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Forage production of some grass species in the false Thornveld of the Eastern Cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: I.E. Danckwerts --- Department of Agriculture (Eastern Cape Region), A.I. Aucamp --- Department of Agriculture (Eastern Cape Region), H.I. Barnard --- Department of Agriculture (Eastern Cape Region),The most commonly occurring grass species in the False Thornveld (Acocks, 1953; veld type no. 21) were clipped before and after grazing on veld in good and poor condition at different times of the year. Herbage yield per species was... -
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... -
Die evaluasie van droëland Cenchrus ciliaris L. cv Molopo vir speenkalf‐produksie in die sentrale grasveld
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: L.G. du Pisani --- , J.P. van Niekerk --- , H.O. de Waal --- , I.W. Knight --- ,Speenkalfproduksie op droëland Cenchrus ciliaris‐weiding is by drie veeladings onder aanhoudende beweiding ondersoek (1978–83). Verskille in beskikbare bogrondse fitomassa (BBF), speenmassa en die ekonomie van speenkalfproduksie word bespreek. -
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... -
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... -
The quality of herbage ingested by cattle in rotationally grazed semi‐arid grassveld of the eastern Cape
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.E. Danckwerts --- Department of Agriculture (Eastern Cape Region), Republic of South AfricaOesophageal fistulated steers were used to sample herbage daily during periods of occupation on veld in good and moderate condition. Forage quality was assessed in terms of in vitro dry matter digestibility and digestible crude protein. The quality of herbage... -
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... -
Quantitative description of woody plant communities: Part I. An approach
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: G.N. Smit --- Department of Agriculture and Water Supply (Transvaal Region), Republic of South AfricaVarious descriptive units for woody plant communities are proposed. These are the Evapotranspiration Tree Equivalent (ETTE), Browse Tree Equivalent (BTE) and Canopied Subhabitat Index (CSI), which describe the status of a woody community in terms of potential moisture use, value... -
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... -
Effect of nitrogen on the oxalate and calcium content of Kikuyu grass (Pennisetum clandestinum Hochst)
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.P. Marais --- , Republic of South AfricaThe effect of the nitrogen content of Kikuyu grass (Pennisetum clandestinum) on the oxalate and calcium content of leaf and stem material was investigated. The grass contained equal portions of soluble and insoluble oxalate. Leaf material contained more than three... -
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... -
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... -
‘n Tegniek om beskikbare bogrondse fitomassa van graspolle in ontblaring‐studies te kwantifiseer*
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.J. Jordaan --- Departement Landbou‐ontwikkeling (Transvaalstreek), Republiek van Suid‐Afrika N.F.G. Rethman --- Departement Plantproduksie, Republiek van Suid‐Afrika P.A. Pieterse --- Departement Plantproduksie, Republiek van Suid‐AfrikaA technique to quantify available above‐ground phytomass of grass tufts in defoliation studies is described. Highly significant correlations were found between tuft volume and above‐ground phytomass in eighteen out of twenty‐two species that were examined. Tuft volume can therefore be... -
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... -
Risk analysis of wheat production in the central Orange Free State using a growth model
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 wheat crop growth model (Singels, 1983) was refined and used to calculate annual grain yield from weather data for 45 seasons in the Bloemfontein area. Five different levels of profile-available water capacity were used as soil input parameter. Other... -
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... -
Effect of soil nutritional status and irrigation on plant available water of wheat (Triticum aestivum L.)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.G. Annandale --- Department of Plant Production, Republic of South Africa A.A. Nel --- Department of Plant Production, Republic of South Africa P.C. Nel --- Department of Plant Production, Republic of South AfricaPlant available water (PAW) is the amount of water in the soil profile available for crop use. When irrigation management is based on a percentage depletion of PAW accurate estimates of PAW are essential and it is important that factors... -
Nitrogen mineralization, nitrification and nitrogen balance in laboratory incubation of soil from natural grassland in the central Orange Free State
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.H. Wiltshire --- Department of Soil Science, Republic of South AfricaAir-dried soil from three layers under grassveld was moistened by the addition of 12 levels of water and incubated for up to two years at five temperatures in screw-capped preserving jars with an air-filled head- space equivalent to seven times... -
Wheat yield probabilities on the Glen/Shorrocks ecotope with different soil water contents at planting
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. Hensley --- Department of Agricultural Development, Republic of South Africa P.J. Snyman --- Department of Agricultural Development, Republic of South AfricaTo avoid unnecessary crop failures it would be valuable to have a reliable threshold value of the root zone water content for wheat at planting (θ rp ) below which the risk is too high to plant. An attempt has... -
Swawelfraksies, -verhoudings en -verwantskappe in geselekteerde onversteurde en bewerkte Suid-Afrikaanse gronde
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.C. du Toit --- , Republiek van Suid-Afrika C.C. du Preez --- Departement Grondkunde, Republiek van Suid-AfrikaDie negatiewe invloed van bewerking op organiese materiaal in gronde en 'n groot afname in die eksterne insette van S het die vraag laat ontstaan of die swawelstatus van Suid-Afrikaanse gronde voldoende is om volhoubare gewasproduksie te verseker. Bewerkte en... -
Effect of cultivation on the nitrogen fertility of selected dryland soils in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.E. du Toit --- , Republic of South Africa C.C. du Preez --- Department of Soil Science, Republic of South AfricaThis study is part of an investigation into the effect of cultivation on the organic matter content of topsoils (0 - 200 mm) from commercial farms practising dryland agriculture in the summer rainfall area of South Africa (24°-30°S; 24°-30°E). The... -
Fosfor in geselekteerde onversteurde en bewerkte Suid-Afrikaanse gronde 2. Anorganiese en organiese fosforfraksies
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.J. van Zyl --- Departement Grondkunde, Republiek van Suid-Afrika C.C. du Pree --- Departement Grondkunde, Republiek van Suid-AfrikaDaar is voorheen vasgestel dat gewasverbouing die anorganiese (Pa) en organiese (Po) fosforinhoud van gronde vanaf die somerreënvalgebied (25°-30° S; 24°-30° O) in Suid-Afrika beïnvloed het. Dus kan die Pa- en Po-fraksies, wat in planttoeganklikheid varieer, ook moontlik beïnvloed word... -
An investigation into the problems associated with revegetating chrysotile tailings
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: L. van Rensburg --- , Republic of South Africa L. Pistoruis --- , Republic of South AfricaThe present investigation was initiated because of the limited success achieved in the past at attempts to revegetate chrysotile tailings with their associated inherent environmental risk factors. The current set of experiments and surveys, as with several previous studies, were... -
Changes in inorganic and organic Phosphorus in soil under maize (Zea mays) cultivation
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H.G. du Preez --- , Republic of South Africa A.S. Claassens --- Department of Plant Production and Soil Science, Republic of South AfricaThe changes in applied and residual phosphorus (P) were examined in Avalon and Clovelly soils under cultivation by using the P fractionation method of Hedley, Stewart and Chauhan (1982). Soil P was separated into six major fractions of which some... -
Influence of residual manure on selected nutrient elements and microbial composition of soil under long-term crop rotation
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. Belay --- Department of Plant Production and Soil Science, Republic of South Africa A.S. Claassens --- Department of Plant Production and Soil Science, Republic of South Africa F.C. Wehner --- Department of Microbiology and Plant Pathology, Republic of South Africa J.M. de Beer --- Department of Plant Production and Soil Science, Republic of South AfricaA study was conducted on a long-term field experiment at the University of Pretoria, South Africa, that was established in 1939. The aim was to investigate the effects of residual manure on the characteristics of the total and microbial biomass... -
The effect of soil compaction on the water retention characteristics of soils in forest plantations
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: CW Smith --- , MA Johnston --- , SA Lorentz --- ,A study was carried out to evaluate the relative effects of soil compaction on the water retention characteristics of a range of soils in forest plantations in the summer rainfall regions of South Africa. In all cases compaction resulted in... -
Rehabilitation of co-disposed kimberlite tailings: Quantifying physical and chemical properties from a rehabilitation perspective
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: L. van Rensburg --- , South Africa M.S. Maboeta --- , South AfricaMine rehabilitation is a complex process and the potential of revegetating kimberlite tailings (after being co-disposed) was evaluated in this study, with regard to physical and chemical properties. High water soluble Na concentrations (8.22 mmol -1) represent the most serious... -
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... -
Photosynthetic capacity and diurnal gas exchange of ‘Brookfield Gala’ apple leaves under three irrigation systems
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T.C. Lebese --- Department of Horticultural Science, South Africa P.J.C. Stassen --- , South Africa S.J.E. Midgley --- Department of Horticultural Science, South AfricaWater and nutrient application using three irrigation systems, namely daily drip irrigation, pulsing drip irrigation and micro irrigation were studied with respect to photosynthetic efficiency, water use efficiency and leaf water relations in ‘Brookfield Gala’ apple trees during 2004/5 and... -
Winter cover crops effects on soil strength, infiltration and water retention in a sandy loam Oakleaf soil in Eastern Cape, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: HA Mupambwa --- Department of Agronomy, South Africa IIC Wakindiki --- Department of Agronomy, South AfricaThere is substantial evidence that cover crops increase soil fertility and plant nutrition but the few studies concerning soil physical properties are conflicting. This study determined the effects of monocultures of vetch (Vicia dasycarpa L.), lupin (Lupinus angustifolius L.), oats... -
Characterisation of alkaline tailings from a lead/zinc mine in South Africa and evaluation of their revegetation potential using five indigenous grass species
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: LouisW Titshall --- School of Agriculture, Earth and Environmental Sciences, South Africa JeffreyC Hughes --- School of Agriculture, Earth and Environmental Sciences, South Africa H Christopher Bester --- School of Agriculture, Earth and Environmental Sciences, South AfricaTailings from a lead/zinc (Pb/Zn) mine were characterised and their revegetation potential investigated under glasshouse conditions using five grass species with three rates of inorganic fertiliser. The tailings were alkaline with low nutrient concentrations but high total and extractable Zn... -
Quantifying commercial catch and effort of monkfish Lophius vomerinus and L. vaillanti off Namibia
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: L. Maartens A. J. BoothAbundance and exploitation patterns of monkfish Lophius vomerinus and L. vaillanti were investigated for use as inputs into a stock assessment framework to be used for management of the Namibian monkfish resource. Total numbers of monkfish caught per size-class were... -
EFFECT OF PROGRAMMED CIRCADIAN TEMPERATURE FLUCTUATIONS ON POPULATION DYNAMICS OF BULINUS TROPICUS (KRAUSS) AND LYMNAEA NATALENSIS KRAUSS (GASTROPODA: MOLLUSCA)
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: K.N. de Kock --- Department of Zoology, South AfricaUntil now all life-table studies on Bulinus tropicus (Krauss) and Lymnaea natalensis Krauss involving temperature as the variable factor have been conducted at constant temperatures. This study evaluates the effect of programmed, circadian temperature fluctuations, ranging from 18 to 28... -
EFFECT OF CONSTANT TEMPERATURE ON POPULATION DYNAMICS OF BULINUS TROPICUS (KRAUSS) AND LYMNAEA NATALENSIS KRAUSS
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: K.N. de Kock --- Snail Research Unit of the South African Medical Resesrch Council, South Africa J.A. van Eeden --- Snail Research Unit of the South African Medical Resesrch Council, South AfricaLife-tables were compiled for cohorts of the two freshwater snail species Bulinus tropicus (Krauss) and Lymnaea natalensis Krauss at six different constant temperatures from 17 to 32 °C under identical conditions of crowding, feeding and chemical composition of the water... -
AN EVALUATION OF BABY FISH FOOD AS A SUITABLE DIET FOR THE FRESHWATER SNAIL, BIOMPHALABIA GLABRATA (SAY)
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: P.H. Joubert --- Research Institute for Diseases in a Tropical Environment, South Africa K.N. de Kock --- Research Institute for Diseases in a Tropical Environment, South AfricaTetra Kin Baby Fish Food ‘E’ for Egglayers (Tetra ‘E’) was evaluated as a possible nutrient for the laboratory culture and maintenance of pigmented and unpigmented Biomphalaria glabrata (Say). Growth was monitored weekly by determining shell diameter and mass. The... -
FRESHWATER MOLLUSC STUDIES - A PERSONAL EXPERIENCE
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: S.J. Pretorius --- , South AfricaMy contribution reviews some of the research activities of the Snail Research Unit. Taking Unit. Taking some liberties on the chronological order, the transition is traced from the species descriptions of the early years, the extensive field surveys, laboratory experimentations,... -
SUITABILITY OF TROPICAL FISH FOODS FOR LABORATORY CULTURE OF FOUR SPECIES OF FRESHWATER SNAILS ACTING AS INTERMEDIATE HOSTS FOR ECONOMICALLY IMPORTANT HELMINTH PARASITES IN SOUTH AFRICA
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: K.N. de Kock --- Department of Zoology, South Africa P.H. Joubert --- , South AfricaFour different kinds of tropical fish food from Tetra Werke, West Germany, as well as a mixture of two of these, were evaluated as possible nutrients for the laboratory culture and maintenance of four freshwater snail species of economic importance... -
Preliminary results of a stocking rate trial in Lesotho
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: LM Mpiti-Shakhane GY Kanyama-Phiri WO Odenya JW BandaForage responses to stocking rates and seasons were determined over a one-year period. The experimental design consisted of three stocking rates namely, light (2.0ha LSU-1), moderate (1.25ha LSU-1) and heavy (0.5ha LSU-1) and four seasons (autumn, winter, spring and summer)... -
Grass composition and rangeland condition of the major grazing areas in the mid Rift Valley, Ethiopia
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Amsalu Sisay R M T BaarsA range inventory and condition study was conducted in three altitude zones: lowland (1500-1700m), medium altitude (1700-2000m), and highland (2000-2500m). Each altitude zone was stratified into four or five important grazing areas. One area represented lightly grazed government ranches or... -
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... -
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... -
Savanna browse production. 1: Determinants and measurement
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Caryn A Penderis --- School of Life Sciences, South Africa Kevin P Kirkman --- Grassland Science, South AfricaWith the rapid expansion of wildlife ranching and conservation in South African savannas and the resultant increase in multi-species grazing and browsing systems, information on browse production potential is essential for determination of carrying capacity. This study, conducted on three... -
Perceptions of Staffriding in Post-Apartheid South Africa: The Lethal Thrill of Speed or the Masculine Performance of a Painful Past?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Dimakatso Sedite --- University of South Africa, Brett Bowman --- University of the Witwatersrand, Lindsay Clowes --- University of the Western Cape,Staffriding, or train surfing, involves taking life threatening physical risks by moving around the outside of moving trains. In aiming to better understand this risky practice, this small scale qualitative study used three semi-structured interviews and three focus discussions to... -
South African Mothers' Perceptions and Experiences of an Unplanned Caesarean Section
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Samantha Lynne Roux --- North-West University, South Africa Esme van Rensburg --- North-West University, South AfricaNew motherhood is characterised as a profound change, and research suggests that the psychological effects of childbirth can be significant and far-reaching for some women. This study explored women's perceptions and experiences of childbirth by unplanned Caesarean section. In-depth interviews... -
A Qualitative Exploration of Women's Work—Life Balance Over the Life Course: A Case Study of Retail Managers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shaida Bobat --- University of KwaZulu-Natal, Nosipho Mshololo --- University of KwaZulu-Natal, Shanya Reuben --- University of KwaZulu-Natal,This study examined women's work—life balance (WLB) over the life course in retail management. Ten women (mean age =25) who worked in the centre management of a shopping mall were interviewed. Thematic analysis revealed that they perceived their WLB to... -
Normative Indications for Xhosa Speaking Unskilled Workers on the Trail Making and Stroop Tests
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karen Andrews --- Department of Psychology, Ann Shuttleworth-Edwards --- Department of Psychology, Sarah Radloff --- Department of Statistics,The aim of this study was to produce preliminary normative indications for the Trail Making Test and the Stroop Test, administered in English, on a non-clinical sample of Black, Xhosa speaking unskilled workers (N = 33), with an educational level... -
The Influence of an Unplanned Caesarean Section on Initial Mother-Infant Bonding: Mothers' Subjective Experiences
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Samantha Lynne van Reenen --- North-West University, South Africa Esmé van Rensburg --- North-West University, South AfricaThis study explored the impact of an unplanned Caesarean section on mother-infant bonding, by examining the development of maternal identities and mothers' subsequent relationships with their babies. In-depth interviews with 10 women (mean age=28; SD=1.97) explored their lived experiences of... -
Level of awareness and uptake of the female condom in women aged 18 to 49 years in Bindura district, Mashonaland Central province, Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Tirivanhu Chipfuwa --- Department of Health Sciences, Faculty of Science, Zimbabwe Ancia Manwere --- Department of Health Sciences, Faculty of Science, Zimbabwe Margret M Kuchenga --- Department of Health Sciences, Faculty of Science, Zimbabwe Lynah Makuyana --- Department of Health Sciences, Faculty of Science, Zimbabwe Estelle Mwanza --- Department of Health Sciences, Faculty of Science, Zimbabwe Elizabeth Makado --- Department of Health Sciences, Faculty of Science, Zimbabwe Rumbidzai P Chimutso --- Department of Health Sciences, Faculty of Science, ZimbabweZimbabwe introduced the female condom in 1997, but acceptance was slow. A study was conducted to determine its level of awareness and uptake in women aged 18 to 49 years at Bindura Provincial Hospital, and at Chipadze and Chiwaridzo council... -
Prosobranch mollusc species- and size-preferences of Sargochromis codringtonii (Cichlidae) in Lake Kariba, Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: J Brodersen MJ Chimbari H MadsenFrom the stomach contents of 28 wild-caught Sargochromis codringtonii from Lake Kariba the size and species of snails consumed were estimated from opercula found. An energetic cost/benefit ratio of the various sizes of the most frequent prey, Bellamya capillata, was... -
The distribution and habitat in the Knysna Estuary of the endemic South African mudsnail Hydrobia knysnaensis and the influence of intraspecific competition and ambient salinity on its abundance
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Rsk BarnesThe typical habitat of the rare, endemic South African mudsnail Hydrobia knysnaensis is the leaves of upper-shore Zostera capensis within high-salinity salt-marsh pools and channels. In the Knysna estuarine system, it is the numerically dominant member of a guild of... -
Modelling highly variable daily maximum water temperatures in a perennial South African river system
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NicholasA Rivers-Moore CarelN Bezuidenhout GrahamPW JewittThirty-three months of observed hourly water temperatures were used to calculate daily maximum water temperatures for nine sites within the Sabie-Sand River system, Mpumalanga Province, South Africa. A suite of statistical models for simulating daily maximum water temperatures, of differing... -
Louisiana crayfish (Procambarus clarkii) (Crustacea: Cambaridae) in Kenyan ponds: non-target effects of a potential biological control agent for schistosomiasis
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DavidM Lodge SadieK Rosenthal KennethM Mavuti Wairimu Muohi Philip Ochieng SamanthaS Stevens BenjaminN Mungai GeraldM MkojiThe Louisiana crayfish (Procambarus clarkii) has been proposed as a biological control agent for the intermediate snail hosts (Bulinus and Biomphalaria spp.) of human schistosomes (Schistosoma haematobium and S. mansoni) in Kenya. Using laboratory and field experiments, we examined the... -
Susceptibility of schistosome host snails to predation by sciomyzid flies (Diptera: Sciomyzidae) in South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Rajendra Maharaj Inbarani Naidoo ChristopherC AppletonAfrotropical sciomyzids are predators of freshwater pulmonate snails. Studies have indicated that these flies may play a role in controlling medically important (target) snail populations, especially snail intermediate hosts of schistosomes. This study investigated the preferential feeding of Sepedon scapularis... -
Distribution and habitats of Bulinus natalensis and its role as intermediate host of economically important helminth parasites in South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: KennéN de Kock CorneliusT WolmaransThis article focusses on the geographical distribution and habitats of Bulinus natalensis, as reflected by the samples taken from 244 collection sites on record in the database of the National Freshwater Snail Collection (NFSC) at the Potchefstroom campus of the... -
Gastropod distribution in Lakes George and Edward, Uganda, relative to copper and cobalt levels
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RD Holmberg --- Chemicals Division, Danish Environmental Protection Agency, Denmark H Madsen --- DBL Centre for Health Research and Development, Department of Veterinary Disease Biology, Faculty of Life Sciences, Denmark TK Kristensen --- DBL Centre for Health Research and Development, Department of Veterinary Disease Biology, Faculty of Life Sciences, Denmark A Jørgensen --- DBL Centre for Health Research and Development, Department of Veterinary Disease Biology, Faculty of Life Sciences, DenmarkPublished data show that Lake George, Uganda, has a poorer gastropod fauna than Lake Edward, to which it is connected through the Kazinga Channel. We conducted a study in 2001 to test whether this could be linked to copper (Cu)... -
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... -
Railway Plantations and Railway Sleepers in South Africa, 1910–1937
Item type: Journal Article • Journal: South African Forestry Journal • Authors: G.H. Pirie --- Department of Geography and Environmental Studies,Plantations owned by the South African Railways in the period 1910–1937 were not an important source of timber for railway sleepers. The plantations yielded wood for other railway uses as well as for use in the mines and in box... -
CCA—treated Laminated Railway Sleepers and Telephone Cross-arms
Item type: Journal Article • Journal: South African Forestry Journal • Authors: W.E. Conradie --- Council for Scientific and Industrial Research,A non-conventional process for the manufacturing of laminated pine railway sleepers and telephone cross-arms, involving the treatment of laminations with copper-chrome-arsenic (CCA) preservatives before gluing and assembly, was investigated. -
The potential for using acoustic tracking to monitor the movement of the West Coast rock lobster Jasus lalandii
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: LJ Atkinson S Mayfield AC CockcroftAlthough acoustic tracking has been used to study the movement of several species of clawed and spiny lobsters, only recent technological advances have provided sufficiently small transmitters to examine the utility of using acoustic tracking as a means to analyse... -
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,... -
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... -
The reproductive style of Diplodus capensis (Sparidae) in southern Angola: rudimentary hermaphroditism or partial protandry?
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 WHH Sauer --- Department of Ichthyology and Fisheries Science, PO Box 94, South AfricaThe reproductive style of Diplodus capensis was examined in an unexploited coastal area in southern Angola. The mean length of females was significantly greater than that of males and, although not significant, females dominated the older age classes. The overall... -
Food consumption patterns, diversity of food nutrients and mean nutrient intake in relation to HIV/AIDS status in Kisumu district Kenya
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Agatha Christine Onyango --- School of Public Health and Community Development, Kenya Mary Khakoni Walingo --- School of Public Health and Community Development, Kenya Lucas Othuon --- Department of Educational Psychology, KenyaAs the causes and consequences of the AIDS epidemic become clearer, so does the fundamental importance of food and nutritional security for HIV-affected individuals. Even as food insecurity remains a major problem in poor households, its effects are worsened in... -
Impact of Sargochromis codringtonii (Teleostei: Cichlidae) on pulmonate snails in irrigation ponds in Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MosesJ Chimbari Paul Makoni Henry MadsenThe impact of Sargochromis codringtonii on pulmonate snails, including those that transmit schistosomiasis, was assessed over 29 months in 2 800m2 irrigation ponds. Snail populations in fishless ponds were first monitored for 10 months before 85 S. codringtonii were introduced... -
A preliminary investigation of winter daily food intake by four small teleost fish species from the Igoda Estuary, Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: LukhanyisoU Vumazonke TebelloS Mainoane Tembela Bushula EvgenyA PakhomovThe winter diet and daily ration of four small size classes of estuary-associated fishes, Rhabdosargus holubi, Gilchristella aestuaria, Glossogobius callidus and Monodactylus falciformis, from the temporarily open/closed Igoda Estuary were investigated. The diet of G. callidus was dominated by gammarid... -
Population dynamics, life-history traits of and habitat use by two sympatric nothobranchiid fishes in a tropical stream, Kainji Lake Basin, Nigeria
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: BD Olaosebikan SL Lamai T MusschootPopulation dynamics and life-history traits of two sympatric nothobranchiid killifishes, Epiplatys bifasciatus and E. spilargyreius, were studied for 24 months in an intermittent stream in the Kainji Lake Basin, Nigeria. Epiplatys bifasciatus was more abundant throughout the study period, but... -
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... -
Inducible defences in Acacia sieberiana in response to giraffe browsing
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AD Zinn D Ward K KirkmanAcacia trees comprise a principal component of the diet of many African browsers. The resultant browsing pressure has led to the evolution of both physical and chemical responses in Acacia trees. In an observational study, we investigated the physical and... -
A condition index for African penguin Spheniscus demersus chicks
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Lubbe --- Animal Demography Unit, Department of Biological Sciences, South Africa LG Underhill --- Animal Demography Unit, Department of Biological Sciences, South Africa LJ Waller --- Animal Demography Unit, Department of Biological Sciences, South Africa J Veen --- VEDA Consultancy, The NetherlandsThe body condition of altricial seabird chicks is directly related to the amount of food received from their parents, which depends on feeding conditions at sea. An index of body condition is therefore a useful tool for assessing variation in... -
Processes influencing the population dynamics and conservation of African penguins on Dyer Island, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Ludynia --- Marine Research Institute, Department of Biological Sciences, South Africa LJ Waller --- Western Cape Nature Conservation Board, South Africa RB Sherley --- Marine Research Institute, Department of Biological Sciences, South Africa F Abadi --- Animal Demography Unit, Department of Biological Sciences, South Africa Y Galada --- Marine Research Institute, Department of Biological Sciences, South Africa D Geldenhuys --- Western Cape Nature Conservation Board, South Africa RJM Crawford --- Animal Demography Unit, Department of Biological Sciences, South Africa LJ Shannon --- Marine Research Institute, Department of Biological Sciences, South Africa A Jarre --- Marine Research Institute, Department of Biological Sciences, South AfricaDyer Island, South Africa, supported the largest African penguin Spheniscus demersus colony in 1979 (22 655 breeding pairs), but population dynamics of the species have not followed the trends of adjacent colonies in years of high fish abundance or shifts... -
Perioperative cardiac care - not just systolic
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: E Hodgson --- Anaesthesia, -
The LMA Classic™ as a conduit for tracheal intubation in adult patients: a review and practical guide
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: ANJ Alberts --- Clinical Unit, Department of Anaesthesiology and Critical Care Kalafong Hospital; Faculty of Health Sciences,Unexpected difficulty in maintaining an open airway following induction of anaesthesia remains an ever-present hazard. Repetitive attempts at direct laryngoscopy and intubation are generally acknowledged to be inappropriate. The LMA ClassicTM is recognised as a rescue ventilation device in failed... -
Epidemiological profile of non-daily smokers in South Africa: implications for practice
Item type: Journal Article • Journal: South African Family Practice • Authors: OA Ayo-Yusuf --- Department of Community Dentistry and School of Health Systems and Public Health, B Szymanski --- School of Health Systems and Public Health,Background: This study sought to provide an epidemiological profile of non-daily (ND) smokers in South Africa. -
Nail changes in systemic diseases
Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology, South Africa MC Mayayise --- Department of Internal Medicine, South AfricaDiscerning between actual nail conditions and nail changes associated with systemic disease is a very important and interesting part of any clinical examination. This article provides a helpful clinical atlas of nail changes that may be associated with systemic disease... -
Challenges faced by older women in Botswana in accessing services that address sexual and reproductive health, and family planning needs, in Botswana
Item type: Journal Article • Journal: South African Family Practice • Authors: NO Ama --- Department of Statistics, E Ngome --- Department of Population Studies,Objective: This study explored the challenges that older women from selected sites in Botswana face in accessing services that address sexual and reproductive health (SRH) and family planning (FP) needs. -
A review of phosphodiesterase type 5 inhibitors
Item type: Journal Article • Journal: South African Family Practice • Authors: N Schellack --- Department of Pharmacy, Faculty of Health Sciences, A Agoro --- Department of Pharmacy, Faculty of Health Sciences,Currently, three phosphodiesterase type 5 (PDE5) inhibitors are available for clinical use in South Africa; sildenafil, vardenafil and tadalafil. The PDE inhibitors are used in males to treat erectile dysfunction. However, sildenafil is also registered for use in the treatment... -
Access–usage qualities of information technology in higher education setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Watson Moffat Manduna --- Central University Technology,This study examined access and usage qualities as perceived by students of Information Communication Technologies (ICT) at a South African technology university. Participants were 40 randomly selected first-year (n = 20) and second-year (n = 20) students with an average age of 23 years... -
Microalgal responses to physico-chemical variability in the small temporarily open/closed Seteni Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NK Carrasco --- School of Life Sciences, South Africa R Perissinotto --- School of Life Sciences, South AfricaThe Seteni Estuary is a small temporarily open/closed estuary (TOCE) in South Africa under the influence of agricultural practices. While the general significance of microalgae to estuarine production is widely recognised, the factors regulating microalgal biomass in these heterogeneous systems... -
Developing and implementing global gender policy to reduce HIV and AIDS in low- and middle -income countries: Policy makers’ perspectives
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Shannon Olinyk --- University of Michigan Columbus, USA Andrew Gibbs --- Health Economics and HIV/AIDS Research Division (HEARD), South Africa Catherine Campbell --- Institute of Social Psychology, London School of Economics and Political Science, UKGender inequalities have been recognised as central to the HIV epidemic for many years. In response, a range of gender policies have been developed in attempts to mitigate the impact and transform gender relations. However, the effects of these policies... -
Central oxygen pipeline failure
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Lelanè Mostert --- Department of Anaesthesiology and Sedation & Pain Control, South Africa André R Coetzee --- Department of Anaesthesia and Critical Care, South AfricaAnaesthetic and critical care staff play a governing role in the comprehension of a hospital’s oxygen delivery system and associated contingency plans for internal disaster management. Therefore, staff must be thoroughly prepared and properly trained to support an institution-wide emergency... -
The psychological conditions that predict work engagement among tertiary education employees
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gamuchirai L. Chikoko --- School of Applied Human Sciences, South Africa Johanna H. Buitendach --- School of Applied Human Sciences, South Africa Herbert Kanengoni --- Department of Industrial Psychology, South AfricaThis study investigated the extent to which the psychological conditions and job characteristics predicted work engagement amongst higher education employees (n = 149, females = 60%) from a South African University. The participants completed a variety of instruments on psychological conditions of work, job... -
The molluscicidal efficacy of methanol extracts of Pterocarpus angolensis, Sclerocarya birrea, Pappea capensis and Commiphora africana against Lymnaea natalensis and Helisoma duryi
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Ndabambi --- Department of Environmental Science and Health, Zimbabwe N Basopo --- Department of Applied Biology and Biochemistry, Zimbabwe LC Nkiwane --- Department of Textile Technology, Zimbabwe YS Naik --- Department of Environmental Science and Health, ZimbabweTropical plants have been shown to contain compounds that have some molluscicidal activity against snail intermediate hosts of parasitic trematodes. Dried methanol extracts of Pterocarpus angolensis, Sclerocarya birrea, Pappea capensis and Commiphora africana were screened for molluscicidal activity against Lymnaea... -
Population dynamics and ecology of freshwater gastropods in the highveld and lowveld regions of Zimbabwe, with emphasis on schistosome and amphistome intermediate hosts
Item type: Journal Article • Journal: African Zoology • Authors: G. Chingwena --- Department of Paraclinical Veterinary Studies, Zimbabwe S. Mukaratirwa --- Department of Paraclinical Veterinary Studies, Zimbabwe M. Chimbari --- University of Zimbabwe Lake Kariba Research Station, Zimbabwe T. K. Kristensen --- Danish Bilharziasis Laboratory, Denmark H. Madsen --- Danish Bilharziasis Laboratory, DenmarkFrom November 1998 to October 2000, patterns of distribution and seasonal population fluctuations of snails and factors influencing them were investigated in six dams and six streams in the highveld region, and in nine dams in the lowveld region of... -
Trematode infection among freshwater gastropods in Tessaout Amont irrigation system, Morocco
Item type: Journal Article • Journal: African Zoology • Authors: Hammou Laamrani --- Ministry of Education, Morocco Eline Boelee --- Department of Parasitology, Faculty of Medicine, the Netherlands Henry Madsen --- Danish Bilharziasis Laboratory, DenmarkIn the summer of 1994 and the spring of 1995, a snail survey aimed at determining relationships between the distribution of molluscan fauna, various environmental factors and trematode infection was carried out in the Tessaout Amont irrigation system, Morocco. The... -
Sexual disparity in activity patterns and time budgets of angulate tortoises (Chersina angulata) on Dassen Island, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Toby Keswick --- Department of Biodiversity and Conservation Biology, South Africa Brian T. Henen --- Department of Biodiversity and Conservation Biology, South Africa Margaretha D. Hofmeyr --- Department of Biodiversity and Conservation Biology, South AfricaBehavioural frequencies and time budgets for male and female Chersina angulata were recorded in spring, September 2004. The daily activity of the population was 10.51 ± 0.42 h (mean ± CI), but individual males and females were in the open... -
Quantification of shell banding polymorphism in the East African tree snail Sitala jenynsi (Pulmonata: Ariophantidae)
Item type: Journal Article • Journal: African Zoology • Authors: Peter F. Kasigwa --- Department of Zoology, Tanzania John A. Allen --- School of Biological Sciences, University of Southampton, U.K.In eastern Africa, populations of the tree snail Sitala jenynsi are monomorphic, dimorphic or trimorphic for the width of the upper brown band on their shells.We measured the variation in the width of this band in several populations and analysed... -
Faecal analysis suggests generalist diets in three species of Western Cape cordylids
Item type: Journal Article • Journal: African Zoology • Authors: S. Clusella-Trullas --- Department of Botany and Zoology, South Africa A. Botes --- Department of Botany and Zoology, South AfricaClimate has been proposed as an explanation for the present-day distribution of closely-related melanistic and non-melanistic cordylid species in the southwestern Cape of South Africa. However, diet may also contribute towards shaping geographic distributions. We present preliminary data on diet... -
Reproductive strategy of the Egyptian free-tailed bat, Tadarida aegyptiaca, from a subtropical latitude (25°S) in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Anja le Grange --- Department of Zoology and Entomology, South Africa Mac van der Merwe --- Department of Zoology and Entomology, South Africa Márthan Bester --- Department of Zoology and Entomology, South AfricaFree-tailed bats (Molossidae) are widely distributed in Africa and exhibit considerable reproductive flexibility. The Egyptian free-tailed bat, Tadarida aegyptiaca, is one of the most widespread of the molossids and is therefore an excellent model to study the variation in reproduction... -
Ontogenetic dietary shift and morphological correlates for Diplodus capensis (Teleostei: Sparidae) in southern Angola
Item type: Journal Article • Journal: African Zoology • Authors: Timothy J. Richardson --- Department of Ichthyology and Fisheries Science, South Africa Warren M. Potts --- Department of Ichthyology and Fisheries Science, South Africa Carmen V. Santos --- Faculdade Ciências da Universidade Agostinho Neto (FCUAN), Angola Warwick H.H. Sauer --- Department of Ichthyology and Fisheries Science, South AfricaAllometric growth patterns of functional morphological variables that reflect resource use in fish were correlated with the diet of Diplodus capensis in southern Angola. A total of 114 individuals (76–336 mm FL) were collected for stomach content analysis and a... -
Autotomy, tail regeneration and jumping ability in Cape dwarf geckos (Lygodactylus capensis) (Gekkonidae)
Item type: Journal Article • Journal: African Zoology • Authors: Patricia A. Fleming --- School of Veterinary and Biomedical Sciences, Murdoch University, Murdoch, Australia Philip W. Bateman --- Department of Zoology and Entomology, South AfricaMany studies have examined the effect of caudal autotomy on speed and behaviour of lizards escaping over horizontal surfaces, but there have been few studies on lizards escaping over vertical surfaces and, in particular, species that jump between surfaces. We... -
Freshwater snail distribution related to environmental factors in Banco National Park, an urban reserve in the Ivory Coast (West Africa)
Item type: Journal Article • Journal: African Zoology • Authors: I.A. Camara --- Laboratoire d’Environnement et de Biologie Aquatique, Université d’Abobo-Adjamé, Y.K. Bony --- Laboratoire d’Environnement et de Biologie Aquatique, Université d’Abobo-Adjamé, D. Diomandé --- Laboratoire d’Environnement et de Biologie Aquatique, Université d’Abobo-Adjamé, O.E. Edia --- Laboratoire d’Environnement et de Biologie Aquatique, Université d’Abobo-Adjamé, F.K. Konan --- Laboratoire d’Environnement et de Biologie Aquatique, Université d’Abobo-Adjamé, C.N. Kouassi --- Centre National de Recherche Agronomique (CNRA), Programme Pêche et Aquaculture Continentales (PAC), G. Gouréne --- Laboratoire d’Environnement et de Biologie Aquatique, Université d’Abobo-Adjamé, J.P. Pointier --- Centre de Biologie et d’Ecologie Tropicale et Méditerranéenne, USR 3278 CNRS-EPHE, Université de Perpignan,Freshwater snails and environmental variables were studied at seven stations along the Banco River (Ivory Coast;West Africa) from March to October 2008. Two species (Physa marmorata (Physidae) and Bulinus forskalii (Planorbidae) were recorded only at one sampling site. This station... -
Hospitality in women’s wear retail in São Paulo City
Item type: Journal Article • Journal: • Authors: Izabel Cristina Sabatier de Faria --- Hospitality and Tourism, University of Anhembi Morumbi, São Paulo, Brazil Ricardo Gil Torres --- Hospitality and Tourism, University of Anhembi Morumbi, São Paulo, BrazilThis article investigates the relationship between seller and customer in retail women’s wear business in São Paulo, considering hospitality driven strategies adopted by it. It is assumed that in this segment people tend to play different roles according to common... -
Factors influencing credit assessment
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: M Ward --- Wits Business School, Graduate School of Business Administration,This study examines the perceptions of credit analysts on which factors determine credit risk. A sample drawn from the major international credit underwriters was used to rank a previously derived set of micro-economic variables in terms of their importance as... -
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... -
Evaluating and predicting the failure probabilities of hedge funds
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Hee Soo Lee --- Discipline of Finance, School of Business, Korea Juan Yao --- Discipline of Finance, AustraliaHedge funds have the most sophisticated risk management practices; however, they also appear to have a short lifetime relative to other managed funds. In this study we investigate the failure probabilities of hedge funds – particularly the failures due to... -
A comparison of multivariate discriminant and logistic regression analysis in the prediction of corporate failure in South Africa
Item type: Journal Article • Journal: De Ratione • Authors: P W Court --- Rhodes University, S E Radloff --- Rhodes University,The prediction of corporate failure, based on a specific model, is of vital importance to a large body of individuals. The two statistical methodologies which enjoy prominence in the literature when establishing these models are multivariate discriminant analysis and logistic... -
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... -
An investigation into the significance of certain firm-specific non-financial variables in a failure prediction model
Item type: Journal Article • Journal: De Ratione • Authors: P W Court --- Rhodes University,Most failure prediction models contain only financial ratios. There are nevertheless a number of firm-specific, non-financial ratios which could point to failure. This article attempts to Investigate the impact of some of these variables in a failure prediction model, it... -
A note on failure prediction models as aids to the credit evaluation procedure in a South African Commercial Bank
Item type: Journal Article • Journal: De Ratione • Authors: G.A. Garbers --- Senior lending officer, Standard Bank Cape Town, E.O. Uliana --- Professor of Accounting,Errors by bank lending officers in assessing a loan application are costly to the bank. The literature suggests that the credit evaluation process can be enhanced by the use of failure prediction models. -
A review of the efficiency of the Johannesburg Stock Exchange
Item type: Journal Article • Journal: De Ratione • Authors: Narendra Bhana --- Graduate School of Business University of Durban-Westville Private Bag,In recent years there has been considerable evidence which contradicts the efficient market hypothesis. This evidence is reviewed with particular attention to the JSE, The efficiency of the JSE is evaluated by using an efficiency scale which ranges from perfect... -
A review of renal protection strategies
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Erna Meyer --- Northland District Health Board, Whangarei Base Hospital, New ZealandGlobally, more than 10 million people are affected every year by acute kidney injury (AKI) and approximately 6% of hospital patients sustain some degree of kidney injury during their hospital event. Reducing perioperative kidney injury may significantly improve patient outcomes... -
A case study of Caribbean chartered airline services for possible application in the Eastern Cape
Item type: Journal Article • Journal: • Authors: Radu Mihailescu --- Department of Economics, Free University of Bolzano, ItalyTourism is becoming a vital component of economic development in South Africa. In the light of South Africa having hosted the 2010 Football World Cup, it is important to identify sustainable tourism that continues to benefit the economy long after... -
Establishing Cynodon dactylon on mining tailings and mining-impacted soil of a copper–cobalt mine in the Democratic Republic of the Congo
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: JE Granger --- SAEON, South Africa TG O'Connor --- SAEON, South AfricaMining for copper and cobalt generates extensive mounds of removed topsoil and subsoil, and tailings with toxic levels of copper and cobalt. The threat of soil erosion in a high rainfall regime can be countered with rapid establishment of a... -
The liminality of kidney failure in South African state hospitals
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Diana Gibson --- Department of Anthropology and Sociology,Experiences of patients attempting to gain access to dialysis in state health services in the Western Cape provide examples that illustrate the usefulness of Turner's work on liminality in relation to the South African healthcare system. The ritualised routines of... -
Dominance and population structure of freshwater crabs (Potamonautes perlatus Milne Edwards)
Item type: Journal Article • Journal: South African Journal of Zoology • Authors: M.J. Somers --- Department of Zoology, University of Stellenbosch, South Africa J.A.J. Nel --- Department of Zoology, University of Stellenbosch, South AfricaAlthough freshwater crabs, Potamonautes spp, are abundant (up to 23 crabs m-2) in southern African freshwater systems and form a major part of the diet of many vertebrates, little is known about their biology. Understanding crab population dynamics and behaviour,... -
Geographic variation in sexual size dimorphism in the rock agama, Agama atra (Sauria: Agamidae)
Item type: Journal Article • Journal: African Zoology • Authors: A.F. Flemming --- National Museum, South Africa P. le F.N. Mouton --- Department of Zoology, South AfricaSignificant sexual dimorphism in overall size occurs in the rock agama, Agama atra (Sauria; Agamidae), with males growing larger than females. Geographic variation in the degree of sexual size dimorphism also exists, males growing significantly larger than females in Namaqualand... -
The status of Sauromys petrophilus and Chaerephon pumilus (Chiroptera: Molossidae) in the Western Cape Province of South Africa
Item type: Journal Article • Journal: African Zoology • Authors: David S. Jacobs --- Department of Zoology, South Africa M. Brock Fenton --- Department of Biology, CanadaChaerephon pumilus is widespread in tropical and subtropical Africa, with an outlying southern population near the Cape which is based primarily on records of specimens captured at the Algeria Forestry Station (32°22’S, 19°03’E) in South Africa. Sauromys petrophilus, a flat-headed... -
Territoriality and breeding success in Gurney’s sugarbird, Promerops gurneyi
Item type: Journal Article • Journal: African Zoology • Authors: K.M. Calf --- Department of Zoology, South Africa C.T Downs --- School of Botany and Zoology, South Africa M.I. Cherry --- Department of Zoology, South AfricaTerritory size and quality were determined for Gurney’s sugarbirds in Qwaqwa National Park, northeastern Free State, South Africa. Changes in territory size of Gurney’s sugarbirds during the six-month season reflect increases in numbers of territorial birds and inflorescences at mid... -
An enclosure study to evaluate the effect of Sargochromis codringtoni on snail populations in an irrigation canal
Item type: Journal Article • Journal: African Zoology • Authors: Jakob Brodersen --- Danish Bilharziasis Laboratory, Denmark Moses J. Chimbari†† --- Blair Research Laboratory, Zimbabwe Henry Madsen† --- Danish Bilharziasis Laboratory, DenmarkThe cichlid fish, Sargochromis codringtoni has been suggested as an alternative to the use of molluscicides for controlling schistosome intermediate host snails. To determine the effect of the fish on Bulinus globosus and Biomphalaria pfeifferi populations in irrigation canals, an... -
Costs associated with tail autotomy in an ambush foraging lizard, Cordylus melanotus melanotus
Item type: Journal Article • Journal: African Zoology • Authors: Suzanne McConnachie --- Communication and Behaviour Research Group, School of Animal, Plant and Environmental Sciences, South Africa Martin J. Whiting --- Communication and Behaviour Research Group, School of Animal, Plant and Environmental Sciences, South AfricaTail autotomy is a widespread method of escape among lizards and can be costly. Most studies on the effects of tail loss have focused on active foraging lizards, but few data exist for ambush foraging lizards. We investigated potential costsassociated... -
Leaf biomechanics as a potential tool to predict feeding preferences of the geometric tortoise Psammobates geometricus
Item type: Journal Article • Journal: African Zoology • Authors: Ronald A. Balsamo --- Department of Biology, U.S.A Margaretha D. Hofmeyr --- Chelonian Biodiversity and Conservation, Department of Biodiversity and Conservation Biology, South Africa Brian T. Henen --- Chelonian Biodiversity and Conservation, Department of Biodiversity and Conservation Biology, South Africa Aaron M. Bauer --- Department of Biology, U.S.AFood and non food plant characteristics were studied for the geometric tortoise, Psammobates geometricus, to test the hypothesis that feeding preferences in tortoises may be influenced by the mechanical properties of plant leaves. Twelve focal feeding observations made between 8... -
Male aggression and mating opportunity in a poeciliid fish
Item type: Journal Article • Journal: African Zoology • Authors: Kit Magellan --- Department of Ichthyology and Fisheries Science, U.S.A Horst Kaiser --- Department of Ichthyology and Fisheries Science, U.S.AOne function of aggression in animals is to gain access to mates. Aggression may therefore be favoured by sexual selection, the strength of which can be assessed using repeatability of aggressive behaviour. Here, we tested the hypotheses that male swordtails,... -
Assessing the potential benefits of organic and mineral fertiliser combinations on legume productivity under smallholder management in Zimbabwe
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Grace Kanonge --- Chemistry and Soils Research Institute, Zimbabwe Florence Mtambanengwe --- Soil Fertility Consortium for Southern Africa (SOFECSA), Department of Soil Science and Agricultural Engineering, Zimbabwe Muneta G Manzeke --- Soil Fertility Consortium for Southern Africa (SOFECSA), Department of Soil Science and Agricultural Engineering, Zimbabwe Hatirarami Nezomba --- Soil Fertility Consortium for Southern Africa (SOFECSA), Department of Soil Science and Agricultural Engineering, Zimbabwe Paul Mapfumo --- Soil Fertility Consortium for Southern Africa (SOFECSA), Department of Soil Science and Agricultural Engineering, ZimbabweProductivity of grain legumes on sandy soils of southern Africa is critically limited by marginal fertilisation. Effects of co-applying phosphorus (P)-based mineral fertilisers and organic nutrient resources to cowpea (Vigna unguiculata (L.) Walp.) and soyabean (Glycine max L.) were investigated... -
Ecophysiology of Acacia species in wet–dry tropical plantations
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Alieta Eyles --- Tasmanian Institute of Agriculture, University of Tasmania, Australia Paul Drake --- Cooperative Research Centre for Forestry, Australia Le Thanh Quang --- Forest Science Sub-Institute of South Vietnam, Vietnam Pham Van Bon --- Forest Science Sub-Institute of South Vietnam, Vietnam Daniel Mendham --- CSIRO Ecosystems Sciences, Australia Don White --- CSIRO Ecosystems Sciences, Australia Kieu Tuan Dat --- Forest Science Sub-Institute of South Vietnam, Vietnam Pham The Dung --- Forest Science Sub-Institute of South Vietnam, Vietnam Chris Beadle --- Tasmanian Institute of Agriculture, University of Tasmania, AustraliaSelected tropical Acacia species are used extensively for short-rotation plantation forestry in many parts of Asia and, to a limited degree, in Australia. We explored leaf-level photosynthetic activity and leaf water potential (Ψleaf) of three field-grown Acacia tree species (aged... -
Strength and stiffness capacity utilisation of timber members in roof truss structures
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: C Brand Wessels --- Department of Forest and Wood Science, South Africa Nils-Olaf Petersen --- Department of Forest and Wood Science, South AfricaThe main objective of this study was to determine which property, of the six strength and stiffness properties used in structural timber design, was the most influential in the design of nail-plated roof trusses. Thirty recently completed nail-plated roof truss... -
Person-environment fit, job satisfaction and intentions to leave: The moderating effect of leader empowering behaviour
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kleinjan Redelinghuys --- Department of Industrial Psychology, Optentia Research Focus Area, South Africa Elrie Botha --- Department of Industrial Psychology, Optentia Research Focus Area, South AfricaThis study sought to determine the possible indirect effect of person-environment (PE) fit on intentions to leave via job satisfaction and the moderating effect of leader empowering behaviour on job satisfaction and intentions to leave the work organisation. Participants were... -
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%,... -
Development and testing of recipes suitable for patients with chronic renal failure
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: N Conradie [AN0001] Mg Herselman --- Division of Human Nutrition, Faculty of Health Sciences, Ml Marais --- Division of Human Nutrition, Faculty of Health Sciences,Objectives: The main objectives of the study were to develop and test recipes that meet the nutritional requirements of and are acceptable to patients with chronic renal failure. The secondary objectives were to determine gender and racial differences in the... -
Intestinal failure in childhood
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: O. Goulet --- Integrated program of Intestinal Failure, Home Parenteral Nutrition and Liver-Intestinal Transplantation, FranceIntestinal failure (IF) requires the use of parenteral nutrition (PN) for as long as it persists and in case of irreversible IF may be an indication for intestinal transplantation (ITx). Biological evaluation of IF is becoming possible with the use... -
Nutrition in paediatric Crohn’s disease
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: O. Goulet --- Department of Pediatric Gastroenterology, Hepatology and Nutrition, FranceInflammatory bowel disease (IBD) such as Crohn’s disease (CD) results from the interaction between an individual’s immune response and precipitant environmental factors, which generate an anomalous chronic inflammatory response in those who are genetically predisposed. Protein-energy malnutrition (PEM) is a... -
What health professionals should know about omega-3 fatty acid supplements
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: M Opperman --- Department of Agriculture and Food Science,Omega-3 (n-3) fatty acids are essential to maintain satisfactory human health and need to be consumed in the diet. Western diets are often deficient in n-3 fatty acids because of an insufficient intake of cold water oily fish. The main... -
The female athlete triad in student track and field athletes
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Jg Robbeson --- Centre of Excellence for Nutrition, L Havemann-Nel --- Centre of Excellence for Nutrition, Hh Wright --- Centre of Excellence for Nutrition,Objectives: To explore the female athlete triad components in university track and field athletes, as well as calculate estimated energy availability. -
Food availability and accessibility in the local food distribution system of a low-income, urban community in Worcester, in the Western Cape province
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ja Roos --- Department of Industrial Engineering, Ga Ruthven --- Department of Industrial Engineering, Mj. Lombard --- Research and Information Division of Human Nutrition Faculty of Medicine and Health Sciences, Mh McLachlan --- Research and Information Division of Human Nutrition Faculty of Medicine and Health Sciences,Objectives: The objective was to understand the local food distribution system in Avian Park, with a focus on food availability and accessibility. -
Inequalities in scholarly knowledge: Public value failures and their impact on global science
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Thema Monroe-White --- SageFox Consulting Group, USA Thomas S. Woodson --- Department of Technology and Society, USAThere is a growing body of literature that acknowledges the overall trends in publication patterns in the least economically advantaged countries. The pattern shows that there are disparities between the Global North and Global South with regard to indexed publication... -
A helping hand: artificial nest site provisioning increases breeding success of a tropical seabird
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: LA Hart --- School of Life Sciences, South Africa J Gane --- Cousine Island Conservation Management, I Olivier --- Cousine Island Conservation Management, CT Downs --- School of Life Sciences, South Africa M Brown --- School of Life Sciences, South AfricaCommon white terns Gygis alba lay a single egg balanced on rocks or branches and consequently are at risk of low nesting success. A novel technique of hollowing out coconut husks and providing artificial nest sites was developed on Cousine... -
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... -
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... -
Cape cormorants decrease, move east and adapt foraging strategies following eastward displacement of their main prey
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: RJM Crawford --- Branch: Oceans & Coasts, Department of Environmental Affairs, South Africa RM Randall --- South African National Parks, South Africa TR Cook --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa PG Ryan --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa BM Dyer --- Branch: Oceans & Coasts, Department of Environmental Affairs, South Africa R Fox --- Addo Elephant National Park, South African National Parks, South Africa D Geldenhuys --- CapeNature, Voëlklip, South Africa J Huisamen --- CapeNature, Voëlklip, South Africa C McGeorge --- CapeNature, Voëlklip, South Africa MK Smith --- South African National Parks, South Africa L Upfold --- Branch: Oceans & Coasts, Department of Environmental Affairs, South Africa J Visagie --- CapeNature, Scientific Services, Assegaaibosch Nature Reserve, South Africa LJ Waller --- CapeNature, Voëlklip, South Africa PA Whittington --- Department of Zoology, South Africa CG Wilke --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries, South Africa AB Makhado --- Branch: Oceans & Coasts, Department of Environmental Affairs, South AfricaNumbers of Cape cormorants Phalacrocorax capensis breeding in South Africa decreased by nearly 50% from approximately 107 000 pairs in 1977–1981 to 57 000 pairs in 2010–2014. Although four colonies had >10 000 pairs in 1977–1981, there was just one... -
Dispensing of vitamin products by retail pharmacies in South Africa: Implications for dietitians
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ilse Truter --- Department of Pharmacy, South Africa Liana Steenkamp --- HIV & AIDS Research Unit, Nelson Mandela Metropolitan University, South AfricaObjective: The objective of this study was to analyse the dispensing patterns of vitamins (Anatomical Therapeutic Chemical (ATC) group A11) over a one-year period in a group of community pharmacies in South Africa. -
The annual pattern of sap flow in two Eucalyptus species established in the vicinity of gold-mine tailings dams in central South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Peter Dye --- Ecological Engineering and Phytotechnology Programme, Restoration and Conservation Biology Research Group, School of Animal, Plant and Environmental Sciences, South Africa Alistair Clulow --- Agrometeorology, South Africa Eric Prinsloo --- CSIR, Built Environment, South Africa Vivek Naiken --- CSIR, Natural Resources and the Environment, c/o Agrometeorology, South Africa Isabel Weiersbye --- Ecological Engineering and Phytotechnology Programme, Restoration and Conservation Biology Research Group, School of Animal, Plant and Environmental Sciences, South AfricaSeveral hundred mine tailings dams occur in the Witwatersrand Basin Goldfields in central South Africa. Seepage of acid mine drainage (AMD) from these unlined structures is widespread, and a variety of contaminants is released into soil and groundwater. The ‘Mine... -
An investigation of customer attitude towards online stores
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mercy Mpinganjira --- Department of Marketing Management, South AfricaDevelopments in information and communication technologies have transformed the way retailing is conducted today, enabling the opening of stores online. This study aims at examining customers’ post-purchase attitude towards online stores. Data was collected from 201 online customers from Gauteng,... -
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... -
Phylogeography of the pelagic fish Seriola lalandi at different scales: confirmation of inter-ocean population structure and evaluation of southern African genetic diversity
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BL Swart --- Molecular Breeding and Biodiversity Group, Department of Genetics, South Africa AE Bester-van der Merwe --- Molecular Breeding and Biodiversity Group, Department of Genetics, South Africa SE Kerwath --- Department of Agriculture, South Africa R Roodt-Wilding --- Molecular Breeding and Biodiversity Group, Department of Genetics, South AfricaThe study investigated the global and regional phylogeography of the yellowtail kingfish Seriola lalandi by examining genetic diversity and population genetic structure of this species at inter-and intra-ocean level and on a regional scale. DNA fragments of two mitochondrial genes,... -
A case study of Caribbean chartered airline services for possible application in the Eastern Cape
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Radu Mihailescu --- Department of Economics, ItalyTourism is becoming a vital component of economic development in South Africa. In the light of South Africa having hosted the 2010 Football World Cup, it is important to identify sustainable tourism that continues to benefit the economy long after... -
Hospitality in women's wear retail in São Paulo City
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Izabel Cristina Sabatier de Faria --- Hospitality and Tourism, University of Anhembi Morumbi, Brazil Ricardo Gil Torres --- Hospitality and Tourism, University of Anhembi Morumbi, BrazilThis article investigates the relationship between seller and customer in retail women's wear business in São Paulo, considering hospitality driven strategies adopted by it. It is assumed that in this segment people tend to play different roles according to common... -
Management for failed back surgery syndrome: three-in-one procedure versus percutaneous spinal fixation alone
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Ahmed Abdalla Mohamed --- Faculty of Medicine, Department of Anesthesiology & ICU, Egypt Atef Kamel Salama --- Faculty of Medicine, Department of Anesthesiology & ICU, Egypt Ahmed Essam Salem --- Faculty of Medicine, Department of Anesthesiology & ICU, Egypt Ashraf El Gallad --- Faculty of Medicine, Department of Neurosurgery, EgyptObjectives: To evaluate the short-term outcome of a 3-in-1 procedure including percutaneous facet radiofrequency, percutaneous spinal fixation and steroid with hyaluronidase enzyme injection versus percutaneous spinal fixation alone for cases with failed back surgery syndrome (FBSS). -
Characteristics of pulmonary tuberculosis patients in Moses Kotane region North West Province, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: JLM Yoko --- Department of Family Medicine and PHC, South Africa JM Tumbo --- Department of Family Medicine and PHC, South Africa AB Mills --- Department of Family Medicine and PHC, South Africa CD Kabongo --- Department of Family Medicine and PHC, South AfricaAim: To determine the characteristics of patients with pulmonary tuberculosis registered in primary health care facilities in Moses Kotane region North West Province. -
Daily activity, biometry and diet of the North African ocellated lizard Timon pater in Mount Chélia, north-eastern Algeria
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Messaoud Saoudi --- , , Algeria Abdeldjabar Necer --- , , Algeria Idriss Bouam --- , , Algeria Farouk Khelfaoui --- , , Algeria Oussama Saadi --- , , AlgeriaAlthough Timon pater is among the largest species of lacertids found throughout North Africa, mainly in Morocco, Algeria and Tunisia, studies examining the ecology of this lizard remain rare. In this paper we describe the daily activity patterns, biometry and... -
Factors associated with failed spinal anaesthesia for Caesarean sections in Mthatha general hospital, Eastern Cape, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: Adeyinka Abiodun Alabi --- Department of Family Medicine, South Africa Oladele Vincent Adeniyi --- Department of Family Medicine, South Africa Olukayode Ademola Adeleke --- Department of Family Medicine, South Africa Pamela Pillay --- School of Laboratory Medicine & Medical Sciences, Department of Anatomy, South Africa Mohamed Rashid Haffajee --- School of Laboratory Medicine & Medical Sciences, Department of Clinical Anatomy, South AfricaBackground: The use of spinal anaesthesia has increased in the last three decades, given that it is the recommended anaesthetic of choice for better foetal and maternal outcomes in Caesarean section. Failed spinal anaesthesia (FSA) exposes patients to unfavourable experience... -
Evaluating fit of the Prospective and Retrospective Memory Questionnaire (PRMQ) in a Nigerian adult population
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Philip C. Mefoh --- Department of Psychology, Nigeria Lawrence E. Ugwu --- Department of Psychology, Nigeria Agnes E. Okafor --- Department of Social Work, NigeriaThis study aimed to evaluate the latent structure of the Prospective and Retrospective Memory Questionnaire (PRMQ) and to estimate the reliability and validity of scores from the measure in a Nigerian adult population (N = 758; age range = 18... -
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 the daily activity, movement and refugia of Critically Endangered geometric tortoises, Psammobates geometricus, in autumn and spring
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Brian T. Henen --- , , South Africa Ulric P. van Bloemestein --- , , South Africa Margaretha D. Hofmeyr --- , , South Africa Craig A. Weatherby --- , , USATo help assess habitat requirements of Critically Endangered geometric tortoises, we used thread-trailing to measure daily activity, movements and refugia of adult Psammobates geometricus in autumn and spring 2002. We found strong differences between seasons, and effects of weather, individuals... -
The ‘new’ bricks-and-mortar store: An evaluation of website quality of online grocery retailers in BRICS countries
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Alicia Neva Weber --- Department of Entrepreneurship, Supply Chain, Transport, Tourism and Logistics Management, South Africa Johanna Adolphina Badenhorst-Weiss --- Department of Entrepreneurship, Supply Chain, Transport, Tourism and Logistics Management, South AfricaBackground: Online grocery retailing holds potentially fruitful outcomes for retailers and consumers. However, both retailers and consumers have been slow to adopt and participate in this form of grocery retailing, especially in countries with emerging economies such as those in... -
Spatio-seasonal dynamics of bacteria and metal composition of a platinum mine tailings dam, Rustenburg, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Molemi E Rauwane --- Agricultural Research Council–Biotechnology Platform, South Africa Laurette M Marais --- Department of Biotechnology, Faculty of Applied and Computer Sciences, Vanderbijlpark Campus, South Africa Oluwatosin G Oladipo --- Unit for Environmental Sciences and Management, South Africa Cornelius C Bezuidenhout --- Unit for Environmental Sciences and Management, South Africa Mark S Maboeta --- Unit for Environmental Sciences and Management, South AfricaSeasonal variations and proximity to polluted sites, among other factors, play a vital role in soil composition. The impact of spatio-seasonal changes on bacterial and heavy metal content on and around the platinum mine tailings dam, Rustenburg, South Africa, was... -
Opinions of South African dietitians on fistuloclysis as a treatment option for intestinal failure patients
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: A Du Toit --- Division of Human Nutrition, South Africa ABT Boutall --- Department of Surgery, R Blaauw --- Division of Human Nutrition, South AfricaIntroduction: Intestinal failure is the consequence of diverse aetiologies and pathophysiological causes. Fistuloclysis is an effective means of nutritional support to selected intestinal failure patients. This study aimed to investigate the management of adult intestinal failure patients in hospitals in... -
Estimated burden of aggregate anthropometric failure among Malawian children
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: M Ziba --- Faculty of Food and Human Sciences, Malawi AA Kalimbira --- Faculty of Food and Human Sciences, Malawi Z Kalumikiza --- Faculty of Food and Human Sciences, MalawiBackground: The prevalence and trends of undernutrition among children below the age of five in Malawi are well known from a conventional (stunting, wasting and underweight) but not aggregate indicator perspective. -
Nesting biology and food habits of the endangered Sakalava Rail Amaurornis olivieri in the Mandrozo Protected Area, western Madagascar
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Yverlin Z Pruvot --- The Peregrine Fund Madagascar Project, Madagascar Lily-Arison René de Roland --- The Peregrine Fund Madagascar Project, Madagascar Gilbert Razafimanjato --- The Peregrine Fund Madagascar Project, Madagascar Marius PH Rakotondratsima --- The Peregrine Fund Madagascar Project, Madagascar Aristide Andrianarimisa --- Department of Zoology and Biodiversity, Faculty of Science, Madagascar Russell Thorstrom --- The Peregrine Fund, USAWe studied the nesting biology and food habits of the endangered and endemic Sakalava Rail Amaurornis olivieri from July to November 2015 in the Mandrozo Protected Area, western Madagascar. Three nesting pairs were observed and their nests were constructed in... -
An exploration of the reasons women give for choosing legal termination of pregnancy at Soshanguve Community Health Centre, Pretoria, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: Carrien Steyn Indiran Govender --- Department of Family Medicine and Primary Health Care, South Africa John Velaphi NdimandeBackground: Termination of pregnancy (TOP) is one of the most commonly performed gynaecological procedures in the world and was legalised in South Africa in 1996 with the passing of the Choice on Termination of Pregnancy Act, 1996 (Act No. 29... -
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... -
Imaginings of Khoja, Maasai and Swahili Aesthetics in Artist Ethnographer Sultan Somjee's narratives
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Mala Pandurang --- Department of English, IndiaThis paper investigates the hitherto unexplored interaction between Asian settlers and the indigenous women with whom they came into direct contact in East Africa from the early 20th century onwards. The impact of their interaction was on the production of... -
Action 7 of the BEPS action plan and the permanent establishment status of non-resident online retailers in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Stephan Spies --- , South Africa Linda van Heerden --- ,Action 7 of the BEPS action plan identified a multinational tax planning strategy that typically avoids corporate tax in the consumer country by preventing the creation of a Permanent Establishment (PE) therein. This is especially relevant in South Africa’s online... -
A comparative study of hatchery waste meal with blood meal using laying Japanese quail
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Adetoyese Adeyemo --- Discipline of Animal and Poultry Science, South Africa Theodora Rani --- Discipline of Animal and Poultry Science, South Africa Adeyinka Odunsi --- Department of Animal Production and Health, Faculty of Agricultural Science, NigeriaProduction cost is a major challenge in the poultry industry of developing countries. It has compelled researchers to explore recycling animal protein sources as it has emerged the most expensive feed ingredient. Hatchery waste is readily and commonly available as... -
Linear structures in the Karoo, South Africa, and their impacts on biota
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: W Richard J Dean --- FitzPatrick Institute of African Ornithology, DST/NRF Centre of Excellence, Department of Biological Sciences, South Africa Colleen L Seymour --- FitzPatrick Institute of African Ornithology, DST/NRF Centre of Excellence, Department of Biological Sciences, South Africa Grant S Joseph --- FitzPatrick Institute of African Ornithology, DST/NRF Centre of Excellence, Department of Biological Sciences, South AfricaLinear structures include fences, roads, railways, canalised water ways and power lines, all man-made. Fencing as a way of managing livestock began in the late 1800s, and by the early twentieth century was almost fully implemented throughout the Karoo sensu... -
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... -
Family planning desires of older adults (50 years and over) in Botswana
Item type: Journal Article • Journal: South African Family Practice • Authors: Njoku Ola Ama --- Department of Statistics, John O Olaomi --- Department of Statistics,Background: This study analysed the views of a stratified sample of 444 older adult women from selected health districts in Botswana on their family planning (FP) use, knowledge, accessibility and availability. -
Food profile of Grey Wagtail Motacilla cinerea during an annual cycle in the Algerian Babors Mountains of North Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Roza Belkacem --- Laboratoire de Zoologie Appliquée et d’Écophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Algeria Abdelazize Franck Bougaham --- Laboratoire de Zoologie Appliquée et d’Écophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, Algeria Mohammed Gagaoua --- Université Clermont Auvergne, France Riadh Moulaï --- Laboratoire de Zoologie Appliquée et d’Écophysiologie Animale, Faculté des Sciences de la Nature et de la Vie, AlgeriaThis study showed from the analysis of 180 droppings of the Grey Wagtail Motacilla cinerea harvested during a period of one year from the Babors Mountains (Bejaia, Algeria) that insects formed the main part of the diet (85.9% of identified... -
Influence of retailers’ website system quality factors on online shopping in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yu-Ting Hung-Joubert --- Department of Marketing and Retail Management, Cindy Erdis --- Department of Marketing and Retail Management,Online shopping, which has grown significantly over the years, has become a popular form of shopping. To succeed, it is important that online retailers ensure that their shopping websites function well and adhere to all aspects of system quality. The... -
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... -
Spatial and temporal variation in the use of supplementary food in an obligate termite specialist, the bat-eared fox
Item type: Journal Article • Journal: African Zoology • Authors: Keafon R Jumbam --- Department of Zoology and Entomology, South Africa Stéphanie Périquet --- Department of Zoology and Entomology, South Africa Fredrik Dalerum --- Research Unit of Biodiversity, Spain Aliza le Roux --- Department of Zoology and Entomology, South AfricaThe bat-eared fox (Otocyon megalotis) is considered a termite specialist. However, studies of its diet have been limited to indirect methods, such as scat and stomach content analyses, resulting in intraspecific dietary variations due in part to methodological differences. Because... -
Relationships between commonly-used South African and international soil phosphorus extraction tests on pristine and cultivated soils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: VG White --- , South Africa AG Hardie --- , South Africa PJ Raath --- , South AfricaThe availability of soil phosphorus (P) norms for various plant available P tests is limited due to the cost of establishing these norms. Consequently a need exists for a means of converting between the values of commonly used South-African and... -
The subtropical–temperate transition along the east coast of South Africa shapes the thermal physiology of the truncated mangrove snail Cerithidea decollata (Gastropoda: Caenogastropoda, Potamididae)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AS Nonyukela --- Department of Zoology and Entomology, South Africa S Baldanzi --- South African Institute for Aquatic Biodiversity (SAIAB), South Africa LU Vumazonke --- Department of Zoology and Entomology, South AfricaThe east and south coasts of South Africa are characterised by a transition from subtropical to warm-temperate conditions. This transition in environmental temperatures may shape the physiological tolerance of ectothermic species inhabiting harsh environments, such as the intertidal zone. A... -
Potassium fractions and availability for chickpea (Cicer arietinum) in Vertisols of north-west Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Yohannes Misskire --- Debre Markos University, Ethiopia Tekalign Mamo --- Center for Soil and Fertilizer Research in Africa, Morocco Abi M Taddesse --- Department of Chemistry, Ethiopia Uri Yermiyahu --- Gilat Research Center, Agricultural Research Organization, IsraelFor a critical appraisal of the supplying power of potassium (K) and to predict bioavailable K, it is necessary to have knowledge on the fractions of K and evaluate soil test methods for plant nutrition. This research aimed to assess... -
Cliff roost site selection of the endangered Cape Vulture Gyps coprotheres in the Eastern Cape province, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Francis R Martens --- School of Natural Resource Management, George Campus, South Africa Morgan B Pfeiffer --- School of Natural Resource Management, George Campus, South Africa Colleen T Downs --- School of Life Sciences, South Africa Jan A Venter --- School of Natural Resource Management, George Campus, South AfricaRoost site preferences influence the spatial distribution of species. Large soaring birds often roost on cliffs and large structures, and thus are restricted to areas where safe take-offs and landings can occur. The cliff roosting preferences of the Cape Vulture... -
Healthcare workers’ perspectives on availability and accessibility of the prevention of mother-to-child-transmission programme in North West province, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Debbie Habedi --- Department of Health Studies, South AfricaBackground: Despite the availability of prevention of mother-to-child transmission (PMTCT) of human immunodeficiency virus (HIV) services, many factors and reasons prevent mothers from accessing these services. HIV prevalence is still high among South African women of reproductive age and mother-to-child-transmission... -
The effects of different gold mine tailings on growth, reproduction and avoidance-behaviour of earthworms
Item type: Journal Article • Journal: African Zoology • Authors: Bryan McGuirk --- Unit for Environmental Sciences and Management, South Africa Pieter Theron --- Unit for Environmental Sciences and Management, South Africa Mark Maboeta --- Unit for Environmental Sciences and Management, South AfricaThe mining industry plays a key role in the economic development of South Africa as one of the largest exporters of valuable resources, such as gold, platinum group metals and other metals and minerals. Unfortunately, mining produces large volumes of... -
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... -
Availability of adequately iodised salt at household level and its associated factors in Robe town, Bale Zone, South East Ethiopia: community-based cross-sectional study
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Nagasa Dida --- , Ethiopia Abiyot Legese --- , Ethiopia Abdurhim Aman --- , Ethiopia Bilkisa Muhamed --- , Ethiopia Teshome Damise --- , Ethiopia Tizita Birhanu --- , Ethiopia Sintayehu Hailu --- , Ethiopia Jiregna Darega --- , Ethiopia Bedasa Woldamichael --- , Ethiopia Eshetu Gadisa --- , EthiopiaBackground: Iodine is a micronutrient required by the body in small amounts to prevent iodine deficiency disorder (IDD), which is a global public health concern. There were no specific data at household level of adequately iodised salt in the study... -
Contesting the Subaltern Narrative: The Trickster Trope in the Kenyan Political Autobiography
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Stephen Mutie --- , KenyaThis article is a critique of the idea of subalternity 1 as it is used in the Kenyan political autobiographies of leaders who have reigned but never ruled. 2 The study is largely located within postcolonial theory, with particular emphasis... -
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... -
Restricted breeding habitat of the Critically Endangered White-winged Flufftail in Ethiopia and its conservation implications
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: RB Colyn --- , South Africa MA Howes-Whitecross --- , South Africa C Howes --- , South Africa HA Smit-Robinson --- , South AfricaThe White-winged Flufftail Sarothrura ayresi is considered the most threatened rallid species in Africa and has significant data deficiencies related to population dynamics, ecology and conservation priorities. The Ethiopian Highlands have until recently, been the only known breeding area for... -
Challenges in nest monitoring of White-winged Flufftails Sarothrura ayersi in Ethiopia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Melissa A Howes-Whitecross --- , South Africa Caroline Howes --- , South Africa Robin B Colyn --- , South Africa Hanneline A Smit-Robinson --- , South AfricaThe Critically Endangered White-winged Flufftail Sarothrura ayresi is only known to breed in the high-altitude wetlands of Ethiopia and South Africa. Several studies have documented the physical properties of nests in the well-known Berga wetland, Ethiopia; however, behavioural accounts 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. -
Inter-annual growth response of three Miombo tree species to climatic effects
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Francis Munalula --- , South Africa Thomas Seifert --- , South Africa Martina Meincken --- , South AfricaMiombo woodlands cover a large part of Southern Africa and contribute an important wood source for the local wood industry. The already observed and further predicted changes in climatic patterns can be expected to affect the wood properties of Miombo... -
Winter breeding season of Brown-throated Martins Riparia paludicola in Morocco
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Peter W Greig-Smith --- , United KingdomUniquely among birds of coastal North Africa, Brown-throated Martins breed during the northern winter. Over ten years, the amount of rainfall in the six months before the breeding season was positively correlated with numbers of nests in November, and negatively... -
Violence and HIV among female street sex workers in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Molefi Motsoeneng --- , South AfricaThis study explored South African female sex workers’ (FSWs) experiences of violence by their clients. Informants were eight FSWs aged from 25 to 30 years who obtained clients mainly from the streets and transportation depots of a major metropolitan city... -
Mobile phone addiction and cognitive failures in Chinese adolescents: The role of rumination and mindfulness
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bin Zhang --- , China Yu Peng --- , China Xin-sen Luo --- , China Hui-li Mao --- , China Yan-hong Luo --- , China Rong-ting Hu --- , China Si-cheng Xiong --- , ChinaWe aimed to explore the relationships between mobile phone addiction and cognitive failures in adolescents. Our study sample consisted of 816 adolescents from two high schools in China (female = 413; mean age = 15.86 years, SD = 0.80 years)... -
Intention to use High Speed Rail (HSR) in Ghana: A comparative study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Frank Ebo Sagoe --- , China Ying Teng --- , China Joy Say --- , China Lawrence Sagoe --- , Ghana Anita Sagoe --- , Ghana Muhammad Hashim Shah --- , ChinaThis exploratory study aimed to examine the intention of people to use High Speed Rail (HSR) in Ghana premised on convenience, traveling time reliability, and transport safety. Participants were a convenience sample of 957 public transportation users (female = 40.6%;... -
International investor sentiment and stock returns: Evidence from China
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Li Zi-long --- , China Wang Su-sheng --- , China Hu Ming-zhu --- , ChinaWith the accelerated opening up of China’s financial sector, international investors have increasingly become a key investment group. To describe the international investor sentiment towards Chinese stock assets, we select sentiment proxies from the transaction data in the China A-share... -
Daily hassles and depressive symptoms among COVID-19 home quarantined Chinese university students: The moderating effects of negative cognitive styles
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Junyi Wang --- , China Yinglu Zhou --- , USA Jinhong Ding --- , China Jing Xiao --- , ChinaThe current study examined the potential moderating effects of negative cognitive styles on the relationship between daily hassles and depressive symptoms among COVID-19 home quarantined university students. A total of 686 university students ranging in age from 16 to 23... -
Temporal partitioning of diurnal bird and nocturnal small mammal visitors to a winter flowering endemic succulent
Item type: Journal Article • Journal: African Zoology • Authors: Stephanie L Payne --- , South Africa Craig T Symes --- , South Africa Ed TF Witkowski --- , South AfricaFloral nectar is an important attractant and reward for visitors, and is often produced in synchrony with peak activity of pollinators. Aloe peglerae flowers in winter, and previous studies have shown that it is pollinated primarily by diurnal generalist birds,... -
Influence of ego resilience on school adaptability among primary school lower-grade children
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ruiqian Li --- , China Xia Wu --- , China Zeming Jin --- , China Hui Zhou --- , China Yuan Meng --- , ChinaWe explored the association between primary school children’s ego resilience, failure tolerance, and adaptability in a Chinese school setting. The participants were 231 primary school children (female = 45.9%; from two-parent families = 81%, from single parent families = 19%;... -
Supply chain design dimensions for supply chain resilience in the South African fast-moving consumer goods retail industry
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Nkechi D. Neboh --- , South Africa Thokozani P. Mbhele --- , South AfricaThis paper intends to empirically establish the supply chain design dimensions that influence the ability of retailers in South Africa’s fast-moving consumer goods (FMCG) industry to perform effectively with resilience. It further examines the extent of supply chain design dimensions... -
Reproduction, sexual dimorphism and predation in Mochlus sundevallii in southern Africa (Reptilia: Sauria, Scincidae)
Item type: Journal Article • Journal: African Zoology • Authors: Joaquín Verdú Ricoy --- , South Africa Phomolo Mashinini --- , South Africa Jacqueline Goedhals --- , South Africa Neil Heideman --- , South AfricaThe skink Mochlus sundevallii is widespread throughout the African continent, but no detailed research on its ecology, reproduction and sexual dimorphism patterns has been performed yet. Here we address phenotypic and ecological data of M. sundevallii from the southernmost part... -
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... -
Importance of detailed soil surveys for Conservation Agriculture
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: JL Schoeman --- , E Verster --- , HB Booyens --- , MJ du Plessis --- ,This paper explores the role that detailed soil surveys can play in Conservation Agriculture (CA). While it is widely acknowledged that CA practices have to be adapted to local conditions, it appears as if in-field physical soil and hydrological properties,... -
Increasing resilience to the SARS-CoV-2 virus and other health threats in food-insecure communities
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Karen Morris --- , South Africa Thandi Puoane --- , South AfricaThe health of the majority of South Africa’s population is seriously threatened by hunger and micronutrient deficiency, with impaired immune response a real threat, which the current SARSCoV-2 virus pandemic has highlighted. Traditional household food-processing techniques can, amongst other advantages,... -
Early growth and development of maize on sandy soils fertilised with zinc sources at different application rates
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: LF van Straaten --- , South Africa CF Wessels --- , South Africa GM Ceronio --- , South Africa CC du Preez --- , South AfricaThe grain yield and quality of maize is often negatively influenced by zinc (Zn) deficiencies during early growth and development. Application of Zn to soil is therefore a necessity, especially when it is sandy. Glasshouse experiments were carried out to... -
Ethnomedicinal use of pythons by traditional medicine practitioners in Ghana
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Maxwell K Boakye --- Ho Technical University, Ghana Edward D Wiafe --- University of Environment and Sustainable Development, Ghana Meyir Y Ziekah --- Forestry Commission (Wildlife Division), GhanaThe use of Python spp. for traditional medicine purposes has been recorded, but there is a dearth of information on the versatility of body parts used for the treatment of human ailments. This study aimed to determine the medicinal knowledge... -
Giving condoms to school children: educators’ views on making condoms available in South African schools
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Leah D Junck --- , South Africa Gavin George --- , South AfricaOne of the policy goals of the South African Department of Basic Education’s National Policy on HIV, STIs and TB of 2017 is to reduce the incidence of HIV and pregnancy among learners. This is expected to be achieved by... -
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... -
The triple whorl for industrial parks entrepreneurial ecosystem development: Unleashing the integrated role on small ventures growth
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abdella Kosa Chebo --- Kotebe Metropolitan University, Ethiopia Tesfaye Hailu Gebrekidan --- Kotebe Metropolitan University, EthiopiaDeveloping countries need industrial parks (IPs) to modernize their industries and technologies as well as to enable the growth of ventures by combining the entrepreneurial elements in the entrepreneurial ecosystem. Industrial parks will integrate domestic and foreign investment through public-private... -
Influence of cropping sequences on labile carbon and phosphorus fractions in a wheat-based conservation agriculture system
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: NZ Sosibo --- , South Africa E Dube --- , South Africa P Muchaonyerwa --- , South Africa TJ Tsilo --- , South AfricaWhile conservation agriculture (CA) has largely been successful in many areas, some reports suggest that certain farmers have not realised the benefits they had hoped for, especially in Africa. The benefits of CA could depend on the cropping sequences involved... -
A guiding framework for enhancing database security in state-owned universities in Zimbabwe
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Zorodzai Magura --- Midlands State University, Zimbabwe Tinashe Gwendolyn Zhou --- Midlands State University, Zimbabwe Samuel Musungwini --- Midlands State University, ZimbabweThis study sought to design a framework to enhance database security in state-owned universities. Database security has been a cause for concern for state-owned universities following many reported cases of state-owned universities that were repeatedly hacked locally and the fact... -
Product-harm crisis and perceived betrayal: The moderating effect of cognitive bias
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Li Yalin --- Suqian University, China Zhao Min --- Hubei University of Economics, ChinaThis study utilised an experimental design to examine the moderating effect of cognitive biases (availability of information and herd effect) on the relationship between product-harm crisis and perceived betrayal. In a series of three studies involving 596 young adults (college... -
Beyond HbA1c cardiovascular protection in type 2 diabetes mellitus
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: UG Adamu --- University of the Witwatersrand and the Charlotte Maxeke Johannesburg Academic Hospital, South Africa D Mpanya --- University of the Witwatersrand and the Charlotte Maxeke Johannesburg Academic Hospital, South Africa A Patel --- University of the Witwatersrand and the Charlotte Maxeke Johannesburg Academic Hospital, South Africa N Tsabedze --- University of the Witwatersrand and the Charlotte Maxeke Johannesburg Academic Hospital, South AfricaCardiovascular disease is a significant cause of morbidity and mortality for individuals living with type 2 diabetes mellitus (T2DM). These patients have double the risk of atherosclerotic cardiovascular disease (ASCVD) compared with the general population. Furthermore, approximately a third of... -
Food insecurity, HIV/AIDS pandemic and sexual behaviour of female commercial sex workers in Lagos metropolis, Nigeria
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: John Lekan Oyefara --- Obafemi Awolowo University, NigeriaThis study examined the role of hunger and food insecurity in the sexual behaviour of female commercial sex workers in Lagos metropolis, Nigeria within the context of HIV/AIDS. In addition, the study investigated the prevalence of sexually transmitted infections (STIs)... -
The role of HIV/AIDS committees in effective workplace governance of HIV/AIDS in South African small and medium-sized enterprises (SMEs)
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Jocelyn R Vass --- Human Science Research Council,The primary purpose of this study was to assess the role, status and scope of workplace HIV/AIDS committees as a means of effective workplace governance of the HIV/AIDS impact, and their role in extending social protective HIV/AIDS-related rights to employees... -
An enumeration of orphans and analysis of the problems and wishes of orphans: the case of Kariba, Zimbabwe
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Jaqualine F Mangoma --- University of Zimbabwe Lake Kariba Research Station, Moses J Chimbari --- University of Botswana's Harry Oppenheimer Okavanga Research Centre, Elmon Dhlomo --- University of Zimbabwe Lake Kariba Research Station,In southern Africa, HIV and AIDS accounts for the largest proportion of orphans. Very often the orphaned children become destitute, and young girls in particular become more vulnerable to HIV and AIDS as they try to fend for the rest... -
HIV-related needs for safety among male-to-female transsexuals (mak nyah) in Malaysia
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Yik Koon Teh --- Faculty of Human and Social Development, University Utara, MalaysiaThis research, commissioned by the Malaysian AIDS Council in 2007, is qualitative and descriptive in nature. In depth face-to-face interviews were carried out with 15 mak nyah respondents from five major towns. The interviews were guided by an interview schedule... -
‘They bring AIDS to us and say we give it to them’: Socio-structural context of female sex workers' vulnerability to HIV infection in Ibadan Nigeria
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Jennifer Muñoz --- New York City Department of Health and Mental Hygiene, Adebola A Adedimeji --- Institute of Public Health Sciences, Yeshiva University, Olayemi Alawode [B0003]The aim of the study was to examine and describe the individual and structural-environmental factors that shape the vulnerability of brothel-based female sex workers (FSWs) in Ibadan, southwest Nigeria to HIV infection. A descriptive qualitative research design was utilised to... -
A comparison in HIV-associated stigma among healthcare workers in urban and rural Gujarat
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Kartavya J Vyas --- University of California, Gulab R Patel --- Government Medical College, Deepak Shukla --- Surat New Civil Hospital ART Therapy Center, William C Mathews --- University of Southern California (USC),The present study measures levels of stigma within health care settings in urban and rural Gujarat, in an attempt to understand how this may have contributed to the state's increasing HIV incidence. Two sites were studied: a rural hospital in... -
Adoption of formal HIV and AIDS workplace policies: An analysis of industry/sector variations
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Rhoda Bakuwa --- Human Resources Management, Malawi Polytechnic,Addressing HIV and AIDS is the responsibility of many stakeholders including private sector companies. However, increasing evidence reveals that the majority of companies around the world are yet to acknowledge and respond to HIV and AIDS as a workplace issue... -
Concurrent sexual and substance-use risk behaviours among female sex workers in Kenya's Coast Province: Findings from a behavioural monitoring survey
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Simon-Pierre Tegang --- People's Friendship University of Moscow, Russia S. Abdallah G. Emukule S. Luchters N. Kingola M. Barasa S. Mucheke P. MwarogoWhile many studies confirm the association between HIV, alcohol and injecting drug use by female sex workers (FSWs), little is known about their use of marijuana, khat and other substances and the association of these substances with HIV, risky sexual... -
Psychosocial and behavioural correlates of attitudes towards antiretroviral therapy (ART) in a sample of South African mineworkers
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Kaymarlin Govender --- School of Psychology, University of KwaZulu-Natal, Olagoke Akintola --- School of Psychology, University of KwaZulu-Natal, Gavin George --- Health Economics and HIV/AIDS Research Division (HEARD), University of KwaZulu-Natal, Inge Petersen --- School of Psychology, University of KwaZulu-Natal, Anil Bhagwanjee --- School of Psychology, University of KwaZulu-Natal, Candice Reardon --- Health Economics and HIV/AIDS Research Division (HEARD), University of KwaZulu-Natal,Despite being one of the worst affected sectors in South Africa, the mining sector has proven to be one of the most active in intervention efforts in the fight against HIV and AIDS (Ellis, 2007). Owing to low uptake rates... -
HIV/AIDS stigma at the workplace: Exploratory findings from Pakistan
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Sajid Bashir --- Human Resource Management, Mohammad Ali Jinnah University, PakistanPeople living with HIV/AIDS (PLHA) are stigmatised socially. They are devalued and considered like outcasts by having lesser opportunities for education, treatment and housing, and in an organisational context they get reduced opportunities of selection, promotion and income. The phenomena... -
Social impact of HIV/AIDS on clients attending a teaching hospital in Southern Nigeria
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Ofonime E. Johnson [d125e19]People living with human immunodeficiency virus and acquired immune deficiency syndrome (PLWHA) face numerous social challenges. The objectives of this study were to assess the level of self-disclosure of status by PLWHA, to describe the level and patterns of stigma... -
Rewriting the narrative of the epidemiology of HIV in sub-Saharan Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Stefan Baral [d166e18] Nancy Phaswana-MafuyaThe fight against HIV remains complicated with contracting donor resources and high burden of HIV among reproductive age adults still often limiting independent economic development. In the widespread HIV epidemics of sub-Saharan Africa (SSA), it is proposed that key populations... -
A decade of research involving men who have sex with men in sub-Saharan Africa: Current knowledge and future directions
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Nicholas Muraguri Marleen Temmerman Scott Geibel [d199e38]It has been just over 10 years since the first large behavioral survey of men who have sex with men (MSM) was implemented in Senegal in 2001. Since then, behavioral and/or HIV prevalence surveys have been conducted in over 14... -
Demand for programs for key populations in Africa from countries receiving international donor assistance
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Owen Ryan [d181e18] John Macom Michelle Moses-EisensteinThere has been increasing attention in recent years to the HIV prevention, treatment, and care needs of key populations in Africa, in particular men who have sex with men (MSM), injection drug users (IDU), and female sex workers (FSW). While... -
Rwandan young people's perceptions on sexuality and relationships: Results from a qualitative study using the ‘mailbox technique’
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Kristien Michielsen --- , , Belgium Pieter Remes --- , Burkina Faso John Rugabo --- , Rwanda Ronan Van Rossem --- , , Belgium Marleen Temmerman --- , BelgiumThis study aimed to gain more insight into young Rwandans’ perceptions on sex and relationships, which is essential for formulating effective sexual and reproductive health (SRH) promotion interventions. Using a ‘mailbox technique’, this paper studies the spontaneous thoughts of Rwandan... -
Interplay between economic empowerment and sexual behaviour and practices of migrant workers within the context of HIV and AIDS in the Lesotho textile industry
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Pius Tangwe Tanga --- , , South Africa Magdaline Nji Tangwe --- , , South AfricaEconomic empowerment brings with it a wide range of consequences, both positive and negative. The objective of this paper was to examine the relationship between economic empowerment and the sexual behaviour and practices of migrant workers within the context of... -
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... -
‘Public enemy no. 1’: Tobacco industry funding for the AIDS response
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Julia Smith --- , , Canada Sheryl Thompson --- , , Canada Kelley Lee --- , , CanadaThis article analyzes the history of tobacco industry funding for the AIDS response – a largely ignored aspect of private donor involvement. Primary documents from the Legacy Tobacco Documents Library and AIDS organizations are analyzed, alongside existing literature on the... -
Third-world realities in a first-world setting: A study of the HIV/AIDS-related conditions and risk behaviors of sex trade workers in Saskatoon, Saskatchewan, Canada
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Yelena Bird --- at the , Canada Mark Lemstra --- at the , Canada Marla Rogers --- at the , Canada John Moraros --- at the , CanadaThe transmission and prevalence of Human Immunodeficiency Virus (HIV) among those employed as sex trade workers (STW) is a major public health concern. The present study describes the self-reported responses of 340 STW, at-risk for contracting HIV. The participants were... -
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... -
A workplace intervention program and the increase in HIV knowledge, perceived accessibility and use of condoms among young factory workers in Thailand
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Aphichat Chamratrithirong --- , Thailand Kathleen Ford --- , USA Sureeporn Punpuing --- , Thailand Pramote Prasartkul --- , ThailandVulnerability to Human Immunodeficiency Virus (HIV) infection among factory workers is a global problem. This study investigated the effectiveness of an intervention to increase AIDS knowledge, perceived accessibility to condoms and condom use among young factory workers in Thailand. The... -
Spectrum of female commercial sex work in Bangui, Central African Republic
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Jean De Dieu Longo --- , Central African Republic Marcel Mbéko Simaléko --- , Central African Republic Richard Ngbale --- , Central African Republic Gérard Grésenguet --- , Central African Republic Gilles Brücker --- , , France Laurent Bélec --- , , FranceClassification of professional and non-professional female sex workers (FSWs) into different categories, never previously reported in the Central African Republic (CAR), may be useful to assess the dynamics of the human immunodeficiency virus (HIV) epidemic, design operational intervention programmes to... -
Frequency of tail autotomy in the African Olive Grass Snake, Psammophis ‘phillipsii’ from three habitats in southern Nigeria
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: GodfreyC. Akani --- Rivers State University of Science and Technology, Nigeria Luca Luiselli --- F.I.Z.V. (Ecology) and Centre of Environmental Studies “Demetra”, Italy SundayM. Wariboko --- Rivers State University of Science and Technology, Nigeria Linda Ude --- F.I.Z.V. (Ecology) and Centre of Environmental Studies “Demetra”, Italy FrancescoM. Angelici --- F.I.Z.V. (Ecology) and Centre of Environmental Studies “Demetra”, Italy -
Conspecific pheromone trailing and pheromone trail longevity in the African Colubrid Boaedon fuliginosus
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: AnthonyJ. Wilmes --- Saint Louis University, USA JustinL. Rheubert --- Saint Louis University, USA DavidL. Gruenewald --- Saint Louis University, USA Tharun Kotaru --- Parkway South High School, USA RobertD. Aldridge --- Saint Louis University, USAIn snakes, pheromone trailing is a strategy used for long-distance location of conspecifics. The two existing hypotheses for this behaviour are: a) to locate individuals for reproductive purposes; and b) to form aggregations during the winter/dry season. Pheromone trailing for... -
Molluscicidal and cercaricidal effects of Persicaria senegalensis on Radix natalensis snails and their echinostome-shed cercariae in South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MC Mathole --- Sefako Makgatho Health Sciences University, South Africa PH King --- Sefako Makgatho Health Sciences University, South AfricaPersicaria senegalensis is an aquatic plant of the Family Polygonaceae with apparent molluscicidal properties. The research evaluated the molluscicidal effect of P. senegalensis on the freshwater snail Radix natalensis, and its echinostome-shed cercariae. Various compounds from Persicaria senegalensis were extracted... -
Measuring corporate failure risk: Does long short-term memory perform better in all markets?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Hyeongjun Kim --- Yeungnam University, Korea Hoon Cho --- Korea Advanced Institute of Science and Technology, Korea Doojin Ryu --- Sungkyunkwan University, KoreaRecently, various corporate failure prediction models that use machine learning techniques have received considerable attention. In particular, using a sequence of a company's historical information, rather than just the most recent information, yields better predictive performance by adopting recurrent neural... -
An investigation into the normal tax implications of fractional share rights in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Christoff Botha --- Stellenbosch University, South Africa Cecileen Greeff --- Stellenbosch University, South AfricaA recent development in the financial service industry is the introduction of the fractional share right that allows a retail investor to invest in a fraction of a listed equity share. Fractional share right is not defined in the Income... -
A natural terminal Pleistocene decline of African penguin populations enhances their anthropogenic extinction risk
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: H Beckett --- Stellenbosch University, South Africa OK Hansen --- Stellenbosch University, South Africa S von der Heyden --- Stellenbosch University, South Africa GF Midgley --- Stellenbosch University, South AfricaThe African penguin Spheniscus demersus, endemic to the coast of southern Africa, has suffered anthropogenic-driven population declines since 1900 and is now listed as Endangered on the IUCN Red List. Conservation efforts currently underway are informed by the species’ adaptive... -
Variations and extensions of the Gaussian concentration inequality, Part I
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Daniel J. Fresen --- University of Pretoria, South AfricaThe classical Gaussian concentration inequality for Lipschitz functions is adapted to a setting where the classical assumptions (i.e. Lipschitz and Gaussian) are not met. The theory is more direct than much of the existing theory designed to handle related generalizations... -
Leveraging defence into offence: Enhancing absolute and risk-adjusted equity returns with tail risk management overlays
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Bruno Schwalbach --- University of the Witwatersrand, South Africa Christo Auret --- University of the Witwatersrand, South AfricaResearch has shown that tail risk hedging using explicit option purchases and trend-following effectively mitigate equity tail risk. This paper demonstrates that these defensive qualities can be leveraged into offence: overlaying a two-pronged tail risk management strategy that employs both... -
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... -
Change in the prevalence of extra-uterine growth restriction in very low birthweight infants, following the introduction of a written nutrition protocol, in a tertiary neonatal unit
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: LND Mosidi --- University of Pretoria, A van Niekerk --- Steve Biko Academic Hospital, South Africa M Coetzee --- University of Pretoria, -
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... -
Contested landscapes: fragments and afterlives of the colonial rail in Tanzania
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Samwel Moses Ntapanta --- University of Bayreuth, GermanyThis article traces the fragments and afterlife of the colonial rail as a material object in Tanzania. The rail was a tool for exploitation and proper control of the colony. The rails changed the land. The land was shaped and... -
Molluscicidal effects of Persicaria senegalensis on terrestrial snails Cornu aspersum in South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MC Mathole --- Sefako Makgatho Health Sciences University, South Africa PH King --- Sefako Makgatho Health Sciences University, South AfricaCornu aspersum is an invasive terrestrial snail pest of the family Helicidae. In South Africa, where the snail causes significant crop losses in viticulture areas, synthetic molluscicides are used to control them. However, the latter negatively affects both those who... -
Why traditional diets are more relevant than ever today
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Karen Cheryl Morris --- Naturopath, South Africa Thandi Puoane --- University of the Western Cape, SAThe current epidemic of obesity and its co-morbidities reflect an urgent need to reform our modern eating patterns. This commentary proposes the reclamation of our traditional diets of the precolonial, preindustrial era, which are argued to be more sustainable, in... -
Re-storying Nature: An Eco-critical Reading of Parkes’s Tail of the Blue Bird
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Samuel Kwesi Nkansah --- University of Cape Coast, GhanaThis paper applies African eco-criticism to analyse human-nature relationships in Nii Ayikwei Parkes’s Tail of the Blue Bird. From the discussions, vivid depictions of rivers, forests, animals and spirits showcase profound connections through which nature shapes cultural identities. Specifically, Parkes’s... -
Opinion divergence, investor sentiment, and stock liquidity: Evidence from social media
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Gaoshan Wang --- Shandong University of Finance and Economics, China Mingyue Chen --- Shandong University of Finance and Economics, China Xiaomin Wang --- Shandong University of Finance and Economics, China Yilin Dong --- Shandong University of Finance and Economics, China Zhiyi Wang --- Shandong University of Finance and Economics, ChinaThis paper developed a mediating effect model of retail opinion divergence, investor sentiment, and stock liquidity to investigate how investor comments and bullish-bearish-polling activities on social media affect investors’ attitudes and behaviours, thus, the stock market. The paper first used... -
Role of subregional cooperation towards environmental conservation
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Robita Lee Robinson --- Universiti Malaya, Malaysia Angathevar Baskaran --- Universiti Malaya, Malaysia Sonia Kumari Selvarajan --- Universiti Malaya, MalaysiaThis study examines the role of subregional cooperation in advancing environmental conservation within the ASEAN framework, focusing specifically on the Indonesia-Malaysia-Thailand Growth Triangle (IMT-GT) and its institutional body, the Centre for IMT-GT Subregional Cooperation (CIMT). Through qualitative analysis based on... -
Influence of water physico-chemical properties and vegetation type on the distribution of schistosomiasis intermediate host snails in Nelson Mandela Bay, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PS Campbell --- Nelson Mandela University, South Africa JB Adams --- Institute for Coastal and Marine Research and Department of Botany, Nelson Mandela University, South Africa M Thwala --- Nelson Mandela University, South Africa O Oyedele --- Nelson Mandela University, South Africa PE Melariri --- Nelson Mandela University, South AfricaSchistosomiasis is an infectious water-borne disease transmitted by Schistosoma flatworms. Humans become infected through skin penetration following exposure to water contaminated with schistosome cercariae. This study assessed the physico-chemical properties of the water bodies, vegetation type, distribution and habitat presence... -
Enhancing global equity returns with trend-following and tail risk hedging overlays
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Bruno Schwalbach --- University of the Witwatersrand Johannesburg, South Africa Christo Auret --- University of the Witwatersrand Johannesburg, South AfricaThis paper demonstrates that overlaying a combination of trend-following and tail risk hedging strategies onto a global equity portfolio significantly enhances performance. These strategies are complementary. Tail risk hedging mitigates equity risk effectively during sudden market crashes, while trend-following supports... -
8. “Fish, chicken, lean meat and eggs can be eaten daily”: a food-based dietary guideline for South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Schonfeldt HC [cor1] Pretorius B --- Research Consultant Institute for Food, Nutrition and Well-being, University of Pretoria, Hall N --- Research Consultant Institute for Food, Nutrition and Well-being, University of Pretoria,Food products from animals provide a variety of macro- and micronutrients. Animal sources of food, such as fish, chicken, meat and eggs, constitute high-quantity and high-quality protein, as they contain essential amino acids in the right proportions. In South Africa,... -
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 -
Physico-chemical variables influencing the distribution and abundance of macroinvertebrates in salt marsh habitats of the Berg River Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: NT Mngomezulu --- Department of Plant Sciences, University of the Free State, South Africa N Peer --- Department of Botany and Zoology, Stellenbosch University, South Africa A Rajkaran --- Department of Biodiversity and Conservation Biology, University of the Western Cape, South Africa DA Veldkornet --- Department of Plant Sciences, University of the Free State, South AfricaMacroinvertebrates such as snails and crabs influence aspects of salt marsh structure and function through herbivory and bioturbation. However, the effects of physico-chemical variables and habitat composition on their abundance and distribution remain underexplored. This study examined the influence of...
