netherlands Macmillion B Fernandes --- , the NetherlandsNHL Stenden University of Applied Sciences adopted the innovative educational concept design-based education (DBE) in 2018. The Hotel Management School is one of the programmes that introduced a DBE curriculum. It is important to explore to what extent DBE is... -
How do employees really feel about team building? An exploratory netnographic investigation
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Ran Zhang --- , the Netherlands Erwin Losekoot --- , the NetherlandsThis study explored employees’ attitudes towards team-building events. Anonymous qualitative data were obtained using netnography and analysed through an interpretive content analysis approach. The data analysis yielded sixteen codes and five main themes, on the basis of which employees’ attitudes... -
Crisis management: The response of a small Dutch hospitality company during the COVID-19 pandemic
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Nanda van Leeuwen Boomkamp --- , The Netherlands Nicole Vermolen --- , The NetherlandsThe purpose of this study was to explore how a small Dutch hospitality company responded to the COVID-19 pandemic and hence create an understanding of how hospitality businesses can potentially use this knowledge when facing similar crises in the future... -
Are there long-term temporal trends of size composition and the length– weight relationship? Results for chokka squid Loligo reynaudii during the peak spawning season off the south coast of South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MR Lipiński --- , South Africa MA Mmethi --- , South Africa D Yemane --- , South Africa J Githaiga-Mwicigi --- , South Africa WHH Sauer --- , South AfricaTemporal trends in the size composition (length frequency) and length–weight (L–W) relationship of chokka squid Loligo reynaudii on the south coast of South Africa were assessed over periods spanning 22 years: length frequencies from 1996 to 2017 (with 15 years... -
Effectiveness of the Sista2Sista programme in improving HIV and other sexual and reproductive health outcomes among vulnerable adolescent girls and young women in Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Gemma Oberth --- , South Africa Tamisayi Chinhengo --- , South Africa Tendayi Katsande --- , Zimbabwe Rudo Mhonde --- , Zimbabwe Dagmar Hanisch --- , Zimbabwe Pennelope Kasere --- , Zimbabwe Beverley Chihumela --- , Zimbabwe Bernard Madzima --- , ZimbabweBackground: In Zimbabwe, adolescent girls and young women (AGYW) experience high rates of HIV and other sexual and reproductive health challenges. In 2013, the Zimbabwe Ministry of Health and Child Care partnered with the United Nations Population Fund to implement... -
Integration of family planning services into HIV services in Nigeria: Evidence from the Performance Monitoring and Accountability 2020 survey in seven states
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Babayemi O Olakunde --- , Nigeria Daniel A Adeyinka --- , Nigeria Funmilola M OlaOlorun --- , Nigeria Tolulope T Oladele --- , Nigeria Hidayat Yahaya --- , Nigeria Chinwendu D Ndukwe --- , NigeriaDespite global calls for stronger linkages between family planning and HIV, a growing body of evidence in sub-Saharan Africa suggests that the integration of family planning and HIV service delivery is suboptimal in some countries. In this study, we assess... -
Analysis of farmers’ food price volatility and Nigeria’s growth enhancement support scheme
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Joseph I. Uduji --- , Nigeria Elda Nduka Okolo-Obasi --- , Nigeria Simplice Anutechia Asongu --- , CameroonFood prices in Nigeria have become significantly higher and more volatile since 2012. The purpose of this research was to find out what affects farmers’ participation in the growth enhancement support scheme (GESS) in the country. We determined the effect... -
Reflecting and Reflexing on Book Awards: A Case Study of the Burt Award
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Mpale Yvonne Mwansasu Silkiluwasha --- , Republic of TanzaniaThis paper studies the Burt Award, as a representation of Book awards, for the purpose of analysing complexities surrounding literary prizes as pointed by various scholars. Taking into consideration James English’s observation that prizes demonstrate how modes of capital are... -
Potentials of leys or pasture-based forage production in Nigeria
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Saheed Olaide Jimoh --- , China Yunusa Muhammad Ishiaku --- , Nigeria Tracy Burnett --- , United States Ahmed Adeyemi Amisu --- , Nigeria Rasheed Adekunle Adebayo --- , South AfricaFulani pastoralists are widely distributed across the six geographical zones of Nigeria and migrate from north to south in search of natural grazing lands at times of forage scarcity. This migration leads annually to resource use conflict and deadly attacks... -
Topo-edaphic environment and forestry plantation disturbance affect the distribution of grassland forage and non-forage resources, Maputaland, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AP Starke --- , South Africa TG O’Connor --- , South Africa CS Everson --- , South AfricaGrasslands are integral to rural livelihoods in southern Africa, because they provide hydrological regulation services and a variety of plant resources, including livestock fodder, medicines, and food products. To ensure ongoing provision of these resources in rapidly developing rural landscapes,... -
Long-term wheat production management effects on soil fertility indicators in the semi-arid eastern Free State, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Palo Francis Loke --- , South Africa Johannes Jacobus Schimper --- , South Africa Elmarie Kotzé --- , South Africa Christiaan Cornelius du Preez --- , South AfricaThis study evaluated temporal effects of wheat production management practices on soil fertility under semi-arid conditions. Treatments applied for 37 years included straw management (unburned and burned), tillage practices (no-tillage, stubble mulch, and mouldboard ploughing) and weed control methods (chemical... -
Colletotrichum gloeosporioides s.l. causes an outbreak of anthracnose of cacao in Ghana
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: EK Asare --- , Ghana O Domfeh --- , Ghana SW Avicor --- , Ghana P Pobee --- , Ghana Y Bukari --- , Ghana I Amoako-Attah --- , GhanaOutbreak of anthracnose of cacao (Theobroma cacao L.), covering an estimated total growing area of 248.47 hectares, occurred in parts of Ghana from July to October 2019. Disease samples were collected from the outbreak areas to isolate and identify the... -
Social capital and project management success in a developing country environment: Mediating role of knowledge management
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Kwasi Amoako-Gyampah --- , USA Moses Acquaah --- , USA Ebenezer Adaku --- , Ghana Samuel Famiyeh --- , GhanaDespite significant investments in projects by organizations, governments, and international development agencies in developing countries, many of the projects have failed and continue to fail due to budget overruns, inability to complete projects on time, and poor-quality outcomes. We draw... -
Popular culture influences on national image and tourism behavioural intention: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Joon-ho Kim --- , Republic of Korea Myung-hun Jung --- , Republic of Korea Hyun-ju Choi --- , Republic of KoreaThis study aimed to examine the relationships between popular culture (success factors of K-pop) and international tourist behavioural intention, and the role of national image in that relationship. We analysed an existing data base on popular culture success attributes of... -
‘A Fiction to Mock the Cuckold’: Reinvigorating the Cliché Figure of the Cuckold in Abdulrazak Gurnah’s By the Sea (2001) and Gravel Heart (2017)
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Sean James Bosman --- , South AfricaThis article argues that Abdulrazak Gurnah reinvigorates the cliché figure of the cuckold into a complex narrative device. His cuckolds serve as nexuses through which he expresses some of his authorial concerns in By the Sea (2001) and Gravel Heart... -
Knowledge, attitude and practices of patients receiving maintenance haemodialysis in Bloemfontein, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: HC Spies --- , South Africa VL van den Berg --- , South Africa M Nel --- , South AfricaIntroduction: In sub-Saharan Africa, a paucity of data exists in respect of the knowledge, attitudes and practices (KAP) of patients on maintenance haemodialysis (MHD) regarding the dietary adaptations they should make. -
Introduction to the Supplement: Advancing the practice of operations management and innovation to drive Africa forward in the era of the Fourth Industrial Revolution (4IR)
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Aaron Luntala Nsakanda --- , CanadaThe Fourth Industrial Revolution (4IR) is paving the way for new and disruptive approaches to managing operations, innovation, and supply chains. Africa cannot ignore this revolution and afford to stand by while the rest of the world moves forward. In... -
Bull shark Carcharhinus leucas recruitment into the St Lucia Estuary, South Africa, after prolonged mouth closure, and the first observation of a neonate bull shark preyed on by a Nile crocodile Crocodylus niloticus
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R Daly --- , South Africa P Le Noury --- , United Kingdom TN Hempson --- , Mozambique M Ziembicki --- , Mozambique JM Olbers --- , South Africa GM Brokensha --- , South Africa BQ Mann --- , South AfricaEstuaries provide critical nursery habitat for juvenile bull sharks Carcharhinus leucas, as they have the ability to withstand a wide range of salinities. St Lucia is the largest estuarine lake in Africa and was once a key nursery for bull... -
Predictions of chlorophyll concentrations in the leaves of seedlings of two congeneric tropical trees from RGB digital image components
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Marcelo Schramm Mielke --- , Brazil Luciana Santos Lobo --- , Brazil Geane Santos da Costa --- , Brazil Ana Cristina Schilling --- , Brazil Martielly Santana dos Santos --- , Brazil Ândrea Carla Dalmolin --- , BrazilThe segmentation of digital images in red, green and blue (RGB) components is a low-cost method for monitoring leaf chlorophyll concentrations and seedling quality. The two congeneric species, Cariniana legalis and C. estrellensis, are distinguished based on differences in bark... -
The contribution of participatory engagement strategies to reliable data gathering and inclusive policies in developing countries: Municipal solid waste management data in the Greater Accra Metropolitan Area of Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kwaku Oduro-Appiah --- , Cape Coast, Ghana Anne Scheinberg --- , the Netherlands Abraham Afful --- , Cape Coast, Ghana Nanne de Vries --- , the NetherlandsThe absence of participatory engagement strategies in the collection of solid waste management data in most developing countries affects reliability and deprives professional staff and local authorities of any clear basis for system modernization. This article addresses these challenges in... -
Adherence to safety practices and risks associated with toxic chemicals in the research and postgraduate laboratories at Sefako Makgatho Health Sciences University, Pretoria, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Liziwe Lizbeth Mugivhisa --- , South Africa Khanyi Baloyi --- , South Africa Joshua Oluwole Olowoyo --- , South AfricaThe study investigated the knowledge of postgraduate students in the Biology, Chemistry and Biochemistry departments regarding safety practices, protective measures and risks associated with toxic chemicals in the postgraduate and research laboratories. The study was exploratory and was conducted through... -
Population Viability Analysis for a vulnerable ground-nesting species, the Cape Rockjumper Chaetops frenatus: assessing juvenile mortality as a potential area for conservation management
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Krista N Oswald --- , South Africa Alan TK Lee --- , South AfricaAs an endemic bird to the Fynbos biome, prominently featured in literature and marketing material for the avifauna of the continent, the Cape Rockjumper Chaetops frenatus is an iconic species of South Africa. Building on studies from the past decade,... -
Bioaccumulation of trace metals in the ocypodid burrowing crab, Paratylodiplax blephariskios, in Richards Bay Harbour, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JI Izegaegbe --- , South Africa L Vivier --- , South Africa HMM Mzimela --- , South AfricaBioaccumulation of metals in an endemic ocypodid burrowing mud crab, Paratylodiplax blephariskios, was investigated in contaminated mudflats of the subtropical Richards Bay Harbour (RBH), South Africa. Following sampling of water, sediment and mud crabs from three sites (Bhizolo, Mzingazi and... -
Challenges and opportunities for water conservation in irrigated agriculture in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Willem de Clercq --- , South Africa Marlene de Witt --- , South Africa Giel Laker --- , South AfricaThis review provides a brief overview of problems in irrigated agriculture that have become more evident as a result of climate change. In most irrigated regions in South Africa, the demand for water is exceeding the supply, as surface water... -
Challenges managing women with suspected Lynch Syndrome in Zimbabwe: a case report
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: Kotti-Emily Mukucha --- , Zimbabwe Marshall T Manase --- , Zimbabwe Charles Muronda --- , Zimbabwe Judy Whittaker --- , South Africa Bothwell T Guzha --- , ZimbabweLynch Syndrome (LS) is associated with a genetic predisposition to colorectal, endometrial and multiple extracolonic cancers. The lifetime risk of developing endometrial and ovarian cancers is 40–62% and 4–12% respectively. The case is presented of a 56-year-old woman with a... -
Disease surveillance and farmers’ knowledge of Brachiaria (Syn. Urochloa) grass diseases in Rwanda
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Bellancile Uzayisenga --- , Kenya Mupenzi Mutimura --- , Rwanda James W Muthomi --- , Kenya Agnes W Mwang’ombe --- , Kenya Sita R Ghimire --- , KenyaBrachiaria (syn. Urochloa) is one of the most important tropical forages grass of African origin. Its performance is affected by different constraints, including diseases. This study assessed the distribution, incidence and severity of Brachiaria diseases and documented farmers’ knowledge on... -
Assessment of soil surface scarification and reseeding with sulla (Hedysarum coronarium L.) of degraded Mediterranean semi-arid rangelands
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Slim Slim --- , Tunisia Mounir Louhaichi --- , Tunisia Mouldi Gamoun --- , Tunisia Serkan Ates --- , United States Sawsan Hassan --- , Jordan Oumeima Ben Romdhane --- , Tunisia Azaiez Ouled Belgacem --- , United Arab EmiratesClimate change and degradation of natural resources pose daunting challenges in arid and semi-arid rangelands of southern Mediterranean region. Overcoming these challenges requires considerable management actions efforts. In this context, the current two-year (2017/2018 and 2018/2019) study investigated the effects... -
Nutritional quality of Calobota sericea fodders. A preliminary assessment
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Francuois L Müller --- , South Africa Clement F Cupido --- , South Africa M Igshaan Samuels --- , South AfricaThis study aimed to provide preliminary information regarding the nutritional quality of Calobota sericea, a preferred perennial legume forage species from the water-limited rangelands of South Africa. Calobota sericea plant samples were collected from the Namaqualand rangelands in the wet... -
The Africa–China engagement: Contemporary developments and directions for future research
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Ken Kamoche --- , UK Saileshsingh Gunessee --- , Nana K. Kufuor --- ,The Africa–China engagement continues to attract attention from scholars and the media, and is increasingly characterized by controversy and conjecture. This special issue sought to re-examine the engagement against this backdrop, to provide a forum where some important aspects of... -
Examining the dominant models and theories of international staffing policies and practices through the lenses of the African context and Chinese multinational construction enterprises in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Aminu Mamman --- , Qian Wen --- ,International staffing policies and practices of Chinese enterprises in Africa have given rise to a number of observations, critical comments, empirical support and rebuttals. One of the areas of research and critique has been the implications of the staffing policies... -
Cumulative risk and school bullying experiences: Effects of moral disengagement and gender
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Huai-Bin Jiang --- , China Hui-Ling Zhou --- , China Bin Zhang --- , China Han-Yu Liang --- , China Jing-Jing Lian --- , China Yang-Yu Zhang --- , ChinaWe examined the mediation effect of moral disengagement in the association between children’s cumulative risk and high experience of school bullying. Additionally, we determined whether this mediating process was moderated by gender. A sample of 509 Chinese adolescent school students... -
Clean versus dirty energy: Empirical evidence from fuel adoption and usage by households in Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Alhassan Abdulwakeel Karakara --- , Ghana Evans S. Osabuohien --- , NigeriaThere are few studies on the determinants of energy consumption of households in Africa, particularly in Ghana. Thus, this study identifies the drivers of households’ fuel consumption for domestic purposes and examines two fuel categories (‘clean’ fuels versus ‘dirty’ fuels)... -
Recycling of municipal solid waste in India: Empirical findings from some select colonies in Delhi
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Madhav Govind --- , India Mirinchonme Mahongnao --- , IndiaThe growing volume of municipal waste has become a serious challenge for urban local bodies in Indian cities. The non-segregation of waste at the source is one of the main reasons for the low percentage of municipal waste being recycled... -
iPrevent: Engaging youth as long-acting HIV prevention product co-researchers in Cape Town, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Miriam Hartmann --- , USA Alexandra M Minnis --- , USA Emily Krogstad --- , USA Sheily Ndwayana --- , South Africa Siyaxolisa Sindelo --- , South Africa Millicent Atujuna --- , South Africa Shannon O’Rourke --- , USA Linda-Gail Bekker --- , South Africa Elizabeth T Montgomery --- , USASouth African youth are one of the highest risk groups, globally, for HIV acquisition. Identifying prevention methods that will be acceptable and used consistently is an urgent priority. Engaging youth as co-designers is a targeted strategy to achieve the goal... -
To act or not to act: Cultural hesitation in the multicultural hospitality workplace
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Anne Keizer-Remmers --- , The Netherlands Vasilena Ivanova --- , The Netherlands Anja Brandsma-Dieters --- , The NetherlandsThis article aims to describe the behaviour, feelings and emotions of hospitality professionals regarding the phenomenon of handelingsverlegenheid (which we translate as “awkwardness to act”) in intercultural professional settings. The overall purpose of this study is to understand how middle... -
A review of research about the psychology of hospitality management in three leading hospitality journals
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Ran Zhang --- , The Netherlands Wichard Zwaal --- , The NetherlandsThis article reviewed research articles published in three leading hospitality journals — Cornell Hospitality Quarterly, International Journal of Hospitality Management and Journal of Hospitality and Tourism Research. Sixty published issues (20 issues per journal) with a total of 539 articles... -
Distribution, ecology, and conservation of Philochortus zolii in Mauritania: implications for the long-term persistence of an endangered lizard
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Marisa Naia --- , Portugal Andack S Sow --- , Mauritania João Campos --- , Portugal Zeine El Abidine Sidatt --- , Mauritania José C Brito --- , PortugalPhilochortus zolii is a globally endangered lizard known only from five localities scattered across North Africa. The population is thought to be decreasing, but there are almost no data about this Sahara-Sahel endemic lizard. Recently, a sixth population was found... -
Effect of soil type on spatial distribution and nutritive value of grass species growing in selected rangelands of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Khuliso E Ravhuhali --- , South Africa Victor Mlambo --- , South Africa Tefera S Beyene --- , South Africa Lobina G Palamuleni --- , South AfricaThe distribution and status of grass species is essential for sustainable management of rangelands. Therefore, this study assessed the spatial distribution and nutritive value of grass species as influenced by soil type in selected rangelands of the North West province... -
A review of marine invertebrates used as fishing baits and the implications for national and regional management in the Western Indian Ocean
Item type: Journal Article • Journal: African Zoology • Authors: Carol A Simon --- , South Africa Agnes WN Muthumbi --- , Kenya Charles M Kihia --- , Kenya Kyle MS Smith --- , South Africa Riaan B Cedras --- , South Africa Paubert T Mahatante --- , Madagascar Virginia W Wangondu --- , Kenya Robert Katikiro --- , TanzaniaIn the Western Indian Ocean (WIO), more than 76 records from peer-reviewed and grey literature identified approximately 60 invertebrate taxa harvested for bait and food. The most diverse phyla were Mollusca, followed by Arthropoda and Annelida, with few records of... -
Temporal and spatial variation of the molluscan community structure in Oualidia Lagoon, Moroccan Atlantic coast
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: F El Asri --- , Morocco A Errhif --- , Morocco MN Tamsouri --- , Morocco H Nhhala --- , Morocco M Maanan --- , France H Zidane --- , MoroccoThe molluscan assemblages inhabiting the coastal waters of Oualidia Lagoon, Morocco, were studied during winter and summer of 2013. The taxonomic composition and diversity were determined at 43 sample sites. Thirty-four mollusc taxa were recorded in total, including 12 species... -
Sponges as simple biomonitoring tools for trace element pollution in marine environments: insights from a Kenyan study focused on the leaf sponge Phyllospongia foliascens
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BO Ohowa --- , Kenya LI Kiteresi --- , Kenya VW Wanjeri --- , Kenya SM Mwamburi --- , Kenya SL Tunje --- , KenyaThe potential of the marine leaf sponge Phyllospongia foliascens as a simple biomonitor of trace element pollution was assessed. The concentrations of arsenic (As), cadmium (Cd), chromium (Cr), copper (Cu), manganese (Mn) and zinc (Zn) in sediments and in P... -
Dropping plates to pick up aliens: towards a standardised approach for monitoring alien fouling species
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TG Loureiro --- , South Africa K Peters --- , South Africa TB Robinson --- , South AfricaBiological invasions pose a major threat to biodiversity and significant investment is required to prevent the introduction of alien species, contain introduced populations and mitigate associated impacts. The implementation of standardised long-term monitoring programmes enables the early identification of new... -
Trends in ethylene management strategies: towards mitigating postharvest losses along the South African value chain of fresh produce – a review
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Bongolwethu P Mabusela --- , South Africa Zinash A Belay --- , South Africa Buntu Godongwana --- , South Africa Namrata Pathak --- , Germany Pramod V Mahajan --- , Germany Patricia M K Mathabe --- , South Africa Oluwafemi J Caleb --- , South AfricaThe management of ethylene during postharvest storage is of critical importance to fresh produce wholesalers and retailers. The management of ethylene is an important determinant of the quality and shelf life of fresh fruit and vegetables. Ethylene blocking action and... -
Response of soil carbon fractions in a Haplic Cambisol to crop rotation systems and residue management practices under no tillage in the Eastern Cape, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: I Gura --- , South Africa PNS Mnkeni --- , South Africa CC du Preez --- , South Africa JH Barnard --- , South AfricaSoil organic carbon (SOC) is a major indicator of soil quality and/or health but its slow short-term response to management changes has prompted the search for more sensitive indicators for monitoring short-term changes in soil organic matter (SOM). This study... -
Occurrence of putatively resistant plantago in the winter rainfall region of South Africa: a survey
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Vhuthu Ndou --- , South Africa Ethel E Phiri --- , South Africa Frederik H Eksteen --- , Petrus J Pieterse --- , South AfricaGlobally glyphosate is the most widely used herbicide. The alternative in many cropping situations is paraquat. After many years of success, neither herbicide could control plantago (Plantago lanceolata L., also ‘English plantain’) in Robertson. A survey was carried out by... -
The relationship between age and glycaemic control in patients living with diabetes mellitus in the context of HIV infection: a scoping review
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: RR Chetty --- , South Africa S Pillay --- , -
Understanding ICT adoption amongst SMEs in Uganda: Towards a participatory design model to enhance technology diffusion
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Stephen Kyakulumbye --- , South Africa Shaun Pather --- , South AfricaPolicy statements by the United Nations, the African Union and most African countries boldly pronounce on the anticipated benefits of the internetworked world and associated ICT to society in general and to the world of business specifically. In terms of... -
Strengthening intermediaries in the National System of Innovation (NSI): Case of the South African Council for Natural Scientific Professions
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Bongiwe Mncwango --- , South Africa Samuel Fongwa --- , South AfricaThis paper uses the National System of Innovation (NSI) framework to interrogate the role of professional organizations as intermediaries within the South African NSI. Using the case of the South African Council for Natural Scientific Professions (SACNASP), we explore the... -
Artificial light improves productivity of mini-cuttings in a clonal minigarden of Eucalyptus benthamii and E. dunnii
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Enéas Ricardo Konzen --- , Brazil Natália Saudade de Aguiar --- , Brazil Marcio Carlos Navroski --- , Brazil Clenilso Sehnen Mota --- , Brazil Leticia Miranda --- , Brazil Regiane Abjaud Estopa --- , Brazil Erasmo Luis Tonett --- , Brazil Mariane de Oliveira Pereira --- , BrazilEucalypts are economically important worldwide, being largely propagated by clonal means, that is, frequently achieved by mini-cuttings. Regional climatic conditions, however, interfere with this strategy. Southern Brazil, especially in higher altitudes, has a considerable number of cloudy and cold days... -
Intentions behind common and risky fires in south-eastern Tanzania
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ellie Wood --- , United Kingdom Mercy Mgaya --- , United Republic of Tanzania Christopher Andrews --- , United Kingdom Kate Schreckenberg --- , United Kingdom Janet A Fisher --- , United Kingdom Isla Grundy --- , Casey M Ryan --- , United KingdomHuman-set fires are a crucial component of African savannas, affecting ecosystem structure, carbon emissions, local hazards and livelihoods. Yet, most fire research in these ecosystems focuses on the fire ecology of protected areas. Research exploring fire regimes in inhabited landscapes... -
Sedimentary charcoal studies from southern Africa’s grassy biomes: a potential resource for informing the management of fires and ecosystems
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Abraham N Dabengwa --- , South Africa Sally Archibald --- , South Africa Jemma Finch --- , South Africa Louis Scott --- , South Africa Lindsey Gillson --- , South Africa William J Bond --- , South AfricaAfrican grassy biomes evolved together with fire and have a long history of human manipulation of fire, yet few rangeland studies acknowledge the role of prehistoric fire in shaping contemporary ecological patterns. Nevertheless, prehistoric fire records have been used elsewhere... -
Too much, too late: fires and reactive wildfire management in northern Botswana’s forests and woodland savannas
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: L Cassidy --- , Botswana JS Perkins --- , Botswana J Bradley --- , BotswanaAcross much of southern Africa’s savanna wildernesses, wildfires burn unchecked. This is particularly true in the woodland savannas of northern Botswana, where wildfires originate outside of management activities, and are left to burn uncontrolled, because of limited resources and remoteness... -
Talent management practices and work-related outcomes for South African academic staff
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Musawenkosi Donia Saurombe --- , South Africa Emmerentia Nicolene Barkhuizen --- , South AfricaThis study explored the perception of relationships between talent management practices and work meaningfulness, happiness, and turnover intention among South African academic staff. The participants (n = 160) were from a large South African higher education institution (HEI). For a... -
Corporate sustainability and customer loyalty: The role of firm’s green image
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Michelle Frempomaa Frempong --- , China Yinping Mu --- , China Stephen Sarfo Adu-Yeboah --- , China Md Altab Hossin --- , China Richard Amoako --- , ChinaWe aimed to investigate the influence of corporate sustainability on customer loyalty. Participants were 790 customers from mobile telecommunication, retail banking, and the manufacturing sector of the Ghanian economy (female = 42%, age range = 18 to 65 years). The... -
Recruitment managers’ emotional intelligence and employment discrimination against people living with HIV/AIDS: The mediating role of stigma
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Michael A. Ofili --- , South Africa Erhabor S. Idemudia --- , South Africa Babatola D. Olawa --- , South AfricaThis study examined the mediating role of stigma on relationship between emotional intelligence (EI) and employment discrimination against people living with HIV/AIDS (PLWHA). Participants included 1 112 recruitment managers (female = 49%, senior managers = 68%) drawn from both private... -
Characterising epibenthic diversity and physical drivers in unconsolidated marine habitats of Algoa Bay, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: HJ Truter --- , South Africa LJ Atkinson --- , South Africa CEO von der Meden --- , South Africa D Bailey --- , South Africa W Goschen --- , South Africa AT Lombard --- , South AfricaUnconsolidated marine sediment habitats spatially make up the majority of global ocean seabed, yet benthic faunal patterns and their abiotic drivers remain poorly understood. Benthic research in Algoa Bay, on the south coast of South Africa, has largely focused on... -
What considerations exist for innovative public health management in the age of the Fourth Industrial Revolution?
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Machanduke Lucas Shipalana --- , South Africa Sebenzile Reuben Masango --- , South Africa Kedibone Goodwill Phago --- , South AfricaThe notion of innovation and the Fourth Industrial Revolution euphoria are not mutually exclusive and require a focused assessment on the readiness of governments around the world. Such assessments are more compelling for developing countries to determine their level of... -
Micro-perspective lens on entrepreneurs in the early stage of business: Expectations vis-à-vis realities
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: D.S. Nheta --- , South Africa R. Shambare --- , South Africa C. Sigauke --- , South AfricaIn the early stage of business, which is where most new ventures fail, many entrepreneurs experience discrepancies between their entrepreneurial expectations and business realities. These discrepancies referred to by this paper as an entrepreneurial gap (EG) are, therefore, among other... -
Agricultural supply response for sunflower in South Africa (1947–2016): The partial Nerlovian framework approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kenneth Nhundu --- , South Africa Colleta Gandidzanwa --- , South Africa Petronella Chaminuka --- , South Africa Manana Mamabolo --- , South Africa Sandile Mahlangu --- , South Africa Moraka N. Makhura --- , South AfricaThe study estimates sunflower supply response in South Africa using time series data from 1947 to 2016, modelled through the Nerlovian Partial Adjustment approach. Short- and long-run price elasticities of 0.238 and 0.313 respectively, suggest that farmers do not easily... -
Impact of rural, non-farm activities on smallholder farmers’ income-poverty in Eastern zone of Tigray Region, Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yohannes Halefom Gebrtetsadik --- , EthiopiaThis study aims at assessing the impact of rural, non-farm activities on smallholder farmers’ income-poverty. It answers these research questions: Is there any significant difference in the poverty indices between the participants and non-participants of non-farm activities? What is the... -
The influence of academic engagement on academic performance of university accounting students in Ghana
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Nana Adwoa Anokye Effah --- , China Agyeiwaa Owusu Nkwantabisa --- , ChinaAn essential component of every university’s desired outcome is producing successful students with advanced academic and cognitive learning skills. However, this goal might be compromised and, in some extreme cases, not attained due to circumstances encountered in the university education... -
Exploring educators’ and support staffs’ experiences regarding crises containment management in South African schools
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Monique de Klerk --- , South Africa Werner de Klerk --- , South AfricaThis qualitative interpretive description research study aimed to explore, interpret, and describe educators’ and support staffs’ experiences regarding the management of crises in their schools in the Western Cape Province, South Africa. Informant educators (n = 7) and support staff... -
Factorial structure of the Community of Inquiry Survey in a South African open and distance e-learning environment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ashley Mutezo --- , South Africa Sune Maré --- , South AfricaWe aimed to determine the factor structure and reliability for the Community of Inquiry Survey in a South African Open and Distance e-Learning Environment. Participants were 572 honours students. Confirmatory factor analysis was performed to determine the factorial structures. Structural... -
“Becoming a somebody”: mobility, patronage and reconfiguration of transactional sexual relationships in postcolonial Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Rufaro H. Mushonga --- , Zimbabwe Vupenyu Dzingirai --- , ZimbabweThe article explores the many ways in which Zimbabwean women married to Nigerian migrant entrepreneurs in Harare reconfigure transactional sexual relationships to further their own ends. Drawing on postcolonial feminism and based on a qualitative ethnographic inquiry, the article highlights... -
Traditional authorities, legal power and land disputes in north-west Namibia
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Kana Miyamoto --- , JapanThis study considers the revitalisation of traditional authorities, a phenomenon found throughout modern Africa. It analyses and compares court cases involving land disputes amongst herders living in north-western Namibia. Since the 1990s, African nations have pursued land reform to stabilise... -
Age and diabetes control in an HIV-endemic country: is there an association?
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: RR Chetty --- , South Africa S Pillay --- , South AfricaBackground: The prevalence of diabetes mellitus (DM) in South Africa (SA) is 12.80% and is rising, while that of HIV infection remains the highest globally (13%). Literature varies on the associations between glycaemic control and age in patients living with... -
Exploring the role of the biokineticist in diabetes self-management: a survey of patients’ knowledge, attitudes and perceptions about exercise
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: T Sookan --- , South Africa A Vaizie --- , South Africa T Pillay --- , South Africa S Moodley --- , South Africa S Naidoo --- , South Africa K Naidoo --- , South AfricaBackground: Self-management of type 2 diabetes mellitus (T2DM) in South Africa (SA) is sub-optimal, with exercise reported to be the least employed modality of self-management. This study aimed to evaluate the knowledge, attitudes and perceptions of T2DM patients regarding T2DM... -
How individuals learn to do more with less: The role of informal learning and the effects of higher-level education and unemployment in Ghana
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Anne Kristin Pia König --- , Germany Corinna Vera Hedwig Schmidt --- , Germany Bastian Kindermann --- , Germany Marc Alexander Peter Schmidt --- , Germany Tessa Christina Flatten --- , GermanyWith a rapidly growing population, Africa faces a significant job creation challenge. One solution to this is to encourage local entrepreneurship. Yet, entrepreneurs are facing an environment where resources are scarce. A way to enact entrepreneurial opportunities in such a... -
Rhizomic Writing and Reading of a Nation Coming to Birth in Yvonne A. Owuor’s Novel, Dust
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Christopher Odhiambo Joseph --- , KenyaAnchored on Deleueze and Guattari’s notion of rhizome, this article inspects the narrative strategy in Yvonne Owuor’s novel, Dust, in imagining the Kenyan nation, especially in the context of the contested presidential elections of 2007. It subsequently grapples with how... -
Age and growth of the Cape knifejaw Oplegnathus conwayi, an endemic South African teleost
Item type: Journal Article • Journal: African Zoology • Authors: RM Foster --- , South Africa A-R Childs --- , South Africa BQ Mann --- , South Africa WM Potts --- , South AfricaThe South African spearfishery targets a variety of data-deficient species, which are consequently poorly managed. This study aimed to describe the age and growth of one of these species, the Cape knifejaw, Oplegnathus conwayi, which is endemic to the southern... -
Assessing alternatives for growth and yield modelling in eucalypt stands
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Thaynara Reis --- , Simone Silva --- , Ivaldo Tavares Junior --- , Rodrigo Leite --- , Mariana Taquetti --- , Kemely Atanazio --- , Leonardo Fardin --- , Jovane Cruz --- , Helio Leite --- ,Growth and yield estimates are extremely important for forest stand management. The application of simple models is often useful, as it allows the use of plots with few or a single measurement. The objective of this study was to evaluate... -
Assessment of plant species composition and natural regeneration in abandoned settlements in the lower montane forest of Kilimanjaro National Park, Tanzania
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Imani Abinery Kikoti --- , Tanzania Cosmas Mligo --- , Tanzania Henry Joseph Ndangalasi --- , TanzaniaAnthropogenic modification of montane forests to other land uses has significant effects on native vegetation and the ecological functions of plant communities, such as in the forests of Mount Kilimanjaro. This study was carried out in Kilimanjaro National Park at... -
An evaluation of the environmental behaviour, fate and risk of key pesticides used in South African forest plantations
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Noxolo Nokwethemba Ndlovu --- , South Africa Keith Little --- , South Africa Brenda Baillie --- , New Zealand Carol Rolando --- , New ZealandPesticides are important for the management of pests and diseases that have a negative impact on the sustainability of the forestry industry. Nevertheless, there is a trend to reduce pesticide use owing to the potential detrimental impacts they pose to... -
Soil quality index for extensive pastures in hilly landforms region of highly weathered soils in an Atlantic forest biome, Brazil
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: DL Burak --- , Brazil E de C Monteiro --- , Brazil RR Passos --- , Brazil E de Sá Mendonça --- , BrazilExtensive pasture systems established in highly weathered tropical soils on steep slopes are vulnerable to soil degradation. Soil degradation can be monitored using an soil quality index (SQI). The SQI can assess both environmental aspects and indices related to pasture... -
Characteristics of herbaceous vegetation on abandoned fallow fields in south central Zimbabwe
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Linda Mtali-Chafadza --- , Zimbabwe Prisca H Mugabe --- , Zimbabwe Emmanuel Manzungu --- , ZimbabweFields abandoned to fallow, due to biophysical and socio-economic factors in communal areas of Zimbabwe, are used for livestock grazing. A study was conducted to characterise vegetation from such fields, and assess its grazing suitability across four agroecological regions (AER... -
InfoInternet for education in the Global South: A study of applications enabled by free information-only internet access in technologically disadvantaged areas
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Johanna Johansen --- , Norway Josef Noll --- , Norway Christian Johansen --- , NorwayThis paper summarizes our work on studying educational applications enabled by the introduction of a new information layer called InfoInternet. This is an initiative to facilitate affordable access to internet-based information in communities with network scarcity or economic problems from... -
Evaluation of furrow irrigation performance: Case of Kasinthula Cane Growers Scheme in Malawi
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Stanley Phiri --- , Malawi Thomas Nyanda Reuben --- , Malawi Grivin Chipula --- , Malawi Kenneth Alfred Wiyo --- , MalawiSurface irrigation is associated with low irrigation efficiencies and exerts a lot of pressure on water resources. Despite this, the irrigation method remains dominant in Malawi and other sub-Saharan Africa countries. A need exists to improve surface irrigation efficiencies in... -
Adoption of dual-purpose sweetpotato varieties under partial population exposure in Rwanda: Insights from an African plant breeding programme
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Gideon Danso-Abbeam --- , South Africa Lloyd J.S. Baiyegunhi --- , South Africa Mark D. Laing --- , South Africa Hussein Shimelis --- , South AfricaAs part of the Green Revolution, plant breeding programmes such as the African Centre for Crop Improvement have trained scientists to breed crop varieties in Africa to address the challenges of low productivity. However, exposure to and adoption of these... -
Rethinking project management maturity models for the South African power sector
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Natisha Gareeb --- , South Africa Pantaleo D. Rwelamila --- , South AfricaThe purpose of this paper is to determine whether the current Project Management Maturity Models (PMMM) described in the literature are suitable for the South African (SA) power sector. The research objective of this paper is to map the main... -
Blockchain for agricultural sector: The case of South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Roberto Mavilia --- , Italy Roberta Pisani --- , ItalyNew technologies are playing a fundamental role in the postmodern era of globalization where interpersonal interactions at the international level and the exchange of goods, services, information and capital are the basis of all activities. The agriculture sector is constantly... -
Exploring the impact of rebranding on stakeholders: a case study of Hotel Management School NHL Stenden
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Anna Spenkelink --- , Rodney Westerlaken --- , Javed Suleri --- ,The purpose of this study is to provide a better insight into the impact of rebranding on stakeholders; the case for this study is the rebranding of the Hotel Management School (HMS). This research has explored how the stakeholders have... -
Hotel managers’ perspectives of Airbnb operations in Accra Metropolis, Ghana
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Rosemary Wunpini Issaka --- , Ghana Abednego Kofi Bansah --- , Ghana Conrad-Joseph Wuleka Kuuder --- , GhanaThe study was conducted to ascertain hotel managers’ standpoints on the influx of Airbnb facilities in Ghana’s hospitality “arena” and the palpable effects. Employing a qualitative approach to data collection, the study made use of in-depth interview guides, engaging 33... -
Support for local wines in The Netherlands: opportunities for the hospitality industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Joost Ijsselmuiden --- , The NetherlandsThis article reports on a research project to measure the current intrinsic competitive value of Dutch wine in comparison to wines from renowned wine countries based on a taste and olfactory evaluation, and to explore the sustainable benefits that local... -
Effects of mindfulness on occupational stress and job satisfaction of hospitality and service workers
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sophie Luisa Bolm --- , The Netherlands Wichard Zwaal --- , The Netherlands Macmillion Braz Fernandes --- , The NetherlandsHospitality and service workers commonly work under psychological and physical pressure with long working hours, resulting in high levels of occupational stress that affect their overall well-being and job satisfaction. This study investigates the effects of a mindfulness intervention on... -
Weed species composition and abundance in the main coffee production systems and regions of Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Abera Daba --- , Ethiopia Mekuria Tadesse --- , Ethiopia Selamawit Negassa Chawaka --- , Ethiopia Gezahegn Berecha --- , EthiopiaA weed population survey was carried out to assess the variability in weed species composition and abundance in the main coffee production systems and regions of Ethiopia. A total of 168 coffee fields were assessed using a quadrat count in... -
Prevalence, population structure and burrow morphology of the kelp-boring amphipod Sunamphitoe roberta
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MJ Wilcox --- , South Africa J Landschoff --- , South Africa CL Griffiths --- , South AfricaThe recently described amphipod Sunamphitoe roberta lives only on the kelp Ecklonia maxima, where it excavates slit-like burrows along the distal margins of thicker primary fronds. Oval chambers along the bases of these slits may represent feeding areas. As burrowing... -
Is a sentiment-based trading strategy profitable?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Karam Kim --- , Republic of Korea Doojin Ryu --- , Republic of Korea Jinyoung Yu --- , Republic of Korea We examine whether sentiment indices predict individual firms’ stock returns and evaluate the performances of sentiment-based trading strategies in the Korean equity market. We find that the sentiment indices (constructed using the principal component analysis (PCA) and overnight stock returns)... -
Evidence for overfishing of tigerfish Hydrocynus vittatus (Castelnau 1861) in the Kavango River, Namibia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: FJ Jacobs --- , Namibia TF Naesje --- , Norway EM Ulvan --- , Norway CJ Hay --- , Namibia FH Khaebeb --- , Namibia OLF Weyl --- , South AfricaThe fishery for the African tigerfish Hydrocynus vittatus in northern Namibia makes a substantial contribution to surrounding food security and stimulates the local economy through subsistence and recreational fishing. However, local fishers suggest that catch rates of H. vittatus have... -
Disaggregation and assessment of estuarine pressures at the country-level to better inform management and resource protection – the South African experience
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: L van Niekerk --- , South Africa S Taljaard --- , South Africa SJ Lamberth --- , South Africa JB Adams --- , South Africa SP Weerts --- , South Africa CF MacKay --- , South AfricaGlobally, the ability of estuaries to sustain functionality and productivity is deteriorating rapidly under ever-increasing anthropogenic pressures. We present a systematic approach to identify, characterise and rank global pressures affecting estuaries. Six main pressure categories are reviewed: freshwater flow modification;... -
Standardising English and Afrikaans common names for polychaetes harvested as bait in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Carol A Simon --- , South Africa Alheit N du Toit --- , South Africa Stephen J Lamberth --- , South Africa George M Branch --- , South AfricaPolychaete worms are used widely as bait in South Africa, but common names are not used consistently among fishers or in the literature. This can have implications for conservation, since different polychaete species will not be equally vulnerable to exploitation,... -
Effect of COVID-19 on older adults 50 years and above living with HIV in a less-developed country
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Mathew Nyashanu --- Nottingham Trent University, United Kingdom Derrick Amooti Lusota --- Makerere University, Uganda Martin Muddu --- Makerere University Joint AIDS Program, Uganda Scovia Nalugo Mbalinda --- Makerere University, UgandaIntroduction: Globally, control measures have been communicated to reverse the COVID-19 pandemic. In Uganda, as soon as the first case of COVID-19 was identified, strict lockdown measures were enforced, including a ban on all public and private transport, night curfew,... -
Mediating antiretroviral treatment for HIV during COVID-19: lessons from implementation in Gomba District, Uganda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Kenneth Mulondo --- , Uganda Warren Parker --- University of KwaZulu-Natal, South AfricaInitial and subsequent waves of COVID-19 in Uganda disrupted the delivery of HIV care. In rural areas, village health teams and organisations on the ground had to develop strategies to ensure that people living with HIV could continue their treatment... -
Reducing poverty through use of irrigation: Evidence from rice farming in Benin
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Gbetondji Melaine Armel Nonvide --- , BeninAn emerging body of literature has claimed that poverty is multidimensional and therefore the unidimensional measure cannot serve as a good proxy for poverty. The actual debate is about the inclusion of other dimensions in the poverty analysis framework. Regarding... -
Determinants of technology adoption by micro and small enterprises (MSEs) in Awi zone, Northwest Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Adino Andaregie --- , Ethiopia Tessema Astatkie --- , CanadaAdoption of technology can enhance the development of micro and small enterprises (MSEs). But in Ethiopia, there is a very low adoption of broadband connections, mobile phones, computers, printers, scanners, copiers, and other technologies by MSEs. The main objective of... -
Is application of commercial potassium humates beneficial to soil and wheat?
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: GM Ceronio --- , South Africa JT van Tonder --- , South Africa CC du Preez --- , South AfricaCommercial humates manufactured from oxidised lignites are often recommended to improve soil condition and crop growth. The benefits ascribed to these products are questioned, since they differ from humates that exist naturally in soils. Growth chamber, glasshouse and field experiments... -
Aggregate dynamics and intra-aggregate carbon contents as influenced by long-term wheat production management in semi-arid South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: LS Tlomatsana --- , South Africa PF Loke --- , South Africa E Kotzé --- , South Africa MP Aghoghovwia --- , South AfricaSoil aggregate dynamics have received renewed interest due to their relevance in carbon (C) stabilisation. This study evaluated changes in aggregate-size distribution and intra-aggregate C following 41 years of wheat production in semi-arid central South Africa. Management practices that have... -
Evaluation of soil physico-chemical properties as affected by canopies of scattered agroforestry trees on croplands
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Shimbahri Mesfin --- , Ethiopia Hailay Haileselassie --- , EthiopiaAgroforestry tree species play an important role in improving soil fertility. Though studies have confirmed that different species show different potentials to improve soil fertility, it is difficult to compare them as the studies were conducted in different areas. The... -
Lives in Motion: Theorising Mobility in Contemporary Queer African Cinema
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Wesley Paul Macheso --- ,This paper discusses two fictional films — Inxeba (The Wound) (2017) and Rafiki (2018) — as forms of queer representation within the nascent field of queer African cinema. My analysis situates the films within discourses of globalisation with a specific... -
Social entrepreneurs’ use of spatial bricolage to create frugal innovation in a divided urban setting
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Susanne Nilsson --- KTH Royal Institute of Technology, Stockholm, Sweden Mikael Samuelsson --- University of Cape Town, South Africa Camille Meyer --- University of Cape Town, South AfricaThis study examines how social entrepreneurs mobilize resources to innovate in divided urban settings. Over a period of two years, we followed four social start-up entrepreneurs in the city of Cape Town, South Africa, characterized by some of the highest... -
Carbohydrate counting in type 1 diabetes mellitus: dietitians’ perceptions, training and barriers to use
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Megan Esmè Dimitriades --- , South Africa Kirthee Pillay --- , South Africa -
Perceived organisational reputation and work engagement among Nigerian bank employees: The mediating role of transformational leadership style
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gabriel C. Kanu --- , Nigeria Anene M. Ezeh --- , Nigeria Ikechukwu V. N. Ujoatuonu --- , Nigeria Sampson O. Elom --- , Nigeria Lawrence E. Ugwu --- , NigeriaThis study aimed to examine the relationship between employee perceptions of their organisational reputation and employee work engagement, and the role of transformational leadership style in that relationship. The study sample comprised 183 employees of Nigerian banks (female = 52.5%; managers = 9.8%; mean... -
Top management team cognition and strategic decision performance: The mediating role of team conflict
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Meng Chenli --- , ChinaThis study assessed the influence of top team conflict on top management team (TMT) cognition (ability and need), strategic decision-making (quality and satisfaction), and differentiating between task conflict and emotional conflict. Participants were from 63 Chinese enterprises (n = 226; female= 45.58%;... -
Structural validity and measurement invariance of the Psychological Career Resources Inventory Short Form as a predictor of career satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melinde Coetzee --- , South Africa Xander van Lill --- , South Africa Marais S Bester --- , South AfricaThe present study had two objectives. The first objective was to assess the structural validity of the Psychological Career Resources Inventory – Short Form (PCRI-SF) and for measurement equivalence across ethnic (white and black) and gender groups in the South... -
Practical aspects of insulin administration: what the healthcare provider knows
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Nousheen Parker --- , South Africa Ankia Coetzee --- , South Africa Lourentia van Wyk --- , South Africa Magda Conradie --- , South Africa -
Forage legumes from the Mediterranean Fynbos biome of South Africa with potential for domestication: slope aspect affects tissue fibre and mineral composition
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Samson BM Chimphango --- , South Africa Luke H Gallant --- , South Africa M Igshaan Samuels --- , South Africa Odette E Curtis-Scott --- , South Africa A Muthama Muasya --- , South Africa Clement Cupido --- , South Africa James S Boatwright --- , South Africa John Howieson --- , AustraliaFabaceae plants contribute greatly to a high quality of pasture in rangelands, because of high levels of protein in their tissues. Despite this established importance, only a few southern African legumes have been evaluated for nutritional value and domestication. The... -
A review of the responses of medium- to large-sized African mammals to fire
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Willem A Nieman --- , South Africa Brian W van Wilgen --- , South Africa Frans GT Radloff --- , South Africa Alison J Leslie --- , South AfricaAn improved understanding of how fire affects African mammals is important for the management of both fire regimes and mammal populations. The response of mammals (>5 kg) to fire was reviewed to identify habitat preferences, and to inform fire management... -
Screening herbicides and herbicide mixtures to identify alternative chemical controls for resistant plantago biotypes
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Vhuthu Ndou --- , South Africa Ethel E Phiri --- , South Africa Petrus J Pieterse --- , South AfricaHerbicide mixtures are beneficial since they delay the occurrence of resistance to herbicides, provided that the herbicides used are effective at controlling the target weed species. Recently, plantago (Plantago lanceolata L.) was found to show 23 and 10-fold-resistance to glyphosate... -
Electronic customer relationship management framework for Game Parks in Zimbabwe
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Theo Tsokota --- Midlands State University, Zimbabwe Gilbert Mahlangu --- Midlands State University, Zimbabwe Muchaneta Enipha Muruko --- MSc Information System Management Graduate Student at Midlands State University, Zimbabwe Colletor Tendeukai Chipfumbu Kangara --- Midlands State University, ZimbabweElectronic customer relationship management (e-CRM) is acknowledged today as an obligatory concept of customer relationship management in the world of services. However, there is a lack of any clear e-CRM framework for Game Parks in Zimbabwe. Consequently, this study’s primary... -
A literature- and senior stakeholder-informed model of southern African programme risk management challenges
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Emmanuel Mulambya --- North-West University, Republic of South Africa Hermien Zaaiman --- North-West University, Republic of South AfricaStrategic capital infrastructure programmes are risky endeavours due to the complexity inherent in implementing and managing such large project-based programmes. Successful programmes demand well-developed skills in the under-researched and underdeveloped discipline of programme risk management. The purpose of this qualitative... -
Nexus between perceptions of urban environmental planning and solid waste management practices in Debre Markos Town, Amhara Region, Northwest Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Genet Barklign --- University of Gondar, Ethiopia Kassahun Gashu --- University of Gondar, EthiopiaLack of integration between urban environmental planning and solid waste management is a challenge for cities in developing countries. The aim of the research was to analyze the nexus between local communities’ perceptions of urban environmental planning and solid waste... -
Local perceptions and sociocultural value of Hooded Vultures Necrosyrtes monachus in Burkina Faso, West Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Clément Daboné --- University Centre of Tenkodogo/University Thomas Sankara, Burkina Faso Adama Ouéda --- University Joseph Ki-Zerbo, Burkina Faso Lindy J Thompson --- , South Africa Jacques Boco Adjakpa --- University of Abomey-Calavi, Benin Peter DM Weesie --- University of Groningen, The NetherlandsHooded Vultures have suffered from dramatic population declines in recent decades owing to anthropogenic pressures. To properly address this threat, the sociocultural perspectives towards this species should be considered. We examined peoples' perceptions, knowledge and beliefs on Hooded Vulture's sociocultural... -
An indicator-based approach for cross-realm coastal biodiversity assessments
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: LR Harris --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa AL Skowno --- South African National Biodiversity Institute (SANBI), South Africa KJ Sink --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa L van Niekerk --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa SD Holness --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa M Monyeki --- South African National Biodiversity Institute (SANBI), South Africa P Majiedt --- South African National Biodiversity Institute (SANBI), South AfricaEcosystem status assessments are generally separated into realm-specific analyses (terrestrial, freshwater, estuarine or marine), but without integrating these into a coherent assessment of coastal biodiversity across the land–sea interface. Trends in assessment indicators in coastal versus non-coastal areas have also... -
Estimating the economic income and social contributions derived from the South African west coast rock lobster fishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JM Eggers --- Rhodes University, South Africa KL Cochrane --- Rhodes University, South Africa WHH Sauer --- Rhodes University, South AfricaThe west coast rock lobster Jasus lalandii fishery is South Africa’s third-most-valuable fishery, although the stock is currently estimated at <2% of its pristine biomass. Recent ecologically necessary reductions in the total allowable catch (TAC) had negative economic impacts on... -
New records and a notable observation of potentially predator-avoiding amplectic behaviour in Boophis erythrodactylus from Madagascar
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Robin Kurian Abraham --- Biodiversity Institute and Department of Ecology and Evolutionary Biology, University of Kansas, United States Carl Richard Hutter --- Biodiversity Institute and Department of Ecology and Evolutionary Biology, University of Kansas, United StatesThe Red-fingered Bright-eyed Frog Boophis erythrodactylus is an endemic, range-restricted arboreal frog found only in the eastern rainforests of Madagascar. We report new localities for this species, along with locality records for its sister species B. tasymena, including localities where... -
Names of Contemporary Wooden Boats of Coastal East Africa: Origins and Meanings
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Elgidius B. Ichumbaki --- , Tanzania Gastor Mapunda --- , Tanzania John P. Cooper --- , United Kingdom Sinyati R. Mark --- , Tanzania Elinaza A. Mjema --- , Tanzania Lucy Blue --- , Thomas J. Biginagwa --- , TanzaniaThe coast of eastern Africa, commonly referred to as the Swahili coast, has a rich artisanal heritage of boats — both in their building and use. This iconic history is marked by the presence of various boat types that have... -
A comparative review of decision support tools routinely used by selected transboundary River Basin Organisations
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: H Bukhari --- , South Africa CA Brown --- , South AfricaAs human pressures on water resources increase, the data and decision support (DS) tools used in the governance, development and management of transboundary rivers are likely to become increasingly important. There are no universal, standardised selection processes or designs for... -
The Freshwater Biodiversity Information System (FBIS) – mobilising data for evaluating long-term change in South African rivers
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Helen Dallas --- , South Africa Jeremy Shelton --- , South Africa Tim Sutton --- , South Africa Dimas Tri Cuptura --- , South Africa Mohammed Kajee --- , South Africa Nancy Job --- , South AfricaAccess to long-term biodiversity datasets is vital for monitoring, managing and protecting freshwater ecosystems. Detecting critical ecosystem changes, such as losing unique biodiversity and ecosystem services, is dependent on access to data. A wealth of biodiversity data exists for river... -
The Elephant Marsh, Malawi – Part 3: the application of an eco-social model to assess options for managing ecological status
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: C Brown --- , South Africa A Joubert --- , South Africa J Turpie --- , South Africa K Reinecke --- , South Africa A Birkhead --- , South Africa K Forsythe --- , South Africa T Davies --- , United Kingdom W Mgoola --- , Malawi J Nyirenda --- , Malawi R Arthur --- , United KingdomIn 2016, an application was prepared by the Malawian government for the Elephant Marsh on the Shire River to be granted RAMSAR status. As part of the support for that application and to help guide the resulting management plan, the... -
Freshwater ecosystems and interactions with the SDG 2030 Agenda: implications for SDG implementation in South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: N Libala --- , South Africa N Griffin --- , South Africa A Nyingwa --- , South Africa J Dini --- , South AfricaFreshwater ecosystems play a fundamental role in supporting the environment, the economy and people’s well-being. However, human development and mismanagement have degraded these ecosystems. Using network analysis, we examined the interlinkages (synergies and trade-offs) between indicator 6.6.1 (water-related ecosystems) and... -
The adoption of Software Engineering practices in a Scrum environment
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluwaseun Alexander Dada --- , Finland Ismaila Temitayo Sanusi --- , FinlandThe competition in the software market demands that the time required for any software product to reach the market be reduced if the product is to survive competition from other developers. The pursuit of this goal has led to the... -
Application of intermittent warming to enhance postharvest quality and extend the shelf life of pomegranate fruit (Punica granatum)
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Olaniyi Amos Fawole --- , South Africa Loriane Jennifer Ayo-ola Yanclo --- , South Africa Umezuruike Linus Opara --- , South AfricaIntermittent warming (IW) cycles slow down the physiology of fresh horticultural commodities, thereby extending their storage life. We investigated the effects of IW on physiological disorders, physicochemical, sensory parameters and the emission of volatile organic compounds (VOCs) of pomegranate (Punica... -
Analysis of domestic water consumption in peri-urban South Africa: The case study of Thohoyandou in Limpopo province, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: M. Muloiwa --- , South Africa M. O. Dinka --- , South Africa S. Nyende-Byakika --- , South AfricaThe aim of the paper was to analyze factors affecting domestic water consumption in Thohoyandou, Limpopo province, South Africa. A structured questionnaire was used to collect qualitative and quantitative data in the study area. A total sample of 100 households... -
A Notsie narrative perspective on turnover in the UK financial services industry
Item type: Journal Article • Journal: Africa Journal of Management • Authors: David Sarpong --- , United Kingdom Mairi Maclean --- , United Kingdom Wuraola Hassan --- , United KingdomDrawing on a cultural perspective from the Global South, Notsie narrative, a West African literary folklore, we explore the high churn rate in the UK financial services industry. Viewing the storied accounts of former financial complaint handlers through a Notsie... -
Effects of form, fineness and placement of lime with and without soil tillage on barley and canola growth and development
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: JR van der Nest --- , South Africa AG Hardie --- , South Africa J Labuschagne --- , South Africa PA Swanepoel --- , South AfricaNo-tillage systems and slow movement of surface-applied limestone can lead to stratification of soil acidity. Incorporation of lime by tilling soil is not preferred by producers following conservation agriculture practices. There is limited research on ways to facilitate lime movement... -
Foliar fungicides provide chemical control of Fusarium head blight of wheat in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Gerhardus J van Coller --- , South Africa Frederik J Kloppers --- , South Africa Vicky M Coetzee --- , South Africa Toinette van Rooyen --- , South Africa Lindy J Rose --- , South Africa Sandra C Lamprecht --- , South Africa Altus Viljoen --- , South AfricaChemical control of a yield-limiting, quality-reducing wheat disease like Fusarium head blight (FHB) is an important management strategy; however, no fungicides are registered against it in South Africa. The aim of this study was to determine foliar fungicides and seed... -
Impact of cold plasma-mediated treatment on coated and packaged ‘Monterey’ strawberries during cold storage
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Zinash A Belay --- , South Africa Nandi E Nyamende --- , South Africa Oluwafemi James Caleb --- , South AfricaCold plasma technology has been used within the food industry for surface decontamination. Therefore, this study investigated the efficacy of low-pressure cold plasma (CP) treatment to decontaminate sodium alginate-coated and packaged ‘Monterey’ strawberries. Cold plasma treatment was carried out at... -
A Bat Hawk Macheiramphus alcinus pair preyed primarily on bats and birds that forage in clutter-edge and open-air habitat groups
Item type: Journal Article • Journal: African Zoology • Authors: G Malan --- , South Africa E Harris --- , South Africa T Harris --- , South Africa A Monadjem --- , EswatiniThis study aimed to analyse the diet of a pair of Bat Hawks Macheiramphus alcinus, based on regurgitated pellets, and the associated habitat-foraging groups that the prey species belonged to. A total of 908 regurgitated pellets were collected from underneath... -
Cinereous Vulture Aegypius monachus movements between Europe and Africa show a pattern across the Strait of Gibraltar
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Juan Ramírez --- Malaga University, Spain Javier Elorriaga --- , Spain Andrés de la Cruz --- Spanish Institute of Oceanography (IEO), Spanish National Research Council (CSIC), SpainThe biology of the Cinereous Vulture Aegypius monachus is well known across its breeding range, and the species’ dispersal and movements throughout Europe are widely recorded. However, the ecology of this vulture south of the Mediterranean Sea has been overlooked,... -
Hotel facilities’ management practices and employee performance in Kenya
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Simon O Were --- Masinde Muliro University of Science and Technology, Kenya Vincent N Maranga --- Kenyatta University, KenyaThis study investigated the efficacy of hotel facilities’ management practices on employee performance. A descriptive research survey was applied, while the study area was Nairobi County. The sampling techniques applied were a census, stratified, purposive and simple random sampling which... -
Sustainable development through the tourism sector: to what extent can sustainable tourism contribute to social justice for the local communities? A case study of the Grootbos Private Nature Reserve in South Africa
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Julia Brune --- University of Groningen, The NetherlandsThe United Nations Sustainable Development Goals promote global sustainable development. One significant part of the socially focused goals for sustainable development is social justice. Regarding this, the tourism sector has been heavily criticised for not adequately contributing to sustainable development,... -
Employee psychological well-being, transformational leadership and the future of hospitality jobs
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Laurens Alexander Walbeek --- NHL Stenden University of Applied Sciences, The Netherlands Georges El Hajal --- NHL Stenden University of Applied Sciences, The NetherlandsEmployee psychological well-being is a central concern for hospitality establishments as it impacts talent retention. This empirical research explores the relationship between transformational leadership and employee psychological well-being. This relationship is tested through a mediation model where transformational leadership is... -
Investigating the potential for saltpan restoration for the provision of multiple ecosystem services
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Johan Wasserman --- , South Africa Janine B Adams --- , South Africa Daniel A Lemley --- , South AfricaSaltpans are increasingly being abandoned around the world, leading to the loss of ecosystem services provided by these unique semi-natural wetlands. The desertion of a saltpan at the Swartkops Estuary, South Africa has left behind a large area of desiccated... -
Evaluating carbohydrate fractions and degradation kinetics of maize silages on different storage periods and the estimates of milk production
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Stela Näetzold Pereira --- , Brazil Julio Viégas --- , Brazil Larissa Luísa Schumacher --- , Brazil Tiago João Tonin --- , Brazil Leticia Lopes da Costa --- , Brazil Ana Betine Beutinger Bender --- , Brazil Micaela Jungbeck --- , BrazilThe objective of this study was to evaluate the effect of maize (Zea mays L.) carbohydrate contents and the estimates of milk production on different storage periods. The experimental design was completely randomised, with four treatments (storage time), each replicated... -
Patients in public hospitals received insufficient food to meet daily protein and energy requirements: Cape Town Metropole, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Marieke Theron --- University of Cape Town, South Africa Siobhan O’Halloran --- Institute of Basic Medical Sciences, University of Oslo, Norway -
The impact of COVID-19 on European global value chains: Some concerns about diversification and resilience
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Isabel Álvarez --- Instituto Complutense de Estudios Internacionales, Spain Antonio Biurrun --- Instituto Complutense de Estudios Internacionales, Spain Victor Martín --- Universidad Rey Juan Carlos & Instituto Complutense de Estudios Internacionales, SpainThe disruptions and supply problems caused by the COVID-19 pandemic in the European Union (EU) have raised several issues concerning the EU’s participation in Global Value Chains (GVC). One of the most discussed points in the current debate is the... -
Are fathers involved in diabetes management? A rapid review
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Simphiwe Hope Mathole --- North-West University, South Africa Elmari Deacon --- North-West University, South Africa Esmé van Rensburg --- North-West University, South AfricaThis rapid review aimed to synthesise the evidence on father involvement in managing their child's type 1 diabetes. We identified eight articles from EBSCO, Science Direct, Academic Search Premier, Psyclnfo, PsycArticles, and Google Scholar. Studies were included if they provided... -
The association between internal migration and teenage fertility control: A South African study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sibusiso Mkwananzi --- Institute for Gender Studies, University of South Africa, South AfricaThis study investigated the association between internal migration, as a form of residential mobility, and teenage fertility in South Africa. Data were from the 2001 and 2011 South African censuses, n 2001 = 335 065 and n 2011 = 316... -
Relationships between spacing, productivity and profitability of eucalypt plantations in a small rural property in south-eastern Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Gabriel Soares Lopes Gomes --- Universidade Federal do Espírito Santo, Brazil Sílvio Nolasco de Oliveira Neto --- Universidade Federal de Viçosa, Brazil Helio Garcia Leite --- Universidade Federal de Viçosa, Brazil Márcio Lopes da Silva --- Universidade Federal de Viçosa, Brazil Lucas Sérgio de Sousa Lopes --- Universidade Federal de Viçosa, Brazil Bruno Leão Said Schettini --- Universidade Federal de Viçosa, BrazilTree cultivation spacing can influence productivity and wood quality, with silvicultural, technological and economic implications. This study aimed to estimate the production and provide an economic analysis of Eucalyptus urophylla × Eucalyptus grandis stands as a function of planting spacing... -
Height growth strategies of Mimosa scabrella along a chronosequence
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Vinicius Costa Cysneiros --- Federal University of Paraná, Brazil Sebastião do Amaral Machado --- Federal University of Paraná, Brazil Allan Libanio Pelissari --- Federal University of Paraná, Brazil Edilson Urbano --- State University of Mato Grosso do Sul, Aquidauana University Unit, BrazilAssessing variations in tree allometry is useful for understanding height growth strategies in relation to life-history trajectories, light competition and environmental restrictions. Scaling exponent and asymptotic heights obtained from height–diameter (HD) models may elucidate how trees optimise growth strategies and... -
Patterns of fish distribution in tropical rock pools at Príncipe Island, Gulf of Guinea
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Azevedo e Silva --- University of Lisbon, Portugal AJ Almeida --- University of Lisbon, Portugal M Cravo --- University of Lisbon, Portugal MP Pais --- University of Lisbon, Portugal Y Santos --- , São Tomé e Príncipe J Paula --- University of Lisbon, PortugalLittle is known about the ichthyofauna from intertidal rock pools of the west coast of Africa, especially in the Gulf of Guinea. Rock pools are characteristic habitats of the intertidal zone of structurally complex rocky shores, adding important niche space... -
How and when paradoxical leadership fosters employee innovative behaviours: The role of proactive personality and work engagement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Liping Feng --- Renmin University of China, China Mengyi Li --- Renmin University of China, China Jianfeng Peng --- Renmin University of China, China Shiyong Xu --- Renmin University of China, China Wa Yang --- Renmin University of China, China Dongying Luo --- Renmin University of China, ChinaWe investigated the association between paradoxical leadership and employee innovative behaviours, and the role of proactive personality and work engagement in the relationship. Participants were 514 employees of a large Chinese internet company (female = 259; mean age = 29.85... -
Long-term experimental data and crop modelling to inform the ecological intensification of irrigated wheat production in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S Magwaza --- University of Pretoria, South Africa M van der Laan --- University of Pretoria, South Africa D Marais --- University of Pretoria, South AfricaWheat (Triticum aestivum L.) production is threatened by climate change and the decline in agricultural land available due to urbanisation, farmers switching to other crops, and environmental degradation. The aim of this study was to investigate the ecological intensification (EI)... -
Primary health care–family partnership for better diabetes outcomes of patients: a systematic review
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: MH Mphasha --- University of Limpopo, South Africa L Skaal --- University of Limpopo, South Africa TM Mothiba --- University of Limpopo, South Africa C Ngoatle --- University of Limpopo, South Africa LS Hlahla --- University of Limpopo, South Africa -
University-industry-government research and development collaborations in public higher education institutions in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sinqobile Sihlobo --- University of Pretoria, South Africa Sipho Mbatha --- Tshwane University of Technology, South AfricaThis paper explores the university, industry and government (UIG) research and development (R&D) collaborations that academia in South African higher education institutions (HEIs) with clothing-related programmes engage in. In the research on which the paper is based, Fashion, Consumer Science,... -
Human resources and innovation capability: Evidences from Nigeria food and beverage firms
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Helen Olubunmi Aderemi --- Obafemi Awolowo University, Nigeria Victor Oluwasina Sobanke --- National Centre for Technology Management (NACETEM), Nigeria Matthew Olugbemiga Ilori --- Obafemi Awolowo University, NigeriaHuman resources are recognized as the ultimate and most indispensable resource in economic development. In this study, an inquiry was made to ascertain the determinants of workers’ innovativeness. A survey of 229 respondents in food and beverage processing firms selected... -
Technology management practices and innovation: Empirical evidence from medium- and large-scale manufacturing firms in Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mesfin Mala Kalko --- Tomas Bata University in Zlin, Czech Republic Obsa Teferi Erena --- Hawassa University, Ethiopia Sara Adugna Debele --- Hawassa University, EthiopiaIn order to investigate empirically the effects of technology management on firm innovation, this paper considers the antecedents and multidimensional views of technology management mechanisms on innovation performance in medium- and large-scale manufacturing firms in a developing country, namely Ethiopia... -
The evaluation of immediate behavioural outcomes of the syndromic case management approach for the treatment of patients with sexually transmitted infections at PHC centres in South Africa: Knowledge, attitudes, beliefs and sexual behaviour
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Leickness Simbayi --- Behavioural and Social Aspects of HIV/AIDS, Human Sciences Research Council in South Africa, Anna Strebel --- Sekao-Headways Research Training and Development, Michelle Andipatin --- Department of Psychology, University of the Western Cape, Cheryl Potgieter --- Department of Psychology, Pretoria University, Kopano Ratele --- Psychology Department, University of the Western Cape, Nokuthula Shabalala --- Department of Psychology, University of the Western Cape, Tamara Shefer --- Women and Gender Studies Programme, University of the Western Cape, Tanya Wilson --- , South AfricaThis study aimed to determine the immediate behavioural outcomes of the WHO syndromic case management model for STIs in the public health sector in South Africa, on the levels of knowledge, attitudes and beliefs, and behavioural practices (KABPs) concerning STIs... -
Managing AIDS stigma
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: William L. Holzemer --- University of California, Leana R. Uys --- College of Health Sciences, University of KwaZulu-Natal,According to anecdotal reports, AIDS stigma and discrimination continue to influence people living with and affected by HIV disease as well as their health care providers, particularly in southern Africa where the burden of AIDS is so significant. Stigma is... -
The meaning and challenge of voluntary counselling and testing (VCT) for counsellors — report of the Kenya Association of Professional Counsellors (KAPC) conference for sub-Saharan Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Cecilia Rachier [CXX0001] Elias Gikundi [B0002] Don Balmer --- Senior Research Fellow, University of Durham, UK Maggie Robson --- School of Psychology, University of Keele, UK Kathryn Hunt --- University of Durham, UK Nonie Cohen --- Centre for Studies in Counselling, University of Durham, UKA large number of voluntary counselling and testing (VCT) sites are being opened in sub-Saharan Africa. The services provided by these sites are playing an increasingly important role in the prevention of HIV/AIDS. The sites offer many possibilities and it... -
The use of culturally themed HIV messages and their implications for future behaviour change communication campaigns: the case of Botswana
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Oleosi Ntshebe --- Department of Population Studies, University of Botswana, Joseph M.N. Pitso --- Department of Population Studies, University of Botswana, Alinah Kelo Segobye --- University of Botswana,The ‘ABC’ approach promoted at the beginning of the HIV/AIDS epidemic in Botswana has failed to yield significant behaviour change. Formative research was conducted in urban, semi-urban and rural areas to explore how the use of sociocultural messages depicted in... -
Assistance needed for the integration of orphaned and vulnerable children — views of South African family and community members
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Melvyn Freeman --- Social Aspects of HIV/AIDS and Health Research Programme of the HSRC, Nkululeko Nkomo --- Social Aspects of HIV/AIDS and Health Research Programme of the HSRC,Guardianship within families is often regarded as the most viable and preferred option for orphaned and vulnerable children (OVC). However, this will place a considerably increased burden on the new caregivers of these children. This study examines whether assistance to... -
The Farmer Life School: experience from an innovative approach to HIV education among farmers in South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Kees Swaans --- Athena Institute for Research on Innovation and Communication in Health and Life Sciences, VU University Amsterdam, the Netherlands Jacqueline Broerse --- Department Science Communication, Athena Institute for Research on Innovation and Communication in Health and Life Sciences, VU University Amsterdam, the Netherlands Monique Salomon --- Centre for Environment, Agriculture and Development (CEAD), University of KwaZulu-Natal, South Africa Maxwell Mudhara --- Farmer Support Group, Community Development and Outreach Division of the Centre for Environment, Agriculture and Development, University of KwaZulu-Natal, South Africa Makhosazana Mweli --- , South Africa Joske Bunders --- Athena Institute of the VU University Amsterdam, the NetherlandsThe Farmer Life School (FLS) is an innovative approach to integrating HIV education into life skills and technical training for farmers. This study aims to gain insight into the strengths and weaknesses of this relatively new approach, through the implementation... -
Provider-initiated HIV testing in health care settings: Should it include client-centered counselling?
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Susan M Kiene --- Medicine and Community Health (Research), Brown University, Michael Stein --- Medicine and Community Health, Brown University, USA Moses Bateganya --- Makerere University (Internal Medicine), Rhoda Wanyenze --- Makerere University School of Public Health-CDC HIV Fellowship Programme, Uganda Kenneth Mayer --- The Fenway Institute/Fenway Health, Haruna Lule --- Gombe Hospital, UgandaTo increase access to HIV testing, the WHO and CDC have recommended implementing provider-initiated HIV testing (PITC). To address the resource limitations of the PITC setting, WHO and CDC suggest that patient-provider interactions during PITC may need to focus on... -
Reaching the hearts and minds of illiterate women in the Amhara highland of Ethiopia: Development and pre-testing of oral HIV/AIDS prevention messages
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Gebeyehu W Bogale --- Educational Media Agency, Ethiopia Henk Boer --- University of Twente, The Netherlands Erwin R Seydel --- University of Twente, The NetherlandsIn the style of radio programmes, we developed three episodes of audio HIV prevention education for illiterate women in Ethiopia. We used social-oriented presentation formats, such as discussion between women on HIV prevention, and expert-oriented presentation formats, such as an... -
Gender differences regarding barriers and motivators of HIV status disclosure among HIV-positive service users
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Kebede Deribe --- , Ethiopia Kifle Woldemichael --- Department of Epidemiology, Jimma University, Bernard Joseph Njau --- Department of Community Health, Kilimanjaro Christian Medical College, Bereket Yakob --- NASTAD Global Programme, Ethiopia Sibhatu Biadgilign --- John Hopkins University-Technical Support for the Ethiopian HIV/AIDS ART Initiative, Alemayehu Amberbir --- Division of Epidemiology and Public Health, University of Nottingham,There are inconsistent findings about the relation between gender and HIV status disclosure. We conducted a facility-based cross-sectional study, using qualitative and quantitative data collection methods, to explore gender differences in HIV-positive status disclosure among service users in south-west Ethiopia... -
‘When I get better I will do the test’: Facilitators and barriers to HIV testing in Northwest Region of Cameroon with implications for TB and HIV/AIDS control programmes
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Nwarbébé Barnabas Njozing --- Public Health at the Division of Epidemiology and Global Health, Umeå University, Sweden Kerstin E Edin --- Unit for Epidemiology and Global Health, Department of Public Health and Clinical Medicine, Umeå Centre of Gender Studies, University, Anna-Karin Hurtig --- Public Health at the Division of Epidemiology and Global Health, Umeå University, SwedenThe World Health Organization has recommended collaborative activities between TB and HIV programmes with routine counselling and testing for HIV among TB patients in order to improve the uptake of HIV services. We carried out qualitative research interviews with 21... -
Determinants of extramarital sex by men in Tanzania: A case study of Mbeya region
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Maurice CY Mbago --- Department of Statistics and Member of the Demographic Training Unit, University of Dar es Salaam, Tanzania Francis J Sichona --- Department of Statistics and Member of the Demographic Training Unit, University of Dar es Salaam, TanzaniaThis paper attempts to identify some factors associated with extramarital sex by men in the Mbeya region of Tanzania using data from a survey conducted in 2003/2004. The choice of Mbeya region was prompted by the fact that it has... -
HIV counselling and testing utilisation and attitudes of male inmates in a South African prison
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Lelaka C Motshabi [B0001] Supa Pengpid --- Department of Health System Management and Policy, University of Limpopo, South Africa Karl Peltzer --- Human Sciences Research Council, South AfricaThe Department of Correctional Services Policy on the management of HIV and AIDS for offenders include voluntary counselling and testing (VCT) for HIV as one of the priorities in the rehabilitation of inmates. The aim of this study was to... -
Modelling level, trend and geographical variations in stigma and discrimination against people living with HIV/AIDS in Nigeria
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Samson B Adebayo --- Monitoring and Evaluation Division, Society for Family Health, Richard Fakolade [B0002] Jennifer Anyanti --- Society for Family Health, Bright Ekweremadu --- Society for Family Health, Olaronke Ladipo --- Society for Family Health, Augustine Ankomah --- Applied Population Research, University of Exeter, UKPeople living with HIV and AIDS (PLHA) often face stigma and discrimination. Stigma is a powerful tool for social control and PLHA are to varying degrees stigmatised against. Consequences of stigma and discrimination against PLHA may result in low turn-out... -
Perceptions of door-to-door HIV counselling and testing in Botswana
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Karen Kroeger --- US Centers for Disease Control and Prevention (CDC), Allan W Taylor --- US Centers for Disease Control and Prevention (CDC), Heather M Marlow --- University of North Carolina at Chapel Hill, USA Douglas T Fleming --- Bristol-Myers Squib Company, USA Vanessa Beyleveld --- Premiere Personnel, Botswana Mary Grace Alwano --- CTS Global Inc., Mabel Tebogo Kejelepula --- Ministry of Health, Botswana Kentsenao Busang Chilume --- Botswana National AIDS Coordination Agency, Botswana Dawn K Smith --- US Centers for Disease Control and Prevention (CDC), Thierry Roels --- CDC's Division of Global HIV/Aids Programme, Peter Kilmarx --- US Centers for Disease Control and Prevention (CDC), ZimbabwePrevalence of HIV infection in Botswana is among the highest in the world, at 23.9% of 15 – 49-year-olds. Most HIV testing is conducted in voluntary counselling and testing centres or medical settings. Improved access to testing is urgently needed... -
An evaluation of a refresher training intervention for HIV lay counsellors in Chongwe District, Zambia
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Charles Msisuka --- , Zambia Ikuma Nozaki --- National Center for Global Health and Medicine, Japan Kazuhiro Kakimoto --- Osaka Prefecture University, Motoko Seko --- Japan International Cooperation Agency (JICA), Japan Mercy M S Ulaya --- National AIDS Council, ZambiaTo address a severe shortage of human resources for health, the Zambian Ministry of Health has begun to make use of lay counsellors for HIV counselling and testing. However, their skills and knowledge rarely have been reviewed or refreshed. We... -
Risk factors associated with HIV infection among young persons aged 15–24 years: Evidence from an in-depth analysis of the 2005–06 Zimbabwe Demographic and Health Survey
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Joshua Kembo [d118e18]This study focuses on factors that predispose young persons aged 15–24 years in Zimbabwe to infection from HIV. Using the Mosley and Chen framework, multivariate modelling was used to assess the effect of demographic, socio-economic and behavioural factors on the... -
The social construction of identity in HIV/AIDS home-based care volunteers in rural KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Thirusha Naidu [d128e18] Yvonne Sliep Wenche DageidHome-based care volunteer (HBCV) identity and how it is shaped was the main focus of the study. Fifteen HBCVs were interviewed about their work and personal life stories and then interviewed reflectively using a narrative interviewing style. Specific attention was... -
Sanctuary or double-edged sword? Challenges confronting adolescents living at Nkosi's Haven in Johannesburg, South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Nkosiyazi Dube Eleanor Ross [d59e26]Living in an institution associated with HIV and AIDS is likely to exacerbate difficulties experienced by teenagers who have to cope with the normal stresses of adolescence. The aim of the study was to explore the challenges that adolescents living... -
Efficacy of a lay health worker led group antiretroviral medication adherence training among non-adherent HIV-positive patients in KwaZulu-Natal, South Africa: Results from a randomized trial
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Karl Peltzer [d77e18] Shandir Ramlagan Deborah Jones Stephen M. Weiss Henry Fomundam Lucia ChanetsaThere is a lack of theory-based randomized controlled trials to examine the effect of antiretroviral adherence in sub-Saharan Africa. We assessed the effectiveness of a lay health worker lead structured group intervention to improve adherence to antiretroviral therapy (ART) in... -
HIV-related symptoms and management in HIV and antiretroviral therapy patients in KwaZulu-Natal, South Africa: A longitudinal study
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Karl Peltzer --- , South AfricaAim: The study aimed to determine the prevalence, predictors, and self-reported management of HIV- or ARV-related symptoms among HIV patients prior to antiretroviral therapy (ART) and over three time points while receiving ART in KwaZulu-Natal, South Africa. Method: A total... -
Disclosure in times of ART: A relational analysis of social practices
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Anita Hardon [d327e18] Alice Desclaux Joe LugallaThe reach of HIV counseling and testing has grown rapidly since the 2000s, particularly since 2007 when provider-initiated counseling and testing was implemented alongside voluntary counseling and testing and testing for the prevention of mother-to-child transmission. Nevertheless, we still know... -
The social and gender context of HIV disclosure in sub-Saharan Africa: A review of policies and practices
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Sarah Bott Carla Makhlouf Obermeyer [d314e29]This paper reviews the legal and policy context of HIV disclosure in sub-Saharan Africa, as well as what is known about rates, consequences and social context of disclosure, with special attention to gender issues and the role of health services... -
Partager l'information sur son statut sérologique VIH dans un contexte de polygamie au Sénégal
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Khoudia Sow [d345e18]In Senegal, where HIV prevalence is less than 1% and stigma remains important, 40% of marriages are polygamic. The purpose of this article is to describe and analyze the motivations, benefits and constraints related to HIV disclosure, and to explore... -
Disclosure of HIV status between parents and children in Uganda in the context of greater access to treatment
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: David Kyaddondo [d332e18] Rhoda K. Wanyenze John Kinsman Anita HardonWhile disclosure of HIV sero-status is encouraged in the management of the HIV and AIDS epidemic, it remains a challenge, especially among family members. This article examines the moral dilemmas and pragmatic incentives surrounding disclosure of HIV status in contemporary... -
The duty to disclose in Kenyan health facilities: a qualitative investigation of HIV disclosure in everyday practice
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Eileen Moyer [d338e14] Emmy Kageha Igonya Rosalijn Both Peter Cherutich Anita HardonDisclosure of HIV status is routinely promoted as a public health measure to prevent transmission and enhance treatment adherence support. While studies show a range of positive and negative outcomes associated with disclosure, it has also been documented that disclosing... -
Le conseil post-test encourage-t-il les PVVIH à partager leur statut sérologique? Pratiques et suggestions des conseillers au Burkina Faso
Does post-test counseling support PLHIV in disclosing their HIV status? Practices and propositions by counselors in Burkina Faso Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Odette Ky-Zerbo [d309e18] Jean-François Somé Fodé SimagaDisclosure of HIV test results is discussed during post-test counseling, following norms. However, while barriers to disclosing a positive HIV result have been documented, the literature is sparse on the way guidelines are applied in the field. The aim of... -
L'annonce du statut VIH de l'enfant : expériences des mères et interprétations des soignants au Burkina Faso
Disclosure of infant HIV status: mothers' experiences and health workers' interpretations in Burkina Faso Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Alice Desclaux [d305e18] Chiara AlfieriL'annonce du statut sérologique d'un enfant constitue une situation particulière qui ne peut pas obéir aux recommandations générales pour le counseling définies pour des adultes; elle est très peu normée. Alors que les programmes de Prévention de la Transmission Mère-Enfant... -
Understanding of the risk of HIV infection among the elderly in Ga-Rankuwa, South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Eucebious Lekalakala-Mokgele --- , , South AfricaThe literature pertaining to the elderly shows that HIV infection among this population is on the increase, suggesting that the elderly population engages in activities risky for HIV infection. Reports on such behaviour include frequent sexual relations with much younger... -
Perceptions about the acceptability and prevalence of HIV testing and factors influencing them in different communities in South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Yoliswa Ntsepe --- , , South Africa Leickness C. Simbayi --- , , South Africa Olive Shisana --- , South Africa Thomas Rehle --- , , South Africa Musawenkosi Mabaso --- , , South Africa Nolusindiso Ncitakalo --- , , South Africa Alicia Davids --- , , South Africa Yogandra Dhee Naidoo --- , , South AfricaHIV counselling and testing (HCT) is considered important because it is an entry point to a comprehensive continuum of care for HIV/AIDS. The South African Department of Health launched an HCT campaign in April 2010, and this reached 13,269,746 people... -
‘Dented’ and ‘Resuscitated’ masculinities: The impact of HIV diagnosis and/or enrolment on antiretroviral treatment on masculine identities in rural eastern Uganda
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Godfrey E. Siu --- , Uganda Daniel Wight --- , United Kingdom Janet Seeley --- , , United KingdomThere is limited research on the impact of HIV or its treatment on men's identity construction and gender roles in sub-Saharan Africa. Based on in-depth research with 26 men in rural Uganda, this article discusses men's vulnerabilities and shifting gender... -
Expanding the prevention armamentarium portfolio: A framework for promoting HIV-Conversant Communities within a complex, adaptive epidemiological landscape
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Christopher J. Burman --- , , South Africa Marota Aphane --- , , South Africa Oliver Mtapuri --- , , South Africa Peter Delobelle --- , , South AfricaThe article describes a design journey that culminated in an HIV-Conversant Community Framework that is now being piloted in the Limpopo Province of South Africa. The objective of the initiative is to reduce the aggregate community viral load by building... -
How peer conversations about HIV/AIDS media messages affect comprehension and beliefs of young South African women
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: E. Lubinga --- , , South Africa A.A. Maes --- , , The Netherlands C.J.M. Jansen --- , , South AfricaMost existent research on the effects of interpersonal discussions about health campaign messages is based on surveys. In this study, we analysed actual conversations about an HIV/AIDS poster to find out possible effects. Young South African women in 59 dyads... -
When the clinic becomes a home. Successful VCT and ART services in a stressful environment
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Jonathan Mensah Dapaah --- , , Ghana Rachel Spronk --- , , The NetherlandsWith the upscaling of antiretroviral therapy (ART) in resource-poor countries, many HIV-positive persons in Ghana have been accessing treatment in hospitals. Prevalence is relatively low compared to other African countries, 1.30%. HIV/AIDS remains heavily stigmatised in Ghana, which influences the... -
A mobile school-based HCT service – is it youth friendly?
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Estelle Lawrence --- , , South Africa Patricia Struthers --- , , South Africa Geert Van Hove --- , , BelgiumBackground: Despite an increase in HIV Counselling and Testing (HCT), few young people have been tested. It has been suggested that they do not test because formal health services (where HCT is provided) are often not youth friendly. The World... -
‘I thought if I marry the prophet I would not die’: The significance of religious affiliation on marriage, HIV testing, and reproductive health practices among young married women in Zimbabwe
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Denise Dion Hallfors --- , USA Bonita J. Iritani --- , USA Lei Zhang --- , USA Shane Hartman --- , USA Winnie K. Luseno --- , USA Elias Mpofu --- , , Australia Simbarashe Rusakaniko --- , , ZimbabweThis study examines the association between religious affiliation and reasons for marriage, perceived church attitudes, and reproductive health-seeking behaviors, including HIV testing, among young women in eastern rural Zimbabwe. The sample comprised women (N = 35) who had married by 2012 while... -
Policy-maker attitudes to the ageing of the HIV cohort in Botswana
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Kabo Matlho --- , , Australia Refelwetswe Lebelonyane --- , Botswana Tim Driscoll --- , , Australia Joel Negin --- , , AustraliaBackground: The roll out of antiretroviral therapy in Botswana, as in many countries with near universal access to treatment, has transformed HIV into a complex yet manageable chronic condition and has led to the emergence of a population aging with... -
Invisible work: Child work in households with a person living with HIV/AIDS in Central Uganda
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Julie Abimanyi-Ochom --- , , Australia Brett Inder --- , , Australia Bruce Hollingsworth --- , , UK Paula Lorgelly --- , , AustraliaBackground: HIV/AIDS has led to increased mortality and morbidity, negatively impacting adult labour especially in HIV/AIDS burdened Sub-Saharan Africa. There has been some exploration of the effects of HIV/AIDS on paid child labour, but little empirical work on children’s non-paid... -
Modelling self-assessed vulnerability to HIV and its associated factors in a HIV-burdened country
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: A. F. Fagbamigbe --- , , South Africa A. M. Lawal --- , , South Africa E. S. Idemudia --- , , South AfricaBackground: Globally, individuals’ self-assessment of vulnerability to HIV infection is important to maintain safer sexual behaviour and reduce risky behaviours. However, determinants of self-perceived risk of HIV infection are not well documented and differ. We assessed the level of self-perceived... -
Fighting against HIV and AIDS within a resource constrained rural setting: a case study of the Ruvheneko Programme in Chirumhanzu, Zimbabwe
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Christina Tafadzwa Dzimiri --- , , South Africa Patrick Dzimiri --- , , South Africa Kezia Batisai --- , , South AfricaSince reports of the first incidence of the HIV virus in Zimbabwe in 1985, the epidemic has negatively impacted on every facet of human security. Rural areas, by virtue of being the periphery and constrained in terms of resources and... -
A qualitative evaluation of a stress management programme for HIV and AIDS home-based care workers in Tshwane, South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: P. M. Kupa --- Department of Social Work & Criminology, University of Pretoria, South Africa L. S. Geyer --- Department of Social Work & Criminology, University of Pretoria, South AfricaThe HIV and AIDS pandemic resulted in increased demands on the South African healthcare system and contributed to elevated stress levels among healthcare workers, including home-based care workers. The goal of the study was to evaluate a stress management programme... -
Adult male aggression towards juvenile males in the large‐scaled girdled lizard, cordylus macropholis
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: CaraJ. Nieuwoudt --- University of Stellenbosch, South Africa P. le FrasN. Mouton --- University of Stellenbosch, South Africa AlexanderF. Flemming --- University of Stellenbosch, South AfricaAgonistic behaviour and differences in adult male behaviour towards male and female juveniles were investigated in Cordylus macropholis during the mating season. Encounters (N = 7 in all cases) were staged between adult males, between adult males and juvenile males,... -
Herpetofaunal utilisation of riparian buffer zones in an agricultural landscape near Mtunzini, South Africa
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: Bryan Maritz --- University of the Witwatersrand, South Africa GrahamJ. Alexander --- University of the Witwatersrand, South AfricaWe measured herpetofaunal species richness and abundance in riparian and non‐riparian habitats of an agriculture‐dominated landscape to compare herpetofaunal utilisation of these two habitat types. Riparian areas hosted higher mean species richness and abundance than non‐riparian areas. Riparian and non‐riparian... -
Within and between‐site distribution of frog species on the Udzungwa Plateau, Tanzania
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: Lucinda Lawson --- University of Chicago, David Moyer --- Wildlife Conservation Society,Amphibian distribution and abundance patterns are linked with environmental factors that define the suitable habitat for each species on both macro and micro scales. Determining the distribution and habitat requirements of species is a necessary first step in monitoring population... -
Age structure in the false tomato frog Dyscophus guineti from eastern Madagascar compared to the closely related D. antongilii (Anura, Microhylidae)
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Giulia Tessa --- Università degli Studi, Italy FabioM. Guarino --- Università di Napoli Federico II, Italy JasminE. Randrianirina --- Parc Botanique et Zoologique de Tsimbazaza, Faune, Madagascar Franco Andreone --- Museo Regionale di Scienze Naturali, Zoology, ItalyThe false tomato frog, Dyscophus guineti, is an endemic species of eastern Madagascar, typically found in open and swampy areas of mid-elevation forests. We measured 62 females and 70 males from a population from Marovato, next to Brickaville. Snout-vent length... -
The effects of temperature on oxygen consumption in the lizard Pseudocordylus melanotus from Suikerbosrand Nature Reserve
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Suzanne McConnachie --- , , South AfricaIn reptiles, metabolic rate (MR) is affected by many different factors, including temperature, sex, body size and digestive state. Standard MR was measured for the lizard Pseudocordylus melanotus over a range of temperatures (20, 22, 25, 30 and 32°C). I... -
The political economy of bilateral aid: African development and the manufacture of consent
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Peter Blunt --- University of New South Wales, Australia Cecilia Escobar --- Independent Researcher and Consultant, Greece Vlassis Missos --- University of Athens, GreeceThis paper discusses implications for African development arising from our analysis of the political economy of bilateral aid (Blunt, 2023). We argue that the existential threats posed to life on Earth by global warming and nuclear war are a product... -
Are environmental conditions in the eyes of the beholder? Foreign and local firms in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Lilac Nachum --- Baruch College, City University New York, USA Chris Ogbechie --- Lagos Business School, NigeriaInternational business research has provided substantial empirical evidence that foreign firms investing in countries with adverse environmental conditions may emerge as the main competitors in those countries. Against this backdrop, the dominance of local banks in Nigeria is puzzling. Our... -
Evaluation of the quality constructs of a tax management system based on DeLone and McLean IS success model
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Godwin Banafo Akrong --- School of Management and Economics (UESTC), University of Electronic Science and Technology, People’s Republic of China Yunfei Shao --- School of Management and Economics (UESTC), University of Electronic Science and Technology, People’s Republic of China Ebenezer Owusu --- University of Ghana, GhanaWe presented a novel method to analyze the impact tax management systems have on users (individual impact) in this study. The interrelationship among the three information system (IS) quality constructs is examined. The study is based on the evaluation undertaken... -
Spatio-temporal status of vegetation, soil and cattle serum minerals in degraded communal rangelands of the Eastern Cape, South Africa: implications for livestock sustainability and management interventions
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Nangamso Mlaza --- University of Fort Hare, South Africa Solomon Tefera --- University of Fort Hare, South Africa Abubeker Hassen --- University of Pretoria, South AfricaIn this study, we examined forage, soil and cattle serum mineral status, and their relationships in severely (SD) and less severely (LSD) degraded rangelands, South Africa. Such evidence is essential to inform rangeland policies and interventions. In each rangeland, three... -
Participatory inventory and nutritional evaluation of local forage resources for smallholder free-range beef production in semi-arid areas of South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ayanda Nyambali --- University of Fort Hare, South Africa Julius T Tjelele --- Animal Production Institute, South Africa Mthunzi Mndela --- Animal Production Institute, South Africa Cletos Mapiye --- Stellenbosch University, South Africa Phillip Strydom --- Stellenbosch University, South Africa Emiliano Raffrenato --- Stellenbosch University, South Africa Kennedy Dzama --- Stellenbosch University, South Africa Voster Muchenje --- University of Fort Hare, South Africa Ntuthuko Mkhize --- Animal Production Institute, South AfricaFeed scarcity is a major challenge facing free-range beef farming in semi-arid areas. Specifically, low quality and quantity of forage in rangelands and higher feeding costs are the main constraints limiting smallholder free-range beef farmers’ participation in mainstream beef markets... -
Transhumance pastoralism in West Africa – its importance, policies and challenges
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Eric Cofie Timpong-Jones --- Livestock and Poultry Research Centre (LIPREC), University of Ghana, Ghana Igshaan Samuels --- University of the Western Cape, South Africa Felix Owusu Sarkwa --- Livestock and Poultry Research Centre (LIPREC), University of Ghana, Ghana Kwame Oppong-Anane --- Oporhu Agricultural and Rural Development Consultancy Ltd, Ghana Ayodele Oluwakemi Majekodumni --- Food and Agriculture Organization of the United Nations (FAO), NigeriaThe Economic Community of West African States (ECOWAS) recognises transhumance pastoralism as a beneficial livestock production system that can contribute to food security together with economic and political stability. Thus, the subregional bloc put together the ECOWAS Protocol on Transhumance... -
The relationship of a weight-efficacy lifestyle with anthropometric indices among middle-aged Iranian women
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Mahbobeh Kianfar --- Ahvaz Jundishapur University of Medical Sciences, Iran Poorandokht Afshari --- Ahvaz Jundishapur University of Medical Sciences, Iran Parvin Abedi --- Ahvaz Jundishapur University of Medical Sciences, Iran Mohammadhossein Haghighizadeh --- Ahvaz Jundishapur University of Medical Sciences, IranBackground: Overweight or obese middle-aged women are at a greater risk of chronic diseases. This study aimed to evaluate the relationship between a weight-efficacy lifestyle and anthropometric indices in middle-aged women. -
The use of monitoring data and community feedback mechanisms to increase HIV testing among men during a cluster-randomised community mobilisation trial in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Rebecca L West --- University of California San Francisco, USA Rhandzekile Mathebula --- , South Africa Dumisani Rebombo --- , South Africa Rhian Twine --- University of the Witwatersrand, South Africa Aimée Julien --- University of Antwerp, Belgium Nkosinathi Masilela --- University of the Witwatersrand, South Africa Mi-Suk Kang Dufour --- University of California San Francisco, USA Dean Peacock --- , South Africa Kathleen Kahn --- University of the Witwatersrand, South Africa Audrey Pettifor --- University of the Witwatersrand, South Africa Sheri A Lippman --- University of California San Francisco, USAThis short communication describes the development and implementation of a programme monitoring and feedback process during a cluster-randomised community mobilisation intervention conducted in rural Bushbuckridge, Mpumalanga, South Africa. Intervention activities took place from August 2015 to July 2018 with the... -
Crossing the Boundary: An Investigation of Transnationalism, Transculturalism and Transracial Marriages in Jane Katjavivi’s Undisciplined Heart and Trudie Amulungu’s Taming My Elephant
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Selma K. Shiyoka --- University of Namibia, Namibia Nelson Mlambo --- University of Namibia, NamibiaThe focus of this paper is to explore the literary portrayal of transnational identities, transculturalism and transracial marriages as presented by two expatriate female writers who have made their niche in the postcolonial Namibian autobiographical (sub) genre, namely, Taming My... -
Employee perceptions of key retention factors in the mining industry: A qualitative study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lehlogonolo Hadebe --- University of South Africa, South Africa Cebile Tebele --- University of South Africa, South Africa Elzabé Nel --- University of South Africa, South AfricaDespite the significant challenges faced by its employees, the South African mining industry continues to contribute to the economy. This study explored employee retention factors in the South African mining industry from the perspective of high-performing employees. Five high-performing employees... -
La Cuisine Pied Noir: wandering in “nostalgia-scape”
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Rainer Maria Wieshammer --- , Klaes Eringa --- ,The year 1962 marked the end of the colonial occupation of Algeria by France after more than 130 years. In the wake of a bloody war of independence, nearly 700 000 former European settlers left their old homeland under dramatic... -
The value relevance of mandatory sustainability reporting assurance
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Maher Jeriji --- IHEC – University of Carthage, Tunisia Ala Nasfi --- Montpellier University, FranceSustainability reporting assurance (SRA) ensures the credibility of sustainability information disclosed by companies. This practice has continued to evolve, particularly within regulatory frameworks. The SRA is widespread among the largest French and South African companies because of the requirements of... -
The effect of crop rotation and tillage practice on residue decomposition and wheat performance in the Western Cape, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Johannes Stephanus Theron --- Stellenbosch University, South Africa Gerhardus Johannes van Coller --- , South Africa Lindy Joy Rose --- Stellenbosch University, South Africa Johan Labuschagne --- Stellenbosch University, South Africa Pieter Andreas Swanepoel --- Stellenbosch University, South AfricaConservation agriculture relies on residue retention, crop rotation and reduced tillage. Crop rotation determines residue type, while tillage affects residue load and distribution. Although crop residue retention is often beneficial, residues can create challenges, including obstruction of planters during establishment... -
Average Hewitt-Stromberg and box dimensions of typical compact metric spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Bilel Selmi --- University of Monastir, TunisiaThe main aim of this paper is to study average Hewitt-Stromberg and box dimensions of typical compact metric spaces belonging to the Gromov-Hausdorff space equipped with the Gromov-Hausdorff metric. -
Heartwood formation and its relationship with basic density and green moisture content of young small-leaf mahogany trees
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Rizki Arisandi --- Universitas Gadjah Mada, Indonesia Sri Nugroho Marsoem --- Universitas Gadjah Mada, Indonesia Johanes Pramana Gentur Sutapa --- Universitas Gadjah Mada, Indonesia Ganis Lukmandaru --- Universitas Gadjah Mada, IndonesiaSwietenia mahogani (L.) Jacq. is one of Indonesia’s commercially valuable timbers. We investigated the time or age at which heartwood formation begins, and observed and determined whether the occurrence of heartwood formation was affected by age or diameter. The presence... -
Blow-up of solutions for a wave equation with nonlinear averaged damping and nonlocal nonlinear source terms
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Qingying Hu --- Henan University of Technology, China Donghao Li --- Henan University of Technology, China Shuo Liu --- Henan University of Technology, China Hongwei Zhang --- Henan University of Technology, ChinaThe initial-boundary value problem for a wave equation with nonlinear averaged damping and nonlocal nonlinear source term is considered. We provide the sufficient conditions of finite time blow-up for weak solutions with suitable conditions on initial data by an ordinary... -
Reconciling National and Communal Identity in Kenya through the Asian African Heritage Exhibit
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Chepchirchir Tirop --- Stanford University, USAIn the context of contemporary questions of identity and belonging, this paper examines the Asian African Heritage museum exhibit at the Nairobi Museum. The exhibit is an attempt by members of the Indian community to solidify their place in Kenya... -
Representations of Indian Ocean Ecologies, Heritage and Kinship in Banaadiri Fishing Poems and Owuor's The Dragonfly Sea
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Ayan Salaad --- University of Southampton, UKThis article brings Yvonne Owuor’s 2019 novel The Dragonfly Sea into conversation with nine Banaadiri fishing poems called geeraarro, a form of classical Somali oral poetry in the maanso category. I explore the ways in which ideas of labour, kinship,... -
Nonlinear dependencies in the Fama and French three-factor model
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Jakub Bandurski --- University of Warsaw, Poland Łukasz Postek --- University of Warsaw, PolandThis article addresses the topic of nonlinear dependencies in the Fama and French three-factor model. Five time-series models, including nonlinear terms, are assessed using US and European data and compared with a benchmark linear model. The analysis found that nonlinear... -
Core self-evaluations and job embeddedness: Influences on career adaptability and work engagement in Nigerian public sector employees
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Cornelius O. Okorie --- Alex Ekwueme Federal University, Nigeria Felix M. Nwankwo --- Alex Ekwueme Federal University, Nigeria Harrison O. Iwuala --- Alex Ekwueme Federal University, Nigeria Moses O. Agudiegwu --- Alex Ekwueme Federal University, Nigeria Samuel O. Nnadi --- Alex Ekwueme Federal University, Nigeria Joseph O. Nkwede --- Ebonyi State University, Nigeria Charles K. Nwachukwu --- Alex Ekwueme Federal University, Nigeria Christopher C. Arua --- Alex Ekwueme Federal University, Nigeria Kenneth T. Osuebi --- Alex Ekwueme Federal University, Nigeria Ernest N. Ejem --- Alex Ekwueme Federal University, Nigeria Emmanuel S. Chigbata --- Alex Ekwueme Federal University, NigeriaThis study examined the mediation effect of job embeddedness and the moderating effect of core self-evaluation in the relationship between career adaptability and work engagement among a sample of 387 employees of 12 local government areas of Nigeria (female =... -
Physical and psychosocial aspects of healthy ageing and HIV status among older adults in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- University of the Free State, South Africa Refilwe N. Phaswana-Mafuya --- South African Medical Research Council/University of Johannesburg (SAMRC/UJ) - Pan African Centre for Epidemics Research (PACER) Extramural Unit, South AfricaThe study aimed to assess the prevalence by type of psychosocial associations with healthy ageing among older adults by HIV status in South Africa. We analysed data from the 2017 South African National HIV Prevalence, Incidence, Behaviour, and Communication Survey... -
Preliminary revision and validation of the Human Resource Attributions Scale
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Haitao Zheng --- , China Xinqi Lin --- Renmin University of China, China He Ding --- North China Electric Power University, China Weilin Su --- Capital Normal University, ChinaThis study aimed to revise and validate the Human Resources Attributions (HRAs) scale for use in a Chinese context. 480 Chinese employees from a financial organisation completed the survey (female = 55.3%; bachelor’s degree = 70%; mean age = 36.4... -
Work engagement and job-related well-being: The moderation by public service work motivation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Zhi Li --- Chongqing University, China Ni Chen --- Chongqing University, ChinaThis study examined the relationship between civil servants’ work engagement and job-related well-being, and how it is moderated by work motivation. Participant were 496 Chinese civil servants (female = 41.7%; mean age = 40.5 years, SD = 14.14 years, 93.3%... -
Sunning in Yellow Bishops Euplectes capensis
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: H Dieter Oschadleus --- University of KwaZulu-Natal, South Africa Philipp H Boersch-Supan --- , United KingdomTwo photographic records of a Yellow Bishop Euplectes capensis apparently sunning, at the West Coast National Park, South Africa, are described. There are very few records of sunning in weavers, and this is the first record for this species. -
Examining leaders’ emotional intelligence as a distal antecedent of employee engagement: The role of employee voice and trust in direct leadership
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Okechukwu Ethelbert Amah --- Pan-Atlantic University,The study investigated leaders’ emotional intelligence (EI) as a distal antecedent of employee engagement, using employee voice and trust in direct leadership as mediating variables. Based on the Affective Event Theory, the study recognized the emotional intelligence of leaders as... -
A research agenda for African smart public value governance – Insights from a webinar series
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Emamdeen Fohim --- University of Bern, Switzerland Adeelah Kodabux --- Middlesex University Mauritius, Mauritius Amar Seeam --- Middlesex University Mauritius, MauritiusThe article discusses key insights gained from a webinar series that the authors of this article launched when founding the “Centre for African Smart Public Value Governance” (C4SP). As a research centre that aims to improve the quality of public... -
Call centre support staff job crafting and employee engagement: Controlling the effects of sociodemographic characteristics
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Dudu Mkhwanazi --- University of Johannesburg, South Africa Nelesh Dhanpat --- University of Johannesburg, South AfricaThe study explored job crafting (task, cognitive, and relational crafting) and work engagement (vigour, absorption, and dedication) among support staff within a financial services call centre in the Gauteng province, South Africa. The participants (n = 213; female = 54.9%;... -
Genetic analysis of Panicum coloratum var. makarikariense caryopsis retention
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: María FM Lirusso --- Instituto de Investigaciones en Ciencias Agrarias de Rosario, Universidad Nacional de Rosario, Argentina Florencia I Pozzi --- Instituto de Investigaciones en Ciencias Agrarias de Rosario, Universidad Nacional de Rosario, Argentina Guillermo R Pratta --- Instituto de Investigaciones en Ciencias Agrarias de Rosario, Universidad Nacional de Rosario, Argentina Silvina A Felitti --- Instituto de Investigaciones en Ciencias Agrarias de Rosario, Universidad Nacional de Rosario, ArgentinaPanicum coloratum is a species of C4 type grass native to South Africa. In Argentina, it is valued for its production of good quality forage in environments where resources are limiting, although it is infrequently cultivated in livestock systems. The... -
Forage yield, competition and economic benefit of intercropping cactus and millet with mulch in a semi-arid environment
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Marcondes de Sá Souza --- Universidade Federal Rural de Pernambuco, Brasil George do Nascimento Araújo Júnior --- Universidade Federal Rural de Pernambuco, Brasil Luciana Sandra Bastos de Souza --- Universidade Federal Rural de Pernambuco, Brasil Alexandre Maniçoba da Rosa Ferraz Jardim --- Universidade Federal Rural de Pernambuco, Brasil Gabriel Italo Novaes da Silva --- Universidade Federal Rural de Pernambuco, Brasil Gherman Garcia Leal de Araújo --- , Brasil Fleming Sena Campos --- , Brasil Maurício Luiz de Mello Vieira Leite --- Universidade Federal Rural de Pernambuco, Brasil José Nildo Tabosa --- Instituto Agronômico de Pernambuco, Brasil Thieres George Freire da Silva --- Universidade Federal Rural de Pernambuco, BrasilThis study aimed to quantify forage yield, economic performance, biological efficiency and competitive ability in cactus intercropped with millet, compared with their monocrops, both with and without mulch, under irrigation. The experiment was conducted over two years in semi-arid of... -
Bromatological and histological features of native African grasses under grazing in Brazilian semi-arid rangelands
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Talita Roberta Firemand de Lira Menor --- Universidade Federal Rural de Pernambuco, Brazil Mércia Virginia Ferreira dos Santos --- Universidade Federal Rural de Pernambuco, Brazil Janerson José Coêlho --- Universidade Federal Rural de Pernambuco, Brazil Geane Dias Gonçalves --- Universidade Federal Rural de Pernambuco, Brazil Alexandre Carneiro Leão de Mello --- Universidade Federal Rural de Pernambuco, Brazil Márcio Vieira da Cunha --- Universidade Federal Rural de Pernambuco, Brazil Amanda Maria Gallindo dos Santos --- Universidade Federal Rural de Pernambuco, Brazil Ivan Ferraz --- Instituto Agronômico de Pernambuco, Brazil José Carlos Batista Dubeux Júnior --- University of Florida, United StatesThis study evaluated the bromatological and histological features of native African grasses under grazing in Brazilian semi-arid rangelands. An experimental grid design was used in a randomised sampling method for four replicate samples of three African grasses. The grasses evaluated... -
Biological and life-history parameters for Labeo rosae Steindachner, 1894 and Oreochromis mossambicus (Peters, 1852) from Flag Boshielo Dam, Olifants River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: HA Hlungwani --- University of Limpopo, South Africa SM Marr --- University of Limpopo, South Africa OLF Weyl --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa JR Sara --- University of Limpopo, South AfricaInland fisheries contribute towards food security for rural communities living close to large aquatic systems. However, sustainable inland fisheries rely on accurate biological information for the target species at the proposed fishery location. In this study, the biological information for... -
An exploratory study of Indian scientists’ perceptions of their roles and responsibilities in science communication
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abhay S.D. Rajput --- Indian Institute of Tropical Meteorology, India Sangeeta Sharma --- Birla Institute of Technology and Science (BITS)-Pilani, IndiaDifferent stakeholders worldwide expect scientists to play an active role in public engagement activities. Additionally, numerous studies and policy documents state that scientists should be accountable for fostering increased dialogue between science and society. However, there is still much uncertainty... -
The innovation capability model in higher education: A structural equation modelling approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Fatemeh Ghardashi --- Sabzevar University of Medical Sciences, Iran Maryam Yaghoubi --- Baqiyatallah University of Medical Sciences, Iran Ehsan Teymourzadeh --- Baqiyatallah University of Medical Sciences, Iran Mohammadkarim Bahadori --- Baqiyatallah University of Medical Sciences, Iran Mahmood Salesi --- Baqiyatallah University of Medical Sciences, IranInnovation is the driving force of the knowledge-based economy. The maintenance and sustainability of this innovation depend on the ability to innovate. The present study was a combination design with a structural equation model approach. First, using a qualitative method,... -
The road towards effective governance and management of marine protected areas in South Africa: evolving policies, paradigms and processes
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SP Kirkman --- , South Africa P Kowalski --- , South Africa BQ Mann --- Oceanographic Research Institute (ORI), South Africa GM Branch --- University of Cape Town, South Africa MG van der Bank --- South African National Biodiversity Institute (SANBI), South Africa KJ Sink --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa P Fielding --- , South Africa JB Mann-Lang --- Oceanographic Research Institute (ORI), South Africa MC Pfaff --- University of Cape Town, South Africa D Kotsedi --- , South Africa R Adams --- , South Africa S Dlulisa --- , South Africa SL Petersen --- , MadagascarThe efficacy of marine protected areas (MPAs) depends on their governance and management. We review their history in South Africa and recognise four periods. Period 1 (1964–1994) provided initial protection but was based on exclusionary, preservationist policies, was ad hoc... -
Early infant male circumcision: Potential for changing adverse gender norms associated with traditional male circumcision among circumcising communities in Kenya
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Jacob Onyango --- , Kenya Marylyn Ochillo --- , Kenya Eunice Omanga --- , Kenya Ohaga Spala --- , Kenya Gift-Noelle Wango --- , Kenya Edwin Lwanya --- , Kenya Kawango Agot --- , KenyaIntroduction: Traditional male circumcision (TMC) inculcates masculine-dominance norms in young men. Early infant male circumcision (EIMC) and medical male circumcision (MMC) can potentially minimise these adverse gender norms. We explored the perceptions about EIMC and MMC among communities practising TMC... -
A generalization of Taketa’s theorem on M-groups
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Zeinab Akhlaghi --- Amirkabir University of Technology (Tehran Polytechnic), IranLet G be a finite group. We prove the solvability of G, by assuming that the average degree of non-monomial irreducible characters in Irr(G) is less than 5/2. The bound is sharp. -
Altruism and Agency: Fictional Representations of Albino Vulnerability in Elias Mutani’s Human Poachers
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Spemba Elias Spemba --- Stellenbosch University, South Africa and Languages and Literature; Mkwawa University College of Education, TanzaniaThis article examines Elias Mutani’s Human Poachers (2016) to assess how the body of child character with and without albinism is culturally assigned specific meanings by exploring how the author configures and reconfigures the agencies of a child character with... -
Sense of power and online trolling among college students: Mediating effects of self-esteem and moral disengagement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yiping Zhou --- Sichuan Normal University, China Fang Li --- Sichuan Normal University, China Qinyao Wang --- Hubei University of Technology, China Jiawei Gao --- Sichuan Normal University, ChinaThis study investigated the relationship between the sense of power and online trolling among college students and the role of self-esteem and moral disengagement in that relationship. Participants were 1 268 college students (females = 61.6%, mean age = 19.94,... -
Work engagement mediation of job security, job embeddedness, and turnover intention within the South African mining sector
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Janet Joubert --- North-West University, South Africa Melissa Jacobs --- North-West University, South Africa Leon T. De Beer --- North-West University, South AfricaThe study investigated the role of work engagement in the relationships between job security, job embeddedness, and turnover intention within the South African mining sector. Mining employees who work on the surface (n = 203; males = 53%; females =... -
What is the motivation? The political economy of engineers regulation in Kenya
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: O. A. K’Akumu --- University of Nairobi, KenyaRegulation is usually justified by the public interest in theory but in practice may end up serving special interests. This paper evaluates the regulatory frameworks for engineers and engineering technologists in Kenya with the view to establishing whether they take... -
Role of the Lethabo Weir in altering the phytoplankton community structure of the Vaal River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: S Janse van Vuuren --- North-West University, South Africa A Swanepoel --- , South AfricaDuring 2012, aerial photographs of the Vaal River, South Africa, showed differences in water colour on either side of the Lethabo Weir. Water upstream of the weir was muddy brown, while water downstream was olive-green. Physical and chemical analyses indicated... -
The diversity of epigeal insects after the application of the brush packing restoration method following bush-encroachment control in South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: A Marquart --- North-West University, South Africa OB Sikwane --- North-West University, South Africa K Kellner --- North-West University, South AfricaEvidently, bush encroachment caused by factors, such as overgrazing, results in a change in savanna ecosystems. This shift in vegetation structure can affect many factors, including insect fauna. Epigeal arthropods occupy smaller habitat patches and therefore respond to the effects... -
Nutritional quality of Calobota sericea fodders harvested at different phenological stages – opportunities for inclusion in fodder flow programs for extensive livestock farmers
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ethan A Britz --- , South Africa Lilburne F Cyster --- University of the Western Cape, South Africa Clement F Cupido --- , South Africa M Igshaan Samuels --- , South Africa Thamsanqa DE Mpanza --- , South Africa Francuois L Müller --- , South AfricaCalobota sericea (Thunb.) Boatwr. & B.-E.van Wyk (Fabaceae) is a native legume from the semi-arid rangelands of South Africa. The species has been prioritised as a forage for water-limited agro-ecological areas. No information regarding the nutritional quality of C. sericea... -
Seedling establishment and early growth in Calobota sericea subjected to moisture stress
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Francuois Müller --- , South Africa Letty Masemola --- , South Africa Stephen Modiba --- , South Africa Nothando Ngcobo --- , South AfricaThe South African perennial legume Calobota sericea (Thunb.) Boatwr. & B-E van Wyk has been shown to be drought tolerant as mature plants, but information on drought tolerance of seedlings is lacking. This study evaluated the impact of moisture stress... -
Haagerup property of semigroup crossed products
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Qing Meng --- Qufu Normal University, ChinaIn this paper, we study the Haagerup property of semigroup crossed products for lattice ordered groups. Let G be a lattice ordered group. We show that the reduced semigroup C*-algebra C*r (G +) has the Haagerup property if and only... -
A tree-level analysis of baboon damage in commercial forest stands using deep learning techniques
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Regardt Ferreira --- Nelson Mandela University, South Africa Kabir Peerbhay --- , South Africa Josua Louw --- Nelson Mandela University, South Africa Ilaria Germishuizen --- Institute for Commercial Forestry Research, South Africa Andrew Morris --- Institute for Commercial Forestry Research, South Africa Romano Lottering --- University of KwaZulu-Natal, South AfricaCommercial forest plantations in South Africa are homogeneous monocultures of highly bred exotic species grown to deliver timber products of the best potential quality. As such, these stands are susceptible to adverse effects of biotic and abiotic factors, and therefore... -
Preliminary investigation into deducing breeding success of African Penguins Spheniscus demersus from automated transponder reader data to reduce disturbance
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Mpumalanga Mnyekemfu --- University of the Western Cape, South Africa Peter J Barham --- University of the Western Cape, South Africa Barbara Barham --- , United Kingdom Lauren Waller --- University of the Western Cape, South Africa Katrin Ludynia --- University of the Western Cape, South Africa Gavin W Maneveldt --- University of the Western Cape, South AfricaThe Endangered African Penguin Spheniscus demersus is in serious decline, with the total population falling at a rate of ∼5% per annum. The need to carry out regular monitoring to collect demographic and phenological data to assist in the planning... -
Slow tourism motivations: a factor/cluster segmentation approach
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Wagnew Eshetie Tsegaw --- Bahir Dar University, EthiopiaMarket segmentation has become a valuable instrument in planning appropriate marketing strategies. Therefore, the overall purpose of this study is to explore slow tourists’ characteristics, revealing the differences in their motivations using a factor/cluster market segmentation approach. The sample population... -
Moderating role of organizational culture in the relationship between total quality management and organizational innovation among manufacturing SMEs in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kabir Musa Shuaib --- Tianjin University, People’s Republic of China Zhen He --- Tianjin University, People’s Republic of ChinaPrevious studies on the total quality management and innovation relationship have had mixed findings. We predict that organizational culture could moderate the relationship between total quality management and organizational innovation. The study collected empirical data from 433 small and medium-sized... -
Portrait of an ethnography during pandemic times: Bagamoyo remote reconstruction and the (un)Freire of literacy policies in Mozambique
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Xénia de Carvalho --- University Institute of Lisbon, PortugalSince 2019, I have been engaged in remote ethnography about the reconstruction of the beginning of the language and literacy policies developed by the Frelimo School in Bagamoyo (1970–1975), Tanzania. I entered the field based on previous ethnographic fieldwork in... -
Teacher support and student engagement in mathematics: The chain mediating role of academic self-efficacy and achievement goal orientation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yanfei Yang --- Universiti Pendidikan Sultan Idris, Malaysia Guangzheng Li --- Jiangsu Normal University, China Fenfen Song --- , China Yuan Yuan --- Universiti Pendidikan Sultan Idris, MalaysiaThis explored how teacher support impacted student engagement in mathematics. A total of 632 students in Grades 7 to 9 from junior middle schools in China were participants (females = 54.27%, mean age = 13.97, SD = 0.88). They completed... -
Which shrinkage is better? Portfolio selection with a cleaned random matrix
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Young C. Joo --- Shanghai University, China Sung Y. Park --- Chung-Ang University, KoreaCovariance matrix estimation is of great importance in formulating a portfolio. The sample covariance matrix, the most frequently used estimator, is well known to be unstable due to the estimation error, when the sample size is small. A shrinkage approach... -
Digital technology usage and entrepreneurship in Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Folorunsho M. Ajide --- University of Ilorin, Nigeria Tolulope T. Osinubi --- Obafemi Awolowo University, NigeriaIn relation to actual digital usage, empirical research is limited on whether digital technology promotes entrepreneurial development in African economies. This study, therefore, investigates the impact of digital technology usage on entrepreneurship in selected African countries. This study contributes to... -
Personalisation of Moodle Learning Management System for Effective Teaching and Learning in Higher Learning Institutions: A Case of the State University of Zanzibar
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abdalla Shaame --- The State University of Zanzibar, SUZA, Tanzania Umayra El Nabahany --- The State University of Zanzibar, SUZA, Tanzania Said Yunus --- The State University of Zanzibar, SUZA, Tanzania Tabu Kondo --- The University of Dodoma, UDOM, Tanzania Wadrine Maro --- University of Dar es Salaam, UDSM, TanzaniaThe Learning Management System (LMS) continues to persuade instructors and students that the use of the Moodle platform is the correct choice to meet their educational needs. This study presents the personalization of the Moodle LMS based on students’ needs... -
Adoption of crossbreed dairy cows (Holstein-Friesian and Jersey) by smallholder dairy farmers in South-Western Ethiopia: Perception and adoption intensity
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Asmera Adicha [cor1] Gedion Ermias --- Directorate of Agricultural Economics and Gender Research, Southern Agricultural Research Institute, Jinka Agricultural Research Center, EthiopiaEvidence on the factors that influence crossbred dairy cow adoption decisions and intensity by dairy farmers in the Debub Ari district is limited. This study provides empirical evidence on the determinants, perceptions, and constraints of crossbred dairy cow adoption decisions... -
Information technology in supply chain management: Perspectives from key actors in the Nigerian petroleum sector
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Baba Shehu Terab --- Hydrocarbon Processing Department, Nigerian Midstream and Downstream Petroleum Regulatory Authority, Nigeria Umar Ali Umar --- Ahmadu Bello University, Nigeria Ayodeji Nathaniel Oyedeji --- Ahmadu Bello University, NigeriaThis research examines the potential impact of information technology (IT) on supply chain management (SCM) in the Nigerian petroleum industry. Specifically, the study seeks to identify the IT systems utilized by the key actors in the industry, the challenges facing... -
Job insecurity and employee commitment during COVID-19: mediating the role of quitting intention in family-owned hotels
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Esther Theresa Appaw-Agbola --- Ho Technical University, Ghana Jennifer Eyram Nkrow --- Ho Technical University, Ghana Elikem Krampa --- Ho Technical University, GhanaUsing the social exchange theory, this article explores how quitting intention mediates job insecurity and organisational commitment in family-owned hotels during the COVID-19 period in Ghana. A conceptual model was developed to give a clear perspective of the study. Literature... -
Beyond gender bias: Factors affecting female employee retention and advancement in the Dutch hotel sector
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Marrit Lijster --- NHL Stenden University of Applied Sciences, The Netherlands Georges El Hajal --- NHL Stenden University of Applied Sciences, The NetherlandsIn The Netherlands, gender roles have evolved remarkably, marked by feminist activism and legislative strides. Nevertheless, persistent gender biases and disparities continue to impact many industries, including the Dutch hotel sector. This quantitative research explores the factors affecting female employee... -
Servant leadership and clinical nurses’ work engagement: The mediating role of emotional support and frustration
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: --- School of Nursing, Henan University of Chinese Medicine, China --- School of Nursing, Henan University of Chinese Medicine, China --- School of Nursing, Henan University of Chinese Medicine, China --- School of Nursing, Henan University of Chinese Medicine, ChinaThe present study aimed to investigate the influence of emotional support and frustration on the relationship between servant leadership and clinical nurses’ work engagement. The survey sample consists of 1 127 clinical nurses from six hospitals in China (female =... -
The “double-edged sword” effect of social media usage on postgraduate student creativity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: --- Xiangtan University, China --- Xiangtan University, China --- Xiangtan University, ChinaBased on the social media use theory and goal orientation theory, this study explored the “double-edged sword” effect of social media usage on postgraduate student creativity. Participants in the study were 262 postgraduate students from Xiangtan University in China (females... -
Soil nutrient deficiency assessment under soybean cropping systems using the DRIS system in northern and central Benin
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: --- Integrated Soil and Crop Management Research Unit, Benin --- Agricultural Research Centre (CRA) of Agonkanmey, Benin --- Polytechnic School of Abomey-Calavi, Benin --- Agricultural Research Centre (CRA) of Agonkanmey, Benin --- University of Abomey-Calavi, Benin --- Integrated Soil and Crop Management Research Unit, Benin --- Integrated Soil and Crop Management Research Unit, BeninSoybean is one of the promising crops in the Benin agro-industrial sector, but its production is carried out at the expense of the inherent soil fertility. The present study aims to apply the DRIS (Diagnosis and Recommendation Integrated System) for... -
Population status, distribution and seasonal range of Grevy’s zebra (Equus grevyi) in a protected savannah area
Item type: Journal Article • Journal: African Zoology • Authors: --- Samara University, Ethiopia --- Addis Ababa University, Ethiopia --- Addis Ababa University, EthiopiaThe genus Equus comprises six species and 22 subspecies. Ethiopia is the only country in the world that has all three surviving species of zebra. The population status, structure, and seasonal range of Grevy’s zebra (Equus grevyi) were studied in... -
Histological arrangements of plant tissue of different elephant grasses as influenced by their genotypes
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, Brazil --- Universidade Federal Rural de Pernambuco, BrazilElephant grass genotypes display a variety of morphological differences, influencing the nutritive value of the forage. This study evaluated the histological arrangements of the leaves and stems of different elephant-grass genotypes, two tall-sized (Elephant B and IRI-381) and two dwarfs... -
Dynamics of tall fescue (Festuca arundinacea) and Kikuyu grass (Cenchrus clandestinus) pastures associated with white clover (Trifolium repens) in small-scale dairy systems in the highlands of central Mexico
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: --- Instituto de Ciencias Agropecuarias y Rurales (ICAR), Universidad Autónoma del Estado de México (UAEM), México --- Instituto de Ciencias Agropecuarias y Rurales (ICAR), Universidad Autónoma del Estado de México (UAEM), México --- , México --- Instituto de Ciencias Agropecuarias y Rurales (ICAR), Universidad Autónoma del Estado de México (UAEM), MéxicoAn on-farm participatory study was undertaken to assess changes over seasons on the availability, botanical and morphological composition, and nutritive value of herbage from two pastures in small-scale dairy systems in the highlands of central Mexico. One pasture (TF-33) was... -
Nutritional properties and in vitro gas production in cactus pear (Opuntia stricta) and cassava (Manihot esculenta) shoot silages
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: --- Universidade Federal do Vale do São Francisco, Brazil --- Universidade Federal do Agreste de Pernambuco, Brazil --- Universidade Federal do Vale do São Francisco, Brazil --- Universidade Estadual do Sudoeste da Bahia, Brazil --- Universidade Federal do Tocantins, Brazil --- Universidade Federal do Agreste de Pernambuco, Brazil --- Universidade Federal do Agreste de Pernambuco, Brazil --- Universidade Federal do Agreste de Pernambuco, Brazil --- , Brazil --- Universidade Federal do Maranhão, Brazil --- Universidade Federal do Vale do São Francisco, BrazilThis study evaluated the effects of different inclusion levels of cactus pear (Opuntia stricta) (at 0%, 15%, 30% or 45% on fresh matter basis) ensiled with shoots of cassava (Manihot esculenta) on the mineral nutrients, carbohydrates fractionation, nitrogen compounds and... -
A systematic review of remote sensing and machine learning approaches for accurate carbon storage estimation in natural forests
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Collins Matiza --- University of KwaZulu-Natal, South Africa Onisimo Mutanga --- University of KwaZulu-Natal, South Africa Kabir Peerbhay --- University of KwaZulu-Natal, South Africa John Odindi --- University of KwaZulu-Natal, South Africa Romano Lottering --- University of KwaZulu-Natal, South AfricaThe assessment of carbon storage in natural forests is paramount in the ongoing efforts against climate change. While traditional field-based methods for quantifying carbon storage pose challenges, recent advancements in remote sensing and machine learning offer efficient and innovative alternatives... -
Secondary vegetation provides a reservoir of non-timber forest products and agroforestry service options for forestry plantation systems, Maputaland, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: AP Starke --- University of Pretoria, South Africa CJ Geldenhuys --- University of Pretoria, South Africa TG O’Connor --- University of the Witwatersrand, South Africa CS Everson --- University of KwaZulu-Natal, South AfricaTree species providing non-timber forest products (NTFPs) have the potential to enhance the socio-economic value of forestry plantation systems and mitigate biodiversity loss associated with production landscapes in Southern Africa. This can be accomplished by integrating NTFP agroforestry systems with... -
Nutrient uptake and yield response of wheat (Triticum spp.) to different fertiliser applications in Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Shimbahri Mesfin --- Land Resource Management and Environmental Protection, Mekelle University, Ethiopia Mitiku Haile --- Land Resource Management and Environmental Protection, Mekelle University, Ethiopia Girmay Gebresamuel --- Land Resource Management and Environmental Protection, Mekelle University, Ethiopia Amanuel Zenebe --- Land Resource Management and Environmental Protection, Mekelle University, Ethiopia Abera Gebre --- Soil Resource and Watershed Management, Aksum University, Ethiopia Christy van Beek --- Wageningen University and Research Centre, the NetherlandsIn northern Ethiopia, the persistently low crop yield is often attributed to inadequate soil fertility and inappropriate fertiliser recommendations. This study employed the Quantitative Evaluation of the Fertility of Tropical Soils (QUEFTS) model for site-specific fertiliser recommendations to enhance wheat... -
Effect of plant spacing and cutting intensity on the morphology and productivity of forage cactus [Opuntia stricta (Haw.) Haw.]
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Claudia Maciel Ferreira --- Universidade Federal Rural de Pernambuco, Brazil Marcio Vieira da Cunha --- Universidade Federal Rural de Pernambuco, Brazil Mércia Virginia Ferreira dos Santos --- Universidade Federal Rural de Pernambuco, Brazil Alexandre Carneiro Leão de Mello --- Universidade Federal Rural de Pernambuco, Brazil Djalma Cordeiro dos Santos --- Instituto Agronômico de Pernambuco, Brazil Maria da Conceição Silva --- Instituto Agronômico de Pernambuco, Brazil Janerson José Coelho --- Universidade Federal Rural de Pernambuco, BrazilThe forage cactus cultivar Mexican elephant ear (MEE) [Opuntia stricta (Haw.) Haw.] has been widely used in the semi-arid of Brazil because of its resistance to carmine mealybug. Therefore, it is necessary to establish planting and harvesting management strategies for... -
Drought release and post-drought changes in herbaceous composition and diversity in two land uses subjected to selective bush control in a semi-arid Kalahari savanna
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: N van Staden --- North-West University, South Africa A Marquart --- North-West University, South Africa K Kellner --- North-West University, South AfricaLand degradation due to bush encroachment and drought threatens the well-being of land users and forage production in the semi-arid savannas of southern Africa. This study aimed to analyse how herbaceous vegetation in the Kalahari savanna can recover from drought,... -
Herbage intake and performance of grazing lambs in tropical erect grass pastures maintained at different heights
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Lívia Raymundo Irigoyen --- Federal University of Rio Grande do Sul, Brazil Cesar Henrique Espírito Candal Poli --- Federal University of Rio Grande do Sul, Brazil Gladis Ferreira Corrêa --- Federal University of Pampa, Brazil Jalise Fabíola Tontini --- Federal University of Rio Grande do Sul, Brazil Ignacio Fernando López --- Massey University, New Zealand Joseane Anjos da Silva --- Federal University of Rio Grande do Sul, BrazilOne of the main constraints for sheep production in tropical and subtropical areas is the lack of knowledge of how to manage erect tropical grasses for lambs. The objective of this study was to assess the effect of pasture height... -
Return and volatility connectedness across stock markets: A global perspective
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Huifu Nong --- School of Economics, Guangxi Minzu University, ChinaThe connectedness of stock markets is inevitable because of the rapid increases in global financialisation, financial liberalisation, and integration of national economies. This study therefore increases the number of stock markets included in the LASSO-VAR model to separately estimate the... -
Does stock market liberalisation reduce earnings management? Evidence from China
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Chen Song --- , China Leqin Chen --- Shenzhen Technology University, ChinaThis paper employs the Stock Connect programme to examine the impact of stock market liberalisation on the earnings management activities of listed firms in China. Using the time-varying difference-in-difference model, we find that both accrual-based and real earnings management activities... -
Hospitality in volunteer engagement: navigating complexities in residential care facilities for children
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Rodney Westerlaken --- NHL Stenden University of Applied Sciences, The NetherlandsThis study investigates the multifaceted realm of volunteer engagement in orphanages and residential care facilities for children, as places of hospitality towards volunteers, in low- and middle-income countries. While the positive outcomes of such engagements, including assistance, economic contributions and... -
Motivating Generation Z — the volunteers of the future
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Henrik Pahus --- , Denmark Tina Knuth --- , DenmarkIn this article, we present the results of an ongoing research project from 2020 to 2023 on volunteerism and Generation Z. The purpose of the overall project is to examine which elements are motivating or demotivating to volunteers from Generation... -
Acoustic assessment of the biomass of aggregated chokka squid Loligo reynaudii on its inshore spawning grounds on the southeast coast of South Africa in the season closed for fishing
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: I Hampton --- , South Africa MA Soule --- , South Africa J Mwicigi --- , South AfricaRecent attempts to estimate the biomass of chokka squid Loligo reynaudii on the southeast coast of South Africa by acoustic surveys of the inshore jig-fishing area are described. Pilot surveys of aggregations, covering part of the fishing grounds, were conducted... -
Impact of interactions between common bottlenose dolphins and purse-seiners in the Moroccan Mediterranean region: case study in the Al Hoceima fishing grounds
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Keznine --- Abdelmalek Essaâdi University, Morocco B Mghili --- Abdelmalek Essaâdi University, Morocco H Awadh --- Abdelmalek Essaâdi University, Morocco M Analla --- Abdelmalek Essaâdi University, Morocco M Aksissou --- Abdelmalek Essaâdi University, MoroccoThis study examines the effect of common bottlenose dolphins Tursiops truncatus on the purse-seine fishery for small pelagic fishes in the Mediterranean Sea and the economic consequences thereof. The investigation focused on the fleet registered at the port of Al... -
Technology adoption meets green tourism supply chain management for sustainability of small and medium-sized tourism enterprises: A lesson from Zimbabwe
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Option Takunda Chiwaridzo --- , People’s Republic of China Reason Masengu --- , OmanIn the global pursuit of achieving sustainability within the tourism sector, technology adoption and green tourism supply chain management (GTSCM) have garnered dominant attention. This research examines how small and medium tourism enterprises (SMTEs) in Zimbabwe can achieve sustainability by... -
Integration of nutrition support using the FIGO nutrition checklist in the Bukhali trial: a dietitian’s perspective
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Lethabo Mogashoa --- University of the Witwatersrand, South Africa Shane A Norris --- University of the Witwatersrand, South Africa Khuthala Mabetha --- University of the Witwatersrand, South Africa Larske Soepnel --- University of the Witwatersrand, South Africa Catherine E Draper --- University of the Witwatersrand, South AfricaThe burden of malnutrition experienced globally, coupled with the increasing rate of micronutrient deficiencies, compromises the health and well-being of women during their reproductive years. Obesity places young South African women at particular risk during pregnancy, and increases obesity risk... -
Driving green procurement in a developing country: The roles of corporate environmental ethics, environmental training, and top management commitment
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Emmanuel Kwabena Anin --- Kumasi Technical University, Ghana Daniel Etse --- Kumasi Technical University, Ghana Gilbert Anyowuo Okyere --- Kwame Nkrumah University of Science and Technology, Ghana Darlington Bright Yao Adanfo --- Ghana Tertiary Education Commission, GhanaGreen procurement expands firms’ possibilities to contribute to environmental sustainability goals in supply chains, although knowledge of its drivers remains underdeveloped in developing countries. This research extends the literature on corporate environmental ethics to green procurement by developing a conceptual... -
10 years of the Africa Journal of Management: A bibliometric analysis
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Katia M. Galdino --- Georgia Southern University, USA Diane Lawong --- University of Alabama at Birmingham, USAThe Africa Journal of Management (AJOM) is devoted to the advancement of management theory, scholarship, practice, service, and education in or about Africa and for the benefit of Africa. The journal was launched at the 2014 Africa Academy of Management... -
Therapeutic inertia: a retrospective examination of inpatient management for type 2 diabetes mellitus at a South African regional hospital during a singular hospitalisation
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: KA White --- Harry Gwala Regional Hospital, South Africa S Pillay --- King Edward VIII Hospital, South Africa -
Perceived teacher support and student engagement: The chain mediating effect of basic psychological needs satisfaction and learning drive
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xiuni Xu --- Long Dong University, China Zhen Wu --- Tianjin University of Technology and Education, China Dongpo Wei --- Shandong Huayu University of Technology, ChinaThis study explored the relationship between perceived teacher support and student engagement, and the influence of the basic psychological needs satisfaction and learning drive in this relationship. We sampled 1 136 Chinese higher vocational students, and 1 031 students’ questionnaires... -
Parents’ environmental knowledge and perception of young children’s nature connectedness: The serial mediating role of parents’ environmental concern and parent–child engagement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Zeng Xiaoying --- Nanjing Normal University, ChinaThis study explored the relationship between parents’ environmental knowledge and 3- to 6-year-old children’s nature connectedness, and the mediating role of parents’ environmental concern and parent–child engagement in that relationship. Participants were 427 parents from rural western China (female =... -
Sawmilling competitiveness from the perspective of industry competitiveness models: a review
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Vhuhwavho Tshavhungwe --- University of Venda, South Africa Schalk Grobbelaar --- University of Venda, South AfricaGlobalisation and changes to the world economy have brought new challenges and opportunities for many industries, including the sawmill industry. This has led to a need to evaluate the competitiveness of South Africa’s sawmilling industry by studying the factors affecting... -
Vacillating vaccines: responses to Covid-19 in the United States and South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Theodore Powers --- Anthropology, University of Iowa, United States of America Jimmy Pieterse --- University of Pretoria, South AfricaThis article examines the internal pathways of disease transfer within two settler colonies, the United States and South Africa, whilst also considering points of transnational connection in the social, political, epidemiological, religious and cultural responses to the Covid-19 pandemic in... -
Continuity and discontinuity of rituals: Covid-19 pandemic in Southern Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Tamia Botes --- University of the Witwatersrand, South Africa Zikhona Ngqula --- University of the Witwatersrand, South Africa Bopane Rampeta --- National University of Lesotho, Lesotho Thulani Baloyi --- University of Johannesburg, South Africa Chanda Penda --- University of Zambia, ZambiaThe onset of the SARS-CoV-2 virus in late 2019 gave way to the coronavirus (Covid-19) pandemic that changed the world. These changes impacted many spheres of ritualised social life, including burial, funerary and cultural rituals, and rites of passage. In... -
English instruction experiences of native South African speech-language and/or hearing (SLH) undergraduate students: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Katijah Khoza-Shangase --- University of the Witwatersrand, South Africa Margo Kalenga --- University of the Witwatersrand, South AfricaThis study explored the experience of English as an instruction medium by South African Speech-Language and Hearing (SLH) students whose first language is not English ( African language speakers). A purposive sample of 24 female students for whom English was... -
Role of the stakeholders and regulatory instruments in technology and innovation development in Ethiopian construction industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Desalegn Girma Mengistu --- Hawassa University, Institute of Technology, Ethiopia Bereket Amare Sida --- Hawassa University, Institute of Technology, Ethiopia Tariku Nigussie Keneni --- Hawassa University, Institute of Technology, EthiopiaThe purpose of this study is to assess the role of stakeholders and the applicable regulatory instruments in ensuring technology and innovation development (TID) in Ethiopian construction industry. A structured questionnaire was developed to assess the engagement level of major... -
Callous-unemotional traits and online aggressive behaviour: Mediated moderation by moral disengagement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lijun Song --- School of Marxism, Zhengzhou Urban Construction Vocational College, ChinaThis study investigated the role of moral disengagement in the relationship between callous-unemotional traits and online aggression. The study sample comprised 484 college students (female = 68.4%; mean age = 19.27 years, SD = 1.21 years). The students completed questionnaires... -
How and when illegitimate tasks lead to cyberloafing: The role of meaningful work and appreciative leadership
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Qian Ma --- Renmin University of China, China Yuxuan Xie --- Tsinghua University, ChinaThis study examined how and when illegitimate tasks are related to employee cyberloafing with meaningful work and appreciative leadership. Participants were 289 employees of a Chinese energy firm (female = 59.5%; bachelor's degree = 75.8%; mean age = 30.86 years, SD... -
Exploring upbringing styles of highly resilient students in South Africa: A mixed methods study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Franco Musiello --- , South Africa Zaynab Essack --- , South Africa Alastair van Heerden --- , South AfricaParents play a critical role in supporting the development of resilience in childhood and early adolescence. Most South Africans lack basic resources, so research into and commitment to resilience is of great importance. This study investigated the styles of parenting... -
Organisational attachment in hospitality organisations: a review
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Aladin M Ibrahim --- Faculty of Hospitality and Tourism Management, UCSI University, MalaysiaThe hospitality industry relies on dedicated and emotionally connected employees to deliver exceptional guest experiences and maintain competitiveness. However, high turnover rates pose challenges for organisations in retaining devoted employees. Organisational attachment, encompassing affective commitment, organisational identification and turnover intentions,... -
Influence of optimal room occupancy strategies on revenue maximisation during slack periods in selected 3- to 5-star hotels in Ghana
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: John Adanse --- School of Business, Economics and Tourism Management, Kenyatta University, Kenya Rosemarie Khayiya --- School of Business, Economics and Tourism Management, Kenyatta University, Kenya Vincent Maranga --- School of Business, Economics and Tourism Management, Kenyatta University, KenyaAn organisation’s inability to generate adequate income to sustain its business activities poses a significant challenge to maintaining profitability. Employing revenue-maximisation strategies is crucial to securing necessary resources and ensuring the continued success and stability of organisations. The purpose of... -
Effect of invasive species on forest composition in tropical dry forest: a case study of invasion by Gliricidia sepium
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Priya Kaushik --- Dr Harisingh Gour Vishwavidyalaya University (A Central University), India Pranab Kumar Pati --- Dr Harisingh Gour Vishwavidyalaya University (A Central University), India ML Khan --- Dr Harisingh Gour Vishwavidyalaya University (A Central University), India PK Khare --- Dr Harisingh Gour Vishwavidyalaya University (A Central University), IndiaEcological concerns caused by biological invasion have been considered an inevitable threat to global sustainability. The superior competitive ability of invasive plant species (IPS) has an impact on vegetation composition and loss of native flora. Recognising IPS at an early... -
Effect of botanical composition calibration on the accuracy of undisturbed sward height and comparative yield method techniques for herbage mass estimation in tropical heterogeneous pastures
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Diana Marcela Valencia-Echavarría --- , Colombia Yury Tatiana Granja-Salcedo --- , Colombia David Felipe Nieto-Sierra --- , Colombia Piedad Yanneth Martínez-Oquendo --- , Colombia Gonzalo de Jesús Restrepo-Castañeda --- , Colombia Lucas Esteban Cano-Gallego --- , Colombia Olga Lucía Mayorga-Mogollón --- , ColombiaThis study aimed to evaluate the influence of botanical composition calibration on the accuracy of undisturbed sward height and comparative yield method (CYM) techniques for herbage mass estimation in tropical heterogeneous pastures. Two studies were conducted using two grazing systems... -
The recent fire regimes of Luengue-Luiana and Mavinga national parks, Angola
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Willem A Nieman --- , United StatesThe adjoining Luengue-Luiana and Mavinga national parks in southeastern Angola are two of the largest though least actively managed protected areas in Africa. The parks are home to a diversity of wildlife and are managed as a single unit. The... -
Evaluation of in situ and ex situ forage germplasm collections reveals the first occurrence and seed-transmission of alfalfa mosaic virus and southern bean mosaic virus in Urochloa species
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Woubit Dawit --- International Livestock Research Institute (ILRI), Ethiopia Fikerte Mulatu --- International Livestock Research Institute (ILRI), Ethiopia Yesuf Eshete --- International Livestock Research Institute (ILRI), Ethiopia Alemayehu Teressa Negawo --- International Livestock Research Institute (ILRI), Ethiopia Alok Kumar --- Haramaya University, Ethiopia Alice Muchugi --- International Livestock Research Institute (ILRI), Ethiopia Chris Stephen Jones --- International Livestock Research Institute (ILRI), KenyaGrasses of the genus Urochloa (Urochloa species syn. Brachiaria species) are among the most important tropical forage grasses of African origin. The International Livestock Research Institute (ILRI) Forage Genebank maintains 671 Urochloa grass accessions, belonging to 28 species, of which... -
Diet preference of black rhinoceros Diceros bicornis at Welgevonden Game Reserve, South Africa, across seasons
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Joti Daya --- Nelson Mandela University – George Campus, South Africa Hervé Fritz --- Nelson Mandela University – George Campus, South Africa Jan A Venter --- Nelson Mandela University – George Campus, South AfricaDiet preference of the black rhinoceros Diceros bicornis was determined in Welgevonden Game Reserve (WGR), located in the Waterberg region of Limpopo Province, South Africa. Fieldwork was conducted in the dry, early wet and late wet seasons. Diet preference was... -
Fermentation characteristics of maize–forage legume mixtures ensiled in small-scale silos
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: PE Mosebi --- University of Pretoria, South Africa IC Madakadze --- University of Pretoria, South Africa MP Ntakatsane --- National University of Lesotho, Lesotho R Ratsele --- , LesothoThis study was conducted to evaluate the ensiling characteristics of maize–forage legume mixtures in small-scale silos. Sole and intercrops forage materials were harvested 80 days after planting and ensiled in small-scale silos, that is: plastic bags, plastic drums, and small... -
Does sugar taxation on sugar-sweetened beverages alter purchasing behaviour of South African consumers? Perspectives of dietitians and key industry role-players
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Yolande Smit --- Stellenbosch University, South Africa Zarina Ebrahim --- Stellenbosch University, South Africa Maritha Marais --- Stellenbosch University, South Africa Daan Nel --- Centre for Statistical Consultation, Stellenbosch University, South Africa Nelene Koen --- Stellenbosch University, South Africa -
Current practices and challenges of registered dietitians in the nutritional management of children with cerebral palsy in South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Deborah Jacobson --- Stellenbosch University, South Africa Evette van Niekerk --- Stellenbosch University, South Africa Maritha Marais --- Stellenbosch University, South Africa -
Developing and validating a scale to measure trauma-informed practices used by teachers in inclusive schools in Ghana and the United Arab Emirates
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Maxwell Peprah Opoku --- United Arab Emirates University, United Arab Emirates Hala Elhoweris --- United Arab Emirates University, United Arab Emirates Ashraf Moustafa --- United Arab Emirates University, United Arab Emirates Daniel Miezah --- University of Cape Coast, Ghana Haseena Shah --- United Arab Emirates University, United Arab Emirates Ghadah Al Murshidi --- United Arab Emirates University, United Arab EmiratesResearch on trauma-informed practices is common in Western countries, but non-Western countries have made minimal contributions in this regard. This study aimed to develop an instrument which could be used to measure perceived competence of teachers in the implementation of... -
What Science Can You Teach Without Language? A Conversation with Timothy Wangusa
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Patrick Mangeni --- Makerere University, UgandaThis biographical dialogue with Timothy Wangusa explores the interface between indigenous culture, Christianity and education in Uganda, how this disrupted the indigenous cultural base and practice and continued to inform and impact lives and culture in Uganda. It interrogates the... -
Repositioning ‘woman’ in Nwapa’s Efuru and Emecheta’s Joys of Motherhood
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Sifiso Sibanda --- North-West University, South AfricaThis paper focuses on Nwapa and Emecheta’s transformative representation of their heroines in Efuru and The Joys of Motherhood, respectively. In these two works, the authors seek to reposition ‘woman’ and inaugurate her as a formidable force of change. They... -
Spatial patterns and environmental drivers of demersal fish assemblages in the Swartkops and Sundays estuarine to marine seascapes, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: P Nodo --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa AR Childs --- Rhodes University, South Africa P Pattrick --- Nelson Mandela University, South Africa NC James --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaEstuaries are often observed as the boundary between the ocean and the river, separating coastal environments, rather than being seen as a continuum. Owing to insufficient research on demersal fish communities across nearshore marine to estuarine habitats, particularly in South... -
Introduction to the Special Issue: Leveraging Global Value Chains for innovation and industrialization in Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluseye Jegede --- University of Johannesburg, South Africa Mammo Muchie --- Tshawane University of Technology, South AfricaThe global nature of innovation has led to the emergence of Global Innovation Networks (GINs) and Global Value Chains (GVCs), facilitating knowledge exchange and economic activities across borders. GVCs offer platforms for accessing external knowledge and fostering innovation. They have... -
Killing tsetse and/or saving wildlife? A multispecies assemblage in colonial Zambia (1895–1959)
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Léa Lacan --- University of Cologne, GermanyThis article investigates the problem of the tsetse fly and the trypanosomiasis disease it conveys as a transforming multispecies assemblage in colonial Zambia from the late nineteenth century until 1959. Based on archival research, it analyses the tsetse fly (Glossina... -
Hunting the hippo: a brief history of wildlife hunting and the reconfiguration of animal-human relations in Namibia’s Zambezi region
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Hauke-Peter Vehrs --- University of Cologne, GermanyThe Zambezi region in north-eastern Namibia is located at the centre of the Kavango-Zambezi Transfrontier Conservation Area (KAZA TFCA), an area that is endowed with a great variety of wildlife and managed not only to protect this asset but also... -
School engagement mediation of the implicit self-entity theories and mental health problems among Chinese high school students: A longitudinal study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ping Li --- Guangdong Polytechnic Normal University, China Yiqi Lin --- Guangdong Polytechnic Normal University, China Xiaoyu Jia --- Southwest University, ChinaUsing a 2-wave longitudinal design, this study examined the role of school engagement in the association between students’ implicit self-theories and internalising and externalising behaviours. A sample of 1 070 Chinese high school students completed surveys on implicit theory of... -
Cape genet Genetta tigrina diet in the Albany Thicket Biome, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Axola Plaatjie --- University of Fort Hare, South Africa Filipe Carvalho --- University of Fort Hare, South Africa Rabelani Marikhele --- University of the Witwatersrand, South Africa Zimkitha JK Madikiza --- University of the Witwatersrand, South Africa Emmanuel Do Linh San --- University of Fort Hare, South AfricaThe diet of the Cape genet Genetta tigrina is only well known in the coastal forests of South Africa, where either arthropods or small mammals are their dominant prey. Here, we aimed to demonstrate this species’ opportunistic behaviour by investigating... -
Strategy research in an African context: A systematic literature review
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Gemechis Terfa Eticha --- Addis Ababa University College of Business and Economics, Ethiopia Olof Brunninge --- Jönköping International Business School, Sweden Workneh Kassa Tessema --- Addis Ababa University College of Business and Economics, EthiopiaThis article presents a systematic review of strategy research in Africa. The quantity of management research in general and strategy research in particular is growing on the continent, though from a low level. It is, however, characterized by a strong... -
Linking resource mobilization approaches and venture performance in highly resource-constrained environments
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Abiodun Samuel Adegbile --- Birmingham City University, The Curzon Building, United Kingdom Tahiru Azaaviele Liedong --- University of Bath, United Kingdom Heinz-Theo Wagner --- , GermanyDrawing on resource orchestration and social network theories, this study examines the relationships between bricolage, optimization, and new venture performance. We argue that optimization (i.e. standard application of resources acquired from resource markets) increases performance whereas bricolage (i.e. improvisation and... -
Afrocentric triple helix: A communal perspective on addressing Africa’s economic and social challenges
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Motolani Agbebi --- University of Tampere, Finland Jianing Song --- University of Manchester, UK Aminu Mamman --- University of Manchester, UK Nabil Baydoun --- Academic Affairs, Vice Chancellor Office, Hamdan Bin Mohammed Smart University, United Arab EmiratesThat collaboration has always been the foundation of human development as well as the coping strategy of some animal species is a view widely shared by scholars. In fact, no individual, organization or nation can produce everything it needs without... -
Influence of different temperatures on seedling growth and development of Calobota sericea, a semi-arid rangeland species of South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Francuois Müller --- Agricultural Research Council – Animal Production Institute, South African National Forage Genebank, South Africa Letty Masemola --- Agricultural Research Council – Animal Production Institute, South African National Forage Genebank, South Africa Fortune Manganyi --- Agricultural Research Council – Animal Production Institute, South African National Forage Genebank, South Africa Nothando Ngcobo --- Agricultural Research Council – Animal Production Institute, South African National Forage Genebank, South AfricaThis study determined how temperature affected the early growth of seedlings of Calobota sericea (Thunb.) Boatwr. & B.-E.van Wyk. One-month-old C. sericea seedlings were grown at constant temperatures of 2.5, 5, 10 and 20 °C for 30 days. After 30... -
Migratory movement of photo-identified humpback whales Megaptera novaeangliae along the southeastern coast of Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: B Tree --- Cape Peninsula University of Technology, South Africa J Olbers --- , South Africa E Seyboth --- Cape Peninsula University of Technology, South Africa SM Seakamela --- , South Africa VG Cockcroft --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa E Vermeulen --- Mammal Research Institute Whale Unit, University of Pretoria, South Africa KP Findlay --- Cape Peninsula University of Technology, South AfricaThe global conservation of humpback whales Megaptera novaeangliae relies on continuous assessments of the populations’ post-whaling status, which in turn require information on population mixing and movements. One of the seven breeding stocks in the Southern Hemisphere, breeding stock C... -
To move or not? Tourists’ perceptions and management considerations of a beached whale carcass in a South African national park and marine protected area
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MKS Smith --- , South Africa GS Penry --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa MM Mokhatla --- , South AfricaThe handling of beached cetacean carcasses requires social, legal, financial, ecological and logistical considerations. However, limited research on the topic hinders informed decision-making. A large humpback whale carcass that washed ashore at a South African marine protected area (MPA) provided... -
Using stakeholder knowledge to co-produce research priorities for a raptor species vulnerable to impacts of wind energy facilities
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Merlyn Nomusa Nkomo --- University of Cape Town, South Africa Megan Murgatroyd --- University of Cape Town, South Africa Samantha Ralston-Paton --- , South Africa Arjun Amar --- University of Cape Town, South AfricaThe global energy transition necessitates a rapid increase in infrastructure in developing countries, including for wind energy facilities (WEFs). Concerns arise regarding the negative impacts of WEFs on biodiversity, especially on birds of prey or raptors and other volant animals... -
Population genetics and key phenotypic variability does not support different subspecies of Yellow-throated Woodland Warbler Phylloscopus ruficapilla within the Eastern Cape, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Jake M Mulvaney --- Stellenbosch University, South Africa Michael I Cherry --- Stellenbosch University, South AfricaTwo subspecies of the Yellow-throated Woodland Warbler Phylloscopus ruficapilla (family Phylloscopidae) have been recognised in South Africa based on the extent and intensity of yellow colouration. Our previous multi-locus population genetic survey across much of the Eastern Cape and southern... -
Failure factors of building construction projects in Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Hizkiel Haliso Abate --- College of Engineering and Technology, Wolaita Sodo University, Ethiopia Desalegn Girma Mengistu --- Institute of Technology, Hawassa University, Ethiopia Tesfahun Asres Abera --- Arba Minch Institute of Technology, Arba Minch University, EthiopiaConstruction projects encounter considerable failure, and the case is worse in developing countries. Improving this situation needs an understanding of the failure factors; hence, this study is aimed at identifying critical failure factors of building construction projects in the Ethiopian... -
A framework for using social media for organisational learning: An empirical study of South African companies
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Harry Moongela* --- University of Pretoria, South Africa Marié Hattingh --- University of Pretoria, South AfricaThis study addresses the gap in the literature in terms of the lack of guidelines for organisations that would like to use social media to facilitate organisational learning (OL). This study presents an overarching conceptual theoretical framework that can assist... -
Integration among the BRICS stock markets: Filtering out global factors
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Ayesha Sayed --- University of Cape Town, South Africa Ailie Charteris --- University of Cape Town, South AfricaDespite the prominence of the BRICS bloc, little attention has been given to their stock market co-movement. This study investigates the time- and frequency-varying integration of the BRICS stock markets including new BRICS + members with active markets. We explore whether market... -
Weaving the tastes of tradition: Uncovering the threads of India’s culinary identity amid globalisation
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Ha van Trung --- Graduate Institute of Tourism Management, National Kaohsiung University of Hospitality and Tourism, Taiwan Du Quoc Dao --- Van Hien University, VietnamIn the face of globalisation’s homogenising wave, this study serves as a beacon, illuminating the intricate web of factors that safeguard culinary heritage in India. The study hypothesised that a myriad of elements interweaves to form the fabric of food... -
Data utilisation among employees in SMEs in Destination Limfjorden, Denmark
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Henrik S. Pahus --- Dania Academy, Denmark Lars Falk --- International Sales and Marketing, University College of Northern Denmark, DenmarkThis article explores the efforts of Destination Limfjorden in Denmark to enhance employees’ competencies and skills in small and medium-sized tourism enterprises (SMEs) through the strategic use of data. The study employs a mixed-method approach, integrating digital questionnaires and semi-structured... -
Characterizing some finite groups by the average order
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Z. Akhlaghi --- Amirkabir University of Technology (Tehran Polytechnic), Iran Behrooz Khosravi --- Amirkabir University of Technology (Tehran Polytechnic), Iran Ashkan ZareZadeh --- Amirkabir University of Technology (Tehran Polytechnic), IranThe average order of a finite group G is denoted by o(G). In this note, we classify groups whose average orders are less than o(S 4), where S 4 is the symmetric group on four elements. Moreover, we prove that... -
Cooperation in common property resource management: A group engagement approach
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Evans Shoko --- Cape Peninsula University of Technology, South Africa Bongani Ncube --- Cape Peninsula University of Technology, South AfricaThis study explored motivational cooperative behaviour types as a communal resource in a rural Zimbabwean setting. Using the group engagement model, the study examined motivational cooperative behaviour types in managing in managing water resources. Thirty community residents of Mhondoro-Ngezi District... -
The contribution of leader–member exchange (LMX) to organisational sustainable development: Results and implications from Kenyan public universities study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mirriam Ogunja --- University of Electronic Science and Technology of China, China Zhao Shurong --- University of Electronic Science and Technology of China, China Yu Manjing --- University of Electronic Science and Technology of China, China Huang Rui --- University of Electronic Science and Technology of China, China Du Ying --- University of Electronic Science and Technology of China, ChinaWe aimed to establish the contribution of leader–member exchange (LMX) to sustainable development of public universities in the emerging country of Kenya. The participants were 320 employees from public universities in Kenya (female = 43.1%; middle level managers = 47.8%,... -
Brand personality and purchase intention: The dual-mediating effects of brand attachment and nostalgia proneness
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Fanyi Zhao --- Seoul School of Integrated Sciences and Technologies (aSSIST University), South Korea Fei Huang --- Seoul School of Integrated Sciences and Technologies (aSSIST University), South KoreaWe examined the roles of brand attachment and nostalgia proneness in the relationship between the brand personality and purchase intention. Participants were 352 Chinese consumers (during the collection of the questionnaires, age ranges were set, but specific age numbers were... -
A review of the reported and future potential ecological impacts of the invasive freshwater snail Tarebia granifera in South Africa.
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JJ Pearson --- North-West University, South Africa R Gerber --- North-West University, South Africa W Malherbe --- North-West University, South Africa NJ Smit --- North-West University, South Africa L de Necker --- North-West University, South AfricaThe Southeast Asian gastropod Tarebia granifera is an invasive freshwater snail across several continents. Our review summarises the impacts of this invasive snail on invaded aquatic ecosystems. The most important impacts are those related to their ability to reproduce quickly... -
Life-history of invasive common carp, Cyprinus carpio, within a natural lake (Groenvlei), South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DL Mukhari --- Rhodes University, South Africa L Mofu --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa AT Lombard --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa CG Attwood --- University of Cape Town, South Africa M Witteveen --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa MKS Smith --- Rhodes University, South Africa PD Cowley --- Rhodes University, South Africa OLF Weyl --- Rhodes University, South Africa J Pegg --- Rhodes University, South AfricaCommon carp, Cyprinus carpio, is a global invasive species illegally introduced into the Groenvlei system, South Africa, in the 1990s for recreational angling. To manage this population effectively, basic information is needed on its biology including growth and reproduction. This... -
A rapid fishery assessment to collect biological information and life-history parameters for rednose labeo Labeo rosae and Mozambique tilapia Oreochromis mossambicus in Loskop Dam, Olifants River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: HA Hlungwani --- University of Limpopo, South Africa SM Marr --- University of Limpopo, South Africa OLF Weyl --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa AC Hoffman --- , South Africa H Botha --- University of Limpopo, South Africa JR Sara --- University of Limpopo, South AfricaA 2-week rapid fishery assessment using various sampling gears was conducted to collect life-history data on rednose labeo Labeo rosae and Mozambique tilapia Oreochromis mossambicus in Loskop Dam on the Olifants River, Mpumalanga Province, South Africa. These native species were... -
Molecular evidence reveals fish-pathogenic Aphanomyces spp. (Oomycetes: Saprolegniales) on new host of the threatened seasonal cyprinodont fish Nothobranchius spp. (Teleostei: Cyprinodontiformes) in south-eastern Democratic Republic of Congo
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Béla Nagy --- , FranceThe Aphanomyces species pose an important global threat and cause damage to aquaculture and agriculture by infecting aquatic animals and plants. Several subpopulations of the seasonal cyprinodont fish genus Nothobranchius with lesions suggestive of infection with Aphanomyces invadans, were observed... -
The use and protection of water resources in the uThukela River Catchment, South Africa: a review of its past, present and future
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Wade --- University of Mpumalanga, South Africa GC O’Brien --- Gulbali Institute, Charles Sturt University, Australia G Jewitt --- IHE Delft Institute for Water Education, the NetherlandsSouth Africa is a water-stressed country and therefore the quantity and quality of the water resources are very important. The uThukela River is one of South Africa’s largest rivers and is a critical component of water resource utilisation in South... -
Ensiling as a technique for preservation of the nutritional quality of Vachellia nilotica
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Fortune L Manganyi --- University of South Africa, Julius Tjelele --- Agricultural Research Council–Animal Production: Range and Forage Sciences, South Africa Khanyisile R Mbatha --- University of South Africa, Ngoako Letsoalo --- Agricultural Research Council–Animal Production: Range and Forage Sciences, South Africa Stephen Modiba --- , South Africa Thamsanqa Mpanza --- Agricultural Research Council–Animal Production: Nutrition, South Africa Francuois Müller --- Agricultural Research Council–Animal Production: Range and Forage Sciences, South AfricaFodder tree species are considered to have high nutritional value and have always played a significant role in feeding livestock during the dry seasons. The study was conducted to explore the possibility of preserving chopped Vachellia nilotica shoots as silage... -
Do corporate reputation concerns constrain real earnings management practices? A multidimensional analysis
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Oreshile Sulaiman Ademola --- Lagos State University, NigeriaPurpose: This study integrates Eisenegger and Imhof's (EI) reputation theory and the reputation-building hypothesis to explore how corporate reputation (CREP) concerns constrain real earnings management (REM). -
Managerial capabilities and their drivers: Lessons from grain-milling firms in Tanzania
Item type: Journal Article • Journal: Africa Journal of Management • Authors: David Rwehikiza --- University of Dar es Salaam, Tanzania Goodluck Charles --- University of Dar es Salaam, Tanzania Lettice Rutashobya --- University of Dar es Salaam, TanzaniaDespite managerial capabilities being credited for driving business performance, little evidence exists about how those capabilities are acquired. This study investigated managerial capabilities and their drivers in grain-milling firms in Tanzania. Based on a qualitative analysis of ten enterprises, the... -
The cumulative prospect theory and fund flows in emerging markets
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Amit Pandey --- Indian Institute of Technology Roorkee, India Anil Kumar Sharma --- Indian Institute of Technology Roorkee, IndiaThis study is the first to examine the efficacy of the Cumulative Prospect Theory value of the past return (CPTV) to explain fund flow in emerging markets funds by considering the impact of fund managers’ characteristics and behavioural biases on... -
Do changes in star selection criteria affect analyst behaviour?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Karam Kim --- Sungkyunkwan University, Republic of Korea Doojin Ryu --- Sungkyunkwan University, Republic of Korea Jinyoung Yu --- Xi'an Jiaotong-Liverpool University, ChinaThis study examines whether the star analyst selection criteria affect analysts’ coverage decisions and the informativeness of their reports. We focus on a change to the star evaluation criteria that increased the importance of quantitative standards. After the reform, analysts... -
Exploring the diversity of leafrollers (Lepidoptera: Tortricidae) associated with eucalypts in South African forestry nurseries and plantations, with a new report of Strepsicrates sp.
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Privilege T Makunde --- Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, South Africa Bernard Slippers --- Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, South Africa Brett P Hurley --- Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, South AfricaA number of insect pests cause damage to eucalypts in South Africa. Their accurate identification is a key part of managing and controlling these pests. The aims of this study were to identify leafroller insect species in South African eucalypt... -
Inclusive STEM education to fight poverty and inequality: The case of South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Getachew T. Sedebo --- Tshwane University of Technology, Republic of South Africa Ajebush A. Shafi --- Tshwane University of Technology, Republic of South Africa Mammo Muchie --- Tshwane University of Technology, Republic of South Africa Michael Y. Shatalov --- Tshwane University of Technology, Republic of South AfricaPublic higher education institutions (PHEIs) are considered public resources, yet equity in Science, Technology, Engineering, and Mathematics (STEM) fields within these institutions remains a global concern. The South African government acknowledges the importance of STEM education for all, yet its... -
Leveraging innovation and global value chains participation for industrialization: An agenda for research in Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluseye Jegede --- University of Johannesburg, South AfricaThis paper examines the intricate relationship between innovation and Global Value Chain (GVC) participation, with a focus on Africa's increased integration into global networks. The study underscores the importance of National Innovation Systems (NIS) in fostering technological advancements and highlights... -
Digital financial management skill training for women’s informal saving groups in Dodoma, Tanzania: Mapping user requirements
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Madina Hamisi Juma --- The University of Eastern Finland, Finland Nasibu Rajabu Mramba --- College of Business Education, Tanzania Jarkko Suhonen --- The University of Eastern Finland, Finland Alsen Florian Kapinga --- College of Business Education, Tanzania Matti Tedre --- The University of Eastern Finland, FinlandFinancial management skills are important for the performance of informal saving groups (ISGs) for making informed financial decision-making. Digital training solutions present a convenient, ubiquitous, and relatively affordable skills development mechanism. Despite the importance of digital financial management skills to... -
Four decades of research on religious tourism: prevalent themes and future research area
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Vaishali Singh --- Tezpur University (Central), India Anjan Bhuyan --- Tezpur University (Central), IndiaThis study aims to review and provide a comprehensive analysis on religious tourism from 1979 to 2024. It conducts a systematic literature review using the SPAR-4-SLR protocol and other bibliometric analytical techniques. Using performance analysis, the study unpacks the research... -
Measuring South Africa destination loyalty levels through recommending and complaining framings
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Concepción Román --- Institute of Tourism and Sustainable Economic Development, Universidad de Las Palmas de Gran Canaria, Juan Carlos Martín --- Institute of Tourism and Sustainable Economic Development, Universidad de Las Palmas de Gran Canaria, Engelina du Plessis --- North-West University, South AfricaThe study aims to analyse how framing (recommending versus complaining) affects the measurement of destination loyalty. It focuses on international tourists who visited South Africa, and evaluated loyalty through the two framings. The study tests whether loyalty can be measured... -
Enhancing assessment quality and reducing workload in hospitality higher education: a comprehensive strategy
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Rodney Westerlaken --- NHL Stenden University of Applied Science, The Netherlands Javed Suleri --- NHL Stenden University of Applied Sciences, The NetherlandsThis viewpoint article proposes a comprehensive assessment strategy to address two critical challenges in hospitality higher education: enhancing the quality of student work, while reducing educator workload. Drawing from programmatic assessment literature and practical experience in hospitality education, we present... -
Anticolonial Networks and Unbalances in Literary Journals and Bulletins: Mensagem, Présence Africaine and Black Orpheus
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Noemi Alfieri --- CHAM, NOVA FCSH/UaC, PortugalThis paper looks at the connections between the editorial projects of Mensagem (edited in Lisbon, by Casa dos Estudantes do Império, 1948–1965), Présence Africaine (Paris, France and Dakar, Senegal, from 1947) and Black Orpheus (Ibadan, Nigeria, 1957–1975). It reflects on... -
Authenticity, self-control, and smartphone dependence in adolescence: Path analysis and latent profile analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ying Zhu --- Mental Health Counselling and Guidance Centre for University Students, Huaibei Normal University, China Zihao Wang --- Huaibei Normal University, ChinaHow adolescents present positive self-qualities on the Internet has the potential to influence the extent of their smartphone usage. We examined the effect of adolescents’ authenticity and self-control on their level of smartphone dependence. First, the relationship between the three... -
Dance sport involvement and behavioural loyalty: Body image and self-efficacy among university students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yongdi Wang --- Hunan City University, China Kyungsik Kim --- Hoseo University, South Korea Qingyang Shao --- Hoseo University, South KoreaWe investigated the role of body image and self-efficacy in the relationship between dance sport involvement, and behavioural loyalty in university students participating in dance sport. A total of 75 students from each of ten universities were recruited. Participant were... -
How do consumers react to big data-based personalised pricing? A cognition–affect–behaviour perspective
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Huili Yan --- College of International Tourism and Public Administration, Hainan University, China Yuzhi Wei --- College of International Tourism and Public Administration, Hainan University, China Hao Xiong --- International Business School, Hainan University, China Luqing Wang --- College of International Tourism and Public Administration, Hainan University, ChinaWe explored how customers’ thoughts and feelings about big data-based personalised pricing (BDPP) impacts their reactions. We developed a conceptual model based on the cognition-affect-behaviour paradigm and tested it using data from 284 consumers in the tourism and hospitality industry... -
Untangling the Magelonidae (Annelida: Polychaeta) of southern Africa, including the description of a new species
Item type: Journal Article • Journal: African Zoology • Authors: Kate Mortimer --- Amgueddfa Cymru-Museum Wales, United Kingdom Dylan T Clarke --- Iziko Museums of South Africa, South Africa‘A monograph on the Polychaeta of Southern Africa’ by J. H. Day, published in 1967 and covering over 700 species, was considered an essential reference text for marine biologists. Nonetheless, despite the major contribution it has made, we now know... -
Eunicid polychaete worms used as bait with particular reference to Australia, South Africa and France; the need for development of management plans based on their biology and ecology
Item type: Journal Article • Journal: African Zoology • Authors: Pat Hutchings --- Australian Museum Research Institute, Australia Jyothi Kara --- , South Africa Nicolas Lavesque --- CNRS, Université de Bordeaux, Bordeaux INP, EPOC,Worldwide, bait worms are collected for recreational and subsistence fishing, and fetch high prices in bait shops. While a variety of polychaete families are collected, we focus only on the “Marphysa” group (Family Eunicidae) occurring in rivers, estuaries and protected... -
Nearly six decades of grazing research published by the Grassland Society of Southern Africa: trends, recommendations and gaps
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: G Arena --- , South Africa H-J Hawkins --- , South AfricaWe reviewed research on grazing in extensive rangelands published by the Grassland Society of Southern Africa’s (GSSA) flagship journal, founded in 1966. We aimed to identify and synthesise emerging themes, trends, key recommendations and research gaps. From 1966 to 2023,... -
People and rangelands: a review of the contribution of the African Journal of Range and Forage Science to advancing knowledge on the human dimensions of African rangelands
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Wayne Twine --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South AfricaThe social dimensions of rangeland systems are increasingly highlighted in international rangelands literature. This paper presents a systematic review of the African Journal of Range and Forage Science from 1966 to 2023 to evaluate its contributions to this scholarship. The... -
The effect of online nutrition and lifestyle education on body image dissatisfaction, body mass index, and disordered eating among female university undergraduate students in Lagos, Nigeria
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Foluke Adenike Olatona --- University of KwaZulu-Natal, South Africa Annette Van Onselen --- University of South Africa, South Africa Unathi Kolanisi --- University of Zululand, South Africa -
Over half of South African beverages will require warning labels for high sugar and/or artificial sweeteners
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Wantonda Mukhovha --- University of the Witwatersrand, South Africa Naledi Sibiya --- University of the Witwatersrand, South Africa Thanujj Kisten --- University of the Witwatersrand, South Africa Molatela K Mamabolo --- University of the Witwatersrand, South Africa Siphiwe N Dlamini --- University of the Witwatersrand, South AfricaObjective: To determine the proportion of commercially available beverages that may require warning labels for high sugar content and the presence of artificial sweeteners in South Africa. -
Identification of factors influencing electricity consumption in Yaoundé City, Cameroon
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Léonce Tokam --- University of Lomé, Togo Sanoussi S. Ouro-Djobo --- University of Lomé, TogoThis study explores the factors influencing household electricity consumption in Yaoundé, Cameroon, where energy poverty, frequent power cuts and high tariffs pose major challenges to ensuring reliable, affordable and permanent access to electricity for populations, given the energy potential the... -
Relationship between diabetes knowledge, self-management practices, and glycaemic control among patients attending diabetic clinic at a tertiary level hospital in Johannesburg, South Africa
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: BSL Moshoeshoe --- University of the Witwatersrand, South Africa Z Bayat --- University of the Witwatersrand, South Africa S Bulbulia --- University of the Witwatersrand, South Africa -
The influence of Connochaetes taurinus carcass decomposition on soil nutrient composition in grasslands
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: EA Kullander --- University of South Africa, South Africa MS Deutschländer --- University of South Africa, South Africa VM Ngole-Jeme --- University of South Africa, South Africa HI Melville --- University of South Africa, South AfricaDecomposing carcasses leach nutrients into soils, forming dense, nutrient-rich islands. The effect of liquid influx on ecological dynamics from decomposing blue wildebeest (Connochaetes taurinus) carcasses on soil nutrient content at various stages of decomposition in a grassland ecosystem was investigated... -
Integrating seasonal forecast information with crop models to inform decision making in small-scale farming under climate variability
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Siyabusa Mkuhlani --- Climate Systems Analysis Group, Environmental and Geographical Science Department, Faculty of Science, University of Cape Town, South Africa Farirai Rusere --- University of the Witwatersrand, South Africa Nkulumo Zinyengere --- World Bank Group, USA Olivier Crespo --- Climate Systems Analysis Group, Environmental and Geographical Science Department, Faculty of Science, University of Cape Town, South AfricaIntegrating seasonal forecast information and crop models has the potential to inform farm management decisions under climate variability. The study assessed the feasibility of integrating seasonal forecast information into crop models for decision making in small-scale farming conditions in South... -
Genome-wide genetic-marker variation uncovers potential stock structuring of oceanic tuna (skipjack) and coastal tuna (kawakawa) within the western Indian Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: FA Mzingirwa --- Kenya Marine and Fisheries Research Institute (KMFRI), Kenya NJ McKeown --- Aberystwyth University, United Kingdom GM Okemwa --- Kenya Marine and Fisheries Research Institute (KMFRI), Kenya WHH Sauer --- Rhodes University, South Africa JS Halafo --- Instituto Oceanográfico de Moçambique (InOM), Mozambique JG Mshana --- Sokoine University of Agriculture, Tanzania JN Kamau --- Kenya Marine and Fisheries Research Institute (KMFRI), Kenya PW Shaw --- Rhodes University, South AfricaTuna and tuna-like species are highly mobile and migratory, and therefore assumed to have single highly connected populations over large ocean regions. However, empirical data on the genetic population structure of such species in the western Indian Ocean (WIO) remain... -
Biometry, hatching efficiency, growth performance and survival of the brine shrimp Artemia franciscana from Tanzania
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AT Jacob --- Sokoine University of Agriculture, Tanzania IB Kapinga --- , Tanzania AP Mwijage --- Tanzania Fisheries Research Institute (TAFIRI), Tanzania A Luvanga --- Tanzania Fisheries Research Institute (TAFIRI), Tanzania A Mremi --- , Tanzania C Sekadende --- Tanzania Fisheries Research Institute, Tanzania SS Shaban --- Tanzania Fisheries Research Institute, Tanzania HA Lamtane --- Sokoine University of Agriculture, Tanzania AB Matondo --- College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, TanzaniaThis study determined the biometry, hatchability and growth performance of a strain of the brine shrimp Artemia franciscana, a species now widely introduced globally, obtained from salt farms in the Tanga Region, Tanzania. The cysts were collected from salt pans... -
Predation of free-range chickens by invasive House Crows Corvus splendens in Dodoma, Tanzania
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Kelvin Ngongolo --- University of Dodoma, Tanzania Naza Mmbaga --- University of Dodoma, Tanzania Doreen Mrimi --- University of Dodoma, TanzaniaThis study reports on the perspectives of local farmers on predation on chickens by the invasive House Crow Corvus splendens, together with their coping strategies, in Dodoma, Tanzania. A survey was conducted among 391 farmers of free-range chickens in urban... -
Using wing bar patterns to identify sex in Crowned Eagles Stephanoaetus coronatus: A misleading field characteristic
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Shane C Sumasgutner --- Centre for Functional Biodiversity, School of Life Sciences, University of KwaZulu-Natal, South Africa Lauren K Common --- University of Vienna, Austria Simon Thomsett --- Soysambu Conservancy, Kenya Colleen T Downs --- Centre for Functional Biodiversity, School of Life Sciences, University of KwaZulu-Natal, South Africa Petra Sumasgutner --- University of Vienna, AustriaAlmost universally, raptors exhibit some degree of sexual size dimorphism, with many species also having substantial sexual dimorphism in plumage patterns. The monophyletic clade ‘booted eagles’ generally do not, except for the Crowned Eagle Stephanoaetus coronatus, which are believed to... -
Free-ranging poultry owners’ opinion towards raptors in Plateau State, Nigeria
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Caka Karlsson --- Biota Conservation Hub Foundation, Nigeria Michael M Williams --- Biota Conservation Hub Foundation, Nigeria Josiah Ibrahim --- AP Leventis Ornithological Research Institute, Nigeria Talatu Tende --- AP Leventis Ornithological Research Institute, Nigeria Ulf Ottosson --- AP Leventis Ornithological Research Institute, NigeriaDespite the importance of the poultry sector in Nigeria, limited research has explored free-ranging poultry farmers’ attitudes towards raptors and the factors influencing these perceptions. Perceptions, whether grounded in evidence or not, can shape behaviours and influence conservation outcomes, as... -
Trends and population size of White-necked Rockfowl Picathartes gymnocephalus within the Nyamibe Bepo Forest Reserve in Ghana
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Joseph Kwasi Afrifa --- Ghana Wildlife Society, Accra Conservation Education Centre, Ghana Ernestina Ahema --- Ghana Wildlife Society, Accra Conservation Education Centre, Ghana Winston Kanyi --- Ghana Wildlife Society, Accra Conservation Education Centre, Ghana Gideon Nyamekye Osei --- Ghana Wildlife Society, Accra Conservation Education Centre, Ghana Darkwah Yaw Amoateng --- Ghana Wildlife Society, Accra Conservation Education Centre, Ghana Augustus Asamoah --- Proforest Africa Regional Office, GhanaThe White-necked Rockfowl Picathartes gymnocephalus (family Picathartidae) is endemic to the Upper Guinea forest and has a global population of <10 000 mature individuals. This species is listed as Vulnerable on the IUCN Red List owing to its declining population,... -
Women, gender fluidity and Shona kinship structure in Zimbabwe
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Rose Jaji --- German Institute of Development and Sustainability, GermanyThis article discusses the complexities of Shona kinship structure and how it positions women through relationships that are based on consanguinity and affinity. The article, which is an auto-ethnographic discussion emanating from my insider status as a participant observer in... -
Social entrepreneurship in Africa: A systematic multilevel literature review
Item type: Journal Article • Journal: Africa Journal of Management • Authors: David Littlewood --- Sheffield University Management School, UK Giacomo Ciambotti --- Faculty of Economics, Università Cattolica del Sacro Cuore, Italy Andrea Sottini --- Faculty of Economics, Università Cattolica del Sacro Cuore, ItalyThis paper presents the findings of a systematic multi-level literature review of research on social entrepreneurship in Africa. Our review focuses on work from the last decade, since the first issue of the Africa Journal of Management was published, and... -
Size matters: When do minor discontinued operations become major?
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Mattheus Theodorus Mey --- Stellenbosch University, South AfricaPurpose: This paper explores the thresholds that firms apply when classifying discontinued operations in accordance with the requirement in IFRS 5 Non-current Assets Held for Sale and Discontinued Operations (IFRS 5). -
Factors influencing the quality of financial information: A systematic literature review
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Masidivinga Landu --- University of Aveiro, Portugal Jorge H. Mota --- , Portugal António Carrizo Moreira --- , Portugal Ana Maria Bandeira --- Porto School of Accounting and Business (ISCAP), Polytechnic of Porto (P.PORTO); Center for Organisational and Social Studies (CEOS.PP), PortugalPurpose: This research seeks to identify the key factors influencing the quality of financial information within the context of globalisation and complex commercial transactions. -
The spillover and leverage effects and trading volume of FinTech Exchange-Traded Funds
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Sabbor Hussain --- Chung Yuan Christian University, Taiwan Jo-Hui Chen --- Department of Finance, Chung Yuan Christian University, TaiwanThis paper explores the spillover and leverage effects, as well as trading volume dynamics, of Financial, Technology, and FinTech Exchange-Traded Funds (ETFs) using ARMA-GARCH and ARMA-EGARCH models. The study indicates that these ETF sectors and the stock market index have... -
Investigating the link between ESG activities and dividend policies
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Doojin Ryu --- Sungkyunkwan University, Korea Doowon Ryu --- Kyung Hee University, Korea Heejin Yang --- Dongguk University WISE Campus, KoreaThis study investigates the relationship between environmental, social, and governance (ESG) activities and dividend policies among non-financial firms. Specifically, it explores how ESG performance influences dividend payout levels, stability, and the likelihood of dividend payments. Using a broad sample of... -
Techno-economic and environmental assessment of battery integrated wind farm siting across offshore Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Gbubemi Kevin Akporhonor --- Energy and Environment Cranfield University, United KingdomThis study investigates the economic, technical, and environmental impacts of integrating a battery energy storage system (BESS) with an offshore wind farm near Koko Sea Port, Nigeria. As renewable energy curtailment increases and Nigeria’s energy demand grows, energy storage systems... -
Sugar-sweetened beverage intake and anthropometric profile of grade 6 learners in the Nelson Mandela Bay area, South Africa: a mixed-methods study
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Candice Stansbury --- Stellenbosch University, South Africa Zarina Ebrahim --- Stellenbosch University, South Africa Daniel Nel --- Stellenbosch University, South Africa Penelope Love --- Deakin University, Australia Yolande Smit --- Stellenbosch University, South AfricaBackground: A paucity of data exists regarding the intake of sugar-sweetened beverages (SSBs) among children and the prevalence of childhood overweight and obesity in the Nelson Mandela Bay area in South Africa (SA). -
Frequent defoliation rapidly and progressively reduces the vigour of a perennial mesic grassland forb, Thunbergia atriplicifolia
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Craig D Morris --- University of KwaZulu-Natal, South Africa Sindiso Nkuna --- University of KwaZulu-Natal, South AfricaForbs in South African mesic grasslands are ancient, numerous, and diverse, thriving with fires and light herbivory but declining under chronic, severe grazing and trampling. This study tested the hypothesis that repeated herbivory progressively weakens forbs by reducing their underground... -
Quality characteristics of forage in the sowing year of a standard perennial pasture established with annual ryegrass, barley, and berseem clover as companion crops
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Hasan Beytullah Dönmez --- Çukurova University, Turkey Rustu Hatipoglu --- Kırşehir Ahi Evran University, TurkeyThis study was conducted to determine the effect of different seed sowing rates (25%, 50%, 75%, 100% of the recommended pure stand of the species) and harvesting stages (early harvest, late harvest) of annual ryegrass, barley, and berseem clover used... -
Status of minority languages in South Africa: the case of the exclusion of isiHlubi in schools
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Rockie Sibanda --- Cultural Studies and Applied Linguistics, University of Johannesburg, South Africa Vuyiswa Mankayi --- Cultural Studies and Applied Linguistics, University of Johannesburg, South AfricaThis study aims to contribute to understanding the complexities surrounding minority languages in South Africa, with isiHlubi serving as a poignant case study. It explores the nuances and complexities inherent in the exclusion of isiHlubi in schools in Kokstad, KwaZulu-Natal... -
Ukucobelelana ngolwazi olungamagugu ase-Afrika lwesenzo ‘goma’ olusemyalezweni osenkundleni yezokuxhumana iTikTok
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Beryl Babsy Boniwe Xaba --- University of South Africa, South AfricaSekube nokukhalaza okuningi ngokubhalwa kolimi ezinkundleni zokuxhumana. Izingcweti zolimi kanye nabacwaningi bolimi abagculisekile ngokusetshenziswa kolimi kulezi zizindalwazi. Isililo esikhulu sisuswa ukungayilandeli imigomo nemithetho yolimi lwesiZulu uma kubhalwa ezinkundleni zokuxhumana. Lolu cwaningo luhlose ukwethula indlela inkundla yezokuxhumana iTikTok efundisa ngayo ngemvelaphi... -
An analysis of totemic animal imagery in Setswana praise poems of the Bakwena ba Mogopa clan of the Southern African Batswana
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Joseph Maleke Sethabela --- Faculty of Humanities, Nelson Mandela University, South AfricaThis article explores the importance of totemic animal imagery in three extracts from Bakwena ba Mogopa praise poems, published in the original Setswana and subsequently translated into English. The poems, identified through convenience sampling, were chosen because they are representative... -
Nominalisation and semantic shift in selected isiXhosa nouns
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Andiswa Mvanyashe --- Nelson Mandela University, South AfricaThis study addresses the process of nominalisation in isiXhosa to establish its historical development and implications on the writing and sense of words. Nominalisation, an important feature of scientific writing, enables information concentration as well as grammatical functions such as... -
Blockchain scheme for decentralization in healthcare
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: B. S. Anupama --- Department of Computer Science and Engineering, Siddaganga Institute of Technology, Tumkur, Visvesvaraya Technological University, Belagavi-590018, Karnataka, India N. R. SunithaCentralization of many of healthcare data management systems in use today raises the risk of a single point of failure in case of natural disaster. Blockchain is decentralized technology that securely records and verifies transactions across multiple computers, making it... -
Political commitment, Science, Technology, and Innovation (STI) policy design and sustainable development: Lessons from Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Olawale Rafiu Olaopa --- Imam Abdulrahman Bin Faisal University, Kingdom of Saudi ArabiaScience, Technology and Innovation (STI) is significant from the perspective of ‘Global Agenda of 2030’ and for realizing the Sustainable Development Goals (SDGs) for enhanced productivity and value addition that can accelerate the competitiveness of a nation. However, the seemingly... -
Spatial and temporal distribution of shallow-water hake Merluccius capensis off the south coast of South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: LCJ Nomxego --- Fisheries and the Environment (DFFE), South Africa OS Kjesbu --- Institute of Marine Research, Norway WHH Sauer --- Rhodes University, South Africa MR Lipinski --- Rhodes University, South AfricaThis study investigated the spatial and temporal distribution of shallow-water hake Merluccius capensis off the south coast of South Africa, using 1 807 females collected by bottom trawling during industry and research surveys between 2014 and 2016. Mean body size... -
Spatial environmental variability shapes the diversity of bottom ecosystems on the western Gulf of Guinea shelf
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Denechaud --- Institute of Marine Research (IMR), Norway E Dovlo --- Fisheries Scientific Survey Division (FSSD), Ghana T Joanny --- Centre de Recherches Océanologiques (CRO), Côte d’Ivoire VS Osei --- Fisheries Scientific Survey Division (FSSD), Ghana L Buhl-Mortensen --- Institute of Marine Research (IMR), Norway A Staby --- Institute of Marine Research (IMR), NorwayThe western Gulf of Guinea is characterised by seasonal upwellings and hosts a large diversity of marine species. Although the assemblages of bottom fishes and benthic organisms are periodically assessed, there has been little research investigating these in tandem. We... -
Memory and Swahili Aesthetics in Abdulrazak Gurnah’s By The Sea
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Ephantus Kamuhuro --- University of Embu, Kenya Justus Kizito Siboe Makokha --- Kenyatta University, KenyaAbdulrazak Gurnah’s novel By the Sea (2001) is a remarkable work of art wrought out of a diasporic location on the old East African Coast; particularly Zanzibar, an island in the Indian Ocean that is part of the United Republic... -
Impact of land use changes on soil physical quality in southeastern Tigray, Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Araya Kahsay --- Adigrat University, Ethiopia Mitiku Haile --- Mekelle University, Ethiopia Girmay Gebresamuel --- Mekelle University, Ethiopia Muktar Mohammed --- Oda-Bultum University, EthiopiaThis study evaluates the effects of land use changes on soil physical quality in southeastern Tigray, northern Ethiopia, using the visual evaluation of soil structure (VESS) method. Soil samples were collected from cropland, grassland, and shrubland sites during two field... -
Nutritional management of adult patients hospitalised with COVID-19 by dietitians in KwaZulu-Natal
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Kirthee Pillay --- University of KwaZulu-Natal, South Africa Naseera Ebrahim --- University of KwaZulu-Natal, South Africa -
Partially ordered rings with negative squares
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Nhi Durtschi --- University of Houston-Clear Lake, USA Jingjing Ma --- University of Houston-Clear Lake, USA R.H. Redfield --- Hamilton College, USAA partially ordered ring (R, ≤) with negative squares is a partially ordered ring in which for some element a ∈ R, a 2 < 0. In this paper, we study this class of partially ordered rings. It is shown... -
The added value of community-based organisations in retaining people living with HIV (PLHIV) in the continuum of care in Mali
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Marion Di Ciaccio --- Community-based research laboratory, Coalition PLUS, France Mariam Yebedie --- Association pour la Résilience des Communautés pour l’Accès au Développement et à la Santé - ARCAD Santé PLUS, Mali Kanuya Coulibaly --- Association pour la Résilience des Communautés pour l’Accès au Développement et à la Santé - ARCAD Santé PLUS, Mali Diane Dondbzanga --- Association pour la Résilience des Communautés pour l’Accès au Développement et à la Santé - ARCAD Santé PLUS, Mali Djénébou Traoré --- Association pour la Résilience des Communautés pour l’Accès au Développement et à la Santé - ARCAD Santé PLUS, Mali Mamadou Cissé --- Association pour la Résilience des Communautés pour l’Accès au Développement et à la Santé - ARCAD Santé PLUS, Mali Bintou Dembélé --- Association pour la Résilience des Communautés pour l’Accès au Développement et à la Santé - ARCAD Santé PLUS, Mali Laura Rouane --- Community-based research laboratory, Coalition PLUS, France Rosemary M Delabre --- Community-based research laboratory, Coalition PLUS, France Daniel Simões --- Community-based research laboratory, Coalition PLUS, France Daniela Rojas Castro --- Community-based research laboratory, Coalition PLUS, France Luis Sagaon-Teyssier --- Aix Marseille Univ, Inserm, IRD, SESSTIM, Sciences Economiques & Sociales de la Santé & Traitement de l’Information Médicale, ISSPAM, FranceBackground: Retention in care of people living with HIV (PLHIV) is a crucial public health issue in Mali. Several barriers to retention have been highlighted, including socioeconomic status, gender, sexual orientation, HIV-related stigma, as well as organisational and structural barriers,... -
The role of academic institutions in leveraging innovation through patenting activities: A diagnostic of the Moroccan experience focusing on the agricultural sector
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sanaa Zebakh --- Ibn Tofail University, Morocco Jaouad Anissi --- EUORMED Research Centre EI-BIOMEDTECH, EUROMED University of Fes, Morocco, Salim Bounou --- EUORMED Research Centre EI-BIOMEDTECH, EUROMED University of Fes, Morocco, Mohammed Sadiki --- Rabat-Instituts, MoroccoIn the late 2000s, Morocco implemented various actions and programmes to establish a National Innovation System, which has helped to bolster innovation and patenting activities within higher education and research institutions. This article investigates the Moroccan innovation framework that facilitated... -
Does spring defoliation affect energy reserves in a South African mesic grassland geophyte?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Craig D Morris --- c/o School of Life Sciences, University of KwaZulu-Natal, South Africa Sindiso Nkuna --- School of Life Sciences, University of KwaZulu-Natal, South AfricaOvergrazing reduces the abundance of mesic grassland forbs, including geophytes. The potential negative effect of spring grazing, aimed at exploiting high-quality grass forage, on energy reserves in underground storage organs (USOs) of a mesic grassland geophyte, Merwilla plumbea (Lindl.) Speta,... -
Ethnic community languages in contemporary social media advertisements in Tanzania
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Emmanuel Ilonga --- Dar es Salaam University College of Education (DUCE), TanzaniaA speech community’s expectation is to see its language develop. However, such an imaginative prospect may not materialise due to the asymmetrical power dynamics between influential and less influential speech communities. Consequently, less influential societies are forced to depend on... -
Psychotherapy in South African indigenous languages: Positioning isiXhosa as a language of symbolisation
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Ntokozo Gqweta --- University of the Witwatersrand, South AfricaThe sociopolitical history of language use in South Africa is controversial and complex. This article utilises postcolonial theory to problematise the historical pattern of language use in South Africa to oppress black people. African psychology and Afrocentricity are used to... -
Transforming language discourse in higher education through reading modules in African languages
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Nkidi Phatudi --- College of Education, University of South Africa, Millicent Ngema --- College of Education, University of South Africa,The discourses around teaching and learning in South Africa are intense, with English still being a preferred language of learning and teaching at higher education level. The dominance of English as the language that unifies societies economically and politically marginalises... -
Persuasion in compliance-gaining messages in Milubi’s play Ndi muṱodzi muni?
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Mawande Dlali --- Stellenbosch University, South Africa Masindi Sadiki --- Stellenbosch University, South AfricaThis article explores compliance-gaining messages in interpersonal interactions that show persuasion by critically analysing discourse excerpts from the Tshivenḓa play Ndi muṱodzi muni? (‘What kind of tear is this?’). The play displays how communication with goal-attainment intentions occur in Tshivenḓa... -
Names of the days in the seven-day week in Bantu languages of Tanzania
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Amani Lusekelo --- University of Dar es Salaam,Studies about the names of the days of the week in Eastern African societies have previously focused on a single ethnic group. Therefore, it is necessary to investigate the names across Bantu1 languages of Tanzania in order to set apart... -
Political economy of languages in South African higher education
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Kealeboga Aiseng --- University of the Witwatersrand, South AfricaThis study examines the political economy of languages in South African universities, focusing on the sustained dominance of English and Afrikaans despite policy shifts promoting multilingualism. While some institutions have taken steps to incorporate indigenous languages into their teaching frameworks,... -
Assessment of seed quality through rapid tests: a bibliometric analysis
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Carlos Luiz da Silva --- Federal Rural University of Pernambuco, Brazil Marcone Moreira Santos --- Federal Rural University of Pernambuco, Brazil Eliane Cristina Sampaio de Freitas --- Federal Rural University of Pernambuco, Brazil Raquel Maria de Oliveira Pires --- Federal University of Lavras, Brazil Moema Barbosa de Sousa --- Federal Rural University of Pernambuco, Brazil Paulo César da Silva Santos --- Federal Rural University of Pernambuco, Brazil Erika Rayra Lima Nonato --- Federal Rural University of Pernambuco, Brazil Gabriel Alves de Lima --- Federal Rural University of Pernambuco, Brazil Ricardo Gallo --- Federal Rural University of Pernambuco, BrazilSeed quality is essential to ensure success in plant production. Traditionally, germination testing is widely used to assess seed viability, but it is a time-consuming process. Consequently, rapid tests have been increasingly explored due to their efficiency and speed. This... -
The effect of eucalypt slash burning and repeated disc harrowing on fuel load reduction, soil properties, and stand productivity
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Angel A Goldsmith --- Stellenbosch University, South Africa Ben du Toit --- Stellenbosch University, South AfricaIn plantation forestry systems, disc harrowing is sometimes used as a fuel load reduction measure to minimise wildfire risk. This study reports the long-term effects of repeated disking on fuel loading, soil properties and tree growth in two eucalypt stands... -
Proxy variables to represent the productive capacity in a forest growth and yield model for eucalypt hybrid plantations in north-eastern Bahia, Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Mariana Futia Taquetti --- Universidade Federal de Viçosa, Brazil Carlos Pedro Boechat Soares --- Universidade Federal de Viçosa, Brazil Helio Garcia Leite --- Universidade Federal de Viçosa, Brazil Álvaro Augusto Vieira Soares --- Universidade Federal de Uberlândia, Instituto de Ciências Agrárias, Brazil Gilson Fernandes da Silva --- Universidade Federal do Espírito Santo, BrazilThe present study aimed to evaluate proxy variables to represent the productive capacity of the sites in a forest growth and yield model for plantations of Eucalyptus urophylla × Eucalyptus grandis hybrid, considering them in a linear and a linear... -
Challenging the bottom-of-the-pyramid narrative in Africa: A cross-cultural management perspective on the impact of mobile money
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Terence Jackson --- Middlesex University, UK Ellis L.C. Osabutey --- Northumbria University, UKThe “bottom-of-the-pyramid” (BoP) narrative underpins the introduction of fintech initiatives such as mobile money into Africa’s largely informal economies by multinational enterprises (MNEs) often endorsed by the international development community. This is claimed to enhance financial inclusion and enterprise development... -
Real earnings management practices and financial performance: The moderating role of whistleblowing policy
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Sulaiman Ademola Oreshile --- Lagos State University, Nigeria Yusuf Adeneye --- Universiti Malaysia Kelantan, Malaysia -
Building an ethical artificial intelligence corporate governance framework for the integration of emerging technologies into business processes
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Husain Coovadia --- University of Johannesburg, South Africa Ben Marx --- University of Johannesburg, South Africa Ilse Botha --- University of Johannesburg, South Africa Nusirat O. Gold --- University of Johannesburg, -
Participant acceptability and clinician satisfaction of cognitive behavioural therapy and medication management algorithm compared with enhanced standard care for treatment of depression among youth with HIV
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Emily A Barr --- University of Texas Health Science Center at Houston, USA Kristin Baltrusaitis --- Harvard T.H. Chan School of Public Health, USA Betsy D Kennard --- University of Texas Southwestern Medical Center, USA Graham J Emslie --- University of Texas Southwestern Medical Center, USA Chelsea Krotje --- , USA Kevin Knowles --- , USA Sarah Buisson --- , USA Lauren Bergam --- Harvard T.H. Chan School of Public Health, USA Jaime G Deville --- David Geffen School of Medicine at the University of California, USA Susan L Gillespie --- , USA Melissa Shikora --- , USA Ellen Townley --- National Institute of Allergy and Infectious Diseases, National Institute of Health, USA David E Shapiro --- Harvard T.H. Chan School of Public Health, USA Larry K Brown --- Alpert Medical School of Brown University, USABackground: Primary results of the International Maternal Pediatric Adolescent AIDS Clinical Trials Network (IMPAACT) 2002 trial showed that cognitive behavioural therapy (CBT) and medication management algorithm (MMA) (COMB-R) significantly improved depression in youth with HIV (YWH) compared with enhanced standard... -
Adaptive Beta Shrinkage estimation of covariance matrices
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Henri Staal --- Department of Statistics and Actuarial Science, Stellenbosch University, South Africa Emlyn Flint --- Peresec, South AfricaAccurate estimation of the covariance matrix is essential for mean-variance portfolio optimisation, yet the sample covariance matrix is a notoriously noisy estimate, especially in high dimensions. Contemporary shrinkage methods attempt to mitigate this noise but often retain significant estimation error... -
Validation of the Child and Youth Resilience Measure (CYRM-R) in rural contexts in South Africa
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Huiming Ding --- Institute of Education, University College London, United Kingdom Patrick Callaghan --- London South Bank University, United Kingdom Qing Gu --- Institute of Education, University College London, United Kingdom Liesel Ebersöhn --- University of Pretoria, South AfricaIntroduction: Resilience is central to young children’s healthy and happy development. The Child and Youth Resilience Measure (CYRM-R) has been widely used in several countries. However, its construct validity among young children in rural South Africa has not been examined... -
11. Sugar and health: a food-based dietary guideline for South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Temple NJ --- Centre for Science, Athabasca University, Canada Steyn NP --- Knowledge Systems, Human Sciences Research Council,The intake of added sugar appears to be increasing steadily across the South African population. Children typically consume approximately 40-60 g/day, possibly rising to as much as 100 g/day in adolescents. This represents roughly 5-10% of dietary energy, but could... -
Mutual fund shareholdings and performance: A network perspective
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Bing Li --- University of Shanghai for Science and Technology (USST), China Jiancheng Lin --- University of Shanghai for Science and Technology (USST), China Yaopeng Wang --- University of Shanghai for Science and Technology (USST), ChinaMutual fund shareholdings build up complex relations between funds and can impact fund performance as well. We focus on the Chinese mutual fund market to examine the relationship between mutual fund shareholdings and performance. Specifically, we describe the complex shareholding... -
Podiatric intervention to salvage diabetic lower limbs: a case report
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: ME Moothee --- University of Johannesburg, South Africa T Mokoena --- Charlotte Maxeke Johannesburg Academic Hospital, South AfricaIn South Africa (SA), podiatrists play an important role in the multidisciplinary team in diabetic limb salvage. Preventive ulcer development strategies offered by a podiatrist include regular monitoring, routine care of calluses, and offloading. Furthermore, podiatric intervention includes prophylactic and... -
Divergent Housing Spatialities and Gender Subjectivities in Transition: Women's Cooperatives and Poverty Eradication Discourse in Dakar, Senegal
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Elettra Griesi --- Collaborative Research Centre 1265, Technische Universität Berlin, GermanyThis article examines the dynamic relationship between spaces and subjectivity, demonstrating how they mutually influence each other to produce distinctive housing spatialities. Through ethnographic research in Thiaroye sur Mer, Dakar (Senegal), I analyze how women's subjectivities, responding to historical processes... -
ChiShona lexical interference in Zimbabwean isiNdebele: A case of selected schools in Gweru
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Cordial Bhebe --- University of the Free State, Martha Khosa --- University of the Free State,The study explores syntactic interference involving isiNdebele and ChiShona in the teaching and learning of isiNdebele in a dominant ChiShona-speaking environment. The study was undertaken in secondary schools in Gweru in Zimbabwe. The investigation adopted a qualitative paradigm, while the... -
The nominal impacts of L2 on L1: A case of Swahili on the Kinga language
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Obadia Yohana Mbilinyi --- University School of Languages, Gujarat University, India Jagdish Joshi --- University School of Languages, Gujarat University, IndiaThis study is about the nominal impact of L2 (Swahili) on L1 (Kinga) as a result of their contact. The objective was to identify the extent to which L2 lexicon has penetrated L1 lexicon, this study is significant as it... -
Effectiveness of YouTube in the learning and preservation of the Yoruba language in Nigeria
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Babatunde Adeyeye --- North-West University, South Africa Abiodun Salawu --- North-West University, South AfricaThis study investigated YouTube’s effectiveness in the learning and preservation of the Yoruba language among youths of Ota, Ogun State, Nigeria. Data was collected through a mixed-methods approach using a survey and content analysis. Findings demonstrate the awareness (85%) of... -
Exploring the interplay of local language(s) and transformation to facilitate communication and change in (South) Africa
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Mogomme Alpheus Masoga --- University of the Free State, South Africa Allucia Lulu Shokane --- University of Zululand, South AfricaThis research explores local language(s) and transformation as key facilitators of a dynamic interplay between the power of communication and the capacity for change. It is argued that language serves as a multifaceted tool that not only conveys thoughts and... -
Potentials of fabric scraps management for value creation among fashion designers in South West Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluwafeyikemi E. Bashorun --- Olabisi Onabanjo University, Nigeria Idris O. Badiru --- University of Ibadan, Nigeria Mojisola F. Oyewole --- University of Ibadan, Nigeria Taibat T. Adebisi --- University of Ilorin, Nigeria Olufunmilayo O. Braide --- Federal University of Agriculture, Nigeria Adenike O. Lawal --- Olabisi Onabanjo University, NigeriaThe global fashion industry generates substantial fabric waste, contributing to severe environmental pollution. Fabric Scraps Management (FSM) practices offer a pathway to mitigating waste while fostering value creation. This study investigates the quantity of Fabric Scraps (FS) produced, the level... -
Modelling users’ intention to migrate from free to premium personal cloud storage in freemium business models: A machine learning approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: John Oredo --- Department of Library and Information Science, University of Nairobi,Extant technology post-adoption studies focus on effective and continued use. The current study models the features that explain and predict users’ intention to migrate from free to premium cloud storage services. Data were collected from 122 postgraduate students on perceived... -
Establishing a basis for recognising marine ‘other effective area-based conservation measures’ (OECMs) in South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SP Kirkman --- Fisheries and the Environment (DFFE), South Africa P Kowalski --- , South Africa SD Holness --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa LJ Atkinson --- , South Africa R Brand --- Western Cape Government, South Africa L Dunga --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa TP Fairweather --- Fisheries and the Environment (DFFE), South Africa T Goldman --- Rhodes University, South Africa D Marnewick --- Eastern and Southern Africa Regional Office, South Africa J Nhleko --- Fisheries and the Environment (DFFE), South Africa R Peter --- Fisheries and the Environment (DFFE), South Africa C Smith --- World Wide Fund for Nature – South Africa (WWF-SA), South Africa MG van der Bank --- South African National Biodiversity Institute (SANBI), Kirstenbosch Research Centre, South Africa G van der Heever --- Fisheries and the Environment (DFFE), South Africa L van Niekerk --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa KA Wright --- Wildlands Conservation Trust (WILDTRUST), South Africa KJ Sink --- Institute for Coastal and Marine Research, Nelson Mandela University, South AfricaThe concept of ‘other effective area-based conservation measures’ (OECMs) and its technical guidance provide opportunities for recognising a broader range of area-based management measures that contribute to biodiversity conservation outside of protected areas. However, progress towards the recognition of OECMs... -
Effects of diamond mining on sandy beaches in southern Namibia – the use of Tylos granulatus (Isopoda: Oniscidea) as an indicator species
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Hutchings --- , South Africa A Rees --- , South Africa A Pulfrich --- , South Africa BM Clark --- , South AfricaSandy beaches provide vital ecosystem services and support diverse ecological communities but are increasingly threatened by anthropogenic pressures. In particular, intertidal mining disrupts sandy beaches and challenges their resilience, yet these ecosystems retain some capacity for environmental recovery. This study... -
Comparison of light trap designs for assessments of positively phototactic invertebrate and larval assemblages in urbanised coastal systems
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: NP Mpanza --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa P Pattrick --- South African Environmental Observation Network (SAEON), Elwandle Coastal Node, South Africa F Porri --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaThe construction of seawalls is increasing the extent of artificial infrastructure along coastlines globally. Such development compromises substrate complexity of the natural environment which is crucial for major life functions of larvae (invertebrates and fish). Understanding the physical and biological... -
Physical activity and exercise for older people living with HIV – the perceptions of health care professionals
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Levin Chetty --- University of KwaZulu-Natal, South Africa Saul Cobbing --- University of KwaZulu-Natal, South Africa Verusia Chetty --- University of KwaZulu-Natal, South AfricaAs people age with HIV, the prescription of physical activity should be included as part of their comprehensive medical management. The higher prevalence of comorbidities, polypharmacy, drug interactions and end-stage complications in this specific population requires a multidisciplinary health care... -
Acceptance, availability, and accessibility of reformulated sugar-sweetened beverages in Pietermaritzburg, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Nikita Baijnath --- University of KwaZulu-Natal, South Africa Kirthee Pillay --- University of KwaZulu-Natal, South Africa Nicola Wiles --- University of KwaZulu-Natal, South Africa -
Nutritional management of a patient with acute myeloid leukaemia complicated by gastrointestinal symptoms and typhlitis
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Zelda Hugo --- Pretoria East Hospital,Leukaemia is the 11th most prevalent cancer worldwide, with acute myeloid leukaemia (AML) representing an acute and highly aggressive subtype that requires urgent medical intervention. Although national data on incidence and mortality in South Africa remain limited, an epidemiological study... -
Language matters: dietitians’ lived experiences of language barriers during nutrition counselling with Sesotho-speaking mothers in the first 1 000 days of life
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Phozia Jansen --- University of the Free State, South Africa Lucia N Meko --- University of the Free State, South Africa Louise van den Berg --- University of the Free State, South Africa -
Universal Health Service Coverage under threat? A study of the effects of PEPFAR HIV funding on UHC
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Lazarus Muchabaiwa --- UNAIDS, Kenya Charles Birungi --- UNAIDS, Kenya Melissa Sobers --- UNAIDS, Kenya Jaime Atienza Azcona --- UNAIDS, SwitzerlandIntroduction: While the effects of the US government’s sudden pause of foreign aid on the global HIV response have been well documented, little is known about the likely impact on universal health coverage (UHC) in recipient countries. This study assesses... -
Wine stewards: future professionalism in a rapidly changing hospitality world
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: John Dunning --- Sheffield Hallam University, United Kingdom Gregory Charles Zetzsche --- OMNES Education INSEEC, FranceThe hospitality industry is diverse, with restaurants forming a significant sub-sector. Within these, the sale of wine and other drinks is not only a potential source of profit, but also an integral part of the dining experience. Wine stewards, or... -
The integration of physical and digital experiences in ecotourism
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: I Nengah Subadra --- University of Triatma Mulya, IndonesiaThe integration of physical and digital experiences in ecotourism is reshaping ecotourism by enhancing visitor engagement and advancing sustainability practices. This study employs a grounded theory approach to investigate the impact of technologies such as augmented reality, virtual reality and... -
Techno-craftsmanship to rejuvenate a UNESCO cultural heritage tradition
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Nihal Bursa --- Istanbul Bilgi University, TürkiyeEvolving over 500 years of history, Turkish coffee as known today has a unique character, owing much to its brewing technique, which requires dedicated time and manual skills. Urbanisation and digitalisation in the 21st century have created a pace of... -
Seasonality in the events industry: A case study of two event venues in Amsterdam
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Cathelijne de Jong --- NHL Stenden University of Applied Sciences, The Netherlands Rodney Westerlaken --- NHL Stenden University of Applied Sciences, The NetherlandsThis study aims to expand academic understanding of seasonality by establishing if previous scholarly work on the subject is also applicable to the novel context of the urban event industry. A mixed-method approach combining qualitative and quantitative research was applied,... -
High adult mortality of African Penguins Spheniscus demersus in South Africa after 2004 was likely caused by starvation
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Robert JM Crawford --- Fisheries and the Environment, South Africa Richard B Sherley --- Environment and Sustainability Institute/Centre for Ecology and Conservation, University of Exeter, United Kingdom Lynne J Shannon --- University of Cape Town, South Africa Alistair M McInnes --- BirdLife South Africa, South Africa Tegan Carpenter-Kling --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa Azwianewi B Makhado --- Fisheries and the Environment, South AfricaFrom 2004–2011, following the collapse of sardine Sardinops sagax, a main food for African Penguins Spheniscus demersus, to < 25% of its maximum recorded abundance, survival of penguins breeding at Dassen and Robben islands, north of Cape Town, South Africa... -
Assessment of the ecological integrity and fish community structures of the uMngeni River, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Pumla Dlamini --- University of KwaZulu-Natal, South Africa Colleen T Downs --- University of KwaZulu-Natal, South Africa Matthew Burnett --- University of KwaZulu-Natal, South Africa Gordon O’Brien --- University of KwaZulu-Natal, South AfricaThe uMngeni River is economically important as it provides water to two of the largest cities in KwaZulu-Natal Province, South Africa. As such, protecting the river and the life within it is also of great importance. In this study, we... -
Influence of the Benguela Upwelling System on the genetic connectivity of blacktail seabream Diplodus capensis across southern Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: WF Olivier --- Genetics and Microbiology, University of Pretoria, South Africa WM Potts --- Rhodes University, South Africa A-R Childs --- Rhodes University, South Africa C Santos --- Agostinho Neto University, Angola PW Shaw --- Aberystwyth University, R Henriques --- Genetics and Microbiology, University of Pretoria, South AfricaOceanographic features such as upwelling cells and currents contribute to shaping the evolutionary history of marine fishes, including species that may be important socio-economic resources. However, the impacts of these barriers are often cryptic and may change, particularly in a... -
Exploring SDG 2 disclosure of South African food and beverage companies
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Elizma Booysen --- Management Cybernetics research niche area, North-West University, South Africa Susanna L Middelberg --- Management Cybernetics research niche area, North-West University, South Africa Nadia Gulko --- University of Lincoln, UK -
Management entrenchment: Determinants and impact on firm performance of French listed companies
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Mounir Jaouadi --- Arab Open University, Kingdom of Saudi Arabia Amira Feidi --- University of Tunis El-Manar, Tunisia -
Phosphorus and nitrogen fertiliser effects on anion-exchange-resin phosphorus and sugarcane yield in Plinthic soils of KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sandile Siphesihle Mthimkhulu --- Mangosuthu University of Technology, South Africa Sizwe Vincent Mbona --- Durban University of Technology, South AfricaEfficient phosphorus (P) extraction methods are vital for optimising sugarcane production, yet no single chemical extractant currently suits the diverse soil conditions across South Africa’s sugarcane regions. This study explored the potential of anion-exchange-resin phosphorus (AER-P) as a possible alternative... -
Arbitrage opportunities in no-arbitrage portfolios: The case of Bitcoin and Treasury Bills
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Wing-Keung Wong --- Asia University, Taiwan Zhenzhen Zhu --- School of Statistics and Mathematics, Shandong University of Finance and Economics, China I-Ming Jiang --- College of Management, Yuan Ze University, Taiwan Elie Bouri --- Lebanese American University, LebanonEmploying both mean-variance portfolio optimization and stochastic dominance analysis, we examine whether including Bitcoin and 3-month US Treasury Bills could generate arbitrage opportunities and lead to better investment choices. The results show, independent of whether short sales are allowed, that:... -
A sociolinguistic inquiry into code-switching in Tshivenḓa in beerhall environments
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Matodzi Godfrey Sikhwari --- University of Venda, South AfricaThis research article explores code-switching practices in Tshivenḓa-speaking beerhall environments, focusing on the sociolinguistic factors that influence language use. Code-switching, the alternation between languages during conversations, is common in multilingual settings. Beerhalls provide a unique, informal space to observe how... -
Idioms in transition: isiZulu idiomatic expressions used in the taxi industry
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Sineliso Lindokuhle Thabede --- SANTS Private Higher Education Institution, South Africa Dumisani Ephraim Khumalo --- University of South Africa, South AfricaThis study analyses the historical development of isiZulu idiomatic expressions, specifically their expression in the KwaZulu-Natal minibus taxi industry, tracing their evolution from primarily oral traditions to modern visual expressions visible on exteriors and interiors of taxis. Using a hermeneutic... -
Buried voices, hidden languages: The (in)visibility of indigenous South African languages in the South African Journal of African Languages (SAJAL) from 1994 to 2023
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Mlamli Diko --- University of South Africa, South AfricaThe South African Journal of African Languages was officially established in 1981 to advance the visibility and intellectualisation of indigenous South African languages as outlined in its aims and scope. Regrettably, greatly entrenched imperialist ideologies obstruct these languages’ comprehensive visibility... -
Enhancing communication through an analysis of Sesotho motion verbs
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Motsamai Paul Lesoetsa --- Walter Sisulu University, South AfricaThis article investigates motion verbs in Sesotho. It will seek to define these verbs, showing their relevance in enhancing communication through the markedness theory. Zhang and Tian (2015) proposes with markedness theory in the world’s languages that certain linguistic elements... -
Ngabe iziLimi zoMdabo zaseNingizimu Afrika zikulungele ukuthi kufundiswe ngazo? Ukuhunyushelwa esiZulwini kwencwadi yamaKhono eMpilo
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Erick Nkululeko Nzimande --- University of South Africa, South AfricaUkusetshenziwa kweziLimi zaboMdabo zaseNingizimu Afrika njengezilimi zokufundisa ezikoleni nasemfundweni ephakeme kuyinto esicwaningwe ngabacwaningi abaningi. Kodwa-ke ocwaningweni oselwenziwe luncane kakhulu olubheka ukuthi zikhona yini izinsizakufunda ezizokwenza ukufundisa ngalezi zilimi kube yimpumelelo. Ngakho-ke inhloso yalolu cwaningo ukuhlaziya ukuhunyushwa kweNcwadi kaThisha yamaKhono eMpilo... -
Drivers of timber supply in an archetypical African economy, Cameroon: some policy implications for sustainable development
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ernest L Molua --- University of Buea, CameroonTimber features as an important commodity in the trade portfolio of some African countries as it is accessible, lucrative, and necessary for construction and development. For these reasons, the supply of timber has implications for sustainable development. This research evaluated... -
Indigenous knowledge in water resource management in Mtwara region-Ruvuma water basin, Southern Tanzania
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Evaristo Haulle [cor1] Faraja Sanga --- Ruaha Catholic University, TanzaniaIndigenous knowledge (IK) plays a crucial role in sustainable water resource management, offering valuable insight into local ecosystems, climate patterns, and community practices that have been honed over generations. However, this knowledge is increasingly at risk due to climate change,... -
Optimizing real-time stereo image retargeting for AR/VR: Lightweight disparity CNNs on AI-Driven edge architectures
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mahendra T. Jagtap --- University of South Florida, Muma College of Business (Sarasota-Manatee Campus), USA Bhuvan Unhelkar --- University of South Florida, USA Pravin R. Kshirsagar --- JD College of Engineering and Management, India Nitin Rakesh --- Symbiosis Institute of Technology, India R. Thiagarajan --- VelTech multiTech Dr. Rangarajan Dr. Sakunthala Engineering College, India Vishal Patil --- Loknete Gopinathji Munde Institute of Engineering Education & Research, Nashik and SPPU, IndiaReal-time stereo image retargeting for augmented reality (AR) and virtual reality (VR) necessitates precise per-pixel depth estimation and ultra-low latency performance on resource-limited edge devices. Current disparity convolutional neural networks (CNNs) and retargeting pipelines are unable to meet these demanding... -
Computational analysis of Orientalist discourse in social media: A case study of Twitter
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Qiming Dong --- Universiti Putra Malaysia, Malaysia Shasha Zhang --- Hunan University of Information Technology, People’s Republic of China Megat Al Imran Yasin --- Universiti Putra Malaysia, Malaysia Chow Ow Wei --- Universiti Putra Malaysia, MalaysiaThe paper presents ORIENT-Net as a tool that processes texts in terms of their orientalist views. This is done by the detection and classification of such texts on social media Twitter. An Orientalist view of the East can see the... -
Cape Gannet Morus capensis year-round presence off the southern Cape coast of South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Zanri Strydom --- , South Africa Tiaan Strydom --- , South AfricaThe year-round presence and abundance of Cape Gannets Morus capensis in the greater Wilderness waters (Western Cape, South Africa) were monitored through a land-based observational study, 330 km (straight-line distance) from the nearest breeding colony, Bird Island Algoa Bay. Between... -
The voice of a people: Exploring language and ethnicity among the amaBhaca in uMzimkhulu and KwaBhaca
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Yanga LP Majola --- Tshwane University of Technology Mbombela Campus, South Africa Evangeline B Zungu --- University of Johannesburg, South AfricaAmaBhaca speak isiBhaca and belong to the Nguni language and ethnic group; they are predominantly found in parts of uMzimkhulu, KwaZulu-Natal (KZN), and most parts of KwaBhaca (formerly Mount Frere) in the Eastern Cape (EC) province in modern-day South Africa... -
Ukuphithikeza nokugxobha ingcingane yeelwimi zaseAfrika njengeelwimi ezenziwa ubunkcubabuchopho
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Simthembile Xeketwana --- Stellenbosch University, South AfricaIilwimi zaseAfrika kudala zaba nobungqondi kwaye obo bungqondi kumele bugqobhozele kwiindlela ezi lwimi ezisetyenziswa ngayo, ncakasana kumaziko emfundo ephakamileyo. Ngoko ke, iilwimi zaseAfrika aziqalanga ukuba nobungqondi emva kowe1994, okanye ukufika kwamamishinari kweli lo Mzantsi Afrika, neAfrika iphela. Ngokukhokelwa yinkcazobungcali yasemva... -
The phonological structure of South African Sign Language (SASL) toponyms
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Patrick Sibanda --- University of Free State, South Africa Sarah Siyavoshi --- University of Free State, South AfricaThis study is framed within the prosodic model, and sought to analyse the phonological parameters of handshape, location, palm orientation, movement, and non-manual markers in the formation of SASL toponyms. Place name signs are a cultural and sociolinguistic marker used... -
Language of instruction and its influence on educational outcomes and cultural inclusion in Ethiopia: A systematic review
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Tamene Deysmi Geremew --- University of Pécs, Hungary Steklács János --- University of Pécs, HungaryModern education in Ethiopia began in 1908, and the curriculum predominantly used both Amharic and foreign languages as media of instruction. In 1994, the Ethiopian Education and Training Policy announced a multilingual educational model for political and pedagogical benefits. Despite... -
Discursive exploration of self-adulation in selected songs of Ọláwálé Ọlọ́fọ̀ọ́rọ̀ (a.k.a Brymo)
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Adetayo Adebayo --- University of Ibadan, NigeriaSelf-adulation, a term that encapsulates the attitude of possessing a high opinion of oneself or one’s importance, in Nigerian popular music (NPM) has interested Nigerian scholars. With the paucity of studies on Brymo, a Nigerian music artist who fuses Afrobeat... -
A case for a functional retranslation of the Constitution of the Democratic Republic of Congo into Ciluba
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: José Cyunza Kabengela --- Université Pédagogique Nationale (UPN), Democratic Republic of Congo Harold M Lesch --- Stellenbosch University, South AfricaAs the Constitution of the Democratic Republic of the Congo (DRC) is a legal document, it provides every Congolese citizen with information about their rights, privileges and obligations to the state, but also what one can expect from the state... -
The grazing paradox: assessing contradictions of continuous versus rotational grazing systems in southern Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Katharina Meyer --- Institute of Plant Science and Microbiology, University of Hamburg, Germany Ute Schmiedel --- Institute of Plant Science and Microbiology, University of Hamburg, GermanyUnsustainable grazing practices result in degradation of arid and semiarid rangelands in southern Africa. Continuous grazing systems are often blamed for degradation, while rotational grazing systems are seen as more sustainable. The discussion about the impact of these grazing practices... -
Measuring adaptive decision making in livestock grazing systems
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Jenna M Likins --- Department of Rangeland, Wildlife and Fisheries Management, Texas A&M University, College Station, USA Jason E Sawyer --- East Foundation, USA Urs P Kreuter --- Department of Ecology and Conservation Biology, Texas A&M University, College Station, USAAdaptive management is essential for managing complex grazing systems under environmental uncertainty. However, its implementation in grazing operations is inconsistently defined and measured. This study addresses this limitation by developing and validating the Adaptive Management Index (AMI), a standardised instrument... -
Sustainable intensification in rangelands of the southernmost region of Chile
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Raúl J Lira Fernandez --- Instituto de Investigaciones Agropecuarias, Centro Regional de Investigación Kampenaike, Chile Andres F Cibils --- Livestock, Forage and Pasture Management Research Unit, USDA ARS OCPARC, USARangeland-based sheep ranching has shaped the agricultural economy of Chile’s southernmost grasslands for over a century and a half. Ranching systems in the region, established in the late 1800s, transitioned from large European corporate enterprises, common until the mid-20th century,... -
Grazing smarter: science-based grazing strategies, not only stocking rate, determine rangeland outcomes
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Richard Fynn --- Okavango Research Institute, University of Botswana, Botswana Kevin Kirkman --- School of Agriculture and Science, University of KwaZulu-Natal, South Africa Craig Morris --- School of Agriculture and Science, University of KwaZulu-Natal, South Africa Peter Zacharias --- Consultant in Vegetation/Animal Systems, South AfricaResearch indicates a ‘crisis’ in the search for optimal grazing strategies with experimental results suggesting that stocking rate is the primary factor influencing rangeland condition and cattle performance. However, we contend that this is a spurious conclusion, inevitably conceived by... -
Life-history traits of the false jacopever Sebastes capensis (Scorpaenidae: Sebastinae) in South African waters
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Mohamed --- Department of Biological Sciences, University of Cape Town, South Africa CG Attwood --- Department of Biological Sciences, University of Cape Town, South AfricaThe genus Sebastes (rockfishes) of family Scorpaenidae (scorpionfishes) contains over 110 species, of which the false jacopever Sebastes capensis is the only one found in South African waters. Although it is a commonly caught linefish along the west coast of... -
Marine gastropods as potential sources of medicinal and nutraceutical compounds
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TT Kereeditse --- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa (UNISA), South Africa YAT Ngandjui --- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa (UNISA), South Africa I Kamika --- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa (UNISA), South Africa K de Bruyn --- Agriculture and Environmental Science Laboratories, College of Agriculture and Environmental Sciences, University of South Africa (UNISA), South Africa LM Madikizela --- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa (UNISA), South Africa TAM Msagati --- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa (UNISA), South AfricaGastropods make up the most diverse class of molluscs. Marine species of gastropods include a vast array of sea slugs and sea snails, which are among the most diverse and ecologically significant groups of marine invertebrates. Exploring these fascinating marine... -
The role of green innovation in mediating green supply chain and CSR impacts on hospitality firm performance: Evidence from Ghana
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Mohammed Majeed --- Tamale Technical University, Ghana Esther Asiedu --- Ghana Communication Technology University, Ghana Iddrisu Sulemana --- Tamale College of Education, Ghana Aidatu Abubakari --- Wisconsin International University College, Ghana Ahmed Sakara --- Tamale Technical University, GhanaThis study examines the impact of green supply chain management (GSCM) and corporate social responsibility (CSR) on the performance of hospitality firms in Ghana, using stakeholder theory and considering green innovation (GI) as a mediating factor. A quantitative survey of... -
Exploring the effects of historical legacies and patronage politics on human resource management in Ghana’s local government
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Mohammed Ibrahim --- Global Development Institute, The University of Manchester, UK Farhad Hossain --- Global Development Institute, The University of Manchester, UKThis paper examines human resource management (HRM) practices in Ghana's local government and advances a twofold argument. First, it shows that decentralization reforms introduced in the 1980s and 1990s locked the system into a path-dependent governance trajectory. This has narrowed... -
Seasonal consumption of Thamnochortus spicigerus (Restionaceae) by eland is associated with plant sex and nutrient status
Item type: Journal Article • Journal: African Zoology • Authors: Petro Botha --- Department of Botany and Zoology, Stellenbosch University, South Africa Bruce Anderson --- Department of Botany and Zoology, Stellenbosch University, South AfricaHistoric distributions of large herbivores in the Fynbos Biome remain poorly described and, despite ongoing reintroductions, their dietary strategies and forage selection in the Fynbos Biome are understudied. We monitored an introduction of eland into Cape Flats Dune Strandveld vegetation,... -
Systematic scoping review on HIV services for males in Sub-Saharan Africa: Access, barriers, and research gaps
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Patience Manjengwa --- School of Health Systems and Public Health, University of Pretoria, South Africa Clarence Yah --- School of Health Systems and Public Health, University of Pretoria, South Africa Nozipho Musakwa --- Health Economics and Epidemiology Research Office, South Africa Alfred Musekiwa --- School of Health Systems and Public Health, University of Pretoria, South Africa -
Assessing instream structures to evaluate river connectivity of urban streams in the city of Pietermaritzburg, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Nolwazi B Ngcobo --- University of KwaZulu-Natal, South Africa Matthew J Burnett --- University of KwaZulu-Natal, South Africa Céline C Hanzen --- University of KwaZulu-Natal, South Africa Colleen T Downs --- University of KwaZulu-Natal, South AfricaArtificial barriers in freshwater ecosystems may hinder fish movement by altering their habitat and fragmenting rivers. We assessed the impact of anthropogenic structures on river connectivity in Pietermaritzburg, KwaZulu-Natal, South Africa. We mapped the barriers on eight watercourses using the... -
Marine–estuarine connectivity, salinity and sedimentation in the St Lucia system, South Africa, following reconnection with the uMfolozi River
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RH Taylor --- Independent Hydro-Ecologist, South Africa AK Whitfield --- South African Institute for Aquatic Biodiversity, South Africa CE Fox --- Ezemvelo KwaZulu-Natal Wildlife, St Lucia Estuary, South Africa JB Adams --- Botany Department and Institute for Coastal & Marine Research, Nelson Mandela University, South AfricaThis study reviews selected physical and biotic responses of the St Lucia estuarine system to the recently implemented management approach of re-establishing the connection between the uMfolozi River and the St Lucia Estuary. This connection was severed in the 1950s... -
Comparative study of the occurrence and distribution of parasites in pond and cage-cultured Nile tilapia (Oreochromis niloticus) in the Lake Victoria Crescent, Uganda
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AN Luttamaguzi --- , Uganda JJ Kisakye --- Makerere University, Uganda T Mudumba --- CAB International, Kenya C Agoe --- National Fisheries Resources Research Institute, National Agricultural Research Organization, Uganda M Sserwadda --- Mountains of the Moon University, Uganda JK Walakira --- National Fisheries Resources Research Institute, National Agricultural Research Organization, UgandaDespite ongoing biosecurity and control efforts, aquaculture intensification in the Lake Victoria Crescent has led to a persistent increase in parasitic disease occurrence in cultured Nile tilapia. Notably, different culture systems provide different habitats and environmental conditions for parasites and... -
Distribution and community structure of riverine fish in two east-flowing rivers in Kenya
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Japhet Kaadzo Tembo --- Egerton University, Kenya Charles Maina Kihia --- Egerton University, Kenya Nzula Kivuva Kitaka --- Egerton University, Kenya Gordon O’Brien --- School of Biology and Environmental Sciences, University of Mpumalanga, South Africa Emmanuel Mbaru --- , Malaysia Catherine Kariuki --- Egerton University, KenyaThis study investigated the distribution, composition and habitat associations of freshwater eels in the Athi–Galana–Sabaki (Athi) and Ramisi Rivers using fortnightly fyke-net sampling conducted between April 2021 and March 2022. A total of 304 eels were recorded, with the Ramisi... -
Hybrid k-means–kNN approach for predicting student performance based on library usage behaviours: A case study in Tanzanian higher education
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Hussein Bakiri --- The Institute of Finance Management (IFM), Tanzania Rose Tinabo --- The Institute of Finance Management (IFM), TanzaniaThe complex relationship between student participation and resource usage is frequently missed by traditional predictors of academic performance, such as past academic records and demographic data. These predictors have limited insight into real-time learning behaviours and often act as lagging... -
Seeds of cooperation, fruits of innovation: Understanding the Iranian vaccine industry in the COVID-19 pandemic-era through the lens of the innovation ecosystem
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mitra Aminlou --- Allameh Tabataba'i University, Iran Soroush Ghazinoori --- Allameh Tabataba'i University, Iran Mehdi Goodarzi --- Allameh Tabataba'i University, Iran Mahdi Elyasi --- Allameh Tabataba'i University, Iran Mostafa Ghanei --- Baqiyatallah University of Medical Sciences, IranThe COVID-19 pandemic highlighted the complexities of vaccine industry innovation. This study aims to understand how Iran’s vaccine industry rapidly responded to the COVID-19 pandemic under severe sanctions by applying an innovation ecosystem-as-structure framework. It addresses two research objectives: identifying... -
Executive pay, committee diversity and financial performance of JSE-listed companies
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Reon Matemane --- University of Pretoria, South Africa Oloyede Obagbuwa --- Walter Sisulu University, South Africa Kwabena Agyarko Gyekye --- University of Pretoria, South Africa Herman Sello Mphela --- University of Pretoria, South Africa
