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The Role of Genotype-Environment Interaction in Adaptability
Item type: Journal Article • Journal: South African Forestry Journal • Authors: P.J. Robbertse --- D.R. De Wet Forestry Research Centre,The over sites ratio of clonal (familial) genotype-environment interaction (GEI) variance to mean trial variance determines the regression that is used to predict adaptability. Genotypic and environmental variances do not contribute significantly to this regression. Genotype x environment interaction effects... -
Genetic Improvement of Timber Yield and Wood Quality in Eucalyptus Grandis (Hill) Maiden
Item type: Journal Article • Journal: South African Forestry Journal • Authors: G. van Wyk --- Division of Forest Science and Technology,Results of a partial diallel progeny test of Eucalyptus grandis assessed at ages 5, 36, 60 and 105 months are presented. Large genetic variations among full-sib families were found for all traits studied, e.g. the mean tree volume per family... -
Timber Harvesting in South Africa—Past, Present, Future
Item type: Journal Article • Journal: South African Forestry Journal • Authors: P.W. Warkotsch --- Faculty of Forestry,After a short description of South African timber harvesting practices in the past, the present situation in terms of machine population and the current harvesting and extraction methods is discussed in more detail. -
Pine Provenance Research in South Africa: Promises and Problems
Item type: Journal Article • Journal: South African Forestry Journal • Authors: E.R. Falkenhagen --- ,Provenance research really started with the work of H.L. Duhamel Du Monceau on Pinus sylvestris in the eighteenth century. In South Africa the first properly designed provenance trials were established between 1934 and 1936 with the testing of five races... -
Cable Yarding in Southern Africa: An Analysis of its Productivity and Possible Procedure for its Improvement
Item type: Journal Article • Journal: South African Forestry Journal • Authors: R.M. de Laborde --- Institute for Commercial Forestry Research, South AfricaThe demand for timber in southern Africa is increasing and this is resulting in the afforestation of areas which require cable yarding when harvested. The demand for cable yarders, essentially fixed skylines, is therefore increasing rapidly. Stress is being placed... -
The Genetic Control of Ring Width, Wood Density and Tracheid Length in the Juvenile Core of Pinus patula
Item type: Journal Article • Journal: South African Forestry Journal • Authors: R.D. Barnes --- Forest Research Centre, Zimbabwe J.S. Birks --- , United Kingdom G. Battle --- Forest Research Centre, Zimbabwe L.J. Mullin --- Forest Research Centre, ZimbabweControlled crosses were made between six Pinus patula Schiede & Deppe plus trees selected in plantations. Six full-sib families and two commercial checks were planted in randomised complete block thrice-replicated progeny tests at two sites in Zimbabwe. At 7,5 years,... -
The Impact of Harvesting Operations on Timber Quality: Causes and Remedies
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Walter Warkotsch --- Forest Engineering Technology, Faculty of Forestry,Forests are devastated daily to satisfy the world's timber demands. Tropical forests throughout the world are exploited and endangered. An obligation therefore exists to avoid damage to timber and minimise waste wherever possible. -
A preliminary investigation of woody plant increase in the western Transvaal and implications for veld assessment
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: MargaretH. Friedel --- Division of Wildlife and Rangelands Research, AustraliaThe relationships between tree density and indices of pasture and soil condition were examined in Western Transvaal grasslands where Acacia karroo had increased following disturbance. The correlation between tree density and pasture condition was not linear, indicating a threshold in... -
The effect of continuous and rotational grazing of sourveld on the selection of plant fractions by simmentaler heifers
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: U.P. Kreuter --- Department of Grassland Science, N.M. Tainton --- Department of Grassland Science,In a grazing trial conducted at the Kokstad Agricultural Research Station, the selection of six plant fractions by cattle grazing sourveld was investigated. Relations between the selectivity of the cattle and the dry matter digestibility (DMD) and crude protein (CP)... -
Die invloed van stikstoftoediening, saaidigtheid en metode van vermenging van komponente op mengsels van Trifolium vesiculosum en Lolium multiflorum 1
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: M. van den Berg --- , Republiek van Suid‐Afrika A.J. Kruger --- , Republiek van Suid‐Afrika V.D. Wassermann --- , Republiek van Suid‐AfrikaThe influence of nitrogen application, seeding rate and methods of mixing of components on mixtures of Trifolium vesiculosum and Lolium multiflorum. The interaction between Trifolium vesiculosum cv. Amclo and Lolium multiflorum cv. Midmar in mixtures was measured in an irrigated... -
A preliminary investigation of area‐selective grazing in the Southern Tall Grassveld of Natal
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: G.P. Hatch --- Department of Grassland Science, Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaThe consequences of area‐selective grazing by cattle under three stocking rates and at two sites in the Southern Tall Grassveld of Natal were investigated. Soil compaction was found to significantly distinguish area‐selected patches from non‐selected veld (P≤0.01), while non‐significant differences... -
Causes, adverse effects and control of soil compaction
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. T.P. Bennie --- Department of Soil Science, G.N. Krynauw --- Department of Agriculture,The causes, adverse effects and control of soil compaction, with special reference to Southern African conditions, are reviewed. The main causes for soil compaction are the well-rounded and -sorted fine sand fraction of the aeolian sandy soils combined with compression... -
The effect of particle-size distribution on the suitability of sandy soils for sports fields
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D.J. Nel --- Department of Soil Science, Republic of South AfricaThe compaction of the topsoil layer of sports fields can modify soil properties such as permeability, resistance to root penetration, aeration and water-holding capacity. The feasibility of predicting these properties from particle size distribution parameters of sandy soils was investigated... -
A field evaluation of the differential tolerance to soil acidity of forty-eight South African maize cultivars
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Ana Paula Mendes --- Summer grain Sub-Centre, M. P.W. Farina --- Summer grain Sub-Centre, P. Channon --- Summer grain Sub-Centre, Marie Smith --- Biometry Section, Directorate of Biometrie and Datametric Services,A field experiment was conducted on a Normandien clay loam (Plinthic Paleudult) to compare the acid tolerance of 48 commercially grown maize (Zea mays L.) cultivars. Cultivars were compared in terms of grain yield, plant height and leaf Al content... -
The nature of genotype × environment interactions for yield in wheat extension trials in the Winter Rainfall Region
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.F. Marais --- ,The necessity to subdivide the wheat producing soils of the Winter Rainfall Region for extension purposes, was considered. Use was made of correlations, interaction variance components and pattern analysis procedures to reflect on the possible existence of sub-environments with different... -
Genotipe × omgewingsinteraksie by winterkoring in die Oranje-Vrystaat
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C.S. van Deventer --- Departement Genetika, Republiek van Suid-AfrikaGesamentlike variansieanalises is uitgevoer op opbrengs, hektolitermassa en proteïeninhoud data verkry uit koring-evaluasieproewe wat in die Oranje-Vrystaat gedoen is. Die gebalanseerde datastelle het sewe winterkoringgenotipes, ingesluit wat op elk van 14 lokaliteite oor 'n periode van drie jaar geplant was... -
On the concept of leaching requirement for salinity control
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H.M. du Plessis --- ,The concept of irrigating in excess of plant water requirement to restrict soil profile salinity to acceptable limits is well established. The tolerable upper salinity limit is used to calculate the leaching requirement. This upper limit is determined mainly by... -
Season and phosphorus age effects on the relationship between maize yield and phosphorus soil test on a highly weathered soil
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. P.W. Farina --- Summer Grain Sub-Centre, Republic of South Africa P. Channon --- Summer Grain Sub-Centre, Republic of South AfricaThis paper discusses data obtained from a long-term N, P, K field experiment with maize (Zea mays L.) on a Normandien clay loam (Plinthic Paleudult) near Newcastle, Natal. After eight seasons plots were split, sub-plots being allowed either to rundown... -
Genotipe—omgewingsinteraksie by sojabone
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T. E.M. Odendaal --- , Republiek van Suid-Afrika C.S. van Deventer --- Departement Genetika, Republiek van Suid-Afrika'n Gekombineerde variansie-ontleding is uitgevoer op die saadopbrengste en proteïenpersentasies van die saad van 14 sojaboonkultivars wat op nege verskillende lokaliteite oor 3 jaar geëvalueer is. Variansiekomponente geassosieer met elke bron van variasie is beraam. Die verkreë resultate en implikasies... -
Changes in a Doveton clay loam after 12 years of direct-drill maize production
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.B. Mallett --- , Republic of South Africa P.M. Lang --- , Republic of South Africa A.J. Arathoon --- , Republic of South AfricaAfter 8 years of direct-drill maize production at Cedara on a Hutton/Doveton clay loam (Typic Plinthustult) it was found that the top 120-mm layer had become somewhat denser and that organic carbon levels in the top 20 mm were higher... -
Comparison of cotton (Gossypium hirsutum L.) yield and fibre properties over locations and seasons
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H.G. van Heerden --- , Republic of South Africa W.H. van Staden --- , Republic of South Africa G. Vink --- , Republic of South Africa H. van Ark --- , Republic of South AfricaThe cotton breeding program in the Republic of South Africa is conducted at the localities Loskop, Upington and Vaalharts. Preliminary results from breeding trials indicated that a finer but more mature fibre could be produced at Vaalharts as compared to... -
The influence of different P, NH+ 4 and NO− 3 supply levels on the yield and P and Ca relationships in wheat
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.S. Claassens --- Department Soil Science and Plant Nutrition, Republic of South Africa W.J. Fölscher --- Department Soil Science and Plant Nutrition, Republic of South AfricaIn a water culture experiment with wheat, the influence on growth and nutrient uptake of varying the P supply from 0,02 to 5 mmol H2PO4 − dm−3 and the NH4 +:NO3 − ratio from 0:15 to 12:3, with a Hoagland... -
Role of temperature in the activity of acetanilide herbicides on three Phaseolus taxa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E. van Rensburgd --- , Republic of South Africa L.P. van Dyk --- , Republic of South Africa G.H. de Swardt --- , Republic of South AfricaAlachlor [2-chloro-N-(2,6 diethylphenyl)-N-(methoxymethyl) acetamide], metolachlor [2-chloro-N-(2-ethyl-6- methylphenyl)-N-(2-methoxy-1 -methylethyl) acetamide] and acetochlor [2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6- methyl-phenyl) acetamide], members of the chloroacetanilide herbicides, are used pre-emergence to control grasses and some broadleaf weeds. Two concentrations, i.e. 0,5 and 2 mg ai kg−1 of the... -
Die invloed van kalsium en magnesium op die groei van tabakplante en opname van kalium, kalsium en magnesium in waterkultuur
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C.J. Steenkamp --- , Republiek van Suid-Afrika J.A. de Bruyn --- Departement Plantkunde, Republiek van Suid-Afrika A.A. Theron --- Departement Grond- en Waterboukunde, Republiek van Suid-Afrika'n Toename in the Ca-konsentrasie van 'n voedingsoplossing het 'n verhoging in biomassa tot gevolg gehad asook 'n verhoogde opname van K en Ca deur tabakplante. Die opname van Mg aan die anderkant word onderdruk deur toenemende konsentrasies van Ca... -
Barley cultivar identification by acid Polyacrylamide gel electrophoresis of hordein proteins
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O.T. de Villiers --- Department of Agronomy and Pastures, Republic of South Africa E.W. Laubscher --- Department of Agronomy and Pastures, Republic of South AfricaMethods are described for the extraction and separation of hordein proteins of barley by acid Polyacrylamide gel electrophoresis as a means of identifying different cultivars. Experimental conditions for the extraction of the proteins from single kernels and from corresponding flour... -
Recommended modifications to the spectrophotometric determination of molybdenum as Fe[MoO(SCN)5]
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: F. Bessinger --- , Republic of South AfricaThe classical method for the determination of molybdenum in plant material by the formation of an iron-molybdenum- thiocyanate complex, which is extracted with alcohols, ethers and carbon tetrachloride from a dilute acid solution, is basically very suitable for the detection... -
Application of the calcium-calcichrome colour reaction to the spectrophotometric determination of calcium in plant material
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Xing-Chu Qiu --- , People's Republic of China Ying-Quan Zhu --- , People's Republic of ChinaA highly selective spectrophotometric method has been developed for the determination of micro-amounts of calcium in plant material with calcichrome as the colour reagent. The absorption maximum of the complex is at 520 nm. At this wavelength, Beer's law is... -
Lime-phosphorus interactions in the growth of temperate pasture species on highly-weathered soils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: N. Miles --- Department of Agricultural Development, Republic of South Africa R.J. Eckard --- Department of Agricultural Development, Republic of South AfricaLime and phosphorus (P) requirements for the growth of temperate pasture species on acid, well-drained soils in the Natal Midlands were evaluated in factorial field trials. Species studied were white clover (Trifolium repens), tall fescue (Festuca arundinacea) and Italian ryegrass... -
The success of the AMMI model in predicting lucerne yields for cultivars with differing dormancy characteristics
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: MarieF. Smith --- , Republic of South Africa A. Smith --- , Republic of South AfricaThe AMMI model, which incorporates both additive and multiplicative components into an integrated, powerful, least squares analysis, is used for the analysis of cultivar trials at different localities. These trials are a major experimental component in crop production and plant... -
AMMI analysis of potato cultivar yield trials
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.J. Steyn --- , Republic of South Africa A.F. Visser --- , Republic of South Africa MarieF. Smith --- , Republic of South Africa J.L. Schoeman --- , Republic of South AfricaPotatoes, Solanum tuberosum (L), are cultivated in South Africa under a variety of different climates and seasons. The wide environmental variation encountered and the confirmed occurrence of genotype-environmental interaction necessitates the use of criteria, other than averages, in the evaluation... -
Wheat cultivar identification by electrophoretic analysis of gliadin proteins
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O.T. de Villiers --- Department of Botany, Republic of South Africa M. Bosman --- Centre for Cereal Research, Department of Agronomy and Pastures, Republic of South AfricaPolyacrylamide gel electrophoresis of gliadin proteins in an acid medium was used to identify different spring wheat cultivars. Gliadins were extracted from single kernels or corresponding flour samples using different solvents. Gliadin electrophoretogram formulae using relative band mobilities and staining... -
Maize response to Langebaan rock phosphate—superphosphate mixtures under glasshouse conditions
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.R. Thibaud --- Summer Grain Sub-Centre, Republic of South Africa M. P.W. Farina --- Summer Grain Sub-Centre, Republic of South Africa J.C. Hughes --- Department of Agronomy, Republic of South Africa M.A. Johnston --- Department of Agronomy, Republic of South AfricaA previous investigation showed that Langebaan rock phosphate (Langfos) was not an effective substitute for superphosphate. However, in the light of reports that P availability is enhanced when phosphate rock (PR) and monocalcium phosphate are combined, an improvement in Langfos... -
Comparison of protein extraction procedures to assess the effect of quantitative protein composition on the bread-making quality of South African winter wheat cultivars
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D. van Lill --- Small Grain Centre, Republic of South Africa B.S. Wentzel --- Small Grain Centre, Republic of South Africa MarieF. Smith --- , Republic of South Africa O.T. de Villiers --- Department of Botany, Republic of South AfricaA suitable technique for the extraction of wheat flour protein fractions was pursued to assess the effect of quantitative protein composition on the bread-making quality of winter wheat cultivars on a large scale. Nine procedures involving the use of different... -
Identification of tall fescue grass cultivars by sodium dodecyl sulphate and acid polyacrylamide gel electrophoresis
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R.E. Hierse --- , Republic of South Africa O.T. de Villiers --- Department of Botany, Republic of South Africa M. Bosman --- Department of Botany, Republic of South AfricaProtein banding patterns of seed obtained by sodium dodecyl sulphate Polyacrylamide gel electrophoresis (SDS-PAGE) or acid Polyacrylamide gel electrophoresis (A-PAGE) were used to distinguish between different tall fescue (Festuca arundinacea Shreb.) grass cultivars. An electrophoretic formula was determined for each... -
Soil water use and rooting depth of Italian ryegrass (Lolium multiflorum Lam.) in a small plot experiment
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R.E. Steynberg --- Department of Plant Production, Republic of South Africa P.C. Nel --- Department of Plant Production, Republic of South Africa N. F.G. Rethman --- Department of Plant Production, Republic of South AfricaItalian ryegrass is planted mainly under irrigation in the summer rainfall region of South Africa. Irrigation practices are often based on the assumption that Italian ryegrass has an extremely shallow root system. A small plot experiment was conducted to ascertain... -
Assessment of phosphorus availability in soils fertilized with Langebaan rock phosphate or superphosphate
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.R. Thibaud --- , Republic of South Africa M. P.W. Farina --- , Republic of South Africa J.C. Hughes --- Department of Agronomy, Republic of South Africa M.A. Johnston --- Department of Agronomy, Republic of South AfricaProblems currently exist in the interpretation of soil test values for soils fertilized with rock phosphate. This study was undertaken to compare the ability of four extradants (Ambic, Bray 1, Mehlich 3 and modified Truog) to assess plant available phosphorus... -
Multivariate assessment of environmental effects on hard red winter wheat. I. Principal-components analysis of yield and bread-making characteristics
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D. van Lili --- Small Grain Centre, Republic of South Africa J.L. Purchase --- Small Grain Centre, Republic of South Africa MarieF. Smith --- , Republic of South Africa G.A. Agenbag --- Department of Agronomy and Pastures, Republic of South Africa O.T. de Villiers --- Department of Agronomy and Pastures, Republic of South AfricaThe attributes of yield and bread-making quality of winter wheats produced in the Free State are subject to environmental effects. The result is a supply to the baking industry of flour of inconsistent quality, which in turn is detrimental to... -
Multivariate assessment of environmental effects on hard red winter wheat. II. Canonical correlation and canonical variate analysis of yield, biochemical and bread-making characteristics
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D. van Lili --- Small Grain Centre, Republic of South Africa J.L. Purchase --- Small Grain Centre, Republic of South Africa MarieF. Smith --- , Republic of South Africa G.A. Agenbag --- Department of Agronomy and Pastures, Republic of South Africa O.T. De Villiers --- Department of Botany, Republic of South AfricaThe inconsistent production of winter wheat with acceptable bread-making quality in the Free State reduces the commercial value of the wheat crop. In the second part of this study, canonical correlation analysis was used to determine to what extent variation... -
Extraction and electrophoretic separation of proteins from leaves of scions and rootstocks of Vitis cultivars
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E.W. le Grange --- , Republic of South Africa O.T. de Villiers --- Department of Botany, Republic of South AfricaProteins were extracted and separated by SDS-PAGE from leaves of scions and rootstocks of different Vitis cultivars. Banding patterns were used to identify the different cultivars after extraction of the proteins with a medium containing Tris-HCI (0.68 M, pH 7.8),... -
Plant resistance × environment interaction: Perspectives on yield losses caused by the maize stalk borer, Busseola fusca (Fuller)
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. B.J. van Rensburg --- , Republic of South AfricaExperimental maize hybrids with various levels of resistance to the maize stalk borer, Busseola fusca (Fuller), were evaluated at different infestation levels during seasons of favourable and unfavourable rainfall. Limited plant resistance sufficed to reduce plant damage and yield losses... -
Determination of the preharvest sprouting resistance of South African winter wheat (Triticum aestivum L.) cultivars
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Annelie Barnard --- , Republic of South Africa J.L. Purchase --- , Republic of South Africa MarieF. Smith --- , Republic of South Africa D. van Lill --- Department of Food, Clothing and Hotel Management, Technicon Free State, Republic of South AfricaPreharvest sprouting significantly reduces the quality of the South African wheat crop. This study classified the preharvest sprouting resistance of 17 South African winter wheat cultivars sampled over a range of typical winter wheat growth environments. Sampling was performed under... -
Fosfor in geselekteerde onversteurde en bewerkte Suid-Afrikaanse gronde 1. Totale, anorganiese en organiese fosfor
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 Preez --- Departement Grondkunde, Republiek van Suid-AfrikaMin is bekend oor die effek van boerderypraktyke soos bewerking, bemesting en bekalking op die fosforfraksies in gronde van die somerreënvalgebied (25°-30°S; 24°–30°O) in Suid-Afrika. Die doelstellings van die studie was om die effek van gewasverbouing op die totale (Pt),... -
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... -
Identification of Cyclopia species (‘Heuningbostee’) using Polyacrylamide gel electrophoresis
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O.T. de Villiers --- Department of Botany, South Africa M. Bosman --- Department of Botany, South Africa J.H. de Lange --- , South AfricaProtein banding patterns of seed obtained by sodium dodecyl sulphate Polyacrylamide get electrophoresis (SDS-PAGE) or acid polycrylamide gel electrophoresis (A-PAGE) were used to distinguish between different Cyclopia species (‘heuningbostee’). An electrophoretic formula was determined for each species using relative band... -
The use of acid Polyacrylamide gel electrophoresis to determine the effect of locality of growth on the protein profiles of barley, wheat and honeybush tea
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: O.T. de Villiers --- Department of Botany, South Africa M. Bosman --- Centre for Cereal Research, Department of Agronomy and Pastures, South AfricaAcid Polyacrylamide gel electrophoresis (A-PAGE) of proteins was used to identify different spring wheat cultivare, barley cultivars and Cyclopia species. Experimental conditions for the extraction of the proteins from single kernels as well as corresponding flour samples are described. Different... -
Sources of variation for yield, protein content and hectolitre mass of spring wheat (Triticum aestivum L.) cultivars of the Western and Southern Cape
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.M. Nel --- Department of Agronomy and Pastures, Republic of South Africa G.A. Agenbag --- Department of Agronomy and Pastures, Republic of South Africa J.L. Purchase --- , Republic of South AfricaIn the Western and Southern Cape the quality of wheat varies annually due to variable climatic conditions. This holds a commercial risk to the milling and baking industries in delivering the refined products to their respective clients. It is, therefore,... -
Genotype × environment interaction and principal factor analysis of seed characteristics related to canning quality of small white beans (Phaseolus vulgaris L.) in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.F. de Lange --- Department of Plant Breeding, Republic of South Africa M.T. Labuschagne --- Department of Plant Breeding, Republic of South AfricaAnalysis of variance, correlation analysis and principal factor analysis were applied to data for 23 sensory and physico-chemical traits measured on five cultivars of small white canning beans (Phaseolus vulgaris L.) planted at five localities in the 1995–96 season. Trait... -
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... -
Sources of variation in spring wheat (Triticum aestivum L.) cultivars of the Western and Southern Cape. I. Milling and dough development characteristics
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.M. Nel --- Department of Agronomy and Pastures, Republic of South Africa G.A. Agenbag --- Department of Agronomy and Pastures, Republic of South Africa J.L. Purchase --- , Republic of South AfricaApproximately 90% of the annual wheat crop produced in the Republic of South Africa is milled into flour for bread-baking purposes. The percentage of flour extracted, as well as the dough development properties, determine the milling and dough mixing characteristics... -
Sources of variation in spring wheat (Triticum aestivum L.) cultivars of the Western and Southern Cape. II. Baking characteristics
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.M. Nel --- Department of Agronomy and Pastures, Republic of South Africa G.A. Agenbag --- Department of Agronomy and Pastures, Republic of South Africa J.L. Purchase --- , Republic of South AfricaProtein content and quality determine flour quality, as well as the success of bread-baking. The stability of wheat quality characteristics is of great importance to the milling and baking industry, who have to produce an end product of acceptable and... -
Genotype × environment interaction of winter wheat (Triticum aestivum L.) in South Africa: I. AMMI analysis of yield performance
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.L. Purchase --- , Republic of South Africa Hesta Hatting --- , Republic of South Africa C.S. van Deventer --- Department of Plant Breeding, Republic of South AfricaThirteen winter and intermediate type bread wheat cultivars were evaluated under dryland conditions over a four year period from 1991 to 1994 and over 120 environments in the Free State province of South Africa. The Additive Main Effects and Multiplicative... -
Genotype × environment interaction of winter wheat (Triticum aestivum L.) in South Africa: II. Stability analysis of yield performance
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.L. Purchase --- , Republic of South Africa Hesta Hatting --- , Republic of South Africa C.S. van Deventer --- Department of Plant Breeding, Republic of South AfricaThirteen winter and intermediate type bread wheat cultivars were evaluated for yield stability under dryland conditions over a four year period from 1991 to 1994 and over a total of 120 environments in the Western, Central and Eastern Free State... -
An explanation of genotype by environment interaction for maize in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.C. Laubscher --- , Republic of South Africa C.Z. Roux --- Department of Genetics, Republic of South Africa J. M.P. Geerthsen --- Department of Genetics, Republic of South AfricaThe causes of genotype interaction with the environment was investigated using AMMI (Additive Main Effects and Multiplicative Interaction) analysis. AMMI quantified environments by means of E_IPCA1 (first principal component analysis for environment) such that it was highly significantly correlated (r... -
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... -
An improved phosphorus desorption index for the routine determination of the Ambic 2 phosphorus requirement factor of South African soils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.C. Henry --- , MarieF. Smith --- ,A short (24 h) laboratory incubation study was conducted and plots of P desorbed in Ambic 2 extraction solutions versus added P were constructed for a wide range of soils of varying P fixing capacity representative of the province of... -
Genotype-environment interactions and yield stability analyses of maize in Ethiopia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W. Abera --- Department of Plant Sciences, South Africa J. B.J. van Rensburg --- Department of Plant Sciences, South Africa M.T. Labuschagne --- Department of Plant Sciences, South Africa H. Maartens --- Department of Plant Sciences, South AfricaThe objective of this study was to evaluate the adaptation of 10 maize genotypes across five locations and three years in Ethiopia. Grain yield of 10 maize genotypes, tested in a randomised block design with four replications across the named... -
Retention of applied phosphorus by the benchmark soils of Lesotho and quantification of their phosphorus retention indices
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S.F. Molete --- Department of Soil, Crop and Climate Sciences, South Africa C.C. du Preez --- Department of Soil, Crop and Climate Sciences, South Africa M.V. Marake --- Faculty of Agriculture, LesothoThis study was conducted with the objective of determining and quantifying the capacity of Lesotho's benchmark soils to retain applied P. The soils were incubated with a range of P levels for a period of 42 days, whereafter P retention... -
Stability analysis of grain yield of tef (Eragrostis tef) using the mixed model approach
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: L.D. Kassa --- Discipline of Statistics & Operations Research, Republic of South Africa MarieF. Smith --- Biometry Unit, Republic of South Africa H. Fufa --- , EthiopiaMulti-environment trials are usually used to assess the grain yield stability of genotypes. Most of the common stability measures such as Finlay and Wilkinson (1963), Eberhart and Russell (1966) and Shukla (1972), can be accommodated by a linear mixed model... -
Soil compaction by tractor tillage in horticultural fields at Molelwane research farm, Mafikeng, North West Province
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S.A. Materechera --- Crop Science Department, Faculty of Agriculture, Science & Technology, Republic of South Africa K. Gaobope --- Crop Science Department, Faculty of Agriculture, Science & Technology, Republic of South AfricaThe study was prompted by concerns that soil compaction in horticultural fields at the University research farm was limiting the performance of fruit trees and vegetable crops after fifteen years of conventional tillage with tractors. Soil penetrometer resistance and bulk... -
Genotype × environment interaction for root yield of elite sweet potato (Ipomoea batatas (L) lam.) genotypes
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T. Tekalign --- Department of Plant Sciences, EthiopiaA study was conducted to determine stability of root yield, and the nature and magnitude of genotype × environment interaction in sweet potato using six recently introduced and one farmers' cultivar, which were grown at four locations for three consecutive... -
Additive mean effects and multiplicative interaction analysis of maize yield trials in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S. H. Ma’ali --- , South AfricaThirty five maize hybrids were evaluated over 98 environments for genotype x environment interaction (GEI) and yield stability under dry land conditions during the 2003 to 2006 seasons in the eastern and western maize production regions of South Africa. The... -
Attempts to obtain Huanglongbing resistant or tolerant sweet orange by embryo rescue from healthy chimeras of diseased citrus fruit
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: S.P. Van Vuuren --- , South Africa B.Q. Manicom --- , South AfricaHuanglongbing remains a threat in the cooler citrus production areas of South Africa despite restrictions on the movement of citrus material from infected areas, cultural control measures, planting of healthy certified trees and the eradication of infected material. The ultimate... -
Targeting of early to intermediate maize hybrids for yield performanceand yield stability using SREG model
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.S. Setimela --- , Zimbabwe J. Crossa --- CIMMYT Km, D.F Mexico M. Bänziger --- CIMMYT Km, D.F MexicoThe effectiveness of targeting and predicting maize (Zea mays.L) hybrid performance is difficult when the magnitude of genotype x environment (GE) interaction and yield prediction cannot be interpreted and is only based on genotypes (G) and GE means. The traditional... -
Anew optimum value for zinc in the main maize producing sandy soils of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.J. Van Biljon --- , Republic of South Africa C.A. Wright --- , Republic of South Africa D.S. Fouche --- , Republic of South Africa A.D.P. Botha --- , Republic of South AfricaSouth African farmers commenced applying zinc (Zn) during the 1960s at a rate of approximately 2 kg Zn ha−1. Although good yields were produced and Zn levels increased in South African maize fields, a recent survey revealed that maize meal... -
Open-top chamber facility to study air pollution impacts in South Africa. Part II: SO2–drought interactions on yield, photosynthesis and symbiotic nitrogen fixation in soybean
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E Heyneke --- School of Environmental Science and Development, South Africa AJ Strauss --- School of Environmental Science and Development, South Africa RJ Strasser --- Bioenergetics Laboratory, Switzerland GHJ Krüger --- School of Environmental Science and Development, South AfricaSouth Africa has an extremely energy-intensive economy, resulting in substantial air pollution through its coal-fired power stations. Modelled sulphur dioxide (SO2) concentrations on the central Highveld mostly range between 10 and 50 ppb, exceeding 50 ppb in source areas. Well-watered... -
Optimum replications and crop-years for sugarcane genotype trials at Dwangwa Sugar Estate in Malawi
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: MM Zhou --- , South Africa A Chihana --- , Malawi RC Parfitt --- , South AfricaThe ability to detect significant differences among genotypes in trials depends on the variance associated with the means. Dwangwa Sugar Estate, Malawi, imports genotypes from the South African Sugarcane Research Institute (SASRI) to test for possible commercial release. The objective... -
Influence of mono- and biculture cover cropping systems on soil polysaccharides and aggregate stability 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 AfricaMono- and biculture cropping systems are thought to affect aggregate stability by influencing soil polysaccharides but the exact relationship is uncertain. The objective of this study was to determine the effects of cover cropping systems on polysaccharides and aggregate stability... -
Phosphorus enhances aluminium tolerance in both aluminium-tolerant and aluminium-sensitive wheat seedlings
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: MT Iqbal --- Department of Agronomy and Agricultural Extension, BangladeshSeedlings growing in acid soils suffer both phosphorus (P) deficiency and aluminium (Al) toxicity stresses. An experiment was conducted to study the effects of Al and P interaction on Al-tolerant (ET8) and Al-sensitive (ES8) wheat genotypes in an acid soil... -
Identification and distribution of viruses infecting sweet potato (Ipomoea batatas L.) in KwaZulu-Natal province, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Benice J Sivparsad --- Discipline of Plant Pathology, School of Agricultural, Earth and Environmental Sciences, College of Agriculture and Environmental Sciences, South Africa Augustine Gubba --- Discipline of Plant Pathology, School of Agricultural, Earth and Environmental Sciences, College of Agriculture and Environmental Sciences, South AfricaA survey to determine occurrence and distribution of viruses infecting sweet potato (Ipomoea batatas (L.) Lam.) was conducted in major sweet potato growing areas in KwaZulu-Natal (KZN), South Africa. Eighty-four symptomatic vine samples were collected and graft-inoculated onto universal indicator... -
TOXIN EXTRACTION FROM THE BLUE-GREEN ALGA MICROCYSTIS AERUGINOSA BY DIFFERENT EXTRACTION MEDIA
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: A.J. van der Westhuizen --- Department of Botany, South Africa J.N. Eloff --- Department of Botany, South AfricaThe extractability of toxin from Microcystis aeruginosa isolate UV-006 by different extraction media such as O, 1N HC1, 2N CH3COOH, Triton X-100 and water at different pH levels was investigated. The best recovery of toxin was achieved with water at... -
NUTRIENTS IN AFRICAN LAKE ECOSYSTEMS: DO WE KNOW ALL?
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: J.A. Thornton --- , South AfricaIt is nearly sixty years since the first studies were undertaken on the nutrient chemistry of African lakes. There have been numerous studies on the chemical composition of African waters in the intervening years. Yet as recently as five years... -
MODELS OF ECOSYSTEMS AND AQUATIC ENVIRONMENTS: DEVELOPMENT AND APPLICATION
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: B.R. Allanson --- , South AfricaAn historical treatment of a number of principal events is given. This leads to an assessment of the current research approach in hydrobiology and its success in the development of process orientated ecosystem component models. With the contemporaneous development of... -
THE JOURNAL OF THE LIMNOLOGICAL SOCIETY OF SOUTHERN AFRICA: APPRAISAL, ANALYSIS, APPROACH AND APPLICATION
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: J.A. Thornton --- City Planner's Department, South AfricaIn accordance with the Silver Jubilee theme of ‘reminisce and assess’, the editorial takes a critical look at the Journal of the Limnological Society of Southern Africa with the objective of examining its raison d'etre. After briefly examining the need... -
DISTRIBUTION AND DIVERSITY OF MKUZE SWAMP FISHES DURING A SUMMER FLOOD
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: PH Skelton --- , South Africa AK Whitfield --- , South Africa N P E James --- , South AfricaVery little information is available on the fishes of the Mkuze swamps and this paper presents the results of an ichthyofaunal survey conducted in March 1988. The study, which coincided with a major river flood, determined that the fish fauna... -
Fish Collections Taken from a Small Agricultural Water Withdrawal Site on the Groot River, Gamtoos River System, South Africa
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: J.A. Cambray --- , South AfricaPeriodic water releases from Beervlei Dam on the Groot River of the Gamtoos River System were planned to flush the riverine pools of brack water and replace the pools with better quality water which was used to flood irrigate lucerne... -
NEW DISTRIBUTION RECORDS FOR CLARIAS THEODORAE WEBER 1897, BARBUS EUTAENIA BOULENGER 1904, BARBUS POLYLEPIS BOULENGER 1907 AND OPSARIDIUM ZAMBEZENSE (PETERS 1852) FROM THE WATERBERG, TRANSVAAL, SOUTH AFRICA.
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: C.J. Kleynhans --- , South Africa A. Hoffman --- , South AfricaNew distribution records for four fish species in the Waterberg mountains of the Transvaal were established during surveys since 1987–92. Clarias theodorae was previously reported from one locality each in the Waterberg and Soutpansberg. The current survey disclosed its presence... -
The influence of tree density on the grass layer of three semi-arid savanna types of southern Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: CGF Richter HA Snyman GN SmitThe influence of bush density on the grass component of the herbaceous layer was investigated for three savanna veld types (Molopo Thornveld, Mixed Vaalbos Thornveld, and the Eastern Grass and Bushveld) in the Northern Cape and North-West Province of South... -
Fire and the dynamics of a semi-arid grassland: influence on soil characteristics
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: H A SnymanThe short-term impact of fire burning with the wind (head fire) and against the wind (back fire) on soil characteristics (soil-water content, soil compaction, soil temperature, organic matter, pH, exchangeable Ca, Mg, K, Na and extractable P) were determined in... -
Scale, heterogeneity and secondary production in tropical rangelands
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Andrew Ash John Gross Mark Stafford SmithTropical rangelands across the world are experiencing land use intensification pressures which are reducing the spatial scale of grazing management units. There are implications of a reduction in scale on environmental heterogeneity and its relationship with secondary production of large... -
Do we understand the causes of bush encroachment in African savannas?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: D WardBush encroachment affects the agricultural productivity and biodiversity of 10–20 million ha of South Africa. Many people believe that we understand the causes of bush encroachment. We do not. Many people believe that either fire or heavy grazing by domestic... -
Effect of three grazing intensities on selected soil properties in semi‐arid west Texas
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: E.M. Seitlheko --- Department of Agronomy, United States of America B.L. Allen --- Department of Agronomy, United States of America D.B. Wester --- Department of Agronomy, United States of AmericaSoils in the study, carried out in the Texas Trans‐Pecos region, were fine‐loamy, mixed, thermic Aridic Calciustolls; fine‐loamy, mixed, thermic Aridic Ustochrepts; and fine, mixed, thermic Typic Chromusterts. Our primary objective was to determine the effect of three grazing intensities... -
Grass species composition, yield and quality under and outside tree crowns in a semi‐arid rangeland in south‐western Zimbabwe
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: C.S. Moyo --- , Zimbabwe B.M. Campbell --- Institute of Environmental Studies, ZimbabweA two‐year study was conducted in lightly grazed areas of Matopos Research Station, Zimbabwe, to evaluate the impact of widely spaced trees on understorey grass composition, yield and quality. The study trees were Terminalia sericea and Acacia karroo. Ordination techniques... -
Intra-annual variation of arthropod-plant interactions and arthropod trophic structure in an endangered grassland in the Free State province, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: F Buschke --- Centre for Environmental Management, South Africa M Kemp --- Centre for Environmental Management, South Africa M Seaman --- Centre for Environmental Management, South Africa S Louw --- Department of Zoology and Entomology, South AfricaArthropods are valuable biological indicators owing to strong relationships with primary producers. The supposition that arthropod-plant interactions are constant over seasons was tested using Mantel tests on correlations between these groups. A total of 78 plant species and 108 arthropod... -
Herbaceous plant species richness and composition in moist Midlands Mistbelt Grasslands in KwaZulu-Natal: is there a relationship to veld condition?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: P Ngwenya --- , South AfricaThis study investigated the relationship between grazing veld condition and herbaceous plant species richness in the moist Midlands Mistbelt Grassland in KwaZulu-Natal. The observed herbaceous plant species richness and composition of 12 sample plots (50 m × 50 m) was... -
The effect of harvesting operations, slash management and fertilisation on the growth of a Eucalyptus clonal hybrid on a sandy soil in Zululand, South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: ColinW Smith Ben du ToitHarvesting operations during clearfelling and extraction of timber from commercial plantations result in many processes that may affect long-term site productivity such as soil compaction and residue manipulation. The objective of this work was to evaluate the effects of various... -
An investigation into the occurrence and nature of genotype by environment interaction in Pinus patula
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: C.L. Snedden --- , South Africa S.D. Verryn --- , South AfricaThis study was conducted as part of a joint venture between the tree improvement teams of Safcol and the CSIR to develop a breeding, production and conservation strategy for Pinus patula. -
Promoting Inter-Relational Reflexivity with Psychosocial Workers in Community Work: A Case Study from Burundi
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yvonne Sliep --- School of Psychology, University of the University of KwaZulu-Natal, South Africa Andrew Gilbert --- Govan Mbeki Research and Development Centre, South AfricaWe explore the practice of creating reflexive spaces within community work with psychosocial workers living in Burundi and the Democratic Republic of the Congo. A central idea is inter-relational reflexivity—reflexivity within relationships that leads to collective action. Theoretical ideas related... -
Exploring the Validity of the Values-In-Action Inventory of Strengths (VIA-IS) in an African Context
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Itumeleng P. Khumalo --- North-West University, South Africa Marie P. Wissing --- North-West University, South Africa Q. Michael Temane --- North-West University, South AfricaThis study explored the validity of the Values-In-Action Inventory of Strengths (VIA-IS) in an African context. A convenience sample of 256 African students completed the VIA-IS in English. The majority of strengths subscales had good reliability coefficients and mean scores... -
The Reliability of the Dyadic Satisfaction (DS) Subscale in a Low-income Semi-rural South African Community
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Elmien Lesch --- Stellenbosch University, South Africa Sarah-Kate Engelbrecht --- Stellenbosch University, South AfricaThis study investigated the reliability of the Dyadic Satisfaction (DS) subscale of the Dyadic Adjustment Scale (DAS) in a South African setting. One-hundred heterosexual, coloured, low-income, semi-rural couples with a mean age of 43.59 years and limited formal education participated... -
The Design and Evaluation of a Hope Enhancement Programme for Adults
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Charl Pretorius --- University of the North-West, Chris Venter --- University of the North-West, Michael Temane --- University of the North-West, Mariè Wissing --- University of the North-West,The study evaluated the effectiveness of a hope enhancement programme for a group of adults and its impact on general psychological well-being. The intervention programme focused on participants' abilities to set feasible goals, planning ways to reach those goals (pathways)... -
Lived Experiences of Subclinical Eating Disorder: Female Students' Perceptions
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Doret K. Kirsten --- North-West University, Wynand F. du Plessis --- North-West University,The aim of this study was to obtain an “insiders' perspective” on the lived experience of Subclinical Eating Disorder (SED) in female university students. Participants were 30 white, undergraduate females from the Potchefstroom campus of the North-West University in South... -
Street Children's Experiences of Aggression during Interaction with Police
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Aneesa Moolla --- University of Johannesburg, Chris Myburgh --- University of Johannesburg, Marie Poggenpoel --- University of Johannesburg,The research investigated street children's experiences of aggression during interaction with police. The participants were 16 black male street children (aged =13 to 18 years) residing in a temporary shelter in Hillbrow of Johannesburg. Data were collected through phenomenological individual... -
A Meta-Theoretical Framework for Counselling People of African Ancestry: An Ecologically Oriented Response to the Special Section Articles
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lisa Lopez Levers --- Duquesne University, USAThis article is a review of the preceding six articles included in the Special Section related to the subject of counselling people of African ancestry. The major objective was to ascertain whether any recurring themes might be identified, and whether... -
Life Satisfaction and Perceived Stress Among University Students in Barbados
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mary Alleyne --- University of the West Indies, Barbados Philmore Alleyne --- University of the West Indies, Barbados Dion Greenidge --- University of the West Indies, BarbadosThe study assessed life satisfaction and perceived stress among undergraduate university students in Barbados. Data were collected from 172 students using a self-report questionnaire. The analysis regressed life satisfaction and perceived stress measures on student demographics. Findings indicate that students... -
Combining Leadership Theory with a Psychodynamic Perspective to Explain the Functioning of a Management Team
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: René van Eeden --- University of South Africa,This article illustrates how the processes and dynamics in a management team at a South African organization reflect the leadership and personality profiles of the members of the team. Participants were the 12-member management team (including the general manager). The... -
Coping, Occupational Wellbeing and Job Satisfaction of Nurses
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Johanna H. Buitendach --- University of KwaZulu Natal, Mohammed Abed Moola --- University of KwaZulu Natal,The study determined the relationship between coping, occupational wellbeing (as measured by burnout and work engagement), and job satisfaction of nurses in two private hospitals in Namibia. A cross-sectional research design was used. One-hundred and ninety-one nurses employed in two... -
Lay Counsellors' Experiences of Delivering HIV Counselling Services in Public Health Facilities in a Eastern Cape Province District of South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- Human Sciences Research Council, South Africa Adlai Davids --- Human Sciences Research Council, South AfricaThe study examined experiences of lay counsellors who provide HIV counselling services to identify potential HIV counselling needs. Qualitative and quantitative interview data were collected from 74 lay counsellors from a sample of Eastern Cape Province district's health facilities (n=74)... -
Ways of Relating and Interacting in School Communities: Lived Experiences of Learners, Educators and Parents
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ansie Elizabeth Kitching --- North-West University, South Africa Vera Roos --- North-West University, South Africa Ronél Ferreira --- University of Pretoria,This article reports on the findings of a baseline study on social interaction in schools as experienced by learners, educators and parents. A qualitative phenomenological approach was followed, utilising a cross-sectional descriptive survey design. Participants included 1 170 learners aged... -
Psychosocial Effects of Conditions of Military Deployment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Charles Makatipe Kgosana --- University of Stellenbosch, South Africa Gideon Van Dyk --- University of Stellenbosch, South AfricaDeployment may lead the soldiers to dichotomise their profession and their family life, resulting in unwanted effects on family or career. Effects on reintegration and functioning within family are considered. Reunions may be characterized by perceived negative reception and consequences... -
Psychofortology of Women Undergoing Infertility Treatment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Paul Fouché --- University of the Free State, South Africa Nico Nortjé --- University of the Free State, South Africa Kerry Phillips --- Nelson Mandela Metropolitan University, Louise Stroud --- Nelson Mandela Metropolitan University,This study explored the coping and subjective well-being of women undergoing infertility treatment. Participants were 61 South African women attending a fertility clinic was selected by means of non- probability purposive sampling (mean age = 34.5). Data were gathered by... -
Guidelines with Strategies for Enhancement of Resilience and Psycho-Social Well-Being in Professional Nurses
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Magdalena P. Koen --- North-West University, South Africa Chrizanne van Eeden --- North-West University, South Africa Marié P. Wissing --- North-West University, South Africa Vicki Koen --- North-West University, South AfricaThere are currently no guidelines available for enhancement of resilience in professional nurses. This study aims to provide broad guidelines with specific strategies that may enhance resilience and psycho-social well-being in professional nurses. These guidelines are based findings from previous... -
Students' Sense of Coherence, Study Engagement and Self-Efficacy in Relation to their Study and Employability Satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melinde Coetzee --- University of South Africa, Rudolf M. Oosthuizen --- University of South Africa,This study reports on students' sense of coherence, study engagement and self-efficacy in relation to their satisfaction with current studies and employability. Participants included a convenience sample of 127 employed adult learners enrolled for third year level open distance learning... -
Compassion Fatigue, Burnout and Compassion Satisfaction: Prevalence among Nursing Students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Henry D. Mason --- Tshwane University of Technology, Juan A. Nel --- University of South Africa,This article reports on the professional quality of life of a sample of participants who were enrolled for an academic programme in Nursing Science (N = 80, females = 73). Data were collected utilising the Professional Quality of Life (ProQOL... -
Community Engagement as Liberal Performance, as Critical Intellectualism and as Praxis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mohamed Seedat --- University of South Africa, South AfricaThis article aims to illustrate that engagement is a dynamic and evolutionary process, moulded by contesting ideological, social actor and contextual forces. For purposes of illustration, I draw on a university-affiliated, participatory enactment of community engagement as a case example... -
Flourishing of Students in a Tertiary Education Institution in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Llewellyn Ellardus Van Zyl --- North-West University (VTC), South Africa Sebastiaan Rothmann --- North-West University (VTC), South AfricaThe aims of this study were to examine the relationship between flourishing and academic performance (AP), life satisfaction (SWT), and positive affect (PA). A quantitative cross-sectional survey design was used on a convenience sample of university students (n = 845)... -
“…Here We Help Each Other”: Sense of Community of People Subjected to Forced Removals
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shingairai Chigeza --- North-West University, South Africa Vera Roos --- North-West University, South Africa Karen Puren --- North-West University, South AfricaThis study examined the sense of community of people with experience of forced removals in a South African setting. The participants were 200–108 men (54%) and 92 women (46%) between 18 and 61 years of age and selected using systematic... -
Flourishing of Information Technology Professionals: The Role of Work Engagement and Job Satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Elsabé Diedericks --- North-West University, South Africa Sebastiaan Rothmann --- North-West University, South AfricaThis study investigated the relationship between work role fit, the availability of personal resources, supervisor relations, work engagement, job satisfaction and employee flourishing. A convenience sample (N = 205) was taken of employees in information technology organizations. The results showed... -
Marital Expectations and Marital Satisfaction Between African Immigrant and United States Born Married Couples
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Evadne E. Ngazimbi --- Central Connecticut State University, Andrew P. Daire --- University of Central Florida, Damaris Soto --- University of Central Florida, Ryan G. Carlson --- University of Central Florida, Matthew D. Munyon --- University of Central Florida,This study examined the relationship between marital expectations and marital satisfaction among U.S. born (n=157; females=51.6%) and immigrant African couples (n=43; females=44.6%) who were faith community members. The participants completed the Relationship Assessment Scale (RAS; Hendrick, 1988), Relationship Pleasure Scale... -
Psychosocial Well-Being of Families in a South African Context: A Prospective Multifactorial Model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Vicki Koen --- North-West University, South Africa Chrizanne van Eeden --- North-West University, South Africa Sebastiaan Rothmann --- North-West University, South AfricaThis study investigated the psychosocial well-being of a group of South African families by determining the prevalence of psychosocial well-being indicators. A cross-sectional survey design and a purposive, voluntary sampling technique were used. Data on family well-being were collected from... -
Work Related Well-Being: Burnout, Work Engagement, Occupational Stress and Job Satisfaction Within a Medical Laboratory Setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kalashni Narainsamy --- University of South Africa, Sanet Van Der Westhuizen --- University of South Africa,This study investigated work-related well-being in a medical laboratory setting. A cross-sectional survey design was used to gather data from a convenience sample of 202 medical laboratory staff (females = 35.64%; majority ethnicity = Indian). Participants completed the Burnout Inventory—General... -
African Migrants' Experiences of Xenophobic Violence in South Africa: A Relational Approach
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shingairai Chigeza --- North-West University, Alda De Wet --- University of Limpopo, Vera Roos --- North-West University, Charl Vorster --- North-West University,This study explores the experiences of African migrants in relation to South African citizens in the course of xenophobic violence in South Africa. In a secondary data analysis of a larger research project, 44 migrants (both men and women with... -
A Psycho-Diagnostic Tool for Psychotherapy: Interactional Pattern Analysis (IPA)
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Charl Vorster --- North-West University, South Africa Vera Roos --- North-West University, South Africa Mari Beukes --- North-West University, South AfricaThis article proposes a description of a psycho-diagnostic tool for psychotherapists, the Interactional Pattern Analysis (IPA). Sixteen interpersonal variables are proposed to describe the observable behaviour that constitutes a client's interpersonal style within the context of a particular relationship, such... -
Dimensions of Job Satisfaction Identified Among South African Black Middle-level Managers: A Qualitative Investigation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sonja C. Strydom --- Stellenbosch University, René van Eeden --- University of South Africa,The aim of the present study was to identify the factors contributing to job satisfaction for black middle-level managers and to contextualise these factors in terms of Afrocentric values and South Africa's socio-political and historical background. The sample comprised eight... -
Contemplating the Self: A Brief Phenomenological Participatory Action Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Stephen D. Edwards --- Psychology and Educational Psychology Departments, Sumeshni Govender --- Psychology and Educational Psychology Departments, Dumisani R. Nzima --- Psychology and Educational Psychology Departments, Mandla M. Hlongwane --- Psychology and Educational Psychology Departments, Jabulani D. Thwala --- Psychology and Educational Psychology Departments, Ashmin Singh --- Psychology and Educational Psychology Departments, Pricilla B. Mbele --- Psychology and Educational Psychology Departments,This study examines Self contemplation from a heuristic phenomenological and applied psychological perspective using a participatory action research approach. The participant authors (n = 6; females = 50%, majority ethnicity = isiZulu = 67%) engaged in reflective contemplation of the... -
On Rademacher's Conjecture and A Recurrence Relation of Euler
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Morley Davidson StephenM. GagolaWe consider a connection between Rademacher's conjectural partial fraction decomposition for the reciprocal of Dedekind's eta function and Euler's recurrence relation for the partition function. An identity for coefficients attached to cyclotomic characteristic roots of this recurrence is obtained under... -
The Kleisli Category is a Category Of Fractions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: E. Giuli K.A. Hardie J.J.C. VermeulenWe consider a generalised notion of category of fractions associated with a class Φ of permitted replacement situations between zig-zags in a category C. The Kleisli category associated with a monad [T, η, μ] in C is shown to be... -
Diffraction and Dirichlet Problem for Parameter-Elliptic Convolution Operators with Constant Symbols
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Igor Fedotov Ying GaiIn this paper we evaluate the difference between the inverse operators of a Dirichlet problem and of a diffraction problem for parameter-elliptic convolution operators with constant symbols. We prove that the inverse operator of a Dirichlet problem can be obtained... -
The Borsuk-Ulam theorem for surfaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: DacibergL. GonçalvesGiven a pair (S, T) whereS is a closed surface and T is a free Z 2 action on S, we classify which pairs have the property that the Borsuk-Ulam theorem holds with respect to R 2. In particular if... -
Continued fractions and the geometric decomposition of modular transformations
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Meira HockmanIt is known that the modular group Γ = PSL (2,Z) and the Farey tessellation F of the hyperbolic plane H by an ideal triangle Λ0 = {0,1,∞} are connected by the relationship F = {g(I) : g ∈ Γ}... -
TRACES OF EPIMORPHISM CLASSES
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Lutz Schroder --- Department of Mathematics and Computer Science, University of Bremen, Bremen, Germany,Classes of morphisms that occur as preimages of the class of all epi-morphisms, of all extremal epimorphisms, respectively of all retractions under some faithful functor are characterized by suitable closure properties. The corresponding question for regular or strict epimorphisms is... -
On Touchard's continued fraction and extensions: combinatorics-free, self-contained proofs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Helmut Prodinger --- Department of Mathematics, South AfricaWe give a direct and simple proof of Touchard's continued fraction, provide an extension of it, and transform it into similar expansions related to Motzkin and Schröder numbers. Another proof is then given that uses only induction. We use this... -
Simple continued fractions and cutting sequences
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Meira Hockman --- School of Pure Mathematics, South Africa Richard van Rensburg --- School of Pure Mathematics, South AfricaThe connection between cutting sequences of a directed geodesic in the tessellated hyperbolic plane ℍ2, the modular group Γ = PSL(2, ℤ) and the simple continued fractions of an end point w of the geodesic have been established by Series... -
On convergence of homotopy analysis method and its application to fractional integro-differential equations
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: S. Abbasbandy --- Department of Mathematics, Iran M.S. Hashemi --- Department of Mathematics and Computer Science, Engineering and Technical Faculty, Iran I. Hashim --- Centre for Modelling & Data Analysis, School of Mathematical Sciences, MalaysiaIn this paper, we have used the homotopy analysis method (HAM) to obtain approximate solution of fractional integro-differential equations (FIDEs). Convergence of HAM is considered for this kind of equations. Also some examples are given to illustrate the high efficiency... -
The children left to stand alone
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Sidsel RoalkvamDrawing upon ethnographic fieldwork in Seke, a semi-rural area outside Harare, Zimbabwe, this paper explores the social mechanism behind the seeming invisibility of children left on their own and how this form of 'invisibility' challenges established notions of childhood, parenthood,... -
Vaccine preparedness: lessons from Lyantonde, Uganda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Paul Ritvo Dennis Willms Robert Meisner Laura Brown Adam Goldman Nelson SewankamboTo explore how to better educate rural Africans about preventive HIV/AIDS vaccine trials, 15 semi-structured, open-ended interviews were conducted with villagers in Lyantonde, Rakai District, Uganda. This study reports on the findings by focusing on the attitudes, knowledge and questions... -
Motor speed and reaction time in HIV/AIDS patients: a case-control study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Olubunmi Ogunrin Francis OdiaseHIV infection can produce a range of cognitive and behavioural symptoms that become more frequent and severe as the immune system deteriorates. This case-control study assessed the reaction time and the motor speed of Nigerian Africans with HIV or AIDS... -
HIV and AIDS vulnerability in fishing communities in Mangochi district, Malawi
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Joseph Nagoli --- , Katrien Holvoet --- , Michelle Remme --- ,The fisheries sector contributes significantly to Malawi's national economy and to the livelihoods of the poor as certain activities in the sector have relatively low barriers to entry. Various studies have shown that the fisheries sector suffers from high HIV... -
Cultural obstacles to the rollout of antiretrovirals: an exploratorycross-country analysis
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nicoli Nattrass --- , South AfricaThis article begins with an econometric analysis of potential socioeconomic determinants of highly active antiretroviral treatment (HAART) coverage. It shows that ‘cultural’ factors such as language diversity pose challenges to HAART coverage, but that the most important drivers of HAART... -
Formative evaluation of the STAR intervention: improving teachers’ ability to provide psychosocial support for vulnerable individuals in the school community
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Ronél Ferreira --- Department of Educational Psychology, South Africa Liesel EbersöhnThe article describes the pilot phase of a participatory reflection and action (PRA) study. The longitudinal investigation explores teachers’ ability to provide psychosocial support within the context of HIV/AIDS following an asset-based intervention. The study ensued from our desire to... -
Myths, science and stories: working with peer educators to counter HIV/AIDS myths
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: David Dickinson --- Department of Sociology, South AfricaThe failure to bring about widespread or effective behavioural change in response to South Africa's HIV epidemic requires that new forms of health communication be explored. This article reports on an action research project in which a group of workplace... -
Coping with hardship through friendship: the importance of peer social capital among children affected by HIV in Kenya
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Morten Skovdal --- Department of Health Promotion and Development, Norway Vincent Onyango Ogutu --- , KenyaChildren living in households affected by HIV face numerous challenges as they take on significant household-sustaining and caregiving roles, often in conditions of poverty. To respond to their hardships, we must identify and understand the support systems they are already... -
HIV/AIDS patient satisfaction with a food assistance programme in Sofala province, Mozambique
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Mariana Posse --- Faculty of Economics and Management, Mozambique Rob Baltussen --- Department of Primary and Community Care, The NetherlandsFood insecurity is one of the main factors affecting access and adherence to antiretroviral treatment (ART) in middle- and low-income countries. To mitigate this problem, food assistance interventions are being integrated in ART programmes. As evidence of effectiveness of these... -
‘Something for something’: The importance of talking about transactional sex with youth in South Africa using a resilience-based approach
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Ingrid van der Heijden --- Gender and Health Research Unit, South Africa Sharlene Swartz --- Human Sciences Research Council, South AfricaTransactional sex is a common feature of sexual relationships in South Africa but has severe health implications for those who engage in it. This paper presents perspectives on transactional sex based on interviews and focus group discussions with young people... -
Potential environmental impacts associated with the proposed abstraction of water from the Okavango River in Namibia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: P AshtonThe Namibian Department of Water Affairs has in the past faced considerable pressure to relieve the water shortages caused by recent droughts. One of the options considered in 1996, following poor runoff during the 1994/95 and 1995/96 seasons, was a... -
A preliminary assessment of impacts on estuarine associated fauna resulting from an intra-basin transfer and fresh water abstraction from aquatic systems in the Richards Bay area of KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D CyrusAn intra-basin transfer and the abstraction of water from aquatic systems in the Richards Bay area has led to the construction of six barriers which are restricting faunal movement, a reduction of flow to the Mhlathuze and Nhlabane estuaries and... -
An analysis of plant species distributions on the floodplain of the Okavango River, Namibia, with respect to impacts of possible water abstraction
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: NJ Diederichs WN ElleryThe proposed abstraction of water from the Okavango River in Namibia could potentially result in significant changes in the vegetation of floodplains downstream of the abstraction point. Direct gradient analysis was used to determine the distribution of the most common... -
A preliminary assessment of the impact of alien rainbow trout (Oncorhynchus mykiss) on indigenous fishes of the upper Berg River, Western Cape Province, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DJ Woodford ND ImpsonImpacts of alien rainbow trout (Oncorhynchus mykiss) on critically endangered Berg River redfin (Pseudobarbus burgi), Cape kurper (Sandelia capensis) and Cape galaxias (Galaxias zebratus) in the upper Berg River were investigated in terms of predation and spatial interactions. Trout stomach... -
Characterisation of potential aquaculture pond effluents, and physico-chemical and microbial assessment of effluent-receiving waters in central Ghana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: YB Ansah --- Department of Fish and Wildlife Conservation, USA EA Frimpong --- Department of Fish and Wildlife Conservation, USA S Amisah --- Department of Fisheries and Watershed Management, GhanaAn understanding of specific aquaculture systems and the impacts of their management practices leads to sound and cost-effective policies to protect the aquatic environment. Water samples were collected in 2009 from fish ponds, streams that receive effluents directly from ponds... -
An interdisciplinary method to harmonise ecology, economy and co-management: fisheries exploitation in Lake Nabugabo, Uganda
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: I Vaccaro --- Department of Anthropology and McGill School of Environment, Canada CA Chapman --- Department of Anthropology and McGill School of Environment, Canada EA Nyboer --- Department of Biology, Canada M Luke --- McGill School of Environment, Canada A Byekwaso --- National Fisheries Resources Research Institute, Uganda C Morgan --- McGill School of Environment, Canada D Mbabazi --- National Fisheries Resources Research Institute, Uganda D Twinomugisha --- Makerere University Biological Field Station, Uganda LJ Chapman --- Department of Biology, CanadaCollective action theory predicts that natural resource management at a local level has a higher probability of success if territoriality and jurisdiction of the managerial institution are in synchrony with mobility and territoriality of the resource and exploitation patterns of... -
MODELS OF ECOSYSTEMS AND AQUATIC ENVIRONMENTS: DEVELOPMENT AND APPLICATION
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: B.R. Allanson --- , South AfricaAn historical treatment of a number of principal events is given. This leads to an assessment of the current research approach in hydrobiology and its success in the development of process orientated ecosystem component models. With the contemporaneous development of... -
Spatial Comparisons of Populations of an Indigenous Limpet Scutellastra Argenvillei and an Alien Mussel Mytilus Galloprovincialis Along a Gradient of Wave Energy
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C. N. Steffani G. M. BranchIn the 1970s, the Mediterranean mussel Mytilus galloprovincialis invaded the South African coast and spread rapidly to dominate much of the West Coast, indicating either the opportunity to occupy a vacant niche or its superior competitive capability over indigenous species... -
Temporal Changes in an Interaction Between an Indigenous LimpetScutellastra Argenvillei and an Alien Mussel Mytilus Galloprovincialis: Effects of Wave Exposure
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C.N. Steffani G.M. BranchA previous survey of 15 sites off the Namaqualand coast on the west coast of South Africa provided evidence of a competitive interaction between an alien mussel Mytilus galloprovincialis and an indigenous limpet Scutellastra argenvillei, and indicated that wave action... -
An ecosystem approach to fisheries in the southern Benguela context
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K. L. Cochrane C. J. Augustyn A. C. Cockcroft J. H. M. David M. H. Griffiths J. C. Groeneveld M. R. Lipińnski M. J. Smale C. D. Smith R. J. Q. TarrThe 2001 Reykjavík Declaration on Responsible Fisheries in the Marine Ecosystem and the Plan of Implementation of the 2002 World Summit on Sustainable Development highlighted the need in fisheries to look beyond considering only the target species and to consider... -
Simulations of fishing effects on the southern Benguela fish community using an individual-based model: learning from a comparison with ECOSIM
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: Y-J. Shin L. J. Shannon P. M. CuryBy applying an individual-based model (OSMOSE) to the southern Benguela ecosystem, a multispecies analysis is proposed, complementary to that provided by the application of ECOPATH/ECOSIM models. To reconstruct marine foodwebs, OSMOSE is based on the hypothesis that predation is a... -
Quantification and representation of potential spatial interactions in the southern Benguela ecosystem
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L. Drapeau L. Pecquerie P. Fréon L. J. ShannonThis work explores the potential spatial interactions between 13 key commercial species of the southern Benguela ecosystem: sardine Sardinops sagax, anchovy Engraulis encrasicolus, round herring Etrumeus whiteheadi, horse mackerel Trachurus trachurus capensis, chub mackerel Scomber japonicus, chokka squid Loligo vulgaris... -
Consideration of multispecies interactions in the Antarctic: a preliminary model of the minke whale – blue whale – krill interaction
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M. Mori D. S. ButterworthAs a first step in investigating the major predator–prey interactions in the Antarctic, a model describing blue whales Balaenoptera musculus, minke whales Balaenoptera acutorostrata and krill Euphausia superba is developed. Blue and minke whales feed mainly on krill, and they... -
Growth inhibition of Gyrodinium instriatum (Dinophyceae) by Skeletonema costatum (Bacillariophyceae)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Nagasoe S Toda Y Shimasaki Y Oshima T Uchida T HonjoInteractions between the red tide-forming dinoflagellate Gyrodinium instriatum Freudenthl et Lee and the diatom Skeletonema costatum (Greville) Cleve were investigated in bialgal cultures. The growth rates and maximum cell densities of G. instriatum decreased dramatically in cultures containing S. costatum... -
Non-destructive sampling of juvenile abalone using epipodial tentacles and mucus: method and application
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R Slabbert R Roodt-WildingGood-quality biological material is needed to obtain intact deoxyribonucleic acid (DNA) for use in molecular techniques such as the polymerase chain reaction (PCR). Non-destructive sampling protocols of juvenile abalone Haliotis midae (7–15 months old) were tested in order to collect... -
An unusual nursing interaction between two adult Cape fur seals Arctocephalus pusillus pusillus
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SP Kirkman --- Animal Demography Unit, Department of Zoology, South AfricaGiven the high costs of lactation and the importance of milk for pup growth and survival in pinnipeds, nursing behaviour directed by a lactating female towards another adult is unexpected. Here, details were noted of a nursing interaction that occurred... -
Effects of deep-sea eddies on the northern KwaZulu-Natal shelf, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Morris --- Bayworld Centre for Research and Education, South Africa T Lamont --- Oceans and Coasts, Department of Environmental Affairs, South Africa M J Roberts --- Oceans and Coasts, Department of Environmental Affairs, South AfricaThis paper describes the westward movement of a cyclonic eddy across the Mozambique Channel and the subsequent south-westward propagation of the eddy along the east coast of South Africa and its interaction with the shelf. A hydrographic survey on 13... -
An end-to-end coupled model ROMS-N2P2Z2D2-OSMOSE of the southern Benguela foodweb: parameterisation, calibration and pattern-oriented validation
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Travers-Trolet --- IFREMER [French Research Institute for the Exploitation of the Sea], France Y-J Shin --- IRD [Research Institute for Development] CRH [Centre of Mediterranean and Tropical Fisheries Research], France JG Field --- Marine Research Institute, South AfricaIn order to better understand ecosystem functioning under simultaneous pressures (e.g. both climate change and fishing pressures), integrated modelling approaches are advocated. We developed an end-to-end model of the southern Benguela ecosystem by coupling the high trophic level model OSMOSE... -
Competitive Positioning and the Survival of Indigenous Firms in Nigeria: The Case Study of Glomobile, Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ayodele I. Shittu --- Dongwu Business School and Center for Enterprise Innovation and Development, PR China Jielin Dong --- Dongwu Business School and Center for Enterprise Innovation and Development, PR China Li Jing --- Dongwu Business School and Center for Enterprise Innovation and Development, PR ChinaIn this paper, we provide an exploratory view of the competitive analysis of indigenous firms in Nigeria's dynamic and competitive telecommunications industry. Adopting a case study approach, we analysed the key factors behind the survival of new entrant indigenous firms... -
Abnormal compression wood in Pinus taeda: A review of current knowledge and proposed future strategy
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: F.S. Malan --- Komatiland Forests (Pty) Ltd, Research Division, H.W. Kassier --- South African Forestry Company Ltd,Abnormal compression wood in P. taeda stands was first discovered in the early 1980s. Since then several research projects and surveys have been carried out in order to develop a better understanding of the problem and to try to find... -
Genotype by environment interaction for volume growth at 6 years of age in a series of five Pinus patula progeny trials in southern Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Arnulf Kanzler --- Sappi Forest Research, South Africa Sieg F. Hagedorn --- , South Africa Gary R. Hodge --- CAMCORE, USA William S. Dvorak --- CAMCORE, USAGenotype x environment interaction was investigated in a series of 5 Pinus patula progeny trials planted by the Institute for Commercial Forestry Research in southern Africa. The trials were established from Mpumalanga to the North-eastern Cape in a balanced 7x7... -
Does soil compaction on harvesting extraction roads affect long-term productivity of Eucalyptus plantations in Zululand, South Africa?
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Colin W. Smith --- ,The effect ofsoil compaction on the growth of Eucalyptusgrandis and two clonal hybrids (Eucalyptus grandis x urophylla (E. gxu) and Eucalyptus grandis x camaldulensis (E. gxc)) was evaluated on harvesting extraction roads at three sites in the Zululand region ofKwaZulu-Natal... -
Cold tolerant eucalypts in South Africa—Growth information for informed site-species matching in SA
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: T.L. Swain --- Institute for Commercial Forestry Research, Africa R.A.W. Gardner --- Institute for Commercial Forestry Research, AfricaSite-species matching is very important in managing the various limiting site and climatic factors in the more temperate forestry areas in South Africa. Information has been gathered from ICFR site-species interaction trials and provenance/progeny trials and summarised into a format... -
Growth potential of Eucalyptus cypellocarpa as an alternative species for the mid-altitude summer rainfall region of South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Christopher Komakech --- Forestry and Forestry Products, South Africa Tammy-L Swain --- , South Africa Annabel Fossey --- Biotechnology, South AfricaEucalyptus grandis is predominantly cultivated in the humid, warmer temperate, subtropical regions in South Africa for pulp and paper production because of its rapid growth and desirable wood properties. With forestry expanding into mid-altitude drier and warmer, or drier and... -
Genetic characterisation of a Eucalyptus nitens base breeding population in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Tammy-L Swain --- Institute for Commercial Forestry Research, South Africa SteveD Verryn --- Forestry and Agricultural Biotechnology Institute, South Africa MarkD Laing --- School of Agricultural Earth and Environmental Sciences, South AfricaThe measurement and statistical analysis of data from eight Eucalyptus nitens trials, established in the summer rainfall forestry region of South Africa during the 1980s and 1990s, have enabled the characterisation of the Institute for Commercial Forestry Research's breeding population... -
A review of management impacts on the soil productivity of South African commercial forestry plantations and the implications for multiple-rotation productivity
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Louis Titshall --- Institute for Commercial Forestry Research, South Africa Steven Dovey --- Institute for Commercial Forestry Research, South Africa Diana Rietz --- Institute for Commercial Forestry Research, South AfricaAn overview of southern African research that has investigated the impact of management practices that can potentially affect the long-term site productivity of plantations is presented, with an emphasis of these impacts on soil productivity and with the implications for... -
Human impact on lake ecosystems: the case of Lake Naivasha, Kenya
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: GeorgeE Otiang'a-Owiti Ignatius Abiya OsweLake Naivasha is a wetland of national and international importance. However, it is under constant anthropogenic pressures, which include the quest for socioeconomic development within the lake ecosystem itself as well as other activities within the catchment. The lake is... -
Trophic interactions amongst the plankton in the temporarily open/closed East Kleinemonde Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: EL Allan PW FronemanThe trophic interactions between bacteria, phytoplankton, nanoflagellates (2–20 μm), microzooplankton (20–200 μm) and mesozooplankton (200–2 000 μm) were investigated in winter and summer in the temporarily open/closed East Kleinemonde Estuary, Eastern Cape. During winter the phytoplankton community was dominated by... -
Fish community response to increased river flow in the Kariega Estuary, a freshwater-deprived, permanently open southern African system
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PD Vorwerk PW Froneman AW Paterson AK WhitfieldThe littoral and demersal ichthyofaunal community structure in the freshwater-deprived, permanently open Kariega Estuary was investigated following heavy rain in November 2006 and was compared to low-flow condition data from 1991 and 1996. All surveys took place during the spring... -
Sexual dimorphism in two pure cichlid species, Oreochromis niloticus niloticus (Linnaeus 1758) and Sarotherodon melanotheron melanotheron Rüppel 1852, and their intergeneric hybrids
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: A Toguyéni B Fauconneau C Mélard A Fostier J Lazard E Baras ER Kühn S van der Geyten J-F BaroillerGrowth performances and sexual growth dimorphism were compared in two pure species of tilapia, Oreochromis niloticus niloticus (OO) and Sarotherodon melanotheron melanotheron (SS), and their reciprocal intergeneric hybrids (male O. n. niloticus × female S. m. melanotheron [OS] and male... -
Simultaneous extraction of chitin and astaxanthin from waste of lobsters Jasus lalandii, and use of astaxanthin as an aquacultural feed additive
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Auerswald G GädeThis work investigates simple methods for simultaneous extraction of astaxanthin and chitin from industrial waste of the South African West Coast rock lobster Jasus lalandii. Removal of proteins from waste is the critical step to yield intact chitin and astaxanthin... -
Reproductive system and the spermatophoric reaction of the mesopelagic squid Octopoteuthis sicula (Rüppell 1844) (Cephalopoda: Octopoteuthidae) from southern African waters
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: HJT Hoving MR Lipiński JJ VidelerReproductive features of the poorly known oceanic squid Octopoteuthis sicula are described and quantified to gain insight into the reproductive biology of the species. The data are based on 39 complete and partial specimens from southern African waters, collected between... -
Evaluating seal–seabird interactions in southern Africa: a critical review
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SP KirkmanThrough predation and displacement, the Cape fur seal Arctocephalus pusillus pusillus poses a threat to several seabird species that breed in southern Africa. Measures such as the culling of 'problem' seals have been introduced to negate the effects on these... -
Do inter-colony differences in Cape fur seal foraging behaviour reflect large-scale changes in the northern Benguela ecosystem?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Skern-Mauritzen --- , Norway SP Kirkman --- Animal Demography Unit, Department of Zoology, South Africa E Olsen --- , Norway A Bjørge --- , Norway L Drapeau --- , France MA Meÿer --- Department of Environmental Affairs, South Africa J-P Roux --- Ministry of Fisheries and Marine Resources, Namibia S Swanson --- Department of Environmental Affairs, South Africa WH Oosthuizen --- Department of Environmental Affairs, South AfricaThe northern Benguela ecosystem adjoining Namibia has undergone considerable changes in recent decades, with reductions and northwards shifts of key prey species that have had severe implications for marine top predator populations. We investigated how such environmental variability may impact... -
Phenotypic plasticity and local adaptation in two extreme populations of Acacia karroo
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: G Bayonne Mboumba D WardPhenotypic plasticity is the effect of growth variability in response to different environmental conditions. Adaptive phenotypic plasticity is more specific; it is the ability of a single genotype to produce an array of phenotypes depending on the environmental extent. We... -
Epimorphisms of metric frames
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Bernhard Banaschewski Aleš PultrThis paper deals with several aspects of epimorphisms in the category MFrm of metric frames and contractive homomorphisms. In particular, it is shown that i. the epicomplete metric frames are uniquely determined by the power-set lattices of sets,... -
Functorial relationships between lattice-valued topology and topological systems
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: J.T. Denniston S.E. RodabaughThis paper investigates functorial relationships between lattice-valued topology (arising from fuzzy sets and fuzzy logic) and topological systems (arising from topological and localic aspects of domains and finite observational logic in computer science). Two such relationships are embeddings from TopSys... -
Secondary Traumatic Stress, Psychological Wellbeing and Life Satisfaction of Social Workers in Namibia
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Martina Perstling --- University of Namibia, Sebastiaan Rothmann --- North-West University, South AfricaThe aim of this study was to investigate the relationships among secondary traumatic stress, psychological wellbeing (purpose in life, environmental mastery and self-acceptance) and life satisfaction of social workers of Namibia. A cross-sectional survey design was used with a sample... -
Genotype × environment interactions and yield stability of stress-tolerant open-pollinated maize varieties in the Eastern Cape province, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Vimbayi GP Chimonyo --- Department of Agronomy, Faculty of Science and Agriculture, South Africa Charles S Mutengwa --- Department of Agronomy, Faculty of Science and Agriculture, South Africa Cornelius Chiduza --- Department of Agronomy, Faculty of Science and Agriculture, South AfricaGenotype × environment interactions are inherent in multilocational trials and complicate identification of superior genotypes. The aim of the study was to determine yield performance and stability of 13 maize genotypes in five locations of the Eastern Cape province, South... -
The role of coping responses in the relationship between perceived stress and satisfaction with life amongst chronic pain patients
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: SP Walker --- Unit for Professional Training and Service in the Behavioural Sciences, South Africa KGF Esterhuyse --- Department of Psychology, South Africa L Van Lill --- Department of Psychology, South AfricaBackground: This study aimed to determine the effect of coping responses on the relationship between perceived stress and satisfaction with life in a sample of chronic pain patients. -
Pain severity, coping and satisfaction with life in patients with chronic pain
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: SP Walker --- Unit for Professional Training and Services in the Behavioural Sciences (UNIBS), KGF Esterhuyse --- Department of Psychology,Objectives: The primary study aim was to determine whether or not a statistically significant relationship exists between pain severity and satisfaction with life in patients with chronic pain. The second aim was to explore the extent to which coping responses... -
Tuberculosis: the implications for anaesthesia
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: TA Jackson --- University of Cape Town, JM Thomas --- Red Cross War Memorial Children's Hospital,Tuberculosis is a common problem in South Africa, and provides a number of challenges for the anaesthetist. Patients may present in a variety of ways. Constitutional and pulmonary symptoms are the most common. These may impact on fitness for surgery... -
Putting Participation into Practice
Item type: Journal Article • Journal: South African Family Practice • Authors: GJO Marincowitz --- Department of Family Medicine and Primary Care, Limpopo Province Unit,Background: The aim of the article is to share the findings of participatory action research performed to develop a mutual participatory doctor-patient relationship model, and to apply this model in a rural cross-cultural primary care setting. -
Social Interaction of Teenage Mothers During and After Their Pregnancy
Item type: Journal Article • Journal: South African Family Practice • Authors: FPR De Villiers --- Department of Paediatrics and Child Health, J Kekesi --- Department of Paediatrics and Child Health,Extensive attention has been given to adolescent sexuality and teenage pregnancy in the past 30 years, yet many teenagers still fall pregnant. A teenager who becomes a parent is at a significant disadvantage in becoming a contributing adult, both psychosocially... -
Caring, learning, improving quality and doing research: Different faces of the same process
Item type: Journal Article • Journal: South African Family Practice • Authors: GJO Marincowitz --- Department of Family Medicine and Primary Care, Limpopo Province Unit, GS Fehrsen --- Department of Family Medicine and Primary Care,The aim of this article is to describe the similarities between the consultation process, the quality improvement (QI) process, action-and problem-based learning and participatory action research (PAR). We feel this understanding adds value to our work in enabling personal development... -
Participatory action research in the training of primary health care nurses in Venda
Item type: Journal Article • Journal: South African Family Practice • Authors: C Van Deventer --- Southern District, North-West and Witwatersrand University, JFM Hugo --- Department of Family Medicine,Background: The aim of this study was to understand and be part of a process of change in the training of primary health care nurses in Venda. -
Developments in the laboratory diagnosis of SARS—coronavirus infections
Item type: Journal Article • Journal: South African Family Practice • Authors: AA Hoosen --- Department of Microbiological Pathology, G Lecatsas --- Department of Virology,A novel coronavirus, the SARS—coronavirus (SARS-CoV) is the infectious agent that has been implicated in the recent epidemic outbreak of severe acute respiratory syndrome (SARS). This paper briefly reviews the features of the infectious agent (SARS-CoV), the outbreak and the... -
Students' Opinions on Autopsy and Death
Item type: Journal Article • Journal: South African Family Practice • Authors: FPR De Villiers --- Department of Paediatrics and Child Health, M Ruhaya --- Department of Paediatrics and Child Health,Background: Autopsies are commonly seen on television, but are less common in real life. Worldwide, the autopsy rate has declined drastically over the past half century, from approximately 50% to only five to 22% in the 1990s. These percentages are... -
Drug and Contact Lens Interactions
Item type: Journal Article • Journal: South African Family Practice • Authors: GL Muntingh --- University of Limpopo,It is important to be aware that drug interactions with contact lenses do exist. Using this knowledge when prescribing medication will decrease the incidence of damage to the eye and contact lens and result in more comfort being afforded to... -
Communication skills for medical/dental students at the University of Pretoria: Lessons learnt from a two-year study using a forum theatre method
Item type: Journal Article • Journal: South African Family Practice • Authors: C Krüger --- Department of Psychiatry, Faculty of Health Sciences, JJ Blitz-Lindeque --- Faculty of Health Sciences, GE Pickworth --- Head Education Consultant (Faculty of Health Sciences), Telematic Learning and Education Innovation, AJ Munro --- Head: Department of Drama, Faculty of Humanities, M Lotriet --- Senior Education Consultant (Faculty of Humanities), Telematic Learning and Education Innovation,Background: This study describes the lessons learnt from using a novel method for teaching communication skills to second-year medical/dental students. -
Doctors and strike action: Can this be morally justifiable?
Item type: Journal Article • Journal: South African Family Practice • Authors: GA Ogunbanjo --- Department of Family Medicine and PHC, Faculty of Health Sciences, D Knapp van Bogaert --- Steve Biko Centre for Bioethics, Faculty of Health Sciences,Strikes are rare events in the history of medicine. Mainly their occurrences have been initiated by junior doctors as is the case in South Africa. In the most recent strike action by South African doctors, the root cause appears to... -
Emotional reactions of medical doctors and students following the loss of their patients at the Dr George Mukhari Hospital emergency unit, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: RT Masia --- Department of Psychology, WJ Basson --- Department of Psychology, GA Ogunbanjo --- Department of Family Medicine and PHC,Background: Studies on death and dying predominantly emphasise the needs of the dying patient and the process of bereavement. Few studies have focused on the reactions of medical doctors and students when the patients they have cared for die. -
Patient satisfaction with the quality of care in a primary health care setting in Botswana
Item type: Journal Article • Journal: South African Family Practice • Authors: AR Bamidele --- Extension II Clinics, Botswana ME Hoque --- Department of Public Health, Faculty of Health Care Sciences, South Africa H Van der Heever --- Department of Public Health, Faculty of Health Care Sciences, South AfricaBackground: Primary health care involves a sustained partnership between patients and providers that addresses the majority of a population's health needs over time. Patients' perception of satisfaction is an aspect of healthcare quality that is being increasingly recognised for its... -
Comparative study of the primary healthcare systems in China and Mali
Item type: Journal Article • Journal: South African Family Practice • Authors: S Fomba --- Master's candidate degree West China School of Public Health; Sichuan University, China M Xiao --- Master's candidate degree West China School of Public Health; Sichuan University, China Y Yang --- Master's candidate degree West China School of Public Health; Sichuan University, China H Zhou --- Master's candidate degree West China School of Public Health; Sichuan University, China Q Liu --- Master's candidate degree West China School of Public Health; Sichuan University, China L Yu --- Master's candidate degree West China School of Public Health; Sichuan University, ChinaBackground: Community health centres (CHCs) are an important component of the health system in Mali and China. Despite patient support and commitment from the authorities, the management and the quality of care of these structures need to be improved. This... -
Determinants of patient satisfaction with physician interaction: a cross-sectional survey at the Obafemi Awolowo University Health Centre, Ile-Ife, Nigeria
Item type: Journal Article • Journal: South African Family Practice • Authors: EA Abioye Kuteyi --- Community Health Department, Nigeria IS Bello --- General Practice Department, Nigeria TM Olaleye --- Community Health Department, Nigeria IO Ayeni --- Community Health Department, Nigeria MI Amedi --- Community Health Department, NigeriaBackground: Patient satisfaction influences the outcomes of the physician-patient encounter. Patient satisfaction has become a significant health care outcome and a useful indicator of the quality of care. The aim of the study was to assess the level of satisfaction... -
Drug interactions of antihypertensive agents
Item type: Journal Article • Journal: South African Family Practice • Authors: LH Opie --- University of Cape Town, -
Drug interactions in primary health care in the George subdistrict, South Africa: a cross-sectional study
Item type: Journal Article • Journal: South African Family Practice • Authors: PA Kapp --- Knysna Provincial Hospital, University of Stellenbosch, AC Klop --- Department of Family Medicine and Primary Care, LS Jenkins --- Head of Unit,Objectives: To investigate the prevalence of potential drug-drug interactions in primary healthcare clinics in the George subdistrict, to determine which drugs were involved, and to identify associated risk factors. -
Love, lust and the emotional context of multiple and concurrent sexual partnerships among young Swazi adults
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Allison Ruark --- Department of International Health, USA Lunga Dlamini --- Department of International Health, USA Nonhlanhla Mazibuko --- Department of International Health, USA Edward C Green --- Department of Population, Family and Reproductive Health, USA Caitlin Kennedy --- Department of International Health, USA Amy Nunn --- Division of Infectious Diseases, USA Timothy Flanigan --- Division of Infectious Diseases, USA Pamela J Surkan --- Department of International Health, USAMen and women in Swaziland who are engaged in multiple or concurrent sexual partnerships, or who have sexual partners with concurrent partners, face a very high risk of HIV infection. Ninety-four in-depth interviews were conducted with 28 Swazi men and... -
Does thinking about the meaning of life make you happy in a religious and globalised world? A 75-nation study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mohsen Joshanloo --- Victoria University of Wellington, New Zealand Dan Weijers --- Chungbuk National University, South KoreaThis paper reports on a multilevel study of 75 nations, which tests two hypotheses that arose from considering Tolstoy's experience of thinking about the meaning and purpose of life. The globalisation-as-exacerbator hypothesis predicts that as globalisation increases, the relationship between... -
Exploring the relationship between religious fundamentalism, life satisfaction, and meaning in life
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Werner Nell --- Optentia Research Programme, School of Behavioural Sciences, South AfricaThis study explored the relationship between life satisfaction, meaning in life, and religious fundamentalism among 420 participants (28.8% male, 88.4% African, 8.4% White) residing in the Gauteng province of South Africa. A cross-sectional quantitative survey design was followed. Data were... -
Diet selection of goats depends on season: roles of plant physical and chemical traits
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ntuthuko R Mkhize --- Agricultural Research Council–Animal Production Institute, South Africa Peter F Scogings --- Department of Agiculture, South Africa Ignatius V Nsahlai --- Animal and Poultry Science, South Africa Luthando E Dziba --- CSIR, Natural Resources and the Environment, South AfricaThis paper reports on diet selection of goats offered six browse species (i.e. Acacia natalitia [Vachellia natalitia], Acacia nilotica [Vachellia nilotica], Dichrostachys cinerea, Grewia occidentalis, Gymnosporia maranguensis and Scutia myrtina) commonly found in moist Zululand thornveld. The hypotheses tested were:... -
Promoting technology adoption in the small-scale oil palm fruit processing sector in south-western Nigeria: an innovation systems approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Olawale O. Adejuwon --- African Institute for Science Policy and Innovation, Obafemi Awolowo University, Nigeria Kehinde A. Taiwo --- Department of Food Science and Technology, Nigeria Matthew O. Ilori --- African Institute for Science Policy and Innovation, Obafemi Awolowo University, NigeriaTechnologies have been developed for various unit operations in small-scale oil palm fruit processing in Nigeria. However, a majority of small-scale processors in the country still adopt traditional techniques, with a few adopting processing technologies for a particular stage in... -
Productivity and cost analysis of semi-mechanised and mechanised systems on the Viphya forest plantations in Malawi
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Elisha Ngulube --- Forest Postgraduate Programme, Plant Sciences Complex, South Africa Michal Brink --- Forest Postgraduate Programme, Plant Sciences Complex, South Africa Paxie W Chirwa --- Forest Postgraduate Programme, Plant Sciences Complex, South AfricaAt least 200 000 m3 of timber is harvested annually using semi-mechanised harvesting systems on the Viphya forest plantations in Malawi. Although these systems have long been used on the Viphya, no investigation on their productivity has so far been... -
Perceptions of sugar mommy practices in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nancy Phaswana-Mafuya --- Human Sciences Research Council, South Africa Olive Shisana --- Human Sciences Research Council, South Africa Adlai Davids --- Human Sciences Research Council, South Africa Cily Tabane --- University of the Witwatersrand, South Africa Margaret Mbelle --- Human Sciences Research Council, South Africa Gladys Matseke --- Human Sciences Research Council, South Africa Mercy Banyini --- University of Venda, South Africa Queen KekanaThe study sought to explore sugar mommy practices regarding their occurrence, acceptability as well as perceived reasons why older women and younger men enter into sugar mommy relationships. An exploratory qualitative study involving 135 participants from 11 diverse focus groups... -
Psychological strengths and subjective well-being in South African white students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Leon T. B. Jackson --- North-West University, South Africa Fons J. R. van de Vijver --- North-West University, South Africa Runél Fouché --- North-West University, South AfricaThis study investigated the role of individual resources, notably self-efficacy, gratitude, and hope, in subjective well-being of white dormitory students at a historically white institution of higher learning. Using a convenience sample of white students (N = 227), we tested the role... -
Positive work experiences and life satisfaction: the moderating role of gender
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jillian C. Williamson --- University of Johannesburg, South Africa Madelyn Geldenhuys --- University of Johannesburg, South AfricaThis study investigated the effects of work engagement and psychological meaningfulness on life satisfaction taking into account the moderating effect of gender. A cross-sectional research design was used to capture data on satisfaction with life, work engagement and psychological meaningfulness... -
Exploring the potential of host-environment relationships in the control of schistosomiasis in Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: C Monde --- Department of Aquatic Ecology and Water Quality Management, The Netherlands S Syampungani --- Department of Plant and Environmental Sciences, Zambia PJ Van den Brink --- Department of Aquatic Ecology and Water Quality Management, The NetherlandsA number of human disease prevalences are supported by host-parasite-environment interactions. One such disease is schistosomiasis. Schistosoma parasites are transmitted between the snail intermediate hosts and mammalian definitive hosts in an aquatic environment. This host-environment link determines the parasite transmission... -
Temporal changes in the macrobenthos of sandprawn (Callichirus kraussi) beds in Swartvlei Estuary, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Nicholas Hanekom --- South African National Parks, South Africa Ian A Russell --- South African National Parks, South AfricaWater quality was recorded quarterly along the length of the Swartvlei estuary (2002–2014), while seagrass biomass and macrobenthic abundance were measured annually in intertidal sandprawn beds (2009–2014). Despite relatively stable, marine-dominated conditions the abundance of the sandprawn Callichirus kraussi recorded... -
Herbal and alternative medicine: the impact on anesthesia
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: JM Dippenaar --- Department of Maxillo-Facial-Oral Surgery, South AfricaThe use of herbal and alternative therapies is increasing all over the developed as well as the developing world. As pharmacological data on drug interactions involving herbal therapies becomes available, it is important to be familiar with the challenges that... -
The effect of ungulate grazing on a small mammal community in southeastern Botswana
Item type: Journal Article • Journal: African Zoology • Authors: Eli R. Saetnan --- University of Illinois at Urbana-Champaign, U.S.A. Christina Skarpe --- Norwegian Institute for Nature Research, NorwayUngulates can reduce the quantity of food available for other herbivores in general or reduce the available cover for small mammals in particular. On the other hand, browsing and grazing may facilitate foraging by other mammals if the quality and... -
Description and ecology of larvae of Glossogobius callidus and Redigobius dewaali (Gobiidae) from temperate South African estuaries
Item type: Journal Article • Journal: African Zoology • Authors: Nadine A. Strydom --- South African Institute for Aquatic Biodiversity, South Africa Francisco J. Neira --- Marine Research Laboratories, Tasmanian Aquaculture and Fisheries Institute (TAFI), University of Tasmania, AustraliaThis paper describes the morphology and ecology of the larvae and early juveniles of two common gobiids in warm temperate South African estuaries. The early developmental stages of Glossogobius callidus and Redigobius dewaali were collected during plankton surveys in seven... -
Post-weaning social behaviour within mother–offspring groups of the bushveld gerbil, Gerbilliscus leucogaster: implications for dispersal
Item type: Journal Article • Journal: African Zoology • Authors: Tracy K. Lötter --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa Neville Pillay --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South AfricaSocial behaviour has been implicated in the natal dispersal of several small mammal species. We studied social interactions within groups of bushveld gerbil Gerbilliscus leucogaster mothers and their weaned offspring in captivity. We examined groups (n = 8) over several... -
Rules of attraction: the role of bait in small mammal sampling at high altitude in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Armand D. Kok --- Department of Zoology and Entomology, South Africa Daniel M. Parker --- Department of Zoology and Entomology, South Africa Nigel P. Barker --- Botany Department, South AfricaBaits or lures are commonly used for surveying small mammal communities, not only because they attract large numbers of these animals, but also because they provide sustenance for trapped individuals. In this study we used Sherman live traps with five... -
Competing seed consumers drive the evolution of scatter-hoarding: Why rodents do not put all their seeds in one larder
Item type: Journal Article • Journal: African Zoology • Authors: Ursina D. Rusch --- Department of Botany and Zoology, South Africa Jeremy J. Midgley --- Department of Botany, South Africa Bruce Anderson --- Department of Botany and Zoology, South AfricaCompetition for food resources amongst animal seed dispersers and pilferers has driven dispersers to increasingly innovative seed-caching methods.We determined cache sizes in the field as well as seed cache recovery ability of a scatter-hoarding mouse, Acomys subspinosus, and compared these... -
A comparison of techniques employed in detection of avian malaria infection, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Sharon Okanga --- Percy FitzPatrick Institute, DST/NRF Centre of Excellence, University of Cape Town, South Africa Graeme S. Cumming --- Percy FitzPatrick Institute, DST/NRF Centre of Excellence, University of Cape Town, South Africa Phillip A. R. Hockey --- Percy FitzPatrick Institute, DST/NRF Centre of Excellence, University of Cape Town, South Africa Mercedes Grome --- Department of Biological Sciences, U.S.A. Jeffrey L. Peters --- Department of Biological Sciences, U.S.A.Avian malaria remains an obscure and mostly unknown avian infection despite the socio-economic threat it poses for poultry industries and its potential to hinder conservation efforts. Therefore, diagnostics for the infection should be expedient, efficient and flexible in applicability. We... -
Intraguild predation and partial consumption of blue sharks Prionace glauca by Cape fur seals Arctocephalus pusillus pusillus
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Fallows --- Apex Expeditions, South Africa HP Benoît --- Fisheries and Oceans Canada, Canada N Hammerschlag --- Rosenstiel School of Marine and Atmospheric Science, USAThe top-down effects of predators on ecosystem structure and dynamics have been studied increasingly. However, the nature and consequence of trophic interactions between upper-trophic-level predators have received considerably less attention. This is especially the case in marine systems due to... -
Changeover-time in psychosocial wellbeing of people living with HIV and people living close to them after an HIV stigma reduction and wellness enhancement community intervention
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: H Christa Chidrawi --- Africa Unit for Transdisciplinary Health Research (AUTHeR), South Africa Minrie Greeff --- Africa Unit for Transdisciplinary Health Research (AUTHeR), South Africa Q. Michael Temane --- Africa Unit for Transdisciplinary Health Research (AUTHeR), South Africa Suria Ellis --- Statistical Consultation Services, South AfricaHIV stigma continues to affect the psychosocial wellbeing of people living with HIV (PLWH) and people living close to them (PLC). Literature unequivocally holds the view that HIV stigma and psychosocial wellbeing interact with and have an impact on each... -
Can a luxury hotel compete without a spa facility? – Opinions from senior managers of London’s luxury hotels
Item type: Journal Article • Journal: • Authors: Andy Heyes --- Hospitality Management, University of Derby, Derby, United Kingdom Colin Beard --- Sheffield Business School, Sheffield Hallam University, Sheffield, United Kingdom Sjoerd Gehrels --- Academy of International Hospitality Research, Stenden University of Applied Sciences, Leeuwarden, The NetherlandsThe development of the wellness facility within the luxury hotel sector around the world has been evident, with many professionals believing that spas are an expected element within luxury hotels. This paper has been written to provide further consideration for... -
The California bearing ratio (CBR) of some mechanically stabilised laterite sub-base soils along the Ibadan-Oyo Road, Southwestern Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: P.A. Fasanmade --- Civil Engineering Department, Nigeria G.O. Adeyemi --- Geology Department, Nigeria E.O. Eze --- Civil Engineering Department, NigeriaMechanical stabilisation by mixing one lateritic soil with another is not a popular subject of research, hence this study. Samples were taken from two locations along the Ibadan-Oyo Road in Southwestern Nigeria. The study focused on determining the California bearing... -
Voluntary reporting of financial targets: Motivation and share price reaction
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: W A A Maguire --- Department of Accounting and Finance,This paper examines the impact on share prices on the first occasion on which firms voluntarily report financial targets; specifically target rate of return, target debt-equity ratio and target dividend payout ratio. By reference to estimation risk and signalling theories,... -
Accounting for futures and options in terms of IASC proposals: practitioners’ views in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: S Baker --- South African Breweries, G K Everingham --- Department of Accounting,This paper outlines the development and nature of the International Accounting Standards Committee’s proposals in relation to financial instruments. It considers the applicability of the specific principles therein in relation to accounting for futures and options traded on the South... -
Transfer pricing methods in the context of intangible property
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: M Steyn --- Department of Taxation, School of Accounting Sciences,The purpose of this study is to evaluate the suitability of existing acceptable transfer pricing methods and their application to international transactions between related parties involving intangible property, more specifically intellectual property that is legally protected. The application of the... -
The cost efficiency of small farm inclusion in agribusiness supply chains
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: K Sartorius --- School of Accountancy, J Kirsten --- Department of Agricultural Economics,The inclusion of small-scale commercial farmers in South African agribusiness supply chains is a national priority and there is an urgent need for managerial accounting (MAS) inputs to successfully accomplish this objective. This paper explores ways that small farmers can... -
The effects of IFRS adoption: A review of the early evidence
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: M Negash --- School of Accountancy,This review documents the conceptual, methodological and policy issues that relate to the domain of financial reporting research that attempts to examine whether there are measurable gains, (if any) stemming from the adoption of international financial reporting standards, (IFRS). It... -
Participation schemes in the South African Mining Industry: The impact of managerial accounting, communication and control systems
Item type: Journal Article • Journal: De Ratione • Authors: Jeremy Lord --- Department of Accounting at the University of Natal,The relationships between employees’ job satisfaction and their perceived extent of participation in profits, and budget-setting and other job-related decision-making, were examined in a profitable South African mining company. Using the statistical technique of Moderated Multiple Regression, it was established... -
Dexmedetomidine premedication in cataract surgery under topical anaesthesia: to assess patient and surgeon satisfaction
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Poonam S Ghodki --- Department of Anaesthesiology, India Shalini P Sardesai --- Department of Anaesthesiology, India Swapnagandha S Halikar --- Department of Ophthalmology, IndiaBackground: Dexmedetomidine is a potent non-opioid analgesic that may enhance analgesia for cataract surgery under topical anaesthesia. This study was undertaken to assess sedation and analgesia provided by dexmedetomidine and evaluating patients’ satisfaction. Secondary aims were: (1) To study the... -
The Strategic Employment Experience (SEE) Matrix
Item type: Journal Article • Journal: • Authors: Michael Njingu Chibili --- Stenden Hotel Management School, Leeuwarden, The NetherlandsA new tool was developed and tested for the assessment and evaluation of job satisfaction within organisations. The tool is based on Herzberg’s two-factor theory, and measures the performance and the importance of motivators and hygiene factors within the work... -
How to develop student-centred management cases
Item type: Journal Article • Journal: • Authors: Klaes Eringa --- Stenden University of Applied Sciences, Leeuwarden, The Netherlands Perry Yi Jin --- Stenden University of Applied Sciences, Leeuwarden, The NetherlandsCase studies are very popular in management education. Many case studies, however, are written at a level that is beyond the understanding of their target audience and therefore fail to do what they are intended for. The present study examines... -
The impact of transactional versus transformational leadership on job satisfaction in the hotel industry
Item type: Journal Article • Journal: • Authors: Irene Spitzbart --- Stenden Hotel Management School, Leeuwarden, The NetherlandsThis study examines the impact of transactional versus transformational leadership on job satisfaction. Data was collected through a 69-item questionnaire for employees and a 70-item questionnaire for leaders to investigate their perceptions of their own leadership style and those of... -
Reading the guest by means of facial expressions
Item type: Journal Article • Journal: • Authors: Jannick Boelens --- Stenden Hotel Management School, Leeuwarden, The Netherlands‘Reading the guest’ refers to the ability to detect and interpret the body language and facial expressions of a guest. A battery of tests was developed to test whether it is possible to accurately read and assess the needs and... -
Sustainable intensification of cultivated pastures using multiple herbivore species
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: James P Muir --- Texas A&M AgriLife Research, USA William D Pitman --- Louisiana State University Agricultural Center, USA Jamie L Foster --- Texas A&M AgriLife Research, USA José C Dubeux --- North Florida Research and Education Center, USADemand for animal products is growing faster than for any other agricultural product. As a result, pressure for greater output from cultivated pastures is expected to increase. Assuming cultivated pasture area will decrease with land degradation, conversion to grain crops... -
Case pending: practices of inclusion and exclusion in a class of plaintiffs
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Rita Kesselring --- Institute of Social Anthropology, University of Basel, SwitzerlandApartheid victims have had a difficult standing in South Africa in the years that followed the Truth and Reconciliation Commission (TRC). In the government's perspective, the TRC had conclusively dealt with apartheid victimhood. Consequently, when victims turned to US courts... -
The psychosocial well-being of a “forgotten” South African community: the case of Ndumo, KwaZulu-Natal
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Werner Nell --- Optentia Research Programme, Department of Behavioural Sciences, South Africa Engela de Crom --- Department of Nature Conservation, South Africa Hendri Coetzee --- Institutional Community Engagement Office and Unit for Environmental Sciences and Management, North-West University, South Africa Elize van Eeden --- Research Group for Integrative Multidisciplinary Ecohealth and Wellbeing Research, South AfricaThis study investigated the psychosocial well-being of an indigenous cultural community in South Africa, using a sequential explanatory mixed-methods design. Data on life satisfaction and emotional, social and psychological well-being were collected from 521 local residents (48% female) of Ndumo... -
Disaster recovery experiences of a South African rural farming community
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Christiaan Becker --- Africa Unit for Transdisciplinary Health Research, South Africa Vera Roos --- Africa Unit for Transdisciplinary Health Research, South Africa Hendri Coetzee --- Africa Unit for Transdisciplinary Health Research, South AfricaThis study explored the bush fire disaster experiences and coping of South African farmers. Participants consisted of seven male farmers (6 = White Afrikaans-speaking; 1 = Black Tswana-speaking). Data were collected using semi-structured interviews, nine months after the disaster, and analysed thematically. The findings... -
Analysis of responses to work-home interaction as measured by the SWING
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Carin Hill --- Department of Industrial Psychology and People Management, South AfricaThe primary objective of this study was to analyse the responses of the Survey Work-home Interaction-Nijmegen – (SWING) using the Rasch measurement model. A quantitative, cross-sectional research design was used. Paper-and-pencil copies of the SWING were distributed to heterosexual working... -
Authentic leadership, psychological capital, job satisfaction and intention to leave in state-owned enterprises
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Simeon Amunkete --- Optentia Research Focus Area, South Africa Sebastiaan Rothmann --- Optentia Research Focus Area, South AfricaThis study investigated the relations among authentic leadership, psychological capital, job satisfaction and intention to leave within state-owned enterprises in Namibia. Participants were a convenience sample of 452 employees (females = 49.6%, mean age = 37.36, SD = 8.57) state-owned enterprises in Namibia. They completed the... -
The dimensionality of the Work Related Flow Inventory (WOLF): a South African study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ita Geyser --- School of Tourism and Hospitality Management, South Africa Madelyn Geldenhuys --- Industrial Psychology and People Management, South Africa Freddie Crous --- Industrial Psychology and People Management, South AfricaThe objective of this study was to validate and explore the factor structure of the Work-Related Flow Inventory (WOLF) as a measure of flow within the South African work context. The sample consisted of N = 415 employees from various organisations in... -
Personality and job satisfaction: their role in work-related psychological well-being
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Natalie Jones --- Department of Industrial Psychology and People Management, South Africa Carin Hill --- Department of Industrial Psychology and People Management, South Africa Carolina Henn --- Department of Industrial Psychology and People Management, South AfricaThis study investigated the role of work related psychological well-being in the relationship between personality and job satisfaction. Participants were 207 (females = 58.9%, blacks = 20.3%, white = 64.3%, Indian = 7.7% and Coloured = 6.8%) employees of various South African organisations. The participants completed the Ryff's Scale of... -
Perceived organisational support influences on job satisfaction and organisational commitment among junior academic staff members
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Fumani Donald Mabasa --- Department of Business Management, South Africa Hlanganipai Ngirande --- Department of Human Resource Management, South AfricaThis study investigated the relationship between perceived organisational support, employee job satisfaction and organisational commitment among junior academic staff of a South African higher education institution (N =70; female = 41 .4%; masters qualification = 85 .7%). Participants completed a... -
Patient satisfaction during and following procedural sedation for ambulatory surgery
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Cherese Lapere --- University of the Western Cape, South Africa James Roelofse --- University of the Western Cape, South Africa Yusof Omar --- University of the Western Cape, South Africa Andre du Plessis --- Eastman Dental Institute, UK Andre von Backstrom --- Sedation Solutions, UK Will Botha --- Sedation Solutions, UK Craig Cook --- Sedation Solutions, UK Gideon Bosch --- Sedation Solutions, UKBackground: Patient satisfaction is multidimensional. The clinician’s perspective of a good outcome and the patient’s experience of a satisfactory service are often two different end-points. The primary aim of our study was to assess the perioperative experience of patients undergoing... -
Common adverse cutaneous drug reaction patterns and the causative drugs in Malaysia
Item type: Journal Article • Journal: South African Family Practice • Authors: NH Talib --- Kelinik Kesihatan Tengkera, Malaysia M Leelavathi --- Department of Family Medicine, Faculty of Medicine, Malaysia Z Hamzah --- Department of Family Medicine, Faculty of Medicine, MalaysiaBackground: Patients with adverse cutaneous drug reactions (ACDRs) are frequently referred from primary care to tertiary centres for further management. This causes a loss of information regarding ACDRs as these patients discontinue primary care follow-up upon referral to tertiary care... -
Growth Performance of Two Crossbred Rabbit Genotypes Fed Two Levels of Dietary Protein
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: O. M. Momoh --- Department of Animal Breeding and Physiology, H. U. Unung --- Department of Animal Breeding and Physiology, S. Attah --- Department of Animal Production, NigeriaA study was undertaken in which two crossbred rabbit genotypes were fed two levels of dietary crude protein with the objectives of assessing and comparing their growth performances as well as investigate any possible genotype × protein level interaction. Twenty-four... -
Agronomic performance of new cream to yellow-orange sweetpotato cultivars in diverse environments across South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sunette M Laurie --- Agricultural Research Council–Roodeplaat Vegetable and Ornamental Plant Institute (ARC-VOPI), South Africa Sidwell S Tjale --- Agricultural Research Council–Roodeplaat Vegetable and Ornamental Plant Institute (ARC-VOPI), South Africa Andre A van den Berg --- Agricultural Research Council–Roodeplaat Vegetable and Ornamental Plant Institute (ARC-VOPI), South Africa Musa M Mtileni --- Agricultural Research Council–Roodeplaat Vegetable and Ornamental Plant Institute (ARC-VOPI), South Africa Maryke T Labuschagne --- Department of Plant Sciences, South AfricaSweetpotato is grown in diverse environments of South Africa by both commercial and subsistence farmers. The aim of the present study was to assess the stability, agronomic performance and palatability of new ARC cultivars bred for the informal market, and... -
‘Racism and ethnicity’: Reflections on the debatable permanence of terminology
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: R. D. Coertze --- School of Law, University of South Africa,The concepts of biological and social race currently have debatable value. The first has lost much of its former validity through the increase in our knowledge of the genetic characteristics of humankind. This new knowledge does not support the older... -
Racism as epithet in the context of post-apartheid's demographic parity goals
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Andrew Spiegel --- University of Cape Town,Nearly twenty years after the capitulation of the apartheid state, South Africa's post-apartheid government continues to find it necessary to seek means to direct change in the demographic profile of the country's leading institutions towards a situation where it reflects... -
Decency and exclusion: a symbolic interpretation of post-displacement discriminatory discourse in De Doorns, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Nicola M. Hugo --- University of Stellenbosch, South AfricaFrom 14–17 November 2009 an estimated 3000 Zimbabweans were violently and forcefully displaced from their dwellings in a rural farming area, De Doorns, in the Western Cape, South Africa. This study looks into a discourse of decency to contribute, through... -
Kelp gulls prey on the eyes of juvenile Cape fur seals in Namibia
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AJ Gallagher --- Leonard and Jayne Abess Center for Ecosystem Science and Policy, USA ER Staaterman --- Rosenstiel School of Marine and Atmospheric Sciences, USA N Dreyer --- Sandwich Harbour 4×4, NamibiaThe kelp gull Larus dominicanus is an abundant and highly successful avian predator and scavenger that breeds along the coastline in the Southern Hemisphere, ranging from Antarctica to the tropics. On account of its dietary breadth, wide-ranging foraging strategies, and... -
ART patients’ satisfaction level regarding comprehensive HIV and AIDS care management and antiretroviral treatment programme in pretoria
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: Mmbangiseni Magoro --- Gauteng Hospital, Department of Health, Muhammad Hoque --- Department of Public Health, Hendry van der Heever --- Department of Public Health,The purpose of this cross- sectional study was to investigate patients’ satisfaction levels regarding access to, and quality of, comprehensive human immunodefciency virus (HIV) and acquired immune defciency syndrome (AIDS) care management and antiretroviral treatment programme (CCMT). A total of... -
Geotechnical properties of non-crystalline coastal plain sand derived lateritic soils from Ogua, Niger Delta, Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Gabriel Oladapo Adeyemi --- Department of Geology, Lekan Olatayo Afolagboye --- Department of Geology, Alexandra Chinwenwa Chukwuemeka --- Department of Geology,Lateritic soils derived from coastal plain sands around Ogua, Niger Delta in Nigeria, were investigated with a view to elucidate their geotechnical characteristics, which may have influence on their engineering applications. The geotechnical properties of these soils (their compaction parameters,... -
Opportunistic breeding in the Cape spiny mouse (Acomys subspinosus)
Item type: Journal Article • Journal: African Zoology • Authors: P.A. Fleming [AN0001] S.W Nicolson --- Department of Zoology and Entomology, South AfricaThe relationship between Protea humiflora and its small mammal pollinators was investigated at the fynbos/karoo ecotone in the Riviersonderend Mountains, South Africa. Acomys subspinosus occurred in low densities at Jonaskop, with around 3.9 ± 2.0 (mean ± 1 S.D.) individuals/ha... -
Near-shore distribution of Heaviside’s (Cephalorhynchus heavisidii) and dusky dolphins (Lagenorhynchus obscurus) at the southern limit of their range in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: S.H. Elwen --- Mammal Research Institute, University of Pretoria, South Africa M. Thornton --- Mammal Research Institute, University of Pretoria, 0001 Pretoria c/o Iziko South African Museum, South Africa D. Reeb --- Mammal Research Institute, University of Pretoria, South Africa P.B. Best --- Mammal Research Institute, University of Pretoria, 0001 Pretoria c/o Iziko South African Museum, South AfricaPhoto-identification surveys over three years along 390 km of coastline north of Cape Town, revealed that Heaviside’s dolphin distribution was consistent between years and higher in areas more exposed to swells and with greater long-term availability of small hake Merluccius... -
Farmers’ choice of cattle marketing channels under transaction cost in rural South Africa: a multinomial logit model
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Jorine T Ndoro --- Agricultural Extension and Rural Resource Management Programme, South Africa Maxwell Mudhara --- African Centre for Food Security, South Africa Michael Chimonyo --- Department of Animal and Poultry Science, South AfricaThis study applied a transaction cost approach to the analysis of cattle marketing behaviour among smallholder farmers in communal land areas of KwaZulu-Natal, South Africa. The objective was to test the effects of information, negotiation, and monitoring costs on the... -
Risk factors of HIV infection among farm workers at Rattray Arnold Research Farm in Goromonzi district, Zimbabwe: a qualitative study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Mavis Soko --- Faculty of Commerce, Harare Stanzia Moyo --- Centre for Population Studies, Harare Oswell Rusinga --- Department of Sociology and Social Anthropology, Alfred Zvoushe --- Ministry of Primary and Secondary Education, ZimbabweNotwithstanding the generally declining levels of HIV in Zimbabwe, HIV prevalence remains exceedingly high in commercial farms. Risky sexual practices underpinned by poverty, unreliable supply of condoms and lack of entertainment are the major underlying factors facilitating the spread of... -
Using Rasch modelling to examine the international personality item pool (IPIP) values in action (VIA) measure of character strengths
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Graham A. du Plessis --- Department of Psychology, South Africa Gideon P. de Bruin --- Department of Psychology, South AfricaThis paper investigates the psychometric properties of the values in action (VIA) character strengths (Peterson and Seligman, 2004). A sample of 904 South African undergraduate students (female=77%, male=23%, black=70%, mean age=21.07 years, SD age=2.73 years) was assessed using a 380-item... -
Work-to-family enrichment: Influences of work resources, work engagement and satisfaction among employees within the South African context
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marissa De Klerk --- WorkWell Research Unit, North-West University, Potchefstroom Campus, South Africa Jan Alewyn Nel --- WorkWell Research Unit, North-West University, Potchefstroom Campus, South Africa Eileen Koekemoer --- WorkWell Research Unit, North-West University, Potchefstroom Campus, South AfricaThe aim of this study was to investigate the relationship of work resources, work-to-family enrichment, engagement and job satisfaction among employees in the South African context. Data were collected from 627 participants (females=67%, Afrikaans or English speakers=81.8%). The analysis utilised... -
Using synergistic exogenous phytohormones to enhance somatic embryogenesis from leaf explants of a Eucalyptus grandis clone
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Muhammad Nakhooda --- Department of Biotechnology and Consumer Sciences, South Africa Eshani Mandiri --- School of Life Sciences, South AfricaSomatic embryogenesis (SE) in Eucalyptus spp. has been limited to germinated seeds, flowers, lignotubers or zygotic embryos. The low yield of somatic embryos from leaf explants has hampered progress, even though leaves offer a more viable source of clonal explants... -
Molecular detection and characterisation of mumps virus in cerebrospinal fluid in a Gauteng laboratory
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: Marieke Brauer --- Faculty of Health Sciences, Department of Medical Virology, South Africa Marianne Wolfaardt --- Faculty of Health Sciences, Department of Medical Virology, South Africa Lynne M Webber --- Faculty of Health Sciences, Department of Medical Virology, South Africa Maureen B Taylor --- Faculty of Health Sciences, Department of Medical Virology, South AfricaThe study aimed to determine the presence of mumps virus (MuV) in cerebrospinal fluid (CSF) specimens and to genetically characterise detected MuV strains. A real-time reverse transcription-polymerase chain reaction (RT-PCR) was used to detect the MuV F gene, and characterisation... -
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... -
Carbon stocks of the terraces of the Lower Tana River floodplain and delta, Kenya, prior to conversion for biofuel production
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: LV Mukhwana --- Kenya Wetlands Biodiversity Research Team (KENWEB), Kenya Q Luke --- Kenya Wetlands Biodiversity Research Team (KENWEB), Kenya E Delmas --- Kenya Wetlands Biodiversity Research Team (KENWEB), Kenya K Otoi --- Kenya Wetlands Biodiversity Research Team (KENWEB), Kenya O Hamerlynck --- Kenya Wetlands Biodiversity Research Team (KENWEB), Kenya L Vandepitte --- Flanders Marine Institute (VLIZ), Belgium B Adkins --- Dadacha Consulting Ltd, KenyaFew studies have addressed the terraces adjacent to the Tana River and delta. In May 2012 a survey assessed the woody vegetation of the terraces in anticipation of their conversion to a biofuel farm. The 64 000 hectares targeted by... -
Job satisfaction of South African registered dietitians
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: J. Visser --- Division of Human Nutrition, A. Mackenzie --- Division of Human Nutrition, D. Marais --- Division of Human Nutrition, UKObjectives: The aim of this study was to determine the overall level of job satisfaction among South African registered dietitians and possible relationships between the influencing factors. -
Patient satisfaction with medical consultations among adults attending Mulago hospital assessment centre
Item type: Journal Article • Journal: South African Family Practice • Authors: Angella Kabatooro --- Department of Family Medicine, Uganda Fred Ndoboli --- Department of Family Medicine, Uganda Jane Namatovu --- Department of Family Medicine, UgandaBackground: Patient satisfaction is known to positively influence patients’ compliance with medical advice. In Africa, and specifically Uganda, this interaction has rarely been put to scientific inquiry. This study aimed to determine the level of patient satisfaction and identify factors... -
Household hunger, standard of living and satisfaction with life in Alice, South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nicole Marguerite Dodd --- Department of Industrial Psychology (Military),The objective of this study was to investigate the relationships between household hunger, standard of living and satisfaction with life in a rural South African setting. Respondents were 442 randomly selected community dwellers from Alice, in the Eastern Cape (Xhosa... -
Current distribution, breeding population and habitat use of the globally threatened Grey-necked Picathartes Picathartes oreas in south-eastern Nigeria: a call for conservation action
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Fidelis Akunke Atuo --- Department of Natural Resource Ecology and Management, USA Samuel T Ivande --- AP Leventis Ornithological Research Institute (APLORI), Nigeria Zingfa J Wala --- AP Leventis Ornithological Research Institute (APLORI), Nigeria Shiiwa Manu --- AP Leventis Ornithological Research Institute (APLORI), Nigeria Timothy J O’Connell --- Department of Natural Resource Ecology and Management, USAThe Grey-necked Picathartes Picathartes oreas is a globally threatened bird species in Africa with a wild population of less than 10,000 individuals. The Nigerian population, which has been poorly studied, is restricted to the forest of Cross River. This study... -
Testing for the occurrence of pilchard herpesvirus (PHV) in South African sardine Sardinops sagax
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BM Macey --- Branch: Fisheries Management, Department of Agriculture, South Africa KW Christison --- Branch: Fisheries Management, Department of Agriculture, South Africa J de Goede --- Branch: Fisheries Management, Department of Agriculture, South Africa L Hutchings --- Marine Research Institute and Department of Biological Sciences, South Africa CD van der Lingen --- Branch: Fisheries Management, Department of Agriculture, South AfricaCatches of South African sardine Sardinops sagax have declined in recent years from about 200 000 t harvested annually during the period 2002–2006 to less than 100 000 t. Consequently, some companies are now importing sardine from sources elsewhere in... -
Do long memory and asymmetries matter when assessing downside return risk?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Nico Katzke --- Economics Department, South Africa Chris Garbers --- Economics Department, South AfricaIn this paper we set out to test whether, on sector level, returns series in South Africa exhibit long memory and asymmetries and, more specifically, whether these effects should be accounted for when assessing downside risk. The purpose of this... -
Positive Impact of Entrepreneurship Training on Entrepreneurial Behavior in a Vocational Training Setting
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Michael M. Gielnik --- Leuphana Universität Lüneburg, Germany Michael Frese --- National University of Singapore School of Design and Environment, Singapore Kim Marie Bischoff --- Leuphana Universität Lüneburg, Germany Gordon Muhangi --- Nakawa Vocational Training Institute, Uganda Francis Omoo --- Nakawa Vocational Training Institute, UgandaUnemployment among youths is a serious problem in many African countries. Researchers and politicians alike consider entrepreneurship to be part of the solution to the high unemployment rates. In this study, we present the conceptual basis of an action-oriented entrepreneurship... -
Happiness and life satisfaction in Rwanda
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kayonda Hubert Ngamaba --- School of Psychological Sciences, United KingdomThis study investigated predictors of happiness and life satisfaction in Rwanda. Data from the World Values Survey and gathered from 3 030 Rwandese (age ranging 16 to 90 years, mean age = 34.2, SD = 12.7; females = 50.5%) were... -
Burnout, compassion fatigue and compassion satisfaction among nurses in the context of maternal and perinatal deaths
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Teresa-Anne Bagakilwe Mashego --- Department of Clinical Psychology, South Africa Davhana Stanley Nesengani --- Department of Obstetrics and Gynaecology, South Africa Thembelihle Ntuli --- Research Development and Administration, South Africa Gail Wyatt --- Department of Behavioral Medicine, United States of AmericaThis study investigated the prevalence and levels of burnout, compassion fatigue and compassion satisfaction among nurses with exposure to maternal and perinatal deaths. A convenience sample of 83 nurses was selected for participation from six hospitals in Limpopo province, South... -
Mindfulness and psychological well-being among black South African university students and their relatives
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Werner Nell --- Optentia Research Focus Area, South AfricaThis study investigated the relationship between mindfulness and psychological well-being in a convenience sample of black South African students (n = 203) and their parents and other relatives (n = 204) (66.1% = female; age range 18–73). The students self-reported... -
Reading the guest by means of facial expressions
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Jannick Boelens --- Stenden Hotel Management School, The Netherlands‘Reading the guest’ refers to the ability to detect and interpret the body language and facial expressions of a guest. A battery of tests was developed to test whether it is possible to accurately read and assess the needs and... -
The Strategic Employment Experience (SEE) Matrix
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Michael Njingu Chibili --- Stenden Hotel Management School, The NetherlandsA new tool was developed and tested for the assessment and evaluation of job satisfaction within organisations. The tool is based on Herzberg's two-factor theory, and measures the performance and the importance of motivators and hygiene factors within the work... -
How to develop student-centred management cases
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Klaes Eringa --- Stenden University of Applied Sciences, The Netherlands Perry Yi Jin --- Stenden University of Applied Sciences, The NetherlandsCase studies are very popular in management education. Many case studies, however, are written at a level that is beyond the understanding of their target audience and therefore fail to do what they are intended for. The present study examines... -
The impact of transactional versus transformational leadership on job satisfaction in the hotel industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Irene Spitzbart --- Stenden Hotel Management School, The NetherlandsThis study examines the impact of transactional versus transformational leadership on job satisfaction. Data was collected through a 69-item questionnaire for employees and a 70-item questionnaire for leaders to investigate their perceptions of their own leadership style and those of... -
Can a luxury hotel compete without a spa facility?—Opinions from senior managers of London's luxury hotels
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Andy Heyes --- Hospitality Management, University of Derby, United Kingdom Colin Beard --- Sheffield Business School, Sheffield Hallam University, United Kingdom Sjoerd Gehrels --- Academy of International Hospitality Research, Stenden University of Applied Sciences, The NetherlandsThe development of the wellness facility within the luxury hotel sector around the world has been evident, with many professionals believing that spas are an expected element within luxury hotels. This paper has been written to provide further consideration for... -
Achieving preferred customer status in the Dutch plastics recycling industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Klaes Eringa --- Stenden Hotel Management School, The Netherlands Rink Groenveld --- School of Commerce, The NetherlandsThe aim of this research is to gain insight into the aspects and processes in the Dutch plastic recycling industry which might lead to a preferred customer status and acquiring benefits once the status has been reached. The whole process... -
Problem-based learning in the first or second language: Does it make a difference?
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Dirk Humalda --- Stenden Hotel Management School, The Netherlands Wichard Zwaal --- Stenden Hotel Management School, Academy of International Hospitality Research, The NetherlandsProblem-based learning (PBL) is the key didactic approach in the curriculum of the Stenden Hotel Management School. Real-world problems are used to activate prior knowledge and to trigger a learning process aimed at expanding and elaborating students’ understanding and competences... -
Caregiver satisfaction with a multidisciplinary community-based rehabilitation programme for children with cerebral palsy in South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: Magugu Ngubane --- Discipline of Physiotherapy, South Africa Verusia Chetty --- Discipline of Physiotherapy, South AfricaThis study sought to determine the levels of satisfaction and experiences of caregivers with a multidisciplinary rehabilitation programme. A total of 26 caregivers were recruited at 3 health settings in South Africa. A survey based on the Multidimensional Assessment of... -
Antecedents of flourishing at work in a fast-moving consumer goods company
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Cindy Rautenbach --- Optentia Research Focus Area, South Africa Sebastiaan Rothmann --- Optentia Research Focus Area, South AfricaThe aims of this study were to investigate antecedents of flourishing in the workplace. A cross-sectional survey design was used with a stratified random sample of 779 employees in a fast-moving consumer goods company in South Africa (females = 40.4%,... -
The global innovation networks and global production networks of firms: Conceptualization and implication
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ju Liu --- Department of Urban Studies, SwedenToday’s developments in the literature about the global networks of firms emphasize not only global production networks (GPNs) but also global innovation networks (GINs). However, the differences, commonalities and interaction between firms’ GINs and GPNs have not been theoretically and... -
Univariate tests of momentum on the JSE
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Daniel Page --- Finance Division, School of Economic & Business Sciences, South Africa Christo Auret --- Finance Division, School of Economic & Business Sciences, South AfricaThis study intends to test whether medium-term price momentum is present on the cross-section of shares listed on the JSE. Using the methodology of Jegadeesh and Titman (1993; 2001), shares are sorted applying four estimation periods (E = 3, 6,... -
The influence of the wheat rhizosphere on phosphorus desorption kinetics in calcareous soils amended with municipal sewage sludge
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Tahereh Raiesi --- Horticultural Science Research Institute, Iran Alireza Hosseinpur --- Department of Soil Science, College of Agriculture, Iran Bijan Moradi --- Horticultural Science Research Institute, IranPlant growth in arid environments is limited by phosphorus (P) availability because of the low concentration of P in the soil solution. In addition, soil processes in the rhizosphere affect the mineral nutrition of plants. Thus, greenhouse and laboratory experiments... -
Public perceptions about renewable energy technologies in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Rosemary N. Wojuola --- School of Education, South Africa Busisiwe P. Alant --- School of Education, South AfricaGlobally, there is a focus on generating energy from renewable energy sources in order to ensure sustainability. However, experience has shown that although the public generally accepts renewable energy technology (RET), there is also opposition to its implementation. Renewable energy... -
Utilization of pulverized cow bone (PCB) for stabilizing lateritic soil for road work
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Adeyemi Adeboje --- Department of Civil Engineering, South Africa Williams Kupolati --- Department of Civil Engineering, South Africa Rotimi Sadiku --- Department of Chemical, Metallurgical and Materials Engineering, South Africa Julius Ndambuki --- Department of Civil Engineering, South Africa Dolapo Yussuf --- Department of Civil and Environmental Engineering, Nigeria Chewe Kambole --- Department of Civil Engineering, South AfricaThis research explored the possibility of improving the engineering properties of lateritic soil with pulverized cow bone (PCB), a processed animal waste obtained from slaughtered cows, for road construction. The effects of PCB on the lateritic soil samples were evaluated... -
Psychometric validation of the Flourishing-at-Work Scale – Short Form (FWS-SF): Results and implications of a South African study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Cindy Rautenbach --- Optentia Research Focus Area, South Africa Sebastiaan Rothmann --- Optentia Research Focus Area, South AfricaThe aim of this study was to validate the Flourishing-at-Work Scale Short Form (FWS-SF) in a South African fast-moving consumable goods industry. Participants were a stratified random sample of 779 employees of an alcoholic beverage company (female = 40.4%, black... -
Psychometric properties of the Psychological Flourishing Scale in an Egyptian setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marei Salama-Younes --- Department of Psychology, Sociology and Evaluation in Sport Field, EgyptThe specific goals of the present research were twofold: i) to test the structure validity, and internal reliability of scores from the Psychological Flourishing Scale (PFS) with Egyptian college students; and ii) to test the PFS’s temporal stability and convergent... -
Comparison of wood, fibre and vessel properties of drought-tolerant eucalypts in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Sven-Olof Lundqvist --- Innventia AB, Sweden Thomas Grahn --- Innventia AB, Sweden Lars Olsson --- Innventia AB, Sweden Thomas Seifert --- Department of Forest and Wood Science, South AfricaThree drought-tolerant eucalypt genotypes have been investigated for a broad spectrum of properties to provide a basis for comparison on their suitability for various end-uses. The genotypes included were a Eucalyptus grandis × E. camaldulensis hybrid, E. gomphocephala and E... -
The influence of the importance of event factors on meeting planner satisfaction: A case study of a theme park event business
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Jutta Fast --- Stenden Hotel Management School, Academy of International Hospitality Research, The Netherlands Elsbeth de Boer --- Stenden Hotel Management School, Academy of International Hospitality Research, The Netherlands Bill Rowson --- Stenden Hotel Management School, Academy of International Hospitality Research, The NetherlandsThis paper presents data from a research project aimed at identifying how important the different event factors are to the visiting meeting planners and how this might influence guest satisfaction. The focus for the researchers was to get an overall... -
Constrained relationship agency as the risk factor for intimate partner violence in different models of transactional sex
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Rebecca Fielding-Miller --- Department of Medicine, USA Kristin Dunkle --- South African Medical Research Council, South AfricaWomen who engage in transactional sex are more likely to experience intimate partner violence (IPV) and are at higher risk of HIV. However, women engage in transactional sex for a variety of reasons and the precise mechanism linking transactional sex... -
Gendered childcare norms — evidence from rural Swaziland to inform innovative structural HIV prevention approaches for young women
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Pinky N Shabangu --- Independent community-based researcher, Swaziland Michelle R Brear --- Faculty of Medicine Nursing and Health Sciences, Jean Hailes Research Unit, School of Public Health and Preventive Medicine, AustraliaAddressing discriminatory gender norms is a prerequisite for preventing HIV in women, including young women. However, the gendered expectation that women will perform unpaid childcare-related labour is rarely conceptualised as influencing their HIV risk. Our aim was to learn from... -
Economic and psychological burden of scheduled surgery cancellation in a sub-Saharan country (Burkina Faso)
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Martin Lankoandé --- Department of Anaesthesiology and Intensive Care, Burkina Faso Papougnézambo Bonkoungou --- Department of Anaesthesiology and Intensive Care, Burkina Faso Bertille K Ki --- Department of Anaesthesiology, Burkina Faso Armel Flavien R Kaboré --- Department of Anaesthesiology and Intensive Care, Burkina Faso Edgar Ouangré --- General and Digestive Surgery, Burkina Faso Yacouba Savadogo --- General Medicine, Burkina Faso Cheik Thw Bougouma --- Department of Anaesthesiology and Intensive Care, Burkina Faso Joachim Sanou --- Department of Anaesthesiology and Intensive Care, Burkina Faso Nazinigouba Ouedraogo --- Department of Anaesthesiology and Resuscitation, Burkina Faso Phillipe Pendeville --- Department of Anaesthesiology, BelgiumBackground: Cancellation of scheduled surgery creates a financial burden for hospitals, caregivers and patients. Cancellation causes emotional stress, which impacts on outcomes. In poor countries where the adequacy of healthcare is limited, the ethical dilemma created by scheduled surgery cancellation... -
A practical guide to the interpretation of PK/PD profiles of longer-acting analogue insulins. Part one: The principles of glucose clamp studies
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Oppel BW Greeff --- Department of Pharmacology, South Africa Jacob John van Tonder --- Triclinium Clinical Development (Pty) Ltd, South Africa Kershlin Naidu --- Department of Internal Medicine, South Africa Alicia McMaster --- Sanofi-Aventis South Africa (Pty) Ltd, South Africa Alet van Tonder --- Sanofi-Aventis South Africa (Pty) Ltd, South Africa Rashem Mothilal --- Sanofi-Aventis South Africa (Pty) Ltd, South AfricaGlucose clamp studies are used to determine pharmacokinetics (PK) and pharmacodynamics (PD) of analogue insulins. With the development of longer-acting basal analogue insulins, including glargine 300 (Gla-300) and insulin degludec (IDeg), results from numerous glucose clamp studies are readily available... -
Retrospective clinical analysis of adverse drug reactions associated with antiretroviral therapy in Tlokwe district, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: Rentia van Graan --- Centre of Excellence for Pharmaceutical Sciences (PharmaCen), Division of Pharmacology, South Africa Michelle Viljoen --- Centre of Excellence for Pharmaceutical Sciences (PharmaCen), Division of Pharmacology, South Africa Malie Rheeders --- Centre of Excellence for Pharmaceutical Sciences (PharmaCen), Division of Pharmacology, South Africa Fadeela Motara --- Potchefstroom Hospital, Pharmacy, South AfricaBackground: South Africa has the highest number of patients on antiretroviral therapy (ART) globally. Various obstacles were identified that influence effective reporting of adverse drug reactions (ADRs) in resource-limited countries. This investigation aimed to identify, classify and analyse the prevalence... -
Self-employability Initiative: Developing a Practical Model of Disabled Students' Self-employment Careers
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Reuel Johnmark Dakung --- Faculty of Management Sciences, Department of Business Administration, Nigeria John C. Munene --- Faculty of Graduate Studies and Research, Uganda Waswa Balunywa --- Department of Entrepreneurship, Uganda Laura Orobia --- Department of Accounting and Finance, Uganda Mohammed Ngoma --- Faculty of Graduate Studies and Research, UgandaThis study investigated the self-employability initiatives of disabled university students by presenting a model that would allow the concept to be explained and used easily as a framework for working with students to develop their self-employment careers. A cross-sectional survey... -
Predatory pelagic fishes of the Bijagós Archipelago (Guinea-Bissau) show high overlap in diets dominated by sardinella
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: E Correia --- Centro de Estudos do Ambiente e do Mar (CESAM), Departamento de Biologia Animal, Portugal JP Granadeiro --- Centro de Estudos do Ambiente e do Mar (CESAM), Departamento de Biologia Animal, Portugal A Regalla --- Instituto da Biodiversidade e das Áreas Protegidas da Guiné-Bissau (IBAP), Guinea-Bissau E Dias --- Instituto da Biodiversidade e das Áreas Protegidas da Guiné-Bissau (IBAP), Guinea-Bissau A Almeida --- Centro de Investigação Pesqueira Aplicada (CIPA), Guinea-Bissau P Catry --- Marine and Environmental Sciences Centre (MARE), PortugalKnowledge of trophic interactions between the key components of marine communities is required to understand food-web dynamics and develop ecosystem-based management approaches. In West Africa, where fisheries sustain the livelihoods of a significant part of the human population, this understanding... -
Primary Health Care in South West Nigeria: Evaluating service quality and patients' satisfaction
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Omoseni O. Adepoju --- School of Management Technology, Nigeria Zacheus Opafunso --- School of Management Technology, Nigeria Modupe Ajayi --- School of Management Technology, NigeriaPrimary health care (PHC) is a fundamental, cost-effective approach in delivering essential healthcare services to achieve quality life for all. This study assesses service quality and patient satisfaction in the PHC sector in South West Nigeria. A multi-stage sampling approach... -
An evaluation of personality traits associated with job satisfaction among South African anaesthetists using the Big Five Inventory
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: P Kisten --- Department of Anaesthesiology, South Africa H Kluyts --- Department of Anaesthesiology, South AfricaBackground: Job satisfaction is a vital contributor to occupational well-being and may be instrumental in mitigating stress and the adverse effects thereof. This is particularly pertinent in anaesthesiology, which is an inherently stressful field. There are myriad factors, including personality... -
Ethical climate influences on employee commitment through job satisfaction in a transport sector industry
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jeremy Mitonga-Monga --- Department of Industrial Psychology and People Management, South AfricaThis study examined the extent to which an ethical climate moderates the relationship between job satisfaction and perceptions of organisational commitment. The study sample consisted of 839 employees of a railway organisation in the Democratic Republic of Congo (DRC) (women... -
Organisational climate, job satisfaction, and leadership style influences on organisational commitment among South African soldiers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Thulile N. Makhathini --- Department of Industrial Psychology, Faculty of Military Sciences, South Africa Gideon A.J. Van Dyk --- Department of Industrial Psychology, Faculty of Military Sciences, South AfricaThe study examined the extent to which organisational climate, job satisfaction, and leadership styles influences organisational commitment among South African soldiers. Study participants were 150 military personnel (41% females, 32% privates, 35% Non-Commissioned Officers (NCOs), age range 24 to 64)... -
Dissimilar stem and leaf hydraulic traits suggest varying drought tolerance among co-occurring Eucalyptus grandis × E. urophylla clones
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Casparus J Crous --- Department of Plant and Soil Sciences, South Africa Izette Greyling --- Department of Microbiology and Plant Pathology, South Africa Michael J Wingfield --- Department of Plant and Soil Sciences, South AfricaIn South Africa, there is currently a phenomenon where a Eucalyptus grandis × E. urophylla clone is dying on a large scale, whereas co-occurring clones in the same plantation area remain healthy. No primary biotic pathogen has been isolated from... -
Effective interactions: Communication and high levels of marital satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kobus du Plooy --- Institute of Psychology & Well-being (IPW), School for Psychosocial Health, South Africa Ronél de Beer --- Community Psychosocial Health (COMPRES), School for Psychosocial Health, South AfricaOf all the significant relationships in the lives of human-beings, the marital relationship remains one of the most central and important to their well-being. For this rapid review the authors accessed four online databases (PsycINFO, PsychARTICLES, JSTOR Journals, and ScienceDirect)... -
Predicting staff retention from employee motivation and job satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Michelle De Sousa Sabbagha --- Department of Industrial and Organisational Psychology, South Africa Ophillia Ledimo --- Department of Industrial and Organisational Psychology, South Africa Nico Martins --- Department of Industrial and Organisational Psychology, South AfricaThis study investigated the role of employee motivation and job satisfaction as predictors of staff retention in a foreign exchange bank. Participants were 341 employees of a South African foreign exchange bank division (female = 62.8%; black = 31.1%; managers = 37%, mean years of experience = 10... -
Perceived social support and life satisfaction among freshmen: Mediating roles of academic self-efficacy and academic adjustment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Abimbola A. Akanni --- Department of Psychology, South Africa Choja A. Oduaran --- Department of Psychology, South AfricaThis study investigated the mediating roles of academic self-efficacy and academic adjustment in the relationship between perceived social support and life satisfaction among Nigerian university freshmen. A total of 621 beginning university students (females = 50.4%, mean age = 19.67years,... -
Habitat utilisation and nesting behaviour of two sympatric weavers in Mbalmayo District, Cameroon
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Abubakari Said Mgelwa --- College of Life Sciences, China Abadi Mehari Abrha --- Department of Wildlife and Ecotourism Management, Ethiopia Zabibu Kabalika --- College of Natural Resources Management and Tourism, Tanzania Simon Awafor Tamungang --- Laboratory of Applied Ecology and Biology, Department of Animal Biology, Cameroon Amare Gebre Medhin Nigusse --- Institute of Geo-Information and Earth Observation Sciences, Department of Geo-Information and Earth Observation Sciences for Natural Resource Management, EthiopiaAvian ecology and behaviour data provides crucial information for bird conservation and management, but are still missing for many species, particularly in developing countries. This study examines habitat utilisation, nesting behaviour, anthropogenic disturbances and impacts on agricultural crops of Village... -
Innovative solutions and women empowerment: Implications for sustainable development goals in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yetunde A. Aluko --- Nigerian Institute of Social and Economic Research (NISER), Nigeria Oluwakemi B. Okuwa --- Nigerian Institute of Social and Economic Research (NISER), NigeriaThis paper presents an analysis of patterns of university interaction for innovation that engenders inclusive development in Nigeria. Specifically, it explains innovative solutions for women empowerment that occurred through interaction between the University of Ibadan and the Ile-Ogbo community and... -
The relationship between existential attitudes and professional quality of life among nursing students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Henry D. Mason --- Directorate of Higher Education Development and Support, South AfricaThis study examined the relationship between existential attitudes and professional quality of life among a sample of South African nursing students (N = 150; mean age = 21.19, SD = 2.77; female = 90%). The student nurses completed the Life... -
Organisation climate mediation of the relationship between hardiness, self-efficacy, and job satisfaction among military followers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Palesa Luzipo --- Department of Industrial Psychology, Faculty of Military Sciences, South Africa Gideon Van Dyk --- Department of Industrial Psychology, Faculty of Military Sciences, South AfricaThis study examined influences of organisational climate on hardiness, self-efficacy, and job satisfaction in a military setting. Data were collected from 120 South African National Defence Force (SANDF) military personnel (female = 36%; officers = 90%; age range = 24–64... -
A practical guide to the interpretation of PK/PD profiles of longer-acting analogue insulins. Part two: Insulin degludec vs. insulin glargine U300
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Oppel Bw Greeff --- Department of Pharmacology, South Africa Jacob John van Tonder --- Triclinium Clinical Development (Pty) Ltd, South Africa Kershlin Naidu --- Department of Internal Medicine, South Africa Alicia McMaster --- Sanofi-Aventis South Africa (Pty) Ltd, South Africa Alet van Tonder --- Sanofi-Aventis South Africa (Pty) Ltd, South Africa Rashem Mothilal --- Sanofi-Aventis South Africa (Pty) Ltd, South AfricaGlucose clamp studies form an integral part of the early development of insulin therapies. Data generated in these studies are used to establish pharmacokinetic (PK) and pharmacodynamic (PD) profiles of the agents, but methodological differences confound comparison of results from... -
Suppression of the aquatic weed Hydrilla verticillata (L.f.) Royle (Hydrocharitaceae) by a leaf-cutting moth Parapoynx diminutalis Snellen (Lepidoptera: Crambidae) in Jozini Dam, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: A Bownes --- Agricultural Research Council Plant-Protection Research Institute (ARC-PPRI), South AfricaA classical biological control programme against Hydrilla verticillata (L.f.) Royle (Hydrocharitaceae) was initiated in South Africa following the discovery of extensive mats in Jozini Dam in northern KwaZulu-Natal (KZN) in 2006. However, in mid-2008, high densities of a phytophagous insect,... -
Together we stand stronger
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Marco Bevolo --- Academy for Leisure, The Netherlands Anique Gerrits --- Academy for Leisure, The NetherlandsThis is an action research case study investigating social participation roadblocks and opportunities through leisure-related factors for Eritrean refugee status holders in the city of Nijmegen, the Netherlands. The intent of this paper is to report on challenges and opportunities... -
The impact of internal service quality on job satisfaction in the hotel industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Mukhles M. Al-Ababneh --- Department of Hotel and Tourism Management, Jordan Mousa A. Masadeh --- Department of Hotel and Tourism Management, Jordan Firas J. Al-Shakhsheer --- Department of Hotel and Tourism Management, Jordan Ma’moun A. Habiballah --- Department of Hotel and Tourism Management, JordanService quality is a key factor for success in any hotel. Many researchers have conducted studies on service quality, but only a few studies have been conducted on internal service quality (ISQ) in general, and in the hotel industry in... -
Hope, religiosity, and subjective well-being
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Werner Nell --- Optentia Research Focus Area, South Africa Sebastiaan Rothmann --- Optentia Research Focus Area, South AfricaThis study explored the relationship between religiosity, hope, and subjective well-being among 430 South African university students (n = 324) and their family members (n = 104) (70.2% female; 88.4% black; 8.4% white). Data were gathered utilising measures of religiosity,... -
Self-efficacy and its relationship with satisfaction with life and happiness among university students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yolande van Zyl --- Department of Human Resources Management, Faculty of Management Sciences, South Africa Manilall Dhurup --- Department of Human Resources Management, Faculty of Management Sciences, South AfricaThis study set out to examine the relationship between self-efficacy and satisfaction with life and happiness among university students in South Africa. The sample comprised 334 students (female = 222, male = 112, black = 96%, mean age = 23... -
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... -
Acute respiratory distress syndrome following a biphasic anaphylactic reaction to morphine: a case report and review of the literature
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: KU Tobi --- Department of Surgery and Anaesthesiology, University of Namibia, Namibia G Kirenga --- Department of Anaesthesiology, University of Rwanda, Rwanda S Muhmuza --- Department of Anaesthesiology, King Faisal Hospital, Rwanda P Ruhato --- Department of Anaesthesiology, University of Rwanda, RwandaBackground: Biphasic anaphylactic reaction is a variant of the usual and more commonly seen monophasic anaphylactic reaction. However, recently it has been observed that biphasic anaphylactic reaction may not be as uncommon as previously believed. Furthermore, serious and life-threatening complications... -
Corruption, transaction costs, and innovation in Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Laura Barasa --- School of Economics, KenyaThis paper examines the relationship between corruption, transaction costs as measured by asset specificity, and innovation in Africa. We hypothesize that in the context of developing countries in Africa, corruption is positively associated with innovation. In addition, we hypothesize that... -
Personality and work-home interaction among dual-earner couples in South Africa: Testing an actor-partner interdependence model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Carin Hill --- Department of Industrial Psychology and People Management, South Africa Lynne Blunn --- Department of Industrial Psychology and People Management, South AfricaThis study aimed to investigate the effect of personality on work-home interaction crossover effects among dual-earner couples in South Africa. The participants were dual-earner couples (n = 264; 132 couples) with young children. They completed measures on work-home interaction and... -
When life's good: Gendered marital satisfaction and work-pay satisfaction influences on organisational commitment of advancement-career-stage employees
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Chibuzor Uchenna Onuoha --- Population & Health Research Entity, Faculty of the Human Sciences, South Africa Erhabor Sunday Idemudia --- Population & Health Research Entity, Faculty of the Human Sciences, South AfricaWe examined the influences of marital satisfaction and work-pay satisfaction on organisational commitment among advancement-career-stage employees while controlling for gender and a selection of socio-demographics. The sample consisted of 350 workers (females = 237; mean age = 32.44, SD =... -
Dominance hierarchies within different size groupings of Nile tilapia (Oreochromis niloticus) and effects on growth and physiological responses
Item type: Journal Article • Journal: African Zoology • Authors: Kwasi Adu Obirikorang --- , Ghana Anthea Georgina Ama Ofori --- , Ghana Benjamin Apraku Gyampoh --- , GhanaHierarchies are prevalent in social animals and display of aggression by dominant individuals often results in appetite and growth suppressions in lower-ranked fish. This study investigated the effects of dominance hierarchies on growth and some physiological responses in Nile tilapia... -
Inheritance of fruit neck, rind and seed coat hardness, and seed coat colour in bottle gourd
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Nogbou F Amangoua --- UFR des Sciences de la Nature, Breeding and Crop Husbandry Unit, Côte d’Ivoire Kouamé K Koffi --- UFR des Sciences de la Nature, Breeding and Crop Husbandry Unit, Côte d’Ivoire Jean-Pierre Baudoin --- Unité de Phytotechnie Tropicale et d’Horticulture, Gembloux Agro-Bio Tech, Belgium Irié A Zoro Bi --- UFR des Sciences de la Nature, Breeding and Crop Husbandry Unit, Côte d’IvoireBottle gourd (Lagenaria siceraria (Molina) Standl.) is an edible, medicinal and decorative plant exhibiting wide genetic variation for fruit and seed characters, but it remains under-researched. This study assessed inheritance of fruit neck, fruit rind hardness, seed coat hardness and... -
Predictors of life satisfaction among multicultural African families in South Korea
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Il-young Choi --- School of Management, South Korea Hyun-ju Choi --- Department of Cultural & Arts Management, South Korea Jeong-hee Lim --- Research Institute Multicultural Community, South Korea Seung-hye Jung --- School of Dance, South Korea Jae-kyeong Kim --- School of Management, South Korea Joon-ho Kim --- Department of Business Administration, South KoreaThe aim of this study was to predict perceived life satisfaction of multicultural African families living in South Korea in terms of their fluency in the Korean language, government support for education, and the experience of discrimination. A total of... -
Impact of shorebird predation on intertidal macroinvertebrates in a key North African Atlantic wintering site: an experimental approach
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Joulami --- Faculty of Sciences Ben M’sik, Morocco R El Hamoumi --- Faculty of Sciences Ben M’sik, Morocco Z Daief --- Faculty of Sciences Ain Chock, Morocco H Bazairi --- Faculty of Sciences, Morocco RJ Lopes --- Centro de Investigação em Biodiversidade e Recursos Genéticos (CIBIO), InBio Laboratório Associado, PortugalShorebirds, as migratory aquatic birds and top predators in intertidal ecosystems, can be affected by global environmental changes and escalations in local impacts on coastal lagoons and estuarine trophic networks. Many shorebirds winter in North African Atlantic coastal sites, most... -
The attitudes of riparian communities to the presence of water hyacinth in the Wouri River Basin, Douala, Cameroon
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SN Kenfack Voukeng --- Department of Zoology and Entomology, South Africa P Weyl --- Department of Zoology and Entomology, South Africa MP Hill --- Department of Zoology and Entomology, South Africa N Chi --- Watershed Task Group Coordinator (WTG), CameroonSince publication of the first record of Eichhornia crassipes in Cameroon in 1997, the weed has become highly invasive in the Wouri River Basin. Between June and September 2014, a socio-economic survey using participatory and qualitative methods was undertaken in... -
Households’ satisfaction with the healthcare services rendered by a ward-based outreach team in Tshwane district, Pretoria, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: AT Masango Makgobela --- Family Medicine and Primary Health Care Department, Sefako Makgatho Health Sciences University, South Africa JV Ndimande --- Family Medicine and Primary Health Care Department, Sefako Makgatho Health Sciences University, Dr George Mukhari Academic Hospital, South Africa G Ogunbanjo --- Family Medicine and Primary Health Care Department, Sefako Makgatho Health Sciences University, South Africa T Bongongo --- Family Medicine and Primary Health Care Department, Sefako Makgatho Health Sciences University, South Africa SN Nyalunga --- Family Medicine and Primary Health Care Department, Sefako Makgatho Health Sciences University, South AfricaIntroduction: Households’ satisfaction is an important and commonly used indicator for measuring quality in health care. An amelioration of primary health care services at the level of households, by utilising community health workers, has led to a good healthcare system... -
Biomedical healthcare and African traditional healing in the management of HIV and AIDS: complimentary or competing cosmologies?
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Elvis Mendu --- Department of Social Work, South Africa Eleanor Ross --- Centre for Social Development in Africa, South AfricaIn South Africa, African traditional healers and biomedical practitioners play important roles in the management of HIV and AIDS, but provide healthcare services in isolation of each other, despite legislative recognition of both types of healing. An interpretive, qualitative research... -
Beyond the ‘usual suspects’ – Alternative qualitative methods for innovation policy studies
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Nadja Nordling --- Faculty of Social Sciences, Finland Rhiannon Pugh --- Department of Human Geography, SwedenIn this paper we make three points about the current state and promising future directions of qualitative research in our field of innovation policy research. First, we argue that research design and methods are dealt with quite superficially in most... -
Transformational leadership, diversity climate, and job satisfaction in selected South African companies
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sean McCallaghan --- NWU Business School, South Africa Leon T. B. Jackson --- NWU Business School, WorkWell Research Unit, South Africa Marita M Heyns --- Optentia Focus Area, South AfricaThis study investigated the relationship between transformational leadership, diversity climate, and job satisfaction in a selection of South African companies. Participants were a convenience sample of 263 employees from the Gauteng Province (white = 69.3%). They completed measures for transformational leadership, diversity... -
Validation of the work engagement, job satisfaction, psychological empowerment, and organisational citizenship measures in a mining sector setting in Zimbabwe
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Polite Masvaure --- Department of Industial Psychology, South Africa Johanna Hendrina Buitendach --- Department of Industial Psychology, South AfricaThis study aimed to validate measures of work engagement, job satisfaction, psychological empowerment, and organisational citizenship for use with employees in a mining enterprise in Zimbabwe. Miners (N = 176, males = 85.2%, females = 1.3%; age range = 24–65... -
Exploring procedural justice and police legitimacy in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Johan Prinsloo --- Department of Criminology, South AfricaPerceptions of legitimacy are at the foundation of public mandates underlying criminal justice institutions, their legal authority, and public cooperation. This study explored perceptions of South African policing by members of a historically disadvantaged community, in terms of the procedural... -
Psychosocial resources, support, and career satisfaction among professional women: A South African study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ndayiziveyi Takawira --- Department of Human Resource Management, South Africa Melinde Coetzee --- Department of Industrial and Organisational Psychology, South AfricaThe study examined the role psychosocial resources play in enhancing perceptions of support and career satisfaction among professional women. The participants were a purposive sample of 606 professional women from South Africa (white = 61.8%, black = 19.9%, Indian =... -
Modelling the effect of compaction pressure on the densification of agricultural waste briquettes
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: U. A. Essien --- Department of Material and Metallurgical Engineering, Nigeria P. K. Oke --- Department of Mechanical Engineering, NigeriaAn empirical model for predicting the required compaction pressure of heterogeneous briquettes was developed in this study. The study was based on low-pressure compaction, where the used of binders is paramount. Three agricultural wastes: sawdust, rice husk, and palm kernel... -
Does R&D expenditure explain the stock market reaction to M&As? Evidence from the Chinese A-share market
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Xin Xiang --- School of Business, China Xu He --- School of Finance & Investment, ChinaWe explore the impact of acquiring and acquired firms’ R&D expenditure on the market reaction to M&As. Using a sample of 9 739 Chinese M&A deals announced between 2009 and 2017, we find that acquired firms spending more on R&D... -
Optimising the learning environment for undergraduate students in the Department of Family Medicine at Sefako Makgatho Health Sciences University
Item type: Journal Article • Journal: South African Family Practice • Authors: I Govender --- Centre for Health Professions Education, South Africa M De Villiers --- Centre for Health Professions Education, South AfricaBackground: An important determinant of a medical student's behaviour and performance is the department's teaching and learning environment. Evaluation of such an environment can explore methods to improve educational curricula and optimise the academic learning environment. -
Assessment of Differences in Small Farmer Uses of Produce and Determinants of Marketed Surplus of Green Grams and Pigeon Peas in Semi-arid Machakos County, Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: John Mulwa Wambua --- Department of Agricultural Economics and agribusiness, Kenya Margaret Ngigi --- Department of Agricultural Economics and agribusiness, Kenya Lutta Muhammad --- Kenya Agricultural and Livestock Research Organization, KenyaSmall farmers in semi-arid areas of eastern Kenya produce green grams and pigeon peas for both subsistence and income. Because of this, it was important for a detailed investigation on the difficulty of raising marketed surplus (produce) of green grams... -
Employee engagement, organisational commitment, and job satisfaction in Namibia, South Africa, and Zimbabwe: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Molefe Maleka --- Department of People Management and Development, South Africa Mthokozisi Mpofu --- Department of People Management and Development, South Africa Clifford Kendrick Hlatywayo --- Department of Human Sciences, Namibia Ines Meyer --- Organisational Psychology, South Africa Stuart Carr --- Industrial and Organisational Psychology, New Zealand Jane Parker --- Employment Relations and HRM, New ZealandThe goal of this study was to measure employee engagement (EE), organisational commitment (OC), and job satisfaction (JS) in Namibia, South Africa, and Zimbabwe. We surveyed a convenience sample of 631 employees (South Africa: n = 219; Namibia: n =... -
Community healthcare workers’ satisfaction with ward-based outreach team services in Tshwane district, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: JV Ndimande --- Discipline of Family Medicine, South Africa GA Ogunbanjo --- Discipline of Family Medicine, South Africa SN Nyalunga --- Discipline of Family Medicine, South Africa A Masango-Makgobela --- Discipline of Family Medicine, South Africa T Bongongo --- Discipline of Family Medicine, South AfricaBackground: The incorporation of community healthcare worker (CHW) involvement in the management of patients is in line with the 2006 World Health Report, which advocates increased community participation and the systematic delegation of tasks to less specialised cadres. For CHWs... -
Assessing clients’ satisfaction with the service quality of construction consultants in Lagos, Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluwaseun Sunday Dosumu --- Department of Construction Management and Quantity Surveying, South Africa Clinton Aigbavboa --- Department of Construction Management, College of Science and Technology, RwandaThe service quality of consultants plays an important role in enhancing the success of construction projects. The study aims to determine the gaps between the clients’ observed and expected service quality of construction consultants. The 20-service quality (SERVQUAL) criteria of... -
Genotype-by-environment interaction and yield stability of sunflower hybrids across production environments in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Safiah Ma’ali --- Agricultural Research Council–Grain Crops, South Africa William Makgoga --- Agricultural Research Council–Grain Crops, South Africa Jan Erasmus --- Agricultural Research Council–Grain Crops, South Africa Sophie Swanepoel --- Agricultural Research Council–Grain Crops, South AfricaGenotype-by-environment interaction (GEI) is typical in multi-environment trials, which complicates the identification of superior genotypes, making selection and recommendation of new sunflower genotypes for different environments challenging and expensive. The objectives of this study were to investigate the GEI, identify... -
Retaining newly qualified chartered accountants: A South African case study
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Nabeelah Daniels --- College of Accounting, University of Cape Town, South Africa Riyaan Davids --- College of Accounting, University of Cape Town, South AfricaRetention of employees of the millennial generation is becoming an increasing problem for employers throughout the world. It has been found in prior research that higher levels of job satisfaction by employees in organisations was a key determinant in improving... -
Transformational and transactional leadership effects on communication styles
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: El-Roy Crews --- School of Industrial Psychology and Human Resource Management, South Africa Marissa Brouwers --- School of Industrial Psychology and Human Resource Management, South Africa Jan C. Visagie --- School of Industrial Psychology and Human Resource Management, South AfricaThis study aimed to investigate the effects of perceived transformational and transactional leadership styles on communication styles among employees in manufacturing organisations within South Africa. Respondents were a purposive sample of 564 employees of South African manufacturing organisations (females =... -
Post COVID-19 online shopping in South Africa: A mediation analysis of customer satisfaction on e-service quality and purchase intention
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Matolwandile M. Mtotywa --- Tshwane University of Technology, South Africa Charles Kekana --- Tshwane University of Technology, South AfricaThe study investigated the dynamics of online shopping focusing on mediation analysis of customer satisfaction on e-service quality and purchase intention. The study used a cross-sectional quantitative method where 324 responses were collected through a self-administered online survey questionnaire from... -
Fostering employee commitment through work engagement: The moderating effect of job satisfaction in a developing-country setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jeremy Mitonga-Monga --- Department of Industrial Psychology and People Management, South AfricaThis study examined the extent to which job satisfaction moderates the relationship between work engagement and perceptions of organisational commitment. The study sample comprised of 839 employees (women = 38%) from a railway organisation in the Democratic Republic of Congo... -
Interactional Therapy: Prospects for treating mental health conditions
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kobus du Plooy --- Community Psychosocial Research (COMPRES), South AfricaThis practice-oriented article proposes Interactional Therapy (IT) for the treatment of mental health conditions. A case example illustrates the IT application and purpose. From this example, IT appears to be of incremental advantage for treating mental health conditions. Additionally, a... -
Mental health and individual and organisational outcomes: A latent profile analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Molandri Moller --- Optentia Research Focus Area, South Africa Sebastiaan Rothmann --- Optentia Research Focus Area, South AfricaThis study aimed to identify latent mental health profiles for managers in agribusinesses. Additionally, we aimed to investigate how these profiles differed regarding the managers’ job satisfaction, organisational citizenship behaviour, and intention to leave. Managers (N = 507) from agribusinesses... -
Parents and guardians: Their perceptions of psychometric test uses with learners in an emerging country’s school system
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kayi Ntinda --- Department of Educational Foundations and Management, EswatiniThis study utilised participatory action research methods to explore Botswana parents and guardians’ (n = 162) perceptions of psychometric tests for use with school learners. The participants completed a Parent/Guardian Psychometric Survey. Wilcoxon Rank Sums Test analysis indicated the parents... -
For better or for worse: Shaping the hospitality industry through robotics and artificial intelligence
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Nadine Drexler --- Stenden Hotel Management School, The Netherlands Viyella Beckman Lapré --- Stenden Hotel Management School, The NetherlandsContemporary technological applications are widely in use in the public sector; transportation, law enforcement, armed forces, and health care industries have long adopted robotics and artificial intelligence (AI). Our daily lives have been shaped through the digital transformation and, as... -
Response of three mesic South African perennial grassland forbs to defoliation and competition
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Sindiso Chamane --- Grassland Science, School of Life Sciences, South Africa Kevin P Kirkman --- Grassland Science, School of Life Sciences, South Africa Craig Morris --- Agricultural Research Council – Animal Production, c/o School of Life Sciences, South Africa Tim G O’Connor --- SAEON, South AfricaThe importance of maintaining biodiversity in natural grasslands under livestock production systems has been recognised. Forbs contribute more to species richness than grasses in South African grasslands. However, little is known about the impact of grazing and grass competition on... -
The impact of supply chain management practices on industry competitiveness: A mixed-methods study on the Zimbabwean petroleum industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Happyson Bimha --- Graduate School of Business & Leadership, South Africa Muhammad Hoque --- Graduate School of Business & Leadership, South Africa Elias Munapo --- School of Economics and Decision Sciences, South AfricaEffective supply chain management practices can enhance competitiveness along the supply chain. Fuel supply chain competitiveness requires a reliable flow of product and customer satisfaction. Competitiveness eluded the Zimbabwean petroleum industry over time and so this research looked at the... -
Organisational commitment influences on the relationship between transactional and laissez- faire leadership styles and employee performance in the Ghanaian public service environment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Francis Donkor --- School of Management and Economics, China Dongmei Zhou --- School of Management and Economics, ChinaThis study explored organisational commitment influences on the relationship between leadership style and employee performance in a developing country’s public sector enterprises. The study participants were 330 full-time employees in ten units in the Ghanaian public sector commission (female =... -
Mediation effect of perceived organisational and social support in the relationship between career adaptability and career satisfaction among professional women
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ndayiziveyi Takawira --- Department of Human Resource Management, South AfricaThis study examined whether perceived organisational support (POS) and social support mediated the relationship between career adaptability and career satisfaction among professional women. The participants were a purposive sample of 606 professional women (62% = white, 20% = black African,... -
Marital symbols and the marriage satisfaction and spiritual well-being of BaTswana married women
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Victoria B Segami --- Optentia Research Area, South Africa Chrizanne Van Eeden --- Optentia Research Area, South AfricaThe study explored marriage satisfaction and spiritual well-being, the association between marital symbols, and the association between marriage satisfaction and spiritual well-being. A convenience sample of BaTswana married women were participants (n = 366; age range = 30–60 years, SD... -
The influence of prolonged drought and anthropogenic impact reversal on fish community structure and ecosystem state cycling of Lake St Lucia, Africa’s largest estuarine lake
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: D Cyrus --- Coastal Research Unit of Zululand, South Africa Q Schutte --- Coastal Research Unit of Zululand, South Africa L Vivier --- Coastal Research Unit of Zululand, South AfricaHistorically, the St Lucia Estuarine Lake System and uMfolozi River joined via an estuarine bay before exiting to the sea. In 1952, separate mouths were created, because of sediment problems originating from the uMfolozi River. During the 2004 drought, the... -
Work-life and social support influences on the mental health of security personnel for internally displaced persons’ (IDP) camps in Nigeria: A brief report
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kehinde Clement Lawrence --- Department of Educational Psychology and Special Education, South AfricaThis study explored work-life experiences and social support as correlates of mental health among security personnel for internally displaced persons’ (IDP) camps in Nigeria. The security personnel (n = 500; male = 62.2% and females = 37.8%; age range =... -
Response of the barrier island coastal region of southwestern Nigeria to climate and non-climate forcing
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: IB Danladi --- Department of Geological Engineering, Turkey M Gül --- Department of Geological Engineering, Turkey E Ateş --- Vocational School of Ayaş, TurkeyDespite threats emanating from the influence of climate and non-climate forcing on the barrier island coastal region of southwestern Nigeria, the extent of the coastal erosion is poorly understood. We report evidence of coastal erosion and sediment accumulation in the... -
Contrasting patterns in the abundance of fish communities targeted by fishers on two coral reefs in southern Mozambique
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: T Sancelme --- Australian Institute of Marine Science, Indian Ocean Marine Research Centre, Australia J Goetze --- Global FinPrint Project, Australia S Jaquemet --- Université de La Réunion, UMR 9220 ENTROPIE [Tropical Marine Ecology Laboratory], Réunion MG Meekan --- Australian Institute of Marine Science, Indian Ocean Marine Research Centre, Australia A Flam --- Marine Megafauna Foundation, Marine Megafauna Research Center, Mozambique AM Watts --- Marine Megafauna Foundation, Marine Megafauna Research Center, Mozambique CW Speed --- Australian Institute of Marine Science, Indian Ocean Marine Research Centre, AustraliaCoastal populations of maritime countries in eastern Africa rely on fish as a primary source of protein, but baseline information on the abundance of fish communities on these coastlines is often lacking. We used baited remote underwater video stations to... -
Optimising the number of test sites, crop-years and replications to maximize post-release testing efficiencies
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sbongeleni Warren Duma --- School of Agricultural, Earth and Environmental Sciences, South Africa Hussein Shimelis --- School of Agricultural, Earth and Environmental Sciences, South Africa Sanesh Ramburan --- School of Agricultural, Earth and Environmental Sciences, South Africa Admire Isaac Tichafa Shayanowako --- School of Agricultural, Earth and Environmental Sciences, South AfricaThe South African sugar industry develops commercial sugarcane cultivars across multiple testing sites, crop-years and replications. The extent of such parameters has not been well quantified for optimum breeding and resource allocation. The objective of this study was to identify... -
Developing professional competence in accounting graduates: An action research study
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Shaun Parsons --- College of Accounting, South Africa Bette Davidowitz --- Department of Chemistry, South Africa Paul Maughan --- College of Accounting, South AfricaIn 2014, the South African Institute of Chartered Accountants (SAICA) introduced the Assessment of Professional Competence (APC) as its final professional examination. The APC is an eight-hour case study assessing both the technical knowledge and pervasive skills that together represent... -
Multiscale drivers of hippopotamus distribution in the St Lucia Estuary, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Alexa S Prinsloo --- , South Africa Deena Pillay --- , South Africa M Justin O'Riain --- , South AfricaThis study provides preliminary data on predictors of Hippopotamus amphibius (Linnaeus, 1758; hippo) distribution in St Lucia Estuary, the largest estuarine system in Africa and a key habitat for one of South Africa’s largest hippo populations. We use binary logistic... -
Midgut neuroendocrine tumour presenting as orbital metastases
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Helen Hoenck --- , South Africa Wilhelmina Conradie --- , South Africa Magda Conradie --- , South Africa Ankia Coetzee --- , South AfricaMetastasis of a neuroendocrine tumour (NET) to the orbit is a rare occurrence, with published data limited to a few case reports. Orbital involvement usually presents with proptosis and decreased ocular mobility. Timing, in relation to the presentation of the... -
Value co-creation effects on transaction cost, relational capital, and loyalty of hair salon customers: Results and implications of a Ghanaian study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Wen Xiao --- , China Christian Narh Opata --- , China Stephen Tetteh --- , China Tettey-Wayo John Narh --- , Ghana Robert E. Hinson --- , GhanaThis study aimed to examine customer relational capital, transaction cost, and loyalty with value co-creation in the Ghanaian hair-dressing business sector. Participants were 455 female hair-dressing customers (mean age = 2.56 years, SD = 1.07 years, age range 22 to... -
The moderating effect of social support on the relationship between burnout, intention to drop out, and satisfaction with studies of first-year university students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karina Mostert --- , South Africa Jaco Pienaar --- , SwedenThis study investigated the relationships between student burnout, intention to drop out, and satisfaction with studies, considering their self-reported social support from parents and significant others. First-year black African students from a peri-urban South African university campus (n = 452;... -
Exploring the concept of hostmanship through “50 cups of coffee”
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Monique Medema --- , The Netherlands Brenda de Zwaan --- , The NetherlandsThis article explores how hospitality academics and students understand, interpret and experience hostmanship. Building on a literature review which outlines and discusses the development and definition of hospitality, this exploratory study is framed by an interpretivist approach. Semi-structured interviews were... -
Habitat utilisation of Pseudobarbus afer and Sandelia capensis in headwaters of the Swartkops River, Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: B Hannweg --- , South Africa SM Marr --- , South Africa LE Bloy --- , South Africa OLF Weyl --- , South AfricaHabitat degradation is one of the greatest threats to endemic freshwater fish in the Cape Fold Ecoregion. One habitat restoration strategy is the replication of critical habitat using artificial materials. In this paper, we evaluate the habitat occupancy of two... -
Response of soil organic matter indices and fractions after 37 years of wheat production management practices in semi-arid South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T Motema --- , South Africa E Kotzé --- , South Africa PF Loke --- , South Africa CC du Preez --- , South AfricaThe current study evaluated the long-term response of soil organic matter (SOM) indices and fractions on wheat production management practices in the semi-arid region of South Africa. The treatments included three tillage methods (no-tillage, stubble mulch and ploughing), two residue... -
Tobacco use and subjective well-being in university students from 29 countries: A brief report
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Supa Pengpid --- , Thailand Karl Peltzer --- , South AfricaThis cross-national study explored the relationship between tobacco use and subjective well-being indicators (e.g. life satisfaction, happiness, and perceived health status) in university students from 29 low-, middle- and high-income countries. Data were collected from 20 355 university students (median... -
Mediating role of meaningful work and vocational identity on the relationship between perceived family supportive supervisor behaviour and career satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Niya Chen --- , China Leigang Zhang --- , ChinaThis study examined meaningful work and vocational identity influences on the relationship between perceived family supportive supervisor behaviour (FSSB) and career satisfaction among educators. Participants were a convenience sample of 492 public school teachers from eight secondary schools in China... -
African international students’ career and job satisfaction: The case of China
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Dennis Fiifi Darko --- , China Zheng He --- , China Evans Asante Boadi --- , China Isaac Owusu Asante --- , ChinaWe aimed to examine the influence of international education career preparation on job acquisition (JA), skilled labour (SL), and job satisfaction (JS) among African student graduates of Chinese universities. Participants were 708 graduates from Ghana who attended Chinese higher education... -
Comparison of soil phosphorus fractions after 37 years of wheat production under different management practices in a semi-arid climate
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K Ncoyi --- , South Africa CC du Preez --- , South Africa E Kotzé --- , South AfricaCrop residue management is important for enhancing soil fertility and productivity which leads to an increase in crop yields. A long-term trial, situated near Bethlehem in the Eastern Free State in South Africa, was established to determine the influence of... -
Accounting for linefish dependency in management of the South African small pelagic fishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D Parker --- , South Africa JC Coetzee --- , South Africa H Winker --- , South Africa CD van der Lingen --- , South AfricaTo further implement an ecosystem approach to management of the small pelagic fishery in South Africa, we attempted to develop functional relationships between spatialised time-series of the biomass of three small pelagic fish species and the catch per unit effort... -
Idiosyncratic momentum on the JSE
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Daniel Page --- , South Africa David McClelland --- , South Africa Christo Auret --- , South AfricaIdiosyncratic momentum, like price momentum, is a trading strategy that considers a share’s recent relative performance over the short to medium term. Idiosyncratic momentum differs from price momentum as it uses residual returns post-orthogonalization on a single or multi-factor asset... -
Purpose of Crested Francolin Ortygornis sephaena male collective calls at dusk based on livestream audio censusing
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Johann H van Niekerk --- , South Africa Giovanni Forcina --- , PortugalThe study of diel and seasonal variation in vocal interactions of Crested Francolin Ortygornis sephaena territorial males helps clarify its purpose, thus delivering insights into the behavioural ecology of this species. The goals of the present paper are to describe... -
Practicing psychologists’ understanding of the athletic-body ideal internalisation: Implications for classification and treatment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lindi Williams --- , South Africa Del Naidoo --- , South Africa Ruan Spies --- , South AfricaThis study explored how practicing psychologists make sense of the athletic-body ideal when internalised by their clients. Utilising a grounded theory approach, we interviewed a purposive sample of nine psychologists to explore their understanding of the athletic-body ideal, with a... -
Mixed-species plantations of Eucalyptus and Acacia mangium increase labile carbon and phosphorus levels in Ferralsol soils in the Cerrado biome, Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Wilbert Valkinir Cabreira --- , Brazil Marcos Gervasio Pereira --- , Brazil Fabiano de Carvalho Balieiro --- , Brazil Eduardo da Silva Matos --- , Brazil Renato de Aragão Ribeiro Rodrigues --- , Brazil Raissa Nascimento dos Santos --- , BrazilIn order to clarify the effect of mixed planting in the dynamics of phosporus (P), we assessed the fractions of this element in mixed plantings of Eucalyptus urophylla × E. grandis (Urograndis) and Acacia mangium in a tropical soil clay,... -
Performing arts and sustainable consumption: Influences of consumer perceived value on ballet performance audience loyalty
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yu-sun Han --- , Republic of Korea Joon-ho Kim --- , Republic of KoreaThis study investigated the influence of the perceived value of ballet performances (personal, artistic, and sociocultural) on consumer satisfaction, trust, and intention to rewatch (revisit). Participants included 240 Americans, 272 South Africans, and 227 Koreans, for a total of 739... -
Value co-creation intention among consumers at the bottom of the pyramid: A study of rural and community banks in Ghana
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Angela Abena Nusenu --- , China Wen Xiao --- , China Joy Say --- , China Christian Narh Opata --- , GhanaWe investigated the relationship between consumer satisfaction, trust in firm, interaction, and perceived service quality on value co-creation intention among rural and community bank consumers in Ghana. Participants were a purposive sample of 315 (female = 49. 52%; mean age... -
Can bait improve the efficiency of underwater video monitoring of fish in headwater streams? A case study from the Rondegat River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SZ Bajaba --- , South Africa S Hugo --- , South Africa AJ van Wyk --- , South Africa SM Marr --- , South Africa NG Vine --- , South Africa OLF Weyl --- , South AfricaThe use of action cameras for underwater video sampling provides a non-harmful alternative for monitoring endangered and threatened fish populations in clear headwater streams. Here, we examine the use of baited remote underwater video systems (BRUVS) for the monitoring of... -
Phosphorus extraction by selected methods in alkaline and calcareous soils after mono-ammonium phosphate application at different rates
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: AE Venter --- , South Africa CC du Preez --- , South AfricaLittle research has been done on extractable phosphorus (P) in alkaline and calcareous irrigated soils of South Africa. This study aimed to quantify extractable P by selected methods in these soils after application of mono-ammonium phosphate (MAP) at different rates... -
Exploring hotel identity by focusing on customer experience analysis
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Javed Suleri --- , The Netherlands Roos Meijer --- , The Netherlands Edwin Tarus --- , The NetherlandsChanging customer demands in the 21st century have led hotels to rethink their way of doing business. While most hotels operate with an internal focus, it is essential to examine interactions from the customer’s perspective. This study explored what makes... -
Racial relations and life satisfaction among South Africans: Results from the 2017 South African Social Attitudes Survey (SASAS)
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Adekunle Adedeji --- , South Africa Erhabor S. Idemudia --- , South Africa Obasanjo Afolabi Bolarinwa --- , South Africa Franka Metzner --- , GermanyThe current study examined differences in race relations as a predictor of life satisfaction among South African adults. We analysed data from the South African Social Attitudes Survey 2017 (n = 3 135; female = 61%; black = 61% ,... -
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... -
Customer behaviour in restaurants before and during COVID-19: A study in Vietnam
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Thao Hoang --- , The Netherlands Javed Suleri --- , The NetherlandsThe foodservice industry is one of the fastest-growing industries in the world and it contributes to the development of the Vietnamese economy. However, with the appearance of COVID-19, this industry has been affected. The purpose of this study is twofold,... -
Response of soil carbon fractions in a Haplic Cambisol to crop rotation systems and residue management practices under no tillage in the Eastern Cape, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: I Gura --- , South Africa PNS Mnkeni --- , South Africa CC du Preez --- , South Africa JH Barnard --- , South AfricaSoil organic carbon (SOC) is a major indicator of soil quality and/or health but its slow short-term response to management changes has prompted the search for more sensitive indicators for monitoring short-term changes in soil organic matter (SOM). This study... -
Interactions among actors in improved rice varieties innovation system in the Eastern Zone of Tanzania
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sospeter J. Charles --- , Tanzania Amon Z. Mattee --- , Tanzania Catherine P. Msuya-Bengesi --- , TanzaniaThe concept of IS has gained importance in understanding the interactions among actors as determinants of innovation. Determinants of innovation are not viewed individually but within the context of a complex IS involving many actors and interactions. Therefore, this study... -
The collaborative work experience of robotics and human workers in the automobile industry in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Bianca Ifeoma Chigbu --- , South Africa Fhulu Hastings Nekhwevha --- , South AfricaThrough the lens of the evolutionary economic theory, this study aimed to investigate what drives the implementation of technologies in the South African automobile industry and to understand the experiences employees have had with the introduction of technologies to the... -
The emergence of GVCs for frontier markets: Insights from the African mobile telecommunications industry
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Mohammad Jahanbakht --- , USA Romel Mostafa --- , CanadaAn important gap in the literature on global value chains (GVCs) and bottom-of-the-pyramid markets concerns how GVCs develop to serve frontier markets and what role multinational and local firms play in that process. This paper takes a first step in... -
Parenting style, social interaction anxiety, and problematic internet use among students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Blessing Nneka Onyekachi --- , Nigeria Francisca Oluchukwu Egboluche --- , Nigeria JohnBosco Chika Chukwuorji --- , NigeriaOur study examined the roles of parenting styles and social interaction anxiety in problematic internet use (PIU) in a sample of Nigerian undergraduate students (n = 300; female = 63.3%; mean age = 19.66 years, SD = 2.64 years). The... -
Predicted future changes in ocean temperature and pH do not affect prey selection by the girdled dogwhelk Trochia cingulata
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: N Martin --- , South Africa S Clusella-Trullas --- , South Africa TB Robinson --- , South AfricaPredator–prey relationships can drive community dynamics in marine systems, but it remains unclear how future changes in seawater temperatures and pH will influence these relationships. This study assessed the effect of predicted future temperatures and pH on the prey choice... -
The financial and social efficiency of rural cooperatives in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Collin L. Yobe --- , South Africa Stuart R. D. Ferrer --- , South Africa Maxwell Mudhara --- , South AfricaIdentifying the type of organization for achieving social efficiency for agricultural development remains a challenge. In this study, the relationship between the financial and social efficiency of South African agricultural cooperatives was examined. Data, comprising 1788 agricultural cooperatives, were obtained... -
Bed and Breakfast (B&B) social servicescape and customer satisfaction: Positive emotion mediation and sex moderation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Juan Liu --- , China Xi Li --- , China Hong Chen --- , China Xinwei Su --- , China Runzhe Yu --- , ChinaWe investigated the influence of bed and breakfast (B&B) social servicescape on customer satisfaction, as well as the mediating effect of customer positive emotion and the moderating role of sex. Participants were a convenience sample of 305 B&B customers from... -
Factors affecting interactions between different key actors in improved rice varieties innovation system in the Eastern Zone of Tanzania
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sospeter J. Charles --- , Iringa, Tanzania Amon Z. Mattee --- , Tanzania Catherine P. Msuya-Bengesi --- , TanzaniaThis study examines factors affecting the interactions between different key actors in the innovation system of improved rice varieties in the Eastern Zone of Tanzania. A parallel mixed design was used to collect the data from a sample of 340... -
Creating sustainable competitive advantage in the hospitality industry through commercial friendships: connecting the host and guest on a social and emotional level
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sake Jan Velthuis --- , The NetherlandsA large part of quality and competitive advantage in hospitality comes from friendly service. A lot of research in the hospitality industry is done from the viewpoint of management and aimed at how businesses should be designed to be friendly,... -
Effects of mindfulness on occupational stress and job satisfaction of hospitality and service workers
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sophie Luisa Bolm --- , The Netherlands Wichard Zwaal --- , The Netherlands Macmillion Braz Fernandes --- , The NetherlandsHospitality and service workers commonly work under psychological and physical pressure with long working hours, resulting in high levels of occupational stress that affect their overall well-being and job satisfaction. This study investigates the effects of a mindfulness intervention on... -
Linking servant leadership to customer-oriented organisational citizenship behaviour: The moderating role of perceived interactional justice
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shaping Qiu --- , USA Ruijuan Zhang --- , China Sami Jabarkhail --- , USA Larry M. Dooley --- , USAThis study examined the association between employee servant leadership perceptions and their customer-oriented organisational citizenship behaviour (OCB), and the influence of perceived interactional justice in this relationship. Participants were 708 hospitality industry employees from across China (female = 66.53%; mean... -
Work stressors and vicarious trauma among South African Police Service members
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Masefako Andronica Gumani --- , South AfricaThis study explored vicarious stress experiences of South African Police Service members from a rural district serving victims of trauma. Informants were 19 police members (female = 26.3%; constables = 21%; age range = 27 to 55). The police members... -
Unlocking the commercialization potentials of Moringa oleifera production in Southwestern Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: T. O. Ojo --- , Nigeria A. A. Adetoro --- , Pietermaritzburg, South Africa A. A. Ogundeji --- , South Africa J. A. Belle --- , South Africa M. S. C. Ngidi --- , Pietermaritzburg, South AfricaDespite the importance of Moringa oleifera tree for food security at the smallholder farmers’ level, there is no consolidated socioeconomic information about the crop such as its contribution to household food security and income, and its production potential, commercialization and... -
The role of career wellness in living and studying for South African first-year university students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Henry D. Mason --- , South Africa Kobus Fourie --- , South AfricaThis study explored the relationship between career wellness, emotional wellness, life satisfaction, and learning and study strategy (LSS) orientation among a sample of 15 458 South African first-year university students. Data were obtained from an institutional repository, including assessments on... -
Medical intern job demands and job carry-over strain: The moderating role of psychosocial mentoring and job satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Rita Ekele --- , Nigeria Vincent Onodugo --- , Nigeria Henry Okwo --- , Nigeria Sinclair Ogba --- , Nigeria Chike Onodugo --- , Nigeria Benjamin Chukwu --- , NigeriaThis study examined the relationship between psychological job demands and job carry-over strain among medical interns, and the moderating role of mentoring and job satisfaction in that relationship. Medical interns (n = 229) at teaching hospitals in Southeastern Nigeria (male... -
Attention control mediates the relationship between self-esteem and life satisfaction in youth
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Huifang Yang --- , China Meiting Liu --- , China Rurun Lu --- , ChinaThis study explored the role of attention control in the relationship between self-esteem and life satisfaction in college students. A sample of 723 college students completed the Attentional Control Scale, the Self-Esteem Scale, and the Life Satisfaction Scale. Following regression... -
Structural validity and measurement invariance of the Psychological Career Resources Inventory Short Form as a predictor of career satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Melinde Coetzee --- , South Africa Xander van Lill --- , South Africa Marais S Bester --- , South AfricaThe present study had two objectives. The first objective was to assess the structural validity of the Psychological Career Resources Inventory – Short Form (PCRI-SF) and for measurement equivalence across ethnic (white and black) and gender groups in the South... -
Servant leadership and work performance of public servants: Exploring the mediating role of public service motivation and job satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Wei Liu --- , China Lianrong Zhao --- , ChinaWe investigated servant leadership influences on work performance in public sector employees, and the mediating influence of public service motivation and job satisfaction in that relationship. The sample comprised 206 Chinese public service employees (female = 46%; mean age = 3.16 years, SD = 35.28 years)... -
Screening herbicides and herbicide mixtures to identify alternative chemical controls for resistant plantago biotypes
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Vhuthu Ndou --- , South Africa Ethel E Phiri --- , South Africa Petrus J Pieterse --- , South AfricaHerbicide mixtures are beneficial since they delay the occurrence of resistance to herbicides, provided that the herbicides used are effective at controlling the target weed species. Recently, plantago (Plantago lanceolata L.) was found to show 23 and 10-fold-resistance to glyphosate... -
Profitability and technical efficiency of rice farms using traditional and improved milling machines: Evidence from Mali
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mamoutou Dit Djamba Sissoko --- Kwame Nkrumah University of Science and Technology, Ghana Kwasi Ohene-Yankyera --- Kwame Nkrumah University of Science and Technology, Ghana Camillus Abawiera Wongnaa --- Kwame Nkrumah University of Science and Technology, GhanaThe introduction of improved rice milling machines in rice producing areas in Mali is expected to minimize losses during processing. This study compares the profitability and technical efficiency of rice farms using traditional and improved rice milling machines in the... -
Wood extraction performance with a farm tractor in a mountainous region of Brazil: cycle time, productivity and costs of two different work crews
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Rafael Oliveira Brown --- , Brazil Kauê Augusto Oliveira-Nascimento --- , Brazil Renato César Gonçalves Robert --- , Brazil Daniel DeArmond --- , BrazilHarvesting is a complex and expensive step within forestry operations. In mountainous terrain timber harvesting is complex due to the risks and limitations that the terrain imposes on traditional forms of wood extraction. The objective of this study was to... -
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... -
Evaluating carbohydrate fractions and degradation kinetics of maize silages on different storage periods and the estimates of milk production
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Stela Näetzold Pereira --- , Brazil Julio Viégas --- , Brazil Larissa Luísa Schumacher --- , Brazil Tiago João Tonin --- , Brazil Leticia Lopes da Costa --- , Brazil Ana Betine Beutinger Bender --- , Brazil Micaela Jungbeck --- , BrazilThe objective of this study was to evaluate the effect of maize (Zea mays L.) carbohydrate contents and the estimates of milk production on different storage periods. The experimental design was completely randomised, with four treatments (storage time), each replicated... -
Some notes on the paper “On best proximity points of interpolative proximal contractions”
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: M. Gabeleh --- Ayatollah Boroujerdi University, Iran J. Markin --- , USAIn a recent paper [I. Altun and A. Tasdemir, On best proximity points of interpolative proximal contractions, Quaestiones Math. (2020), DOI: 10.2989/16073606.2020.1785576] the authors proved two best proximity point theorems for a new class of non-self mappings, called interpolative Reich-Rus-Ćirić... -
Patients in public hospitals received insufficient food to meet daily protein and energy requirements: Cape Town Metropole, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Marieke Theron --- University of Cape Town, South Africa Siobhan O’Halloran --- Institute of Basic Medical Sciences, University of Oslo, Norway -
Predictors of staff retention satisfaction: The role of the psychological contract and job satisfaction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Annette M Snyman --- University of South Africa, South AfricaHigher education institutions in South Africa are experiencing alarmingly high levels of staff turnover and struggling to retain their valuable employees. This study explored whether the psychological contract significantly predicted employees' satisfaction with human resource retention practices within the higher... -
Wardowski and Ćirić type fixed point theorems over non-triangular metric spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: V. Rakočević --- University of Niš, Serbia K. Roy --- The University of Burdwan, India M. Saha --- The University of Burdwan, IndiaIn this manuscript, we establish a fixed point theorem for F -Suzuki contraction mapping over a non-triangular metric space and also give a discussion as remarks on the non-triangular metric structure. Moreover we introduce non-triangular metric-like space and prove a... -
Work-place diversity climate: Its association with racial microaggressions and employee work-place well-being
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sean McCallaghan --- North-West University, South AfricaThe study examined the role of work-place diversity climate in relation to employees’ experiences of racial microaggressions (RMAs), their organisational commitment, turnover intentions, job satisfaction, and organisational citizenship behaviour (OCB) in selected South African organisations. The employees (n = 262;... -
Servant leadership and employee attitudes within a South African state-owned enterprise: Mediation by employee motivation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Leone Jackson --- North-West University, South Africa Roslyn Belinda Lodewyk-Raliphada --- North-West University, South Africa Marissa Brouwers --- North-West University, South Africa Leon TB Jackson --- North-West University, South AfricaWe sought to investigate employee motivation mediation of the relationship between servant leadership, employee motivation, job satisfaction, and affective organisation commitment in a public sector enterprise. Participants (n = 128; male = 73; female = 55; age range = 31–40... -
An exploratory study on value-added tax consequences of a residential property lottery in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Danielle van Wyk --- Stellenbosch University, South Africa Andrea van der Merwe --- Stellenbosch University, South AfricaTo dispose of a residential property in terms of a lottery transaction is a change in the business manner how residential properties are usually being disposed of, namely either through an estate agent or a private sale. A number of... -
Life skills training as HIV/AIDS preventive strategy in secondary schools: evaluation of a large-scale implementation process
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Maretha J. Visser --- University of Pretoria,A life skills and HIV/AIDS education programme was implemented in secondary schools as a strategy to combat the spread of HIV/AIDS among school-going young people in South Africa. As part of a joint effort of the Departments of Health and... -
For the common good: Measuring residents' efforts to protect their community from drug- and sex-related harm
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Pedro Mateu-Gelabert --- NDRI, Inc., USA Melissa Bolyard --- Emory University, USA Carey Maslow --- New York City Department of Health and Mental Hygiene, Milagros Sandoval --- NDRI, Inc., USA Peter Flom --- BrainScope, Samuel R Friedman --- NDRI, Inc., USAPeople in high-risk neighbourhoods try to protect their friends, neighbours, relatives and others from the social and physical risks associated with sex and drug use. This paper develops and validates a community-grounded questionnaire to measure such ‘intravention’ (health-directed efforts to... -
HIV counselling and testing utilisation and attitudes of male inmates in a South African prison
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Lelaka C Motshabi [B0001] Supa Pengpid --- Department of Health System Management and Policy, University of Limpopo, South Africa Karl Peltzer --- Human Sciences Research Council, South AfricaThe Department of Correctional Services Policy on the management of HIV and AIDS for offenders include voluntary counselling and testing (VCT) for HIV as one of the priorities in the rehabilitation of inmates. The aim of this study was to... -
Taxi ‘sugar daddies’ and taxi queens: Male taxi driver attitudes regarding transactional relationships in the Western Cape, South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Cheryl Potgieter [d53e18] Anna Strebel Tamara Shefer Claire WagnerMedia reports are emerging on the phenomenon of young girls who travel with older mini-bus taxi drivers, and who are thought to have sex with the drivers in exchange for gifts and money. The extent to which such relationships might... -
‘Checkmating HIV&AIDS’: Using chess to break the silence in the classroom
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Omar Esau [d110e14]In this article, I give an account of my ‘Checkmating HIV&AIDS’ action research project, which was an attempt to break the ‘culture of silence’ concerning HIV&AIDS and sex and sexuality in my classroom. In this project, I focused specifically on... -
‘Every teacher is a researcher!’: Creating indigenous epistemologies and practices for HIV prevention through values-based action research
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Lesley Wood [d88e14]Since gender is an undisputed driver of HIV infection, teachers concerned with HIV prevention education should ideally encourage critical awareness of and culturally sensitive practices around gender inequalities. Many interventions and programmes have been developed for teachers to enable them... -
The treatment action campaign and the three dimensions of lawyering: Reflections from the rainbow nation
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Hassan Ahmad [d364e18]The spread and perpetuation of the HIV/AIDS epidemic in South Africa has hindered the country's social and economic growth after apartheid. This paper documents my experiences while working with the Projects Abroad Human Rights Office and specifically my interactions with... -
HIV fatalism and engagement in transactional sex among Ugandan fisherfolk living with HIV
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Katelyn M. Sileo --- , , USA Laura M. Bogart --- , USA Glenn J. Wagner --- , USA William Musoke --- , Uganda Rose Naigino --- , , Uganda Barbara Mukasa --- , Uganda Rhoda K. Wanyenze --- , , UgandaHIV fatalism, or the belief that HIV acquisition and mortality is out of one's control, is thought to contribute to HIV risk in fishing populations in East Africa. The objective of this cross-sectional study was to investigate the association between... -
Navigating intimate sexual partnerships in an era of HIV: dimensions of couple relationship quality and satisfaction among adults in Eswatini and linkages to HIV risk
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Allison Ruark --- , , USA Edward C. Green --- , , USA Amy Nunn --- , USA Caitlin Kennedy --- , USA Alfred Adams --- , Netherlands Thandeka Dlamini-Simelane --- , Netherlands Pamela J. Surkan --- , USACouple relationship functioning impacts individual health and well-being, including HIV risk, but scant research has focused on emic understandings of relationship quality in African populations. We explored relationship quality and satisfaction in Eswatini (formerly Swaziland) using data from 148 in-depth... -
Investigating client satisfaction with antiretroviral treatment services in South-South Nigeria
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Omosivie Maduka --- , , NigeriaClient satisfaction is a key method of evaluating the quality of healthcare services. This research investigated client satisfaction with anti-retroviral treatment services in selected outpatient facilities in Rivers State. This study was a qualitative study carried out in four antiretroviral... -
Aggregation in Bibron's gecko, chondrodactylus bibronii
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: Anita Meyer --- University of Stellenbosch, South Africa P. le FrasN. Mouton --- University of Stellenbosch, South AfricaAggregation behaviour in a rock‐dwelling gecko Chondrodactylus bibronii was investigated. In a laboratory setup, individuals were provided with an excess of shelters to determine whether limited availability of optimal shelters may be the cause of this species’ aggregation behaviour in... -
The impacts of past cultivation on the reptiles in a South African grassland
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Gavin P. R. Masterson --- University of the Witwatersrand, South Africa Bryan Maritz --- University of the Witwatersrand, South Africa Darian Mackay --- University of the Witwatersrand, South Africa GrahamJ. Alexander --- University of the Witwatersrand, South AfricaHabitat transfonnation is the primary anthropogenic threat to global biodiversity. Fragmentation of reptile populations following habitat transfonnation within a landscape can lead to the extirpation of species. We investigated the effects of land-use on the species richness and abundance of... -
Work-related need satisfaction and job crafting: Mediation of psychological empowerment in a Nigerian setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lawrence O. Amazue --- University of Nigeria, Nigeria Ugochi P. Brown --- University of Nigeria, Nigeria Larry O. Awo --- , NigeriaWe examined the association between work need satisfaction (WNS) and job crafting (JC) dimensions (seeking challenges [SC], seeking resources [SR], and reducing demands [RD]), as well as the role of psychological empowerment (PE) in that relationship. Data on PE, WNS,... -
Who does better on life satisfaction and meaning in life? A Mixed-methods exploration of demographic characteristics and well-being in Ghana
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Angelina Wilson Fadiji --- University of Pretoria, South Africa Shingairai Chigeza --- University of Pretoria, South Africa Bontle Kgopa --- University of Pretoria, South AfricaThe present study examined the relationship between the demographic characteristics of age, sex, religious practice, and standard of living with life satisfaction and meaning in life in a Ghanaian setting. Participants were 394 Ghanaian urban adults (female = 43.90; mean... -
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... -
Hope and its relation to grit and subjective well-being among first-year South African university students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Henry D. Mason --- Tshwane University of Technology, South AfricaThis study investigated the relationship between hope (agency and pathways thinking), grit, and subjective well-being (life satisfaction and positive and negative emotions) among South African first-year university students (n = 210; mean age = 20.35 years, SD = 1.49 years;... -
How does organisational support improve job satisfaction? A moderated mediation analysis based on evidence from a global survey
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ye Tian --- China University of Geosciences, China Yungui Guo --- Hunan University of Science and Technology, ChinaWe tested a moderated mediation model that examines the mediating role of personal accomplishment and the moderating role of work interest in the relationship between organisational support and job satisfaction among post-doctoral students/fellows. Our sample comprised 6 575 post-doctoral students/fellows... -
The existence and uniqueness result of entropy solutions for a p(·)-Laplace operator problem in weighted Sobolev spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jiabin Zuo --- Guangzhou University, China Abdelali Sabri --- Hassan 1er University, MoroccoThe paper is concerned with the existence and uniqueness result of entropy solutions for a degenerate elliptic p(·)-Laplacian problem by using the regularization approach and theory of weighted Sobolev spaces with variable exponents. -
Space-dependent variable-order time-fractional wave equation: Existence and uniqueness of its weak solution
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: K. Van Bockstal --- Ghent University, Belgium A.S. Hendy --- Ural Federal University, Russia M.A. Zaky --- National Research Centre, EgyptThe investigation of an initial-boundary value problem for a fractional wave equation with space-dependent variable-order wherein the coefficients have a dependency on the spatial and time variables is the concern of this work. This type of variable-order fractional differential operator... -
Asymptotic properties for compressions of two-isometries
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Laurian Suciu --- “Lucian Blaga” University of Sibiu, RomaniaThe bounded linear operators T on a Hilbert space which have 2-isometric liftings S on are investigated in this paper. We refer to the structure of those operators in the case of general liftings, as well as for a more... -
Estimation of genetic parameters for growth in a population of Eucalyptus grandis × Eucalyptus nitens hybrids in KwaZulu-Natal and Mpumalanga
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: W Brink --- Sappi Shaw Research Centre, South Africa G van den Berg --- Sappi Shaw Research Centre, South Africa A Nel --- Sappi Shaw Research Centre, South Africa B du Toit --- University of Stellenbosch, South AfricaHybridising Eucalyptus grandis with Eucalyptus nitens produces progeny intended to combine the favourable traits of both parents. E. grandis exhibits good growth, stem form, wood properties and rooting ability for vegetative propagation. E. nitens displays superior cold tolerance, including superior... -
Pay satisfaction and work–life balance among Nigerian bank employees: The roles of psychological empowerment and gender
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gabriel C. Kanu --- University of Nigeria, Nigeria Ijeoma C. Odinko --- University of Nigeria, Nigeria Ikechukwu V. N. Ujoatuonu --- University of Nigeria, NigeriaThis study examined the roles of psychological empowerment and gender in the relationship between pay satisfaction and work–life balance among bank employees. In total, 393 Nigerian bank employees participated in the study (female (49.36%; mean age = 32.07, SD =... -
Supported approach spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: E. Colebunders --- Vrije Universiteit Brussel, België R. Lowen --- Universiteit Antwerpen, BelgiëIn this paper we work in the category of approach spaces with contractions [14], the objects of which are sets endowed with a numerical distance between sets and points. Approach spaces are to be considered a simultaneous generalization of both... -
Practices of health citizenship in South Africa: a case study of the Treatment Action Campaign (TAC) in Khayelitsha, Cape Town
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Ngwi Nnam Thecla Mulu --- University of the Free State, South AfricaThis article examines the Treatment Action Campaign’s (TAC) evolution and attrition as a social movement organisation to discern its implications for practices of health citizenship at the grassroots level. A qualitative approach to case study research was used to collect... -
The influence of cross-cultural adjustment on job performance
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Irena Mihaela Stan --- NHL Stenden University of Applied Sciences, The Netherlands Ilse Jongboom --- NHL Stenden University of Applied Sciences, The NetherlandsGiven the international nature of teams and guests in the hospitality industry, cross-cultural adjustment and awareness are crucial at both personal and organisational levels. The purpose of this study is to understand the factors underlying cross-cultural adjustment and how it... -
Interpersonal sensitivity, smartphone addiction, connectedness to nature and life satisfaction among college students: A moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: --- Beijing Forestry University, China --- Hebei Normal University, China --- Beijing Forestry University, China --- Beijing Forestry University, ChinaThis study explored the relationship between interpersonal sensitivity and life satisfaction among college students, the mediating effect of smartphone addiction, and the moderating effect of connectedness to nature. A total of 702 college students (453 females, Meanage = 19.60 years,... -
Effects of land use and site on organic carbon fractions in some humic soil profiles of KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: --- School of Agricultural, South Africa --- School of Agricultural, South Africa --- School of Agricultural, South Africa --- School of Agricultural, South AfricaSoil organic matter (SOM) and its different carbon (C) fractions play a vital role in storing C and are a source of plant nutrients in natural and managed ecosystems. This study was conducted at six sites in KwaZulu-Natal Province to... -
The effect of employees’ CSR engagement on work outcomes: Empirical evidence from Ethiopia
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Saleamlak Mola --- Addis Ababa University, Ethiopia Michael A. Abebe --- The University of Texas Rio Grande Valley, USAIn this study, we examine the effect of employees’ CSR engagement on work outcomes. Drawing insights from social exchange theory, we propose that employees’ CSR engagement is likely to positively affect their job satisfaction and organizational commitment while reducing turnover... -
Nutritional properties and in vitro gas production in cactus pear (Opuntia stricta) and cassava (Manihot esculenta) shoot silages
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: --- Universidade Federal do Vale do São Francisco, Brazil --- Universidade Federal do Agreste de Pernambuco, Brazil --- Universidade Federal do Vale do São Francisco, Brazil --- Universidade Estadual do Sudoeste da Bahia, Brazil --- Universidade Federal do Tocantins, Brazil --- Universidade Federal do Agreste de Pernambuco, Brazil --- Universidade Federal do Agreste de Pernambuco, Brazil --- Universidade Federal do Agreste de Pernambuco, Brazil --- , Brazil --- Universidade Federal do Maranhão, Brazil --- Universidade Federal do Vale do São Francisco, BrazilThis study evaluated the effects of different inclusion levels of cactus pear (Opuntia stricta) (at 0%, 15%, 30% or 45% on fresh matter basis) ensiled with shoots of cassava (Manihot esculenta) on the mineral nutrients, carbohydrates fractionation, nitrogen compounds and... -
Leadership styles and employees’ commitment toward the national digital payment strategy: Multilevel mediating role of job satisfaction
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mekuanint Abera Timbula --- Gujarat University, India Chetana Marvadi --- Gujarat University, IndiaThis study examined the effect of leadership styles on employees' organizational commitment towards the National Digital Payments Strategy (NDPS) and the mediating role of job satisfaction. A self-administered questionnaire was employed to obtain survey data from twelve microfinance institutions in... -
Does the presence of tall or dwarf elephant grass genotypes change the nutritive value of butterfly pea in grass–legume intercrops?
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Tafnes Bernardo Sales-Silva --- Federal Rural University of Pernambuco, Brazil Mércia Virginia Ferreira dos Santos --- Federal Rural University of Pernambuco, Brazil Osniel Faria de Oliveira --- Federal Rural University of Pernambuco, Brazil Pedro Henrique Ferreira da Silva --- Federal Rural University of Pernambuco, Brazil Alexandre Carneiro Leão de Mello --- Federal Rural University of Pernambuco, Brazil Evaristo Jorge Oliveira de Souza --- Federal Rural University of Pernambuco, Brazil Márcio Vieira da Cunha --- Federal Rural University of Pernambuco, BrazilAdding tropical legumes into grass-based forage systems may increase the nutritive fodder value, but competition may decrease legume quality. We evaluated the nutritional values and agronomic responses of tall and dwarf elephant grass genotypes (Cenchrus purpureus (Schumach.) Morrone.) and butterfly... -
Job satisfaction and perception of workloads among dietitians and nutritionists registered in South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Louise van den Berg --- University of the Free State, South Africa Sindi-marie de Beer --- University of the Free State, South Africa Talitha Claassen --- University of the Free State, South Africa Jemima Meyer --- University of the Free State, South Africa Ingrid Strydom --- University of the Free State, South Africa Cornelius van Rooyen --- University of the Free State, South Africa Hermina Spies --- University of the Free State, South Africa -
Passion types and life satisfaction among older adult Moroccans: Reliability of scores and mediation by resilience
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marei Ahmed --- Ajman University, United Arab Emirates Rasha M Abdelrahman --- Ajman University, United Arab Emirates Abderrahim Benlahcene --- Ajman University, United Arab EmiratesWe aimed to examine the factor structure of passion, resilience, and life satisfaction scales, as well as the mediating role of resilience in the relationship between different types of passion and life satisfaction among older Moroccan distance runners To assess... -
Health provider administration functions, patient satisfaction, and loyalty: Their mediation by patient healthcare service quality perceptions
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Geoffrey Bentum-Micah --- Zhejiang Normal University, China Lianyu Cai --- Zhejiang Normal University, China Sampson Agyapong Atuahene --- Zhejiang Normal University, China Moses Agyemang Ameyaw --- Zhejiang Normal University, China Victor Bondzie-Micah --- Hong Kong Baptist University, Hong Kong Stephen Sarfo Adu-Yeboah --- Hefei University of Technology, ChinaThe study tested a health service quality mediation model on patient satisfaction and loyalty outcomes with provider administration functions. Participants were 7 108 outpatients from eleven public hospitals in Hubei province, China (female = 58.5%; infections and chronic diseases =... -
Existence results for fractional Dirichlet problems of p-Laplacian with instantaneous and non-instantaneous impulses on time scales
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Xing Hu --- Neijiang Normal University, P.R. China Yongkun Li --- Yunnan University, People’s Republic of ChinaIn this paper, by means of a relation between Riemann-Liouville fractional derivative and Caputo fractional derivative on time scales and with the help of variational methods and critical point theory, we obtain the existence results for a class of fractional... -
Well-posedness of fractional differential equations with finite delay in complex Banach spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Shangquan Bu --- Tsinghua University, China Gang Cai --- Chongqing Normal University, ChinaWe study the well-posedness of the fractional differential equations with finite delay: Dαu(t) + BDβu(t) = Au(t) + Fut + f(t), (0 ≤ t ≤ 2π) on Lebesgue-Bochner spaces and periodic Besov spaces , where A and B are closed... -
Fixed points of principal E 6-bundles over a compact algebraic curve
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Álvaro Antón-Sancho --- Fray Luis de Leon University College of Education, Catholic University of Ávila, SpainLet X be a compact algebraic curve of genus g ≥ 2. The nontrivial outer automorphism σ of the complex Lie group E 6 acts on the moduli space M(E 6) of principal E 6-bundles over X , and this... -
Stability analysis of fully dynamic piezoelectric beams with internal fractional delay
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jianghao Hao --- Shanxi University, P.R. China Jing Yang --- Shanxi University, P.R. ChinaIn this paper, we are interested in the stability analysis of one-dimensional fully dynamic piezoelectric beam systems with internal fractional delay under different feedback controls (boundary and internal). By introducing two new equations to deal with fractional delay, equivalent new... -
Under- or -overreaction: Investors’ response to black swan events
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Luu Thu Quang --- Ho Chi Minh University of Banking, Ho Chi Minh City,The objective of this study is to explore whether four categories of investors overreact or underreact to specific black swan events in the Vietnam Stock Exchange (HSX) and whether their trading patterns can predict stock returns. We find evidence of... -
Status and distribution of a novel redfin lineage, Pseudobarbus sp. ‘burchelli Tradouw’ from the Cape Fold Ecoregion of South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Martine S. Jordaan --- , South Africa Stuart Barrow --- , South Africa Wilbert Kadye --- Rhodes University, South Africa Albert Chakona --- NRF-South African Institute for Aquatic Biodiversity (NRF-SAIAB), South AfricaFreshwater fish are threatened globally and in addition, knowledge of their diversity is incomplete and species richness is underestimated. Within the ichthyofauna of the Cape Fold Ecoregion of South Africa, many undescribed lineages exist and for most of these, information... -
Social anxiety and problematic social network site use: The sequential mediating role of self-esteem and self-concept clarity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jing Wu --- Shaoxing University, China Xu Zhang --- Shaoxing University, China Yuan Gao --- Shaoxing University, China Qianxiu Xiao --- Shaoxing University, ChinaThis study explored the relationship between social anxiety and problematic social network sites use and the mediating role of self-esteem and self-concept clarity. A total of 811 college students (female= 58.2%; mean age= 19.18 years, SD = 1.12 years) completed... -
Public information disclosure practices and civic participation: The roles of social justice perceptions and internet use
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yongjiang Wu --- Chongqing University, China Zhi Li --- Chongqing University, ChinaThis study examined the relationship between public information disclosure practices and civic participation and the roles of social justice perceptions and internet use in that relationship. Our data comes from the 2019 Chinese Social Survey (CSS, 2019), a large nationwide... -
How perspective taking influences obesity stereotypes: The mediating effect of intergroup contact
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yunlong Wu --- Inner Mongolia Normal University, China Yuzhu Zhang --- Hulunbuir University, ChinaObesity is stigmatised and associated with adverse health, psychological, and social consequences. This study examined contact influences on the relationship between perspective taking and obesity stereotypes in young adults. The sample comprised 411 Chinese university students (female = 73.97%; mean... -
Customer intelligence and customer retention in hotels in south-west Nigeria
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Edwin Chigozie Nwokorie --- The Federal Polytechnic Ilaro, Nigeria Polycarp Amaogananya Igbojekwe --- Imo State University Owerri, Nigeria Emmanuel Nnabugwu Ukabuilu --- Imo State University Owerri, NigeriaThe impact of customer intelligence on customer retention in midscale and luxury hotels in south-west Nigeria was examined in this study. A model was developed for the consequent variables to test the research hypotheses relative to the impulse buying theory... -
Orbit spaces of free involutions on the product of three spheres
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Dimpi --- University of Delhi, India Hemant Kumar Singh --- University of Delhi, IndiaIn this paper, we have determined the orbit spaces of free involutions on a finitistic space having mod 2 cohomology of the product of three spheres . This paper generalizes the results proved by Dotzel et al. [7] for free... -
Adolescent psychiatric inpatients’ perceptions of treatment and seclusion
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Miriam K Yurtbasi --- School of Clinical Sciences, Monash University, Australia Michael Gordon --- School of Clinical Sciences, Monash University, Australia Leeanne Fisher --- Austin Health, Child & Youth Mental Health Services Directorate, Australia Ric Haslam --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Chidambaram Prakash --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Bianca Blatchford --- Austin Health, Child & Youth Mental Health Services Directorate, Australia Christine Pavlou --- Early in Life Mental Health Service, Monash Children’s Hospital, Australia Daniel Darmanin --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Stephanie Verstandig --- Early in Life Mental Health Service, Monash Children’s Hospital, Australia Adam Blake --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Whitney Cornell --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Lauren Cameron --- School of Clinical Sciences, Monash University, Australia Glenn Melvin --- School of Psychology, Faculty of Health, Deakin University, AustraliaObjectives: A great deal of attention is being directed at the use of seclusion in adolescent inpatient psychiatric units due to its forceful nature and negative impact on inpatients and staff. This mixed methods study aimed to explore and compare... -
Colonial Infrastructure and its Post-Independence Afterlives in Peter Kimani’s Dance of the Jakaranda
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Felix Mutunga Ndaka --- University of Johannesburg, South AfricaPeter Kimani’s Dance of the Jakaranda (2017a) is constructed around two structures, the Kenya-Uganda Railway and the Jakaranda Hotel. In this article, I argue that the narration of these structures and their survival in independent Kenya enable a revisiting of... -
On the solution of the Cauchy problem for a higher-order equation with the fractional Riemann-Liouville derivative
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: B.Yu. Irgashev --- New Uzbekistan University, UzbekistanIn this article, a representation of the solution of the Cauchy problem for an equation of high even order with a fractional derivative in the Riemann-Liouville sense of order greater than one is obtained. The uniqueness of the solution is... -
Multiplicity of solutions for variable-order fractional Kirchhoff problem with singular term
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: R. Chammem --- University of Tunis el Manar, Tunisia A. Sahbani --- University of Tunis el Manar, Tunisia A. Saidani --- University of Monastir, TunisiaIn this paper, we consider a class of singular variable-order fractional Kirchhoff problem of the form: -
Social network and entrepreneurial intention of college students in China: A moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Haoxiang Hou --- Jiangnan University, China Lichao Ma --- Institute of Education, Tsinghua University, China Dan Wang --- , ChinaImproving college students’ entrepreneurial intention is an effective strategy to cultivate entrepreneurial talents and build an innovation-driven country. However, the influencing mechanisms on college students’ entrepreneurial intention are still unclear. The study explored the impact of college students’ social network... -
The self-reported well-being of children in Namibia: Testing hedonic and eudaimonic instruments
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shelene Gentz --- University of Namibia, Namibia Mònica Ruíz Casares --- Toronto Metropolitan University, Canada Ferran Casas --- Universidad Andrés Bello, ChileAlthough research on hedonic and eudaimonic children’s well-being is growing, these constructs need to be understood within the African context. In this study we validated two psychometric scales with 10 and 12-year-old children (n = 2 035) in the Namibian... -
Community social capital and mental health participation: Test of psychosocial mediators in two resource-poor urban communities in Ghana
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Francis Agyei --- University of Health and Allied Sciences, Ghana Ama de-Graft Aikins --- Institute for Advanced Studies (IAS), University College London (UCL), United Kingdom Annabella Osei-Tutu --- University of Ghana, Ghana Francis Annor --- University of Cape Coast, GhanaWe utilised a multiple mediation model to investigate the pathways linking dimensions of community social capital to collective participation in mental health promotion in two urban communities in Ghana. Participants (n = 384) were from Jamestown (n = 144) and... -
Areas of work–life and psychological reward satisfaction among new Chinese graduate nurses: The moderating role of psychological capital
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Huan Ma --- School of Nursing, Sichuan Vocational College of Health and Rehabilitation, China Jin-Mei Zou --- School of Nursing, Sichuan Vocational College of Health and Rehabilitation, China Ying Zhong --- Nursing Department, Zigong First People’s Hospital, China Dan Song --- School of Nursing, Sichuan Vocational College of Health and Rehabilitation, ChinaThis study aimed to explore the relationship between areas of work–life and psychological reward satisfaction, and the role of psychological capital in that relationship. Participants were from four Chinese major public hospitals (n = 532; female = 88.7%; mean age... -
On conjugacy of additive actions in the affine Cremona group
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ivan Arzhantsev --- HSE University, RussiaAn additive action on an irreducible algebraic variety X is an effective action with an open orbit of the vector group . Any two additive actions on X are conjugate by a birational automorphism of X. We prove that, if... -
Afrocentric triple helix: A communal perspective on addressing Africa’s economic and social challenges
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Motolani Agbebi --- University of Tampere, Finland Jianing Song --- University of Manchester, UK Aminu Mamman --- University of Manchester, UK Nabil Baydoun --- Academic Affairs, Vice Chancellor Office, Hamdan Bin Mohammed Smart University, United Arab EmiratesThat collaboration has always been the foundation of human development as well as the coping strategy of some animal species is a view widely shared by scholars. In fact, no individual, organization or nation can produce everything it needs without... -
Genetic consequences in the southern African endemic seabream Polysteganus undulosus (Sparidae) after eight decades of overfishing
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CJ Oosthuizen --- University of Pretoria, South Africa BQ Mann --- Oceanographic Research Institute (ORI), South Africa P Bloomer --- University of Pretoria, South Africa TB Hoareau --- University of Pretoria, South AfricaThe Critically Endangered seventy-four seabream Polysteganus undulosus, a slow-growing sparid that forms spawning aggregations off South Africa, faced heavy exploitation from 1910 until a fishery moratorium was put in place in 1998. Utilising temporal samples from 1962/1963 (mid-collapse) and 2005/2006... -
The low-volatility effect in African frontier equity markets
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Johannes Petrus Steyn --- Stellenbosch University, South Africa Evan Gilbert --- Stellenbosch University, South Africa Suzette Viviers --- Stellenbosch University, South AfricaThis study investigated the extent to which the low-risk anomaly is present in a pooled sample of nine African frontier equity markets from March 2004 to July 2023. Portfolio-level analysis was used to investigate the total stock returns of equally... -
AI service robots in a 4-star hotel: enhancing guest and employee experiences
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Frederik Jan van der Meulen --- Hotel Management School Leeuwarden, NHL Stenden University of Applied Sciences, The Netherlands Daniek Verhoeven --- Hotel Management School Leeuwarden, NHL Stenden University of Applied Sciences, The Netherlands Juliet Chipumuro --- Hotel Management School Leeuwarden, NHL Stenden University of Applied Sciences, The Netherlands Wilson Majee --- Hotel Management School Leeuwarden, NHL Stenden University of Applied Sciences, The NetherlandsArtificial intelligence (AI) has recently become a vital technology affecting several sectors, including hospitality. The expanding use of AI robots in functions previously performed by humans raises important issues — which are currently unknown — regarding how AI robotics may... -
Evaluation of the effect of soil acidity amelioration on maize yield and nutrient interrelationships using stepwise regression and nutrient vector analysis
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H.G. Jansen van Ransburg --- Department of Plant Production and Soil Science, University of Pretoria, Pretoria 0002, South Africa A.S. Claassens --- Department of Plant Production and Soil Science, University of Pretoria, Pretoria 0002, South Africa D.J. Beukes --- ARC-lnstitute for Soil, Climate and Water, Private Bag X79, Pretoria 0001, South AfricaThe interrelationships between elemental content of selected soil and leaf nutrients and maize grain yield were evaluated in a liming experiment conducted on a Hutton and Oakleaf soil in a resource-poor farming area in the Mpumalanga Province of South Africa... -
Subjective well-being of college students: Developmental trajectories, predictors, and risk for depression
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xinqiao Liu --- Tianjin University, China Yan Li --- Tianjin University, China Wenjuan Gao --- Institute of Higher Education, Beihang University, ChinaThe study aimed to identify different developmental trajectories of subjective well-being for 2 473 college students from freshman to senior year (female = 47.15%; mean age = 19.6 years, SD = 0.894 years). We further explored the associations between categories... -
Short-video usage and female college students’ restricted diets: a chain mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tingting Fu --- Normal University, China Xiong Li --- Guangzhou Huashang Vocational College, China Xuesong Wei --- Guangxi Technology and Business Vocational College, China Jun Qin --- Normal University, ChinaWith the popularity of short-video platforms, people’s self-concept and body views are everyday concerns, including their dieting. How short-video platforms impact people’s dieting especially for female college students, remain unclear. This study examines the mediating paths between short-video usage and... -
A review of the contribution of the Grassland Society of Southern Africa to understanding conservation and wildlife research and management in southern Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Mike JS Peel --- Agricultural Research Council – Animal Production Institute, South Africa Peter JK Zacharias --- , South AfricaWe identified 440 papers and 81 book reviews published chronologically by the Grassland Society of Southern Africa (GSSA) over 60 years, determined as making a contribution to understanding the drivers and response variables affecting the management and use of grassland... -
The effect of online nutrition and lifestyle education on body image dissatisfaction, body mass index, and disordered eating among female university undergraduate students in Lagos, Nigeria
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Foluke Adenike Olatona --- University of KwaZulu-Natal, South Africa Annette Van Onselen --- University of South Africa, South Africa Unathi Kolanisi --- University of Zululand, South Africa -
Are inorganic nitrogen concentrations in potassium chloride and saturated paste extracts of irrigated soils comparable?
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: D Steenekamp --- University of the Free State, South Africa LD van Rensburg --- University of the Free State, South Africa JH Barnard --- University of the Free State, South Africa CC du Preez --- University of the Free State, South AfricaPrecision agriculture is gaining momentum in irrigation through the assessment of soil salinity variability, often facilitated by electromagnetic induction (EMI) sensors. This study aimed to evaluate whether saturated paste extracts (SATe) could serve as a substitute for the standard 2... -
A mixed-methods study on human-frog interactions in Nature's Valley, South Africa
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Tiaan P Botha --- African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, North-West University, South Africa Louis H du Preez --- African Amphibian Conservation Research Group, Unit for Environmental Sciences and Management, North-West University, South Africa Jeanne Tarrant --- Anura Africa, South Africa Hendri Coetzee --- Nature’s Valley Trust, South AfricaDespite their ecological significance, frogs receive far less public support and funding for research and conservation than that afforded to more charismatic animals. An emerging perspective suggests that conservation success is dependent on understanding the cognitive, emotional, and behavioural aspects... -
Fractional integral inequalities for s-convex functions in the first sense
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Gültekin Tınaztepe --- Akdeniz University, Turkey Ilknur Yesilce Isik --- Aksaray University, TurkeyCertain fractional integral inequalities via general fractional integral operator are presented for s-convex functions in the first sense. Also, they are restated in terms of the Riemann-Liouville and Hadamard fractional integrals and illustrated. -
A critical point approach to non-local complex systems of fractional discrete equations
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Massimiliano Ferrara --- University Mediterranea of Reggio Calabria, Italy Shapour Heidarkhani --- Razi University, Iran Shahin Moradi --- Razi University, IranDiscrete fractional equations have emerged across various fields such as science, engineering, economics, and finance to better capture the characteristics of non-local complex systems. In this discussion, we explore the existence of at least three unique solutions for discrete fractional... -
On the analysis and integrability of the time-fractional stochastic potential-KdV equation
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Nida Zinat --- Government College University, Pakistan Akhtar Hussain --- The University of Lahore, Pakistan A.H. Kara --- University of the Witwatersrand, South Africa F.D. Zaman --- Government College University, PakistanThis study investigates the invariance properties of the time-fractional stochastic potential-KdV (FSP-KdV) equation, intending to enhance our understanding of the dynamics associated with nonlinear photon and optical soliton propagation. The application of the Lie group analysis method enables the derivation... -
Provenance variation, genetic parameters, and potential gains in Eucalyptus viminalis subsp. nobilis tested in two high altitude cool temperate sites in the summer rainfall region of South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Christopher Komakech --- , South Africa Annabel Fossey --- , South AfricaOver the past 50 years, commercial forestry in South Africa has expanded into mid and high altitude summer rainfall regions, predominantly planting Eucalyptus nitens and Eucalyptus macarthurii. However, the suitability of these sites is increasingly threatened by projected climate changes... -
Navigating taboos: A Gricean examination of communicating men’s reproductive health challenges in Kenya
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Melvin Ouma --- Rhodes University, South AfricaEffective communication between doctors and patients is a crucial aspect of medicine. This article uses Grice’s cooperative principles as a framework to explore doctor-patient communication in a male reproductive health clinic. This qualitative study was done in Kenya at a... -
Influence of actors’ interactions under agricultural innovation system lens on the adoption of rice innovations in Mvomero district and Ifakara Town council
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sospeter Jibunge Charles --- University of Dar es Salaam, TanzaniaThis study addresses the gap in empirical evidence on how and to what extent interactions among numerous actors within the Agricultural Innovation System (AIS) can influence smallholder farmers’ adoption of rice innovations. The study employed a mixed-methods embedded design to... -
Potential impact of the parasitising mite, Uropoda orbicularis, as a biological control agent for the red palm weevil, Rhynchophorus ferrugineus
Item type: Journal Article • Journal: African Zoology • Authors: Mahmoud Abbas Ali --- South Valley University, Egypt Ammar Al-Farga --- University of Jeddah, Saudia Arbia Hanaa S Hussein --- Alexandria University, EgyptThe invasive red palm weevil (RPW) Rhynchophorus ferrugineus is a major pest of palms worldwide. Developing biological control methods is a priority. This study investigated the potential of the mite Uropoda orbicularis as a biocontrol agent against RPW. Uropoda orbicularis... -
Public attitudes towards responsibilities and actions to curb obesity in South Africa: Second South African Human Development Pulse Survey
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Ashleigh Craig --- University of the Witwatersrand, South Africa Gudani Mukoma --- University of Venda,, South Africa Witness Mapanga --- University of the Witwatersrand, South Africa Asanda Mtintsilana --- University of Cape Town, South Africa Siphiwe N Dlamini --- University of the Witwatersrand, South Africa Lisa K Micklesfield --- University of the Witwatersrand, South Africa Shane A Norris --- University of the Witwatersrand, South Africa -
A hybrid regularization method for simultaneous inversion of source term and initial value in a time-fractional diffusion equation
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jin Wen --- Northwest Normal University, P.R. China Yong-Ping Wang --- Northwest Normal University, P.R. China Li-Ming Huang --- Northwest Normal University, P.R. China Donal O’Regan --- University of Galway, IrelandThis paper considers an inverse problem to find the space-dependent source term and initial data simultaneously in a time-fractional diffusion equation. This inverse problem is usually ill-posed, that is, small errors in the measurement typically lead to large errors in... -
Vegetation structure and defoliation patterns in heterogeneous grasslands under two herbage allowance levels
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Felipe Casalás --- University of the Republic, Uruguay Nicolas Caram --- University of the Republic, Uruguay Pablo Soca --- University of the Republic, Uruguay Marcelo Wallau --- University of Florida, USA Pablo Boggiano --- University of the Republic, UruguayUnderstanding the relationship between vegetation attributes and defoliation patterns at multiple spatiotemporal scales is crucial for optimising grazing systems. This study assessed the structural attributes of vegetation and the effects of defoliation frequency and intensity in a campos grassland under... -
Chemical composition and in-vitro dry matter degradability of Eragrostis curvula grass hay supplemented with Raphanus sativus
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Lwando Mbambalala --- School of Agricultural, Earth and Environmental Science, University of KwaZulu-Natal, South Africa Ntuthuko Raphael Mkhize --- School of Agricultural, Earth and Environmental Science, University of KwaZulu-Natal, South Africa Thamsanqa Doctor Empire Mpanza --- Agricultural Research Council-Animal Production: Animal Nutrition Section, South Africa Zikhona Theodora Rani-Kamwendo --- School of Agricultural, Earth and Environmental Science, University of KwaZulu-Natal, South Africa Sphesihle Mkhungo --- Department of Agriculture and Rural Development, South Africa Lucky Sithole --- Department of Agriculture and Rural Development, South Africa Mutshidzi Given Musekwa --- School of Agricultural Sciences, Faculty of Natural and Agricultural Sciences, South Africa Lusanda Ncisana --- School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, South Africa Khuliso Ravhuhali --- School of Agricultural Sciences, Faculty of Natural and Agricultural Sciences, South Africa Tlou Julius Tjelele --- University of South Africa, South AfricaIn developing countries, smallholder livestock farmers face significant challenges due to inadequate feed availability and poor-quality forage. This study investigated the potential of fodder radish (Raphanus sativus) as a protein supplement for low-quality grass hay. Specifically, it examined the effects... -
Numerical solution of the simultaneous identification problem for a time-fractional diffusion equation
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Zhousheng Ruan --- East China University of Technology, P.R. China Jie Zhou --- East China University of Technology, P.R. China Guanghong Wan --- East China University of Technology, P.R. China Wen Zhang --- East China University of Technology, P.R. ChinaIt is a key problem to determine the initial diffusion time and initial value in a time fractional diffusion model when using the fractional diffusion model to describe the emerging anomalous diffusion phenomenons in real world. This paper considers a... -
Tight Toughness Bounds for Fractional (k, n)-Critical Graphs with Large n
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Wei Gao --- School of Mathematics, Hohai University, China Weifan Wang --- School of Mathematical Sciences, Zhejiang Normal University, China Yaojun Chen --- School of Mathematics, Nanjing University, ChinaA graph G is called a fractional (k, n)-critical graph if G − V ′ admits a fractional k-factor for any V ′ ⊆ V (G) with |V′| = n. The main result in this paper states the following facts:... -
Sediment dynamics in the Roman Rock area of False Bay, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Terhorst --- Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia M de Vos --- University of Connecticut, United States C Rautenbach --- Waikato Regional Council, New ZealandThis study investigated sediment dynamics in the Roman Rock area of False Bay, South Africa, by integrating sediment grain size data with hydrodynamic and wave modelling. We examined two significant events: a long-period southwesterly swell in 2008, and a prolonged... -
Making and remaking life under threat: fenceline communities in eMalahleni, Mpumalanga
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Zaakiyah Rabbaney --- University of the Western Cape, South AfricaIn fenceline communities alongside coal extraction operations in South Africa, residents experience extreme environmental, social and economic conditions that can be traced to the country’s extractivist economy and race-based capitalist logic that created informal settlements in abandoned landscapes to which... -
Impact of catch and release on the welfare of bronze seabream Pachymetopon grande in the South African marine shore-based fishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: EC Butler --- Rhodes University, South Africa MW Farthing --- Rhodes University, South Africa CS Bova --- Rhodes University, South Africa A-R Childs --- Rhodes University, South Africa WM Potts --- Rhodes University, South AfricaThe practice of catch-and-release (C&R) angling is increasingly being integrated into recreational fisheries as a conservation strategy to promote sustainability. However, C&R can still have lethal or sublethal effects owing to various stressors involved in the act of angling. Using... -
Approximation and Compactness
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: E. Colebunders --- Vrije Universiteit Brussel, België R. Lowen --- Universiteit Antwerpen, BelgiëIn approach theory convergence is described by means of limit and adherence operators acting on filters or ultrafilters. The value of the limit resp. adherence operator on an (ultra)filter in a point x is interpreted as the distance that the... -
The role of concave functions in the study of interpolative contractions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Marija Cvetković --- University of Niš, SerbiaThe interpolative contraction and its numerous generalizations motivated this study on its relation to previously known classes of contractive mappings. We will prove that by using of the concave property of the logarithmic function (or Jensen’s inequality), it is possible... -
A reduced-parameter predator–prey model of soil formation from bedrock and biomass
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Animesh Samanta --- The Neotia University, India Priyanka Mandal --- The Neotia University, India Ayan Chatterjee --- The Neotia University, IndiaSoil–bedrock interaction on hillslopes is not well-studied, though it's affected by many physical and chemical factors. The aim of the present mathematical modelling study is to construct a model for soil formation utilising ordinary differential equations, all while reducing the... -
Drivers of timber supply in an archetypical African economy, Cameroon: some policy implications for sustainable development
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ernest L Molua --- University of Buea, CameroonTimber features as an important commodity in the trade portfolio of some African countries as it is accessible, lucrative, and necessary for construction and development. For these reasons, the supply of timber has implications for sustainable development. This research evaluated... -
Global solutions for the time-space fractional rotating magnetohydrodynamic equations in Besov spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jinyi Sun --- College of Mathematics and Statistics, P.R. China Yuanwei Mai --- College of Mathematics and Statistics, P.R. China Yatao Li --- Jiangxi University of Finance and Economics, P.R. ChinaThis paper is devoted to the time-space fractional rotating magnetohydrodynamic equations in Besov spaces. By exploiting the interweaving action of the smoothing effects of the fractional Laplacian dissipation and dispersive effects of the Coriolis force involving with the time-fractional evolution... -
Interactions between Red-billed Oxpeckers (Buphagus erythrorhynchus) and hippopotamus (Hippopotamus amphibius) in the Salambala Conservancy, Namibia
Item type: Journal Article • Journal: African Zoology • Authors: Michael S Lukubwe --- Department of Zoology and Entomology, Rhodes University, South Africa Adrian JFK Craig --- Department of Zoology and Entomology, Rhodes University, South Africa Charles Byaruhanga --- Department of Veterinary Tropical Diseases, University of Pretoria, South AfricaOxpeckers (Buphagus spp.) play dual roles as mutualists and parasites of large mammals, primarily engaging in ectoparasite removal, with occasional instances of wound feeding. However, studies on their interactions with semi-aquatic species, such as hippopotamus (Hippopotamus amphibius, hereafter hippos), remain... -
Existence and uniqueness of solution to a class of nonlinear variable fractional-order wave equations
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Shuhua Wang --- Northwest University, P.R. China Biao Zeng --- Guangxi Minzu University, P.R. ChinaIn this work, we deal with the results on existence and uniqueness for a class of fractional wave equations involving nonlinear variable fractional-order derivative by the Rothe-Galerkin’s method. Firstly, we give the weak form of the wave equation without impulsive...
