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Growth, Yield and Timber Density of Short Rotation Coppice Stands of Eucalyptus grandis
Item type: Journal Article • Journal: South African Forestry Journal • Authors: A. P.G. Schönau --- Institute of Commercial Forestry Research, South AfricaThe effects of timing initial coppice reductions, number of reductions and final number of shoots per stool on growth and yield of Eucalyptus grandis are described. The basic data were obtained from three experiments situated in different climatic zones of... -
The Changing Landscape—is there Room for Forestry in the New South Africa?
Item type: Journal Article • Journal: South African Forestry Journal • Authors: GuyA. Cellier --- Mondi Forests,South Africa is going through a period of radical change, and traditionally disadvantaged people are expecting access to resources and opportunities that have thus far been denied them. -
Performance of Medicago sativa under dryland conditions on the eastern Highveld
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: N F G Rethman --- Department of Plant Production, J J Odendaal --- Department of Agriculture & Water Supply, Transvaal Region, C C De Witt --- Department of Agriculture & Water Supply, Transvaal Region,Increased livestock numbers and improved animal performance based on dryland lucerne pastures requiring little or no nitrogenous fertilizer have been demonstrated to be feasible on the eastern Highveld. With large scale planting of lucerne‐based pasture (25% of arable land) 350... -
Die evaluasie van droëland Cenchrus ciliaris L. cv Molopo vir speenkalf‐produksie in die sentrale grasveld
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: L.G. du Pisani --- , J.P. van Niekerk --- , H.O. de Waal --- , I.W. Knight --- ,Speenkalfproduksie op droëland Cenchrus ciliaris‐weiding is by drie veeladings onder aanhoudende beweiding ondersoek (1978–83). Verskille in beskikbare bogrondse fitomassa (BBF), speenmassa en die ekonomie van speenkalfproduksie word bespreek. -
The effect of fire on germination in five common veld grasses
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: P.J.K. Zacharias --- Department of Grassland Science, N.M. Tainton --- Department of Grassland Science, C. Oberholster --- Department of Grassland Science,The effect of fire on the germination of Themeda triandra, Heteropogon contortus, Panicum maximum, Aristida junciformis and Spowbolus africanus was investigated. Seeds exposed directly to the fire were destroyed in all species. The germination of seeds buried (7 to 9... -
‘n Vergelyking van wei‐ en voergewasse vir die produksie van slaglammers in die Pretoria‐ Witwatersrand‐Vereeniging(PWV)‐gebied
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: P.A. Pieterse --- Departement Plantproduksie, Republiek van Suid‐Afrika J.O. Grunow --- Departement Plantproduksie, Republiek van Suid‐Afrika N.F.G. Rethman --- Departement Plantproduksie, Republiek van Suid‐Afrika W.A. van Niekerk --- Departement Veckunde, Republiek van Suid‐AfrikaA comparison of pasture and fodder crops for the production of slaughter lambs in the Pretoria‐Witwatersrand‐Vereeniging (PWV) area. A number of pasture and fodder species were evaluated for the production of mutton with weancr lambs. Animal performance and meat production... -
Quantitative description of woody plant communities: Part II. Computerized calculation procedures
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: G.N. Smit --- Department of Agriculture and Water Supply (Transvaal Region), Republic of South AfricaCalculation procedures for various quantitative descriptive unit‐values are described. These procedures are divided into primary and secondary calculations. The former is then divided into the calculation of spatial tree volume and preliminary calculations regarding the complete quantitative description. The latter... -
A conceptual stocking rate model for the moderately dry mixed and sourveld
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.R. Turner --- Department of Grassland Science, Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaResults for the 1986/87 season from 15 grazing trials situated at five sites were used to develop a qualitative model describing the relationships between stocking rate and herbage mass and between stocking rate and individual animal performance. Although it cannot... -
Die invloed van bemesting op die spesiesamestelling en basale bedekking van beweide veld in die Potchefstroom‐omgewing
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: FranciP. Janse van Rensburg --- Departement Landbou en Watervoorsiening, Republiek van Suid‐Afrika R.H. Drewes --- Departement Landbou en Watervoorsiening, Republiek van Suid‐Afrika J.W. Cilliers --- Departement Landbou en Watervoorsiening, Republiek van Suid‐Afrika A.C. Beckerling --- Departement Landbou en Watervoorsiening, Republiek van Suid‐AfrikaThe impact of fertilization on veld in the Potchefstroom area was investigated. Nitrogen and phosphorus were applied annually from 1972/73 until 1981/82. The control plots and the fertilized plots were grazed with year‐old steers. Species composition and basal cover were... -
A comparison of continuous and rotational grazing on veld at two stocking rates
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: D.L. Barnes --- Department of Agricultural Development (Transvaal Region), Republic of South Africa R.P. Denny --- , Republic of South AfricaTwo rotational grazing procedures, a four‐paddock system with a 10‐day period of stay and an eight‐paddock system with a 5‐day period of stay, were compared with continuous grazing on veld. The trial was conducted 40 km south of Bulawayo in... -
The Potch System: An approach to the management of semi‐arid grasslands in southern Africa
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: R.H. Drewes --- Department of Agricultural Development, Republic of South AfricaA host of grassland management systems have been published and recommended. Whereas earlier approaches to grassland management emphasized the systematic resting aspect, the systems published since 1966 have tended to stress the degree of utilization of the grassland sward. In... -
‘n Tegniek om beskikbare bogrondse fitomassa van graspolle in ontblaring‐studies te kwantifiseer*
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.J. Jordaan --- Departement Landbou‐ontwikkeling (Transvaalstreek), Republiek van Suid‐Afrika N.F.G. Rethman --- Departement Plantproduksie, Republiek van Suid‐Afrika P.A. Pieterse --- Departement Plantproduksie, Republiek van Suid‐AfrikaA technique to quantify available above‐ground phytomass of grass tufts in defoliation studies is described. Highly significant correlations were found between tuft volume and above‐ground phytomass in eighteen out of twenty‐two species that were examined. Tuft volume can therefore be... -
Pedogeomorphic aspects of the Roodepoort area, Transvaal: Soil depth-slope relationships
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.C. Munnik --- Department of Geography, E. Verster --- Department of Geography, T.C. van Rooyen --- Department of Geography,Fifty hillslope profiles with associated soils in the Roodepoort area, Transvaal, were examined to determine the relationships between soil depth and hillslope characteristics. A meso-scale approach was adopted which implied the relationship between three soil depth phases and the hillslope... -
Physical properties of some highveld Vertisols
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K. Snyman --- , M.V. Fey --- Department of Soil Science and Agrometeorology, A. Cass --- Department of Soil Science and Agrometeorology,Surface (0–20 cm) soils were sampled at 100 m intervals along a 3 km transect through Vertisols derived from dolerite and Ecca group mudstone near Standerton, Transvaal. The two geologically correlated soil bodies, which historically appear to have formed the... -
Invloed van bewerking en besproeiing op die verwering van gneis in die Augrabies-gebied
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.F. Eloff --- Departement van Landbou en Watervoorsiening, W. F.A. Kirsten --- Departement van Landbou en Watervoorsiening, B.L. Plath --- Departement van Landbou en Watervoorsiening,Fisiese, chemiese en mineralogiese kriteria is gebruik om te bepaal of veranderinge in eienskappe van gronde op gneise, in die Augrabies-gebied, as gevolg van bewerking en besproeiing plaasgevind het. Bewerking en besproeiing van die halfverweerde gneise het die verweringsproses versnel... -
Soil-site relationships in the Roodepoort area, Transvaal
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.C. Munnik --- Department of Geography, E. Verster --- Department of Geography, T.H. van Rooyen --- Department of Geography,Fifty hillslope profiles with associated soils were examined in the Roodepoort area, Transvaal, to determine the relationships between soil and site characteristics, as well as the applicability of the toposequence concept. A mesoscale approach was adopted, which implied a relationship... -
Kleimineralogie, katioonuitruilkapasiteit en waterhouvermoë van grondvorms in die Hoëveldstreek
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: AstridM. Hattingh --- Hoëveldstreek, Departement van Landbou en Watervoorsiening,Kleimineralogiese data vir 12 grondvorms, wat algemeen in die Hoëveldstreek voorkom, is ondersoek. Die persentasie monsters waarin 'n bepaalde kleimineraal voorkom, is bereken. Daaruit is dit duidelik dat smektiet algemeen in gronde van die Arcadia-, Bonheim, en Rensburgvorms voorkom, maar... -
Soils derived from granite in two Mt. Garnet toposequences, North Queensland, Australia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E. Verster --- Department of Geography, Republic of South AfricaTwo toposequences derived from granite in the Mt. Garnet area, North Queensland, were examined to determine the detailed soil - landform relationships in order to facilitate subsequent broad-scale mapping of the soil resource. The dominant landsurface feature is gently sloping,... -
A simple, accurate method of estimating maximum total evaporation from a wheat crop during the daylight period
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W.H. van Zyl --- Department of Agrometeorology, Republic of South Africa J.M. de Jager --- Department of Agrometeorology, Republic of South Africa C.J. Maree --- Department of Agrometeorology, Republic of South AfricaThe use of empirical relationships for the calculation of the energy and aerodynamic components of the Penman-Monteith equation were tested against measured data. Accurate estimates of maximum total evaporation, Em, from a wheat crop were obtained. The empirical equation utilizes... -
Effect of Busseola fusca on the incidence of maize ear rot caused by Fusarium moniliforme and Stenocarpella maydis
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: B.C. Flett --- , Republic of South Africa J. B.J. van Rensburg --- , Republic of South AfricaThe influence of Busseola fusca incidence and damage on Fusarium moniliforme and Stenocarpella maydis ear rots was studied in the field using artificial infestation with B. fusca, mechanical damage and pathogen inoculation. B. fusca infestation increased the incidence of F... -
Evaluation of maize hybrids for kernel colonization by Fusarium moniliforme and F. subglutinans
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: B.C. Flett --- Summer Grain Centre, Republic of South AfricaMaize kernels from six commercially grown hybrids were collected from various localities for three seasons. The incidence of kernel colonization by Fusarium moniliforme and F. subglutinans was determined by plating out 400 representative kernels per sample onto a Fusarium spp... -
Season of application and glyphosate formulation as factors influencing the efficacy of glyphosate on phyllode-bearing Australian acacias
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.J. Pieterse --- Department of Agronomy and Pastures, Republic of South Africa J.B. McDermott --- , Republic of South AfricaInvasive phyllode-bearing Australian acacias are more difficult to control chemically than true-leaved acacias. Indications were that season of application influenced the efficacy of herbicides when used against these plants. In this experiment two formulations of glyphosate (with low and high... -
Manipulasie van sori-voorkoms op Rumohra adiantiformis blare
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: ElsaS. van Wyk --- Departement Plantproduksie, Republiek van Suid-Afrika A.B. Wessels --- Departement Plantproduksie, Republiek van Suid-Afrika R. Owen --- Sentrum vir Navorsingondersteuning en Rekenaarkundigheid, Republiek van Suid-AfrikaRumohra adiantiformis (G. Forst.) Ching, die Seweweeks- of Knysnavaring se gewildheid as snyloofproduk neem vinnig toe. Onder natuurlike groeitoestande ontwikkel die Knysnavaring slegs beperkte hoeveelhede sori, terwyl groot hoeveel- hede sori ontwikkel wanneer die varing onder skadunet verbou word. Die... -
The base status criterion in South African soil classification
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M.V. Fey --- Department of Agronomy, Republic of South Africa M.J. Donkin --- , Republic of South AfricaEvidence is considered which indicates that the sum of extractable bases and acidity, termed the effective cation exchange capacity (ECEC), is a more reliable criterion than the S-value (sum of exchangeable bases only) for differentiating soils in terms of the... -
Using different sample holders in determining protein and moisture content in whole wheat flour by means of Fourier transform near infrared (FT-NIR) spectroscopy
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: L. van Zyl --- Department of Food Science, Republic of South Africa M. Manley --- Department of Food Science, Republic of South Africa B.G. Osborne --- , AustraliaFourier transform near infrared (FT-NIR) spectroscopy was used to record the spectra of 92 whole wheat flour samples presented in three different sample holders. The conventional sample cup with a sapphire-glass base (provided with the spectrophotometer), borosilicate-glass vials and soda-glass... -
Deriving a grain hardness calibration for Southern and Western Cape ground wheat samples by means of the particle size index (PSI) method and Fourier transform near infrared (FT-NIR) spectroscopy
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. Manley --- Department of Food Science, Republic of South Africa L. van Zyl --- Department of Food Science, Republic of South Africa B.G. Osborne --- , AustraliaThe bread wheat hardness scenario among the Southern and Western Cape cultivars was investigated by deriving a FT-NIR hardness calibration for 198 ground bread wheat samples and using the particle size index (PSI) test as referencê method. Particle size index... -
Resistance in South African and foreign wheat cultivars to pathotypes 6E16A- and 6E22A- of Puccinia striiformis f. sp. tritici
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W. H.P. Boshoff --- , Republic of South Africa Z.A. Pretorius --- Department of Plant Pathology, Republic of South Africa B.D. van Niekerk --- , Republic of South AfricaStripe rust, caused by Puccinia striiformis Westend. f. sp. tritici Eriks., has become an endemic disease of wheat (Triticum aestivum L.) in South Africa after being observed for the first time near Moorreesburg, Western Cape, during August 1996. The reaction... -
Fungicide efficacy and the impact of stripe rust on spring and winter wheat in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: W. H.P. Boshoff --- , Republic of South Africa Z.A. Pretorius --- Department of Plant Sciences, Republic of South Africa B.D. van Niekerk --- , Republic of South AfricaField trials were conducted from 1997 to 1999, in both the winter and summer rainfall areas of South Africa, to determine the effect of Puccinia striiformis Westend, f. sp. tritici Erikss. on yield and quality of bread wheat (Triticum aestivum... -
Transfer of rust resistance genes from Triticum species to common wheat
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.F. Marais --- Department of Genetics, South Africa Z.A. Pretorius --- Department of Plant Sciences, South Africa A.S. Marais --- Department of Genetics, South Africa C.R. Wellings --- , AustraliaA programme aiming to transfer leaf rust resistance genes identified in a collection of wild Triticum species was initiated in 1993. In 2000, 25 promising backcross populations were available, 19 of which bred true for resistance. Seedlings of the above... -
Determining milling performance of sorghum cultivars by means of abrasive decortication and roller milling techniques
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: M. van der Merwe --- , Republic of South Africa G. Osthoff --- Department of Microbial, Biochemical and Food Technology, Republic of South Africa A.J. Pretorius --- , Republic of South AfricaAlthough roller milling has been successfully applied to produce sorghum meal, the South African sorghum milling industry mostly uses abrasive decortication milling. The first objective of this study was to develop a laboratory-scale roller milling technique for a scaled-down roller... -
Clay mineral associations in soils of the Lusikisiki area, Eastern Cape Province, and their agricultural significance
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: C. Bühmann --- , D.J. Beukes --- , D.P. Turner --- ,The study deals with changes in clay mineral associations with soil development and related implications for land users in the Lusikisiki area of the Eastern Cape Province of South Africa. Fifteen profiles, encompassing all major soil forms in the region,... -
Distribution of magnesium forms in surface soils of Central Southern Nigeria
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: I.O. Osemwota --- Department of Soil Science, Nigeria J.A.I. Omueti --- Department of Agronomy, Nigeria A.I. Ogboghodo --- Department of Soil Science, Edo StateThe distribution of various Mg forms in selected surface soils of the Edo State of Central Southern Nigeria was studied to contribute for a basic understanding of where and in what fractions Mg was located. Twenty surface (0 – 15cm)... -
Comparison of SSR and AFLP analysis for genetic diversity assessment of Ethiopian arabica coffee genotypes
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Yigzaw Dessalegn --- , Ethiopia Liezel Herselman --- Department of Plant Sciences, Maryke Labuschagne --- Department of Plant Sciences,Knowledge of genetic diversity within and among genotypes of any crop is fundamental for estimation of the potential genetic gain in a breeding programme and effective conservation of available genetic resources. Currently, different molecular marker techniques are being developed for... -
Preliminary assessment of bambara groundnut (Vigna subterranea L.) landraces for temperature and water stress tolerance under field conditions in Botswana
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A. Sesay --- Botswana College of Agriculture, Botswana T. Mpuisang --- Botswana College of Agriculture, Botswana T.S. Morake --- Department of Agricultural Research, Ministry of Agriculture, I. Al-Shareef --- School of Bioscience, Department of Plant and Crop Science, UK H.J. Chepete --- Botswana College of Agriculture, Botswana B. Moseki --- Department of Biological Sciences, BotswanaField experiments were conducted in 2006/07 and 2007/08 in Botswana to study the response of bambara groundnut to heat stress (2006/07 season) and to heat stress and soil moisture deficit stress (2007/08 season). In both seasons selected bambara groundnut landraces... -
Evaluation of a class of possible simple interim management procedures for the Namibian hake fishery
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: D. S. Butterworth H. F. GeromontDuring 1997, considerable scientific differences arose about the status of the Namibian hake (Merluccius capensis and M. paradoxus) resource, and as to whether the hake Total Allowable Catch (TAC) should be substantially decreased or increased. These differences revolved primarily around... -
Case studies on the socio-economic characteristics and lifestyles of subsistence and informal fishers in South Africa
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: G. M. Branch J. May B. Roberts E. Russell B. M. ClarkTo develop a management strategy for informal fishers, a necessary first step is information about the nature of these fishers, their numbers and their socio-economic status. To accomplish this, a survey of socio-economic conditions and use of marine resources was... -
THE INTERRELATIONSHIPS BETWEEN THE BIOLOGICAL AND PHYSICO-CHEMICAL PARAMETERS IN THE WATER PHASE OF SESHEGO DAM, NORTHERN TRANSVAAL
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: Antoinette Jooste --- Department of Zoology and Biology, South AfricaSeshego Dam, Lebowa, was investigated over a period of 15 months (1974 – 1975). The interrelationships between biological parameters such as Biological Growth Potential (BGP), anaerobic fecal and coliform bacteria, Cladocera and Copepoda were established by means of factor and... -
NOTE ON THE OCCURRENCE OF A VENTRAL SUCKER-LIKE MOUTH FORM IN LABEO UMBRATUS (PISCES, CYPRINIDAE)
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: I.G. Gaigher --- , South AfricaThe occurrence of a ventral sucker-like mouth form in certain populations of Labeo umbratus, which are free from competition by L. aapensis, is reported. It is proposed that this might be an adaptation to feeding off stones which enhances the... -
Aerial and Aquatic Respiration in the River Crab Potamonautes Warreni Calman with Notes on Gill Structure
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: W.J. van Aardt --- Department of Zoology, South AfricaThe oxygen consumption rate (ṀO2) for Potamonauteus warreni Calman (= Potamon warreni (Calman) kept in 25 °C water was 34,4 μmol 1−1 O2 kg−1 and after 72 hours in 98% R.H. air the rate was 31,9 μmol 1−1 O2 kg−1... -
CHANGES IN URBAN RESIDENTIAL LAND IN THE RIETSPRUIT CATCHMENT, SOUTHERN TRANSVAAL
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: M.J. Silberbauer --- Department of Water Affairs, South Africa J. Moolman --- Department of Water Affairs, South AfricaInformal settlements have become an important and rapidly-expanding component of urban development in South Africa. In the Rietspruit catchment, south-west of Johannesburg, average growth rates in urban land cover of up to 2.7 km2 per year (1972–1991) were measured from... -
A REVIEW OF THE AQUATIC AVIFAUNA OF THE MHLATHUZE ESTUARY
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: D. P. Cyrus --- , , South AfricaThis paper is the first published review of the aquatic avifauna of the Mhlathuze Estuary. It also uses a regional approach in order to determine the potential for certain hitherto unrecorded species to occur there. The study shows that there... -
Diet selection of goats in the communally grazed Richtersveld National Park
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: HH Hendricks PA Novellie WJ Bond JJ MidgleyThe study provided an account of the diet selection of goats within the Richtersveld National Park and focused on (a) diet composition, (b) plant growth-forms, (c) principal and preferred food plants. The conservation status of these food plants was also... -
Remote sensing and change detection in rangelands
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: AnthonyR. Palmer Alex FortescueDuring the 20 th century, we have witnessed an improvement in the quality of imagery available for rangeland auditing, from the earliest mono-chromatic aerial photographs, followed by the first infra-red images, to the abundance of high resolution, multi-spectral imagery currently... -
Long‐term effects of different rotational grazing schedules on the productivity and floristic composition of Tall Grassveld in KwaZulu‐Natal
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: C.D. Morris --- Department of Grassland Science, Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaNine simulated rotational grazing systems, comprising combinations of three different periods of occupation (2, 10 and 20 days) and three periods of absence (20, 40 and 60 days), were applied to Tall Grassveld for 24 years (1967–1991), using sheep. All... -
Effect of maturity stage and method of preservation on the yield and quality of babala
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: L.D. Snyman --- , South Africa H.W. Joubert --- , South AfricaThe effect of maturity stage on the total yield (all harvests throughout the season) of some forage components and on the chemical composition and in vitro dry matter digestibility (IVDMD) (first harvest) of babala, was investigated. The effects of various... -
Landscape-level differences in fire regime between block and patch-mosaicburning strategies in Mkuzi Game Reserve, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: CM Mulqueeny --- , South Africa PS Goodman --- , South Africa TG O'Connor --- School of Animal, Plant and Environmental Sciences, South AfricaPatch-mosaic burning (PMB) is commonly advocated to create a mosaic of fire regimes that is believed to be more beneficial for maintaining biodiversity than the relatively homogeneous environment produced by block burning. This premise was examined for the 23 651... -
The effect of soil carbon on symbiotic nitrogen fixation and symbiotic Rhizobium populations in soil with Trifolium repens as host plant
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: PA Swanepoel --- Technology, Research and Development, Department of Agriculture: Western Cape, South Africa PR Botha --- Technology, Research and Development, Department of Agriculture: Western Cape, South Africa WF Truter --- Department of Plant Production and Soil Science, South Africa AKJ Surridge-Talbot --- Department of Plant Production and Soil Science, South AfricaSoil organic carbon (SOC) is the main attribute of high-quality soil. The amount of nitrogen fixed by Rhizobium symbiotically with Trifolium repens (white clover) is ultimately determined by the quality of the soil environment. The effect of SOC on the... -
Development and sustainable management of rangeland commons – aligning policy with the realities of South Africa's rural landscape
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Susanne Vetter --- Department of Botany, South AfricaPolicy affecting the rangeland commons in South Africa has been based largely on management models developed for large-scale commercial farming. This paper examines the current policy situation and discusses some of the most pervasive ecological and economic assumptions that have... -
Livestock and the rangeland commons in South Africa's land and agrarian reform
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Ruth Hall --- Institute for Poverty, Land and Agrarian Studies, South Africa Ben Cousins --- Institute for Poverty, Land and Agrarian Studies, South AfricaLand and agrarian reform has the potential to expand South Africa's rangeland commons and enhance their contribution to the livelihoods of the rural poor, yet to a large extent this has been an opportunity missed. Shifting policy agendas have prioritised... -
Reshaping women's land rights on communal rangeland
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Karin Kleinbooi --- Institute for Poverty, Land and Agrarian Studies, South AfricaThis paper aims to contribute to the debates on communal rangelands and analyses the gendered dimension of land rights and land access in the rural areas of Namaqualand. The actual gender relations within rural communities and the emergence of strategies... -
Root volume and raising period affect field performance of Pinus patula cuttings in South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: R. G. Mitchell J. Zwolinski N. B. Jones A. D. BayleyThe propagation of pines through cuttings has become a commercial means of rapidly multiplying improved genetic material for operational use in forestry companies. Cuttings of pines are produced entirely in containers in South Africa. Containers, however, can negatively affect plant... -
The effects of ontogenetic maturation in Pinus patula – Part II: Hedge cycling and field performance
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: R. G. Mitchell N. B. JonesEarly studies suggest that the juvenile period, during which favourable rooting can be achieved from Pinus patula seedling hedges, may be as short as 2 years from the date of sowing. If the effects of hedge maturation cannot be delayed,... -
Towards an Information System for Forestry
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Christoph Kätsch --- Department of Forest Science, BrianV. Bredenkamp --- Department of Forest Science,Management of information as a production factor is imperative in modern forestry practice. However, development of individual application programmes has resulted in systems which cannot be integrated without excessive effort and expense. It is shown that the route to an... -
Species composition and phytogeographical significance of an afromontane forest fragment in the Mpumalanga province, South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: T.L. Morgenthal --- , South Africa S.S. Cilliers --- , South AfricaA floristic survey of an afromontane forest fragment, Pedlar's Bush, was done as part of an effort to proclaim this forest as a national heritage site. A checklist of 245 plant taxa has been compiled for Pedlar's Bush. The phytogeographical... -
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... -
The Relationship Between Hope And Goal Achievement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: David J.F. Maree --- University of Pretoria, Marinda Maree --- University of Pretoria, Charmaine Collins --- University of Pretoria,The aim of this study was to explore the psychological resource structure of students as assessed by the Hope Orientation Measure or HOME instrument. The aim was also to find what the relationship between this resource structure and goal achievement... -
Teacher Ratings and Standardised Test Scores: How Good for Predicting Achievement in Students with Learning Support Placement?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Levison Maunganidze --- Zimbabwe Open University, Nancy Ruhode --- Zimbabwe Open University, Loice Shoniwa --- Zimbabwe Open University, Solomon Nyanhongo --- Midlands State University, Joseph M. Kasayira --- Midlands State University, Tholene Sodi --- University of Venda, South AfricaThe study analysed the relationships between teacher ratings and standardised test scores in Reading and Mathematics for students receiving learning support for learning difficulties (n = 60, mean age= 16.3). Teacher ratings were found to significantly predict pupils' performance in... -
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... -
‘We Do Not Cook, We Only Assist Them’: Constructions of Hegemonic Masculinity Through Gendered Activity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kopano Ratele --- University of South Africa/Medical Research Council, Tamara Shefer --- University of the Western Cape, Anna Strebel --- Independent Researcher, Elron Fouten --- Rhodes University,This article discusses how the gendering of activity by boys coincides with, contests or recreates constructions of hegemonic masculinity in the context of South Africa. The study used a qualitative methodology including a series of three focus groups with 14–16... -
Perceptions of Staffriding in Post-Apartheid South Africa: The Lethal Thrill of Speed or the Masculine Performance of a Painful Past?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Dimakatso Sedite --- University of South Africa, Brett Bowman --- University of the Witwatersrand, Lindsay Clowes --- University of the Western Cape,Staffriding, or train surfing, involves taking life threatening physical risks by moving around the outside of moving trains. In aiming to better understand this risky practice, this small scale qualitative study used three semi-structured interviews and three focus discussions to... -
Men in Uniforms: Masculinity, Sexuality and HIV/AIDS in Western Rwanda
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bjarke Oxlund --- University of Copenhagen, Denmark Lise Rosendal Østergaard --- University of Copenhagen, Denmark Geoffrey Ngiruwonsanga Kayonde --- Adventist Development and Relief Agency, RwandaThe objective of this study was to provide an in-depth description and analysis of the lived experiences of men in uniforms in Western Rwanda with a view to the links between notions of masculinity, sexual practices and the spread of... -
Influence of Socio-Demographic Factors on SRAVEN Performance
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Raegan Murphy --- University College Cork, Ireland Nafisa Cassimjee --- University of Pretoria, South Africa Clare Schur --- University of Pretoria, South AfricaThis exploratory study aimed to investigate the influence of specific socio-demographic variables on a computerized test of non-verbal neuropsychological performance. Six hundred and thirty South African first year students were assessed using the University of Pennsylvania Computerized Neuropsychological Test Battery... -
Aspects of Alcohol Use at a South African University Campus
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Almon Shumba --- Central University of Technology, South Africa Sikhululekile Ncube --- University of Fort Hare, South AfricaThis study sought to investigate aspects of alcohol use by students attending a South African university. A convenience sample of 40 students (20 male, 20 female; aged 20–30 years.) participated. Data were collected using a self-administered questionnaire and interviews in... -
Adherence to Antiretroviral Therapy in Low Socioeconomic Status Community Sample
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- Human Sciences Research Council, University of the Free State, South AfricaThe study reports on antiretroviral treatment adherence in a KwaZulu-Natal sample with a follow-up period of 20 months. Participants were 498 predominatly Black females living with HIV and AIDS. Four-hundred and ninety-six of the participants (91.6%) were found to be... -
Lived Experiences of Informal Settlers in Peri-Urban Districts in Zimbabwe
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Excellent Chireshe --- Great Zimbabwe University, Zimbabwe Takupiwa Nyanga --- Great Zimbabwe University, Zimbabwe John S. Mapfumo --- Africa University, Zimbabwe Regis Chireshe --- University of South Africa,The study explored the lived experiences of informal settlers in two peri-urban cities of Zimbabwe (n=53, males=19, females=34; Age range 18 to 76 years). The settlers self-reported on aspects of wellbeing, including perceived neighborliness of habitats. Data were thematically analyzed... -
Psychological Strengths as Predictors of Postgraduate Students' Academic Achievement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Sanet van der Westhuizen --- University of South Africa, Marié de Beer --- University of South Africa, Nomfusi Bekwa --- University of South Africa,This study sought to predict students' Grade Point Average (GPA) from their personal sense of coherence, locus of control, hope and research self-efficacy. Participants were 429 postgraduate students at a large South African university (males = 86, females = 311,... -
Tobacco Use and Associated Factors in Older Adults in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- Human Sciences Research Council, South Africa Nancy Phaswana-Mafuya --- Human Sciences Research Council, South AfricaThis study aimed to determine the prevalence of tobacco use and their associated factors in older South Africans. We conducted a national population-based cross-sectional study with a sample of 3840 aged 50 years or older in South Africa in 2008... -
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)... -
Responsive Integrative Treatment of Clients with PTSD and Trauma-Related Disorders: An Expanded Evidence-Based Model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: David Edwards --- Rhodes University,In this article a practitioner oriented review of the literature on the treatment of post-traumatic stress disorder is used to construct a phase-based model that can serve as a basis for case formulation and treatment planning. Treatments shown to be... -
The Relationship Between Emotional Intelligence, Study Orientation in Mathematics and the Mathematics Achievement of the Middle Adolescent
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, Lizelle Fletcher --- University of Pretoria, Petro Erasmus --- North West University,This article describes the extent to which emotional intelligence and study orientation predict the mathematics achievement of middle adolescents. Altogether 435 learners in Grades 9 and 11 from three high schools in the Mafikeng region completed the Bar-On EQ-i: YV™... -
Sport Psychological Characteristics of Talented 13-Year Old Adolescents
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ankebé Kruger --- North-West University, Republic of South Africa Anita Pienaar --- North-West University, Republic of South Africa Ri-Ellen Kemp --- North-West University, Republic of South Africa Alida Nienaber --- North-West University, Republic of South AfricaThe objective of this study was to determine whether the sport psychological profiles of talented 13-year-old sport participants differ from less talented participants. 162 grade 8 learners with a mean age of 13.2 ± 0.33 years voluntarily participated in the... -
The quasi-metric of complexity convergence
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Salvador Romaguera Michel SchellekensFor any weightable quasi-metric space (X, d) having a maximum with respect to the associated order ≤ d , the notion of the quasi-metric of complexity convergence on the the function space (equivalently, the space of sequences) Xω , is... -
Interior Operators in General Categories
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: S.J.Roelof VorsterSince the introduction of closure operators in topology (Riesz [1909], Kuratowski [1922] and others) many authors have defined and studied closure operators in other branches of mathematics (e.g. Birkhoff [1937] in Algebra and Birkhoff [1940] in Lattice Theory) and in... -
The Metric Theory of Tensor Products (Grothendieck's Résumé Revisited) Part 1: Tensor Norms
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Diestel Fourie Johan SwartThis paper presents the first of a multi-part series of papers on the metric theory of tensor products according to Grothendieck's "Résumé de la theorie metrique des produits tensoriels topologiques "It contains the basics on tensor norms: a discussion of... -
The Metric Theory of Tensor Products (Grothendieck's Résumé Revisited) Part 2: Bilinear Forms and Linear Operators Of Type α
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Joe Diestel Jan Fourie Johan SwartIn this continuation of our exposition and expansion of Grothendieck's 'Résumé,' we broach the subject of bilinear forms and operators of type α, where α is a tensor norm, and follow that up with the closely related subject of α-nuclearity. -
Natural Alternatives For One Dimensional Median Filtering
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: C.H. Rohwer M. WildFor practical purposes median smoothers have often been considered the basic components for the construction of simple non-linear smoothers for removing impulsive noise before any subsequent linear signal extraction from a sequence. Alternatives exist that are computationally convenient, conceptually simpler... -
A Characterization of the Prime Closed Filter Compactification of a Topological Space
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: H.L. Bentley H. HerrlichThe prime compactification whose points are the prime closed filters can be defined for a general topological space and is naturally functorial. We derive several properties of this compactification and present a characterization. -
Approximate Symmetries of the Boussinesq Equation
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: V.A. Baikov S.A. KordyukovaIn this paper we show that all exact symmetries of the linear wave equation are inherited by the Boussinesq type equation with a small parameter as approximate symmetries in any order of precision. We find an approximate integraldifferential transformation of... -
Completion of Probabilistic Uniform Limit Spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Harald NusserIn this article completions of special probabilistic semiuniform convergence spaces are considered. It turns out that every probabilitic Cauchy space under a given t-norm T (triangular norm) has a completion which, in the special case of probabilistic Cauchy spaces with... -
Strong Versus Uniform Continuity: A Constructive Round
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Peter Schuster Vîţă Douglas BridgesThe notion of apartness has recently shown promise as a means of lifting constructive topology from the restrictive context of metric spaces to more general settings. Extending the point-subset apartness axiomatised beforehand, we characterise the constructive meaning of 'two subsets... -
A Non-topologically Generated Hutton-lowen Uniformizable Space
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Sanjiang Li Dexue ZhangIn this note, it is shown that there exist non-topologically generated spaces which are both Lowen uniformizable and Hutton uniformizable. On the other hand, the FNS-coreflection of the Hutton unit interval I(I) is neither Lowen uniformizable nor Hutton uniformizable. -
Notes on Uniform Frames
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Themba DubeWe introduce the notion of uniform paracompactness to uniform frames and give several characterisations thereof. In another context, we show that the locally fine reflector commutes with the completion in the category of strong nearness frames. -
The Umd Constants of the Summation Operators
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jörg WenzelThe UMD property of a Banach space is one of the most useful properties when one thinks about possible applications. This is in particular due to the boundedness of the vector-valued Hilbert transform for functions with values in such a... -
A Note on Locally Connected Compactifications of Frames
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: D. BaboolalNecessary and sufficient conditions are given for a completely regular frame to have a locally connected compactification. -
Discrepancy estimates for point sets on the s-dimensional Sierpińnski carpet
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: L.L. Cristea F. Pillichshammer G. Pirsic K. ScheicherIn a recent paper Cristea and Tichy introduced several types of discrepancies of point sets on the s-dimensional Sierpí nski carpet and proved various relations between these discrepancies. In the present paper we prove a general lower bound for those... -
q-identities of Fu and Lascoux proved by the q-rice formula
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Helmut ProdingerTwo recent q-identities of Fu and Lascoux are proved by the q-Rice formula. -
Vertex coverings by coloured induced graphs — Frames and Umbrellas
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Wayne Goddard MichaelA. HenningA graph G homogeneously embeds in a graph H if for every vertex x of G and every vertex y of H there is an induced copy of G in H with x at y. The graph G uniformly embeds... -
Stratified L-uniform convergence spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: G. Jäger M.H. BurtonWe define a supercategory of the category of stratified L-uniform spaces, where L is a complete Heyting algebra. Our category is topological over SET and cartesian closed. In the case where L is the two-point chain, it coincides with the... -
Moments of the Weighted Sum-of-Digits Function
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Gerhard Larcher Friedrich PillichshammerThe weighted sum-of-digits function is a slight generalization of the well known sum-of-digits function with the difference that here the digits are weighted by some weights. So for example in this concept also the alternated sum-of-digits function is included. In... -
The Galois Approach to Uniform Structures
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Maria João Ferreira Jorge PicadoEntourages in uniform spaces, being binary relations, may be easily described by polarities (i.e. Galois connections between power sets) and axialities (i.e. residuated pairs between power sets). Here we consider this in the pointfree context of the category of frames,... -
Padé Approximations to the Logarithm I: Derivation Via Differential Equations
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: J.A.C. WeidemanExplicit formulas for the polynomials that define Hermite-Padé approximations to the logarithm are derived. The main elements of the derivation are Frobenius' method for solving linear differential equations, and automatic summation algorithms. Applications to finite difference formulas and Laplace transforms... -
On classes of maps with the extension property to the bicompletion in quasi-pseudo metric spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: SeithutiP. MoshokoaExtensions of CS-regular maps from a dense subset of a metric space to the whole space are discussed in the literature. It is the purpose of this paper to present results on extensions of these maps to the bicompletion in... -
A new compactness type topological property
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Dongsheng ZhaoBy a gauge on a topological space we shall mean a mapping that assigns each element in the space an open neighbourhood. We investigate some topological properties which can be characterized using gauges. The main property we will consider is... -
Decomposability and uniform integrability in Pettis integration
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: C. Godet-Thobie B. SatcoIn this paper, we give several characterizations of decomposable subsets of the space of Pettis integrable functions (in particular, a characterization similar to that already known in the Bochner integrability setting). We also introduce the notion WPUI of uniform integrability,... -
Topologies on uniform hyperspaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Gavin HitchcockThis paper includes the proofs of results announced in [3], as well as other results deriving from the Isbell-Smith-Ward problem of comparability of Hausdorff uniform topologies on hyperspaces of uniform spaces. In particular we give (in Theorem 6) simple conditions... -
Representation of slim algebraic regular cozero maps
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: A. Karimi FeizabadiIn this paper a new tool, the cozero maps, is introduced to study algebraic structures in pointfree topology, which generalizes cozero elements and the cozero part of a frame. The slim regular algebraic cozero maps are represented. We proved that... -
The number of elements close to near-records in geometric samples
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Guy Louchard Helmut ProdingerThe statistics of interest here are related to an independent sequence of geometrically distributed random variables. We look at the (n − k)th order statistic (=(k + 1)st winner) and study the number of elements that fall exactly a away... -
On Lindel¨of uniform frames and the axiom of countable choice
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: B. Banaschewski J.L. Walters-WaylandThis paper takes another look at the result that any complete separable uniform frame is Lindelöf and some of its ramifications. In particular, it shows that this is equivalent to the axiom of countable choice and provides a new, considerably... -
Aspects of nearness in σ-frames
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Inderasan NaidooWe introduce the notion of a nearness on a σ-frame. The concept of strong nearness for a σ-frame is intermediate between those of nearness and uniformity and we show that the category of strong nearness σ-frame SN σ Frm is... -
Secant and cosecant sums and Bernoulli-Nörlund polynomials
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: PeterJ. Grabner Helmut ProdingerWe give explicit formulae for sums of even powers of secant and cosecant values in terms of Bernoulli numbers and central factorial numbers. -
Boundedly UC spaces: characterisations and preservation
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Tanvi Jain S. KunduA metric space (X, d) is called a boundedly UC space if every closed and bounded subset of X is a UC space. A metric space (X, d) is called a UC space if each real-valued continuous function on (X,... -
On the extension of classes of continuous maps to the bicompletion in quasi-uniform spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: SeithutiP. MoshokoaIn [6] characterizations of continuous maps between uniform spaces in terms of nets and filters are provided. Also, extensions of maps defined on a dense subset of a uniform space that preserve Cauchy filterbases between uniform spaces to the whole... -
Lattice-Valued Convergence Ring and Its Uniform Convergence Structure
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: T.M.G. Ahsanullah --- Department of Mathematics, Saudi ArabiaConsidering L a frame, we introduce the notion of stratified L-neighborhood topological ring, produce some characterization theorems including its Luniformizability. With the help of the notions of stratified convergence structures attributed to Gunther Jäger [10], we introduce and study various... -
Lattice-Valued Cauchy Spaces and Completion
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Gunther Jäger --- Department of Statistics, South AfricaWe define lattice-valued Cauchy spaces. The category of these spaces is topological over SET and cartesian closed. Special examples are lattice-valued uniform convergence spaces and probabilistic Cauchy spaces. We further define completeness and give a completion for these spaces which... -
SYNTOPOFORMIC SPACES (SYNTOPOGENOUS LIMIT SPACES)
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Dieter Leseberg --- , Federal Republic of GermanyCsászár generalized the uniform spaces, the proximity spaces and the topological spaces to syntopogenous spaces. Cook and Fischer generalized the uniform spaces to uniform limit spaces. Finally Marny generalized the proximity spaces to proximal limit spaces. Analogously we generalize the... -
OPTIMAL SYSTEMS OF SYMMETRY SUBALGEBRAS FOR BIG MODELS OF GASDYNAMICS
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: S. V. Khabirov --- Institute for Symmetry Analysis and Mathematical Modelling, University of North-West, Mmabatho, South Africa,The gasdynamics equations admit 11 dimensional Lie algebra of transformations for the abitrary state equations. For special state equations the algebra may be expanded. There are 13 special state equations for which the gasdynamics equations are named big models. Some... -
SPREAD UNIFORMITIES AND UNIFORM SPREADS
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Hlengani Slweya --- Department of Mathematics, University of the North, Sovenga, South Africa,We discuss a point-free analog of the topological fact that every uniformly continuous function on a dense subspace of a uniform space into a complete uniform space has a unique uniformly continuous extension. It is shown that a uniform frame... -
UG-Differentiability Entails Hahn-Banach
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Marianne Morillon --- ERMIT, Département de Mathématiques et Informatique, FranceDenoting by ACN the countable axiom of choice, we show in ZF+AC N that the dual ball of a uniformly Gâteaux-differentiable normed space is compact in the weak* topology.In ZF, we prove that this dual ball is (closely) convex-compact in... -
On the Consistency of a Separator
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: J.P. Harper --- Department of Mathematics, South Africa C.H. Rohwer --- Department of Mathematics, South AfricaA smoother can be called a separator if it is idempotent and co-idempotent, with the motivation coming from a physical analogy. This is a rudementary consistency, and type of “linearity”, which has been found to occur in practice. All the... -
On the Projective Curvature Tensor of Generalized Sasakian-Space-Forms
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: U.C. De --- Department of Pure Mathematics, India Avijit Sarkar --- Department of Mathematics, IndiaThe object of the present paper is to study the nature of generalized Sasakian-space-forms under some conditions regarding projective curvature tensor. All the results obtained in this paper are in the form of necessary and sufficient conditions. -
Conformal Mapping of a Gear Domain with One Tooth
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: PhilipR. Brown --- Department of General Academics, U.S.A.An alternative approach is given for computing the conformal mapping of a unit disc onto a gear domain with one tooth. By means of this new approach an expression for the first coefficient of the Maclaurin series of the mapping... -
On the Ratios of Arc Lengths to Chord Lengths in Real Banach Spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Senlin Wu --- Department of Mathematics, China Chan He --- Department of Mathematics, ChinaTwo new moduli are introduced to study the ratios of arc lengths to chord lengths in Banach spaces. Basic properties of those two moduli and the relation between them are studied. The relation between those two moduli and some geometric... -
Locally convex cones and the Schröder-Simpson theorem
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Klaus Keimel --- Fachbereich Mathematik, GermanyThis paper paper has two goals: Firstly, to present the conceptual proof of the Schröder-Simpson theorem. The Schröder-Simpson theorem is stated in terms of domain theory and uses directed complete partially ordered cones and Scott-continuous maps. These structures are used... -
Banach-Stone-like theorems for lattices of uniformly continuous functions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: M. Hušek --- , A. Pulgarín --- Avda. Universidad s/n, SpainNew couples of uniform spaces X, Y are found out for which a lattice isomorphism between U(X) and U(Y) implies a uniform homeomorphism between X and Y. -
Some properties and expansions associated with the q-digamma function
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ahmed Salem --- Department of Mathematics, Faculty of Science, Kingdom of Saudi ArabiaThis paper is devoted to derive some properties and expansions associated with the q-digamma function. The Newton series which is consisting of terms of forward difference operator, is established for the q-digamma function. The maltiplication formula of the q-gamma function... -
On the solutions of the exponential Diophantine equation a x + b y = (m 2 + 1) z
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Bo He --- Department of Mathematics, P.R. China Alain Togbé --- Mathematics Department, USA Shichun Yang --- Department of Mathematics, P.R. ChinaIn this paper, we consider the Diophantine equation a x + b y = c z . Combining Laurent's result on lower bounds for linear forms in two logarithms, Bugeaud's result on upper bounds for the p-adic... -
Semigroups of transformations with fixed sets
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Preeyanuch Honyam --- Department of Mathematics, Faculty of Science, Thailand Jintana Sanwong --- Department of Mathematics, Faculty of Science, ThailandLet T (X) denote the semigroup (under composition) of transformations from X into itself. For a fixed subset Y of X, let Fix(X, Y) be the set of all self-maps on X which fix all elements in Y. Then Fix(X,... -
Equivalence domination in graphs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: S. Arumugam --- Core Group Research Facility (CGRF), National Centre for Advanced Research in Discrete Mathematics (n-CARDMATH), India Mustapha Chellali --- LAMDA-RO Laboratory, Department of Mathematics, Algeria TeresaW. Haynes --- Department of Mathematics, USAFor a graph G = (V, E), a subset S ⊆ V (G) is an equivalence dominating set if for every vertex v ∈ V (G) \ S, there exist two vertices u, w ∈ S such that the subgraph... -
Lattices of uniformly continuous functions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: M. Hušek --- , Czech Republic A. Pulgarín --- , SpainWe obtain an internal characterization of the lattice U (X) of real-valued uniformly continuous functions on a uniform space X. -
Montel resolvents and uniformly mean ergodic semigroups of linear operators
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: AngelaA. Albanese --- Dipartimento di Matematica e Fisica “E. De Giorgi”, Italy José Bonet --- Instituto Universitario de Matemática Pura y Aplicada IUMPA, Spain WernerJ. Ricker --- Math.-Geogr. Fakultät, GermanyFor C 0-semigroups of continuous linear operators acting in a Banach space criteria are available which are equivalent to uniform mean ergodicity of the semigroup, meaning the existence of the limit (in the operator norm) of the Cesàro or Abel... -
A metric property of Sierpiński hypercubes
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Heiko Hoffmann --- Department of Mathemactics, GermanyIn this short note we are engaged with sets we call generalized Sierpiński hypercubes. We give a detailed proof of the fact that these sets are uniformly regular, i.e., the geodesic metric is comparable to the Euclidean one. -
HIV/AIDS messages in Malawi and their implications for effective responses
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Vanessa Houston Alice HovorkaThis paper explores the nature of HIV/AIDS education and information networks in Malawi, with a focus on Dedza district. We consider the role of institutional and personal actors involved in Malawi's recently instated and decentralised behaviour-change intervention strategy, as well... -
Investigating the interface between health system reform and HIV/AIDS in sub-Saharan Africa: an approach for improving the fight against the epidemic
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: RasmusC Dawes --- , DenmarkDuring the period in which the HIV/AIDS epidemic has taken hold in sub-Saharan Africa, health system reforms have and continue to be introduced throughout the region. In spite of the multidisciplinary research undertaken, it can be questioned whether the relationships... -
Quality of life of people living with HIV/AIDS and on highly active antiretroviral therapy in Ethiopia
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Kebede Abera --- School of Pharmacy, Ethiopia Teferi Gedif --- School of Pharmacy, Ethiopia Ephrem Engidawork --- School of Pharmacy, Ethiopia Tsige Gebre-Mariam --- School of Pharmacy, EthiopiaThe Amharic version of the Short Form-36 Health Survey (SF-36) was used to measure quality of life among patients on highly active antiretroviral therapy (HAART) at selected governmental hospitals in central and southern Ethiopia. The study was cross-sectional and used... -
Factors affecting first-month adherence to antiretroviral therapy amongHIV-positive adults in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Dikokole Maqutu --- School of Statistics and Actuarial Science, South Africa Temesgen Zewotir --- School of Statistics and Actuarial Science, South Africa Delia North --- School of Statistics and Actuarial Science, South Africa Kogieleum Naidoo --- Centre for the AIDS Programme of Research in South Africa (CAPRISA), South Africa Anneke Grobler --- Centre for the AIDS Programme of Research in South Africa (CAPRISA), South AfricaThis study explores the influence of baseline factors on first-month adherence to highly active antiretroviral therapy (HAART) among adults. The study design involved a review of routinely collected patient information in the CAPRISA AIDS Treatment (CAT) programme, at a rural... -
Developing visual images for communicating information aboutantiretroviral side effects to a low-literate population
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Ros Dowse --- Faculty of Pharmacy, South Africa Thato Ramela --- Faculty of Pharmacy, South Africa Kirsty-Lee Barford --- Faculty of Pharmacy, South Africa Sara Browne --- , United StatesThe side effects of antiretroviral (ARV) therapy are linked to altered quality of life and adherence. Poor adherence has also been associated with low health-literacy skills, with an uninformed patient more likely to make ARV-related decisions that compromise the efficacy... -
South African HIV/AIDS programming overlooks migration, urban livelihoods, and informal workplaces
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Jo Vearey --- , South Africa Marlise Richter --- , South Africa Lorena Núñez --- , South Africa Khangelani Moyo --- , South AfricaSouth Africa has the largest population of people living with HIV globally and is associated with high population mobility. The majority of migrants move in search of improved livelihood opportunities, and many who migrate (both internally and across borders) move... -
The ‘Fish Trader+’ model: reducing female fish traders’ vulnerability to HIV
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: SaskiaMC Hüsken --- , Zambia Simon Heck --- , ZambiaAnalysis from research and practice in Africa shows that fishing communities are hardly reached by HIV-related services, education, and business services, partly because of the efforts and costs involved and a lack of good practice in reaching out to these... -
Cost-effectiveness analysis of infant feeding strategies to prevent mother-to-child transmission of HIV in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Mandy Maredza --- MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, Faculty of Health Sciences, South Africa Melanie Y Bertram --- MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, Faculty of Health Sciences, South Africa Haroon Saloojee --- Division of Community Paediatrics, School of Clinical Medicine, Faculty of Health Sciences, South Africa Matthew F Chersich --- Centre for Health Policy, School of Public Health, Faculty of Health Sciences, South Africa Stephen M Tollman --- MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, Faculty of Health Sciences, South Africa Karen J Hofman --- MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, Faculty of Health Sciences, South AfricaDespite increasing availability of perinatal interventions to prevent mother-to-child transmission (MTCT) of HIV in South Africa, MTCT remains high due to breastfeeding. To inform policy decisions in the country, cost-effectiveness of alternative infant-feeding interventions was conducted. Mathematical modelling was used... -
Just jokes! Icebreakers, innuendo, teasing and talking: The role of humour in HIV/AIDS peer education among university students
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Silvie Cooper --- Department of Sociology, South Africa David Dickinson --- Department of Sociology, South AfricaPeer conversation provides an important platform for people to explore and disseminate sexual health knowledge. Humour forms part of conversations held between peers including those where sexual health and sexual decisions are discussed. The central argument of this article links... -
Youth mortality due to HIV/AIDS in South Africa, 2001–2009: An analysis of the levels of mortality using life table techniques
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nicole De Wet --- Demography and Population Studies, South Africa Somefun Oluwaseyi --- Demography and Population Studies, South Africa Clifford Odimegwu --- Demography and Population Studies, South AfricaSouth Africa has one of the highest HIV/AIDS prevalence rates in the world. It is estimated that 5.38 million South Africans are living with HIV/AIDS. In addition, new infections among adults aged 15+ were reportedly 316 900 in 2011. New... -
Level of awareness and uptake of the female condom in women aged 18 to 49 years in Bindura district, Mashonaland Central province, Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Tirivanhu Chipfuwa --- Department of Health Sciences, Faculty of Science, Zimbabwe Ancia Manwere --- Department of Health Sciences, Faculty of Science, Zimbabwe Margret M Kuchenga --- Department of Health Sciences, Faculty of Science, Zimbabwe Lynah Makuyana --- Department of Health Sciences, Faculty of Science, Zimbabwe Estelle Mwanza --- Department of Health Sciences, Faculty of Science, Zimbabwe Elizabeth Makado --- Department of Health Sciences, Faculty of Science, Zimbabwe Rumbidzai P Chimutso --- Department of Health Sciences, Faculty of Science, ZimbabweZimbabwe introduced the female condom in 1997, but acceptance was slow. A study was conducted to determine its level of awareness and uptake in women aged 18 to 49 years at Bindura Provincial Hospital, and at Chipadze and Chiwaridzo council... -
The development of a GIS atlas of southern African freshwater fish
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: LEP Scott PH Skelton AJ Booth L VerheustA geographic information systems (GIS) based atlas of southern African freshwater fish has been developed for the SADC countries. The JLB Smith Institute of Ichthyology, in collaboration with ALCOM, has developed a database of freshwater fish for this region from... -
Aquatic avifauna of the coastal lakes of the Mhlathuze River system
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DP CyrusThis paper provides the first attempt to bring together all published and unpublished data on the aquatic avifauna of Lakes Mzingazi, Nsezi, Cubhu and Mangeza, situated near Richards Bay in the lower reaches of the Mhlathuze River system. Whilst the... -
Phylogeography of the African catfish, Chrysichthys maurus (Valenciennes, 1839)
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: J-F AgnèsePolymorphism at 19 allozyme loci was studied in 227 individuals of the catfish, Chrysichthys maurus (Valenciennes, 1839), collected from ten populations representing nine different river basins in west Africa. Eleven of the loci studied were polymorphic. Analysis showed that populations... -
A method for monitoring mangrove harvesting at the Mngazana estuary, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Anusha Rajkaran JanineB Adams DerekR du PreezThe Mngazana estuary supports the third largest area of mangroves, and probably the largest stand of Rhizophora mucronata Lamk., in South Africa. The objective of this study was to determine the extent of harvesting in the Mngazana mangrove forest, using... -
Bacterial levels in the Nyl River system, Limpopo province, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: R Greenfield --- Centre for Aquatic Research, Department of Zoology, South Africa JHJ van Vuren --- Centre for Aquatic Research, Department of Zoology, South Africa V Wepener --- Centre for Aquatic Research, Department of Zoology, South AfricaBecause water quantity and quality are of great importance in the arid Limpopo province, the bacterial content of water in the Nyl River System and its possible origins were assessed at five sites. Quarterly surveys took place between April 2001... -
Ecological health of the Usuthu and Mbuluzi rivers in Swaziland based onselected biological indicators
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: CN Magagula --- Department of Biological Sciences, Swaziland AB Mansuetus --- Department of Biological Sciences, Swaziland JO Tetteh --- Department of Biological Sciences, SwazilandBiological monitoring, using coliform bacteria and macroinvertebrate populations and diversity, was carried out monthly from August 2004 to January 2005 to determine the ecological health of the Usuthu and Mbuluzi rivers in Swaziland. Water temperature and pH were not significantly... -
Factors governing the removal of faecal indicator bacteria in the ecosystem of Lake Timsah, Egypt
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Bahgat --- Department of Botany,Persistence of faecal coliforms, presumptive Vibrio cholerae and Vibrio parahaemolyticus at three stations in Lake Timsah were investigated in 2010. Samples were collected by day and at night. Bacterial counts were highest at the outlet of wastewater discharged into the... -
The use of bitter kola Garcinia kola dry seed powder as a natural growth-promoting agent for African sharptooth catfish Clarias gariepinus fingerlings
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AA Dada --- Department of Fisheries and Aquaculture Technology, Nigeria NE Oviawe --- Department of Fisheries and Aquaculture Technology, NigeriaThe effect of dietary Garcinia kola seed meal on growth and body composition was investigated in catfish Clarias gariepinus. Fingerlings of about 50 g were fed diets supplemented with four concentrations (50, 100, 150 and 200 g kg−1) of G... -
Controls on the formation of Wakkerstroom Vlei, Mpumalanga province, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: R Joubert --- Department of Environmental Science, South Africa WN Ellery --- Department of Environmental Science, South AfricaThe present study investigated controls on the formation of Wakkerstroom Vlei, an ∼1 000 ha unchannelled valley-bottom wetland on the South African Highveld. Along the uppermost and lowermost reaches of the wetland, where dolerite outcrops occur along the main valley,... -
Avian fossils from the Early Miocene Moghra Formation of Egypt
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: N Adam Smith --- National Evolutionary Synthesis Center, USAAvian remains from the Early Miocene (∼17 Ma) Moghra Formation of Egypt include new records of ‘waterbirds’ (storks, herons, pelicans and allies) and a ratite. Only a single avian fossil has been previously reported from Wadi Moghra and, thus, additional... -
The Response of Eucalyptus grandis to Fertilising with Nitrogen, Phosphorus, Potassium and Dolomitic Lime on a Mispah Soil Series
Item type: Journal Article • Journal: South African Forestry Journal • Authors: M.A. Herbert --- , South AfricaThe final results are presented of a comprehensive N, P,K and dolomitic lime factorial experiment with Eucalyptus grandis planted on a fully cultivated Mispah soil series. On this marginal site, fertilising had a marked effect on the growth of E... -
The Structure of Cellulose by Conformational Analysis.
Item type: Journal Article • Journal: South African Forestry Journal • Authors: A. Pizzi --- , N. Eaton --- ,Conformational analysis studies on the tertiary structure of cellobiose and methyl-β-cellobioside were carried out by using calculations of Van der Waals, H-bond, electrostatic and torsional energy interactions between the atoms and groups of the molecules. Energy maps in function of... -
The Structure of Cellulose by Conformational Analysis.
Item type: Journal Article • Journal: South African Forestry Journal • Authors: A. Pizzi --- Council for Scientific and Industrial Research, South Africa N. Eaton --- Council for Scientific and Industrial Research, South AfricaThe Meyer/Misch and related models were found to be the most energetically stable for the crystalline structure of cellulose I. The cellobioside structure is the monomer of cellulose I as structures having cellobiose as monomer have been proven to be... -
Form Quotients and Stem Form of Eucalyptus cloeziana
Item type: Journal Article • Journal: South African Forestry Journal • Authors: A. van Laar --- Faculty of Forestry,This paper deals with a stem form study in Eucalyptus cloeziana. Sample tree data obtained from the ICFR were used to obtain the diameter at different relative positions along the stem. These diameters were subsequently regressed on breast height diameter... -
Studies of Growth and Stand Structure in Plantations of Pinus patula
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Y. de Villiers --- , A. van Laar --- Faculty of Forestry,Mensurational data collected for management inventories were used to obtain estimates for the parameters of equations with age, and in other cases with age, stand density and site index as predictor-variables, growth and stand structure characteristics as dependent variables. The... -
The Effect of Nitroacta (Urea Formaldehyde) on the Growth and Development of Eucalyptus grandis and Pinus elliottii
Item type: Journal Article • Journal: South African Forestry Journal • Authors: R.F. Loxton D. G.M. DonaldA pot trial testing the effect of four rates of urea formaldehyde, applied in two forms, on the growth of Eucalyptus grandis and Pinus elliottii is described. It is concluded that the eucalypt responded linearly to this slow-acting nitrogen source... -
Why are Myrmecochorous Plants Limited to Fynbos (Macchia) Vegetation Types?
Item type: Journal Article • Journal: South African Forestry Journal • Authors: G.J. Breytenbach --- Saasveld Forestry Research Centre,Myrmecochorous plants (plants with seeds dispersed by ants) are virtually absent from all non-fynbos vegetation types. In this study It IS shown that, contrary to previous findings, ants in non-fynbos vegetation types do find elaiosome bearing seed and bury them... -
Commercial Fishing Rights Allocation in Post-apartheid South Africa: Reconciling Equity and Stability
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: H. Kleinschmidt W. H. H. Sauer P. BritzThe fundamental policy and regulatory framework for a post-apartheid dispensation to manage commercial fisheries in South Africa was put in place with the publication of the White Paper on Marine Fisheries Policy in 1997, and the enactment of the Marine... -
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... -
The diet of the ragged-tooth shark Carcharias taurus Rafinesque 1810 in the Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MJ SmaleThe ragged-tooth shark Carcharias taurus is a large predator of inshore coastal waters in the Eastern Cape, South Africa. Born at about 1m long and attaining approximately 3m, stomach content analyses have shown that it feeds largely on teleosts and... -
A knowledge base for management of the capital-intensive fishery for small pelagic fish off South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TP Fairweather M Hara CD van der Lingen J Raakjær LJ Shannon GG Louw P Degnbol RJM CrawfordAs a contribution to South Africa's move towards an ecosystem approach to fisheries management, this study explores the existence of common perceptions about South Africa's pelagic fishery between resource users and scientists. It represents a collaborative research effort of social... -
Feeding and ecomorphology of seven flatfish species in the North-North-West Aegean Sea, Greece
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PK Karachle --- Laboratory of Ichthyology, Department of Zoology, Greece KI StergiouThe diet composition and possible relationships between mouth area and intestine length with feeding were investigated for seven flatfish species in the North-North-West Aegean Sea. Samples were obtained from commercial fisheries (trawls and gillnets) on a seasonal basis, and a... -
Tube-forming polychaetes enhance invertebrate diversity and abundance in sandy sediments of Mozambique, Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MS Thomsen --- Marine Department, National Environmental Research Institute, Denmark MF Muth --- Department of Environmental Sciences, USA KJ McGlathery --- Department of Environmental Sciences, USAIn marine soft-bottom systems, polychaetes can increase habitat complexity by constructing rigid tubes (e.g. several onuphid species) that contrast with surrounding topographically flat sediments. These structures can provide predation refuges and increase larval settlement and thereby increase the richness and... -
A significant and unappreciated intertidal mytiloidean genus: the biology and functional morphology of Brachidontes puniceus (Bivalvia: Mytilidae) from the Cape Verde Islands
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: Brian Morton --- Department of Zoology, UKBrachidontes puniceus (Gmelin 1791) occurs on all the islands of the Cape Verde Archipelago and along the West African coast from Mauritania to Ghana. The species is morphologically, in terms of its acutely heteromyarian form, strong byssal attachment, stout ligament,... -
Significant population genetic structuring of the holoplanktic scyphozoan Pelagia noctiluca in the Atlantic Ocean
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: BJ Miller --- Evolutionary Genomics Group, Department of Botany and Zoology, South Africa S von der Heyden --- Evolutionary Genomics Group, Department of Botany and Zoology, South Africa MJ Gibbons --- Department of Biodiversity and Conservation Biology, South AfricaPelagia noctiluca is thought to have a global distribution, yet our understanding of genetic connectivity across the range of this problem animal is poor. Here, we investigate the genetic structure of populations off southern Africa using mitochondrial COI and nuclear... -
Patterns and drivers of marine bioinvasions in eight Western Cape harbours, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K Peters --- Centre for Invasion Biology, Department of Biological Sciences, South Africa C Griffiths --- Marine Biology Research Centre, Department of Biological Sciences, South Africa TB Robinson --- Centre for Invasion Biology, Department of Botany and Zoology, South AfricaIn South Africa, fouling is the dominant vector of marine invasions, being responsible for 48% of the 86 alien introductions that are known. This study aimed to document alien species in fouling assemblages in eight Western Cape harbours and to... -
Factors that Affect Municipal Service Delivery in Gauteng and North West Provinces of South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Solomon Khale --- , South Africa Zeleke Worku --- , South AfricaThis study attempts to identify and quantify factors that affect service delivery by local government counsellors in the Gauteng and North-West provinces. The study is based on a stratified random sample of size n=300 respondents. Both quantitative and qualitative research... -
Emigrant's Transfers in Senegal: The Role of ICT
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Latif Dramani --- ,In 2011, remittances from Senegalese migrants constituted 86%1 of the funds required for the daily survival of recipient households. In this paper, we try to analyse the role of ICT in Senegalese emigrant's transfers through its impact on the household's... -
A Parametric Study of a Natural Flow Solar Air Heater with a Rectangular Air-Duct Profile
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: H. O. Ondieki [d858022e20] J. K. TonuiThis article presents a theoretical analysis of a solar air heater (SAH) with a rectangular air duct profile operated in a natural airflow mode. The study involves modelling the SAH system and simulated results are used to study the effects... -
Assessing Pharmaceutical Innovation in Tunisia: An Empirical Survey on Firms' Knowledge-Capital and an Analysis of the National Sectoral Innovation System
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Nejla Yacoub --- Faculty of Economics and Management Sciences, TunisiaThe objective of this research was to assess pharmaceutical innovation in Tunisia. First, we examined the national sectoral innovation system (NSIS), focusing on the objectives and instruments of the industrial and innovation policy. Second, we adopted an empirical approach based... -
Effects of Refrigerant Charge in the Output of a CO2 Heat Pump
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Paul Maina --- Department of Mechanical Engineering, South Africa Zhongjie Huan --- Department of Mechanical Engineering, South AfricaMany of the refrigerants currently being used in heating, ventilation, air conditioning and refrigeration systems have high global warming potential. One potential, environmentally friendly replacement refrigerant is carbon dioxide (CO2). In this study, a CO2 trans-critical water to water test... -
ICT Adoption, Capabilities Development and Innovation Processes in Argentina: An Employment Approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Marta Novick --- Under-Secretary for Technical Planning and Labor Studies, Ministry of Labor, Sebastian Rotondo --- Analyst, Employment and Business Dynamics Observatory, Under-Secretariat for Technical Planning and Labor Studies of the Ministry of Labor, Gerardo Breard --- Under-Secretary for Technical Planning and Labor Studies, Ministry of Labor,The discussion on innovation and the adoption of new information and communication technologies (ICT) and their impact on economic growth and development have flared up in the past few years. This debate has become increasingly relevant mostly in emerging countries... -
Protecting wood with a water repellent/ paint combination
Item type: Journal Article • Journal: South African Forestry Journal • Authors: J.D. van Zyl --- , W.J. van Wyk --- ,The influence of high and/or low solids water repellent on the durability of an alkyd enamel paint on P. radiata was investigated. Apart from increasing the drying time of the first paint coat, a low solids water repellent proved a... -
The effects of ontogenetic maturation in Pinus patula - Part 1: nursery performance
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: R. G. Mitchell --- Sappi Forests Research, Africa J. Zwolinski --- Forestry Programme, Africa N. B. Jones --- Sappi Forests Research, AfricaThe age at which parent or donor hedges reach ontogenetic maturity has frequently been cited as a debilitating factor in the production of conifer cuttings. This point varies between species and prevailing environmental conditions. Among other things, a lack of... -
Performance of four-year-old Australian and Papua New Guinean Acacia species/provenances at Kongowe, Kibaha, Tanzania
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: AI Kindo --- Forestry and Beekeeping Division, Tanzania MA Mndolwa --- , Tanzania E Edward --- Department of Forest Biology, Faculty of Forestry and Nature Conservation, Tanzania SAO Chamshama --- Department of Forest Biology, Faculty of Forestry and Nature Conservation, TanzaniaThis study to compare performance of three Australian–Papua New Guinean Acacia species/provenances (A. mangium, A. auriculiformis, A. crassicarpa) and A. julifera was conducted at Kongowe, Kibaha, Tanzania. Species/provenances were evaluated for survival, growth (diameter, height and volume), wood basic density... -
Performance of two Pinus patula hybrids in southern Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: A Kanzler --- Sappi Forest Research, South Africa K Payn --- , South Africa A Nel --- Sappi Forest Research, South AfricaTwo Pinus patula hybrids, P. greggii × P. patula and P. patula × P. tecunumanii, were planted across a number of sites in southern Africa. The growth and survival for each species/taxon was assessed at either 5 or 8 years... -
An allometric equation for estimating stem biomass of Acacia auriculiformis in the north-eastern region of Bangladesh
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Jiban Chandra Deb --- Department of Forestry and Environmental Science, Bangladesh Md. Abdul Halim --- Department of Forestry and Environmental Science, Bangladesh Enam Ahmed --- Department of Forestry and Environmental Science, BangladeshTree biomass plays an important role in sustainable management and in estimating forest carbon stocks. The objective of this study was to select the best model for measuring stem biomass of Acacia auriculiformis in the study area. Data from five... -
Stem biomass and volume models of selected tropical tree species in West Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: GHS Guendehou --- , Bénin A Lehtonen --- , Finland M Moudachirou --- Laboratoire de Pharmacognosie, Faculté des Sciences et Techniques, Bénin R Mäkipää --- , Finland B Sinsin --- Laboratoire d'Ecologie Appliquée, Faculté des Sciences Agronomiques, BéninEstimating tree volume and biomass constitutes an essential part of the forest resources assessment and the evaluation of the climate change mitigation potential of forests through biomass accumulation and carbon sequestration. This research article provides stem volume and biomass equations... -
Comparing normal, lognormal and Weibull distributions for fitting diameter data from Akashmoni plantations in the north-eastern region of Bangladesh
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: I Kayes --- Department of Forestry and Environmental Science, School of Agriculture and Mineral Sciences, Bangladesh JC Deb --- Department of Forestry and Environmental Science, School of Agriculture and Mineral Sciences, Bangladesh P Comeau --- School of Forest Science and Management, Canada S Das --- Department of Statistics, School of Physical Sciences, BangladeshStatistical probability density functions are widely used to model tree diameter distributions and to describe stand structure. The objective of this study was to compare the performance of normal, logarithmic-normal and three-parameter Weibull distributions for fitting diameter data from Akashmoni... -
Determining the effect of tree size, bark-wood bond strength and tree form on the productivity of an excavator-based harvester in Acacia mearnsii in the KwaZulu-Natal forestry region of South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: M Ramantswana --- , South Africa A McEwan --- , South Africa J Pauw --- , South AfricaThe aim of this study was to determine the effect of tree size, bark-wood bond strength and tree form on the productivity of cut-to-length harvesting of Acacia mearnsii, using an excavator-based harvester with a SP Maskiner harvester head in the... -
Can early thinning and pruning lessen the impact of pine plantations on beetle and ant diversity in the Patagonian steppe?
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: JC Corley --- Grupo de Ecología de Poblaciones de Insectos, Argentina JM Villacide --- Grupo de Ecología de Poblaciones de Insectos, Argentina M Vesterinen --- Grupo de Ecología de Poblaciones de Insectos, ArgentinaPine plantations are thought to negatively impact species diversity and to irreversibly modify arid zones. However, some studies have suggested that through the application of appropriate management practices, the negative impacts of plantations may be reduced. Our aim was to... -
Effects of irregular stand structure on tree growth, crown extension and branchiness of plantation-grown Pinus patula
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Simon A Ackerman --- Department of Forest and Wood Science, South Africa Pierre A Ackerman --- Department of Forest and Wood Science, South Africa Thomas Seifert --- Department of Forest and Wood Science, South AfricaThe practice of combining row and selective thinning in commercial pine plantation silviculture carries the risk of unwanted irregularities in tree distribution, a situation that is aggravated when tree selection during marking is poor. The potential consequences of poor tree... -
A comparison between excavator-based harvester productivity in coppiced and planted Eucalyptus grandis compartments in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Muedanyi Ramantswana --- Nelson Mandela Metropolitan University, South Africa Andrew McEwan --- Nelson Mandela Metropolitan University, South Africa Jaap Steenkamp --- Nelson Mandela Metropolitan University, South AfricaDue to the labour challenges in South Africa, mechanised forestry equipment has increasingly been required to operate in complex forest conditions – such as coppiced Eucalyptus compartments – where they have not operated before. For this reason, harvesters are either... -
Discourses of childhood innocence in primary school HIV/AIDS education in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Deevia BhanaThis article draws from interview data to examine the meanings that teachers in two race and class-specific contexts in greater Durban, South Africa, may give to children's right to sexual health information as a part of HIV/AIDS education. The article... -
Growth, productivity, and scientific impact of sources of HIV/AIDS research information, with a focus on eastern and southern Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Omwoyo Bosire OnyanchaAs channels of communicating HIV/AIDS research information, serial publications and particularly journals are increasingly used in response to the pandemic. The last few decades have witnessed a proliferation of sources of HIV/AIDS-related information, bringing many challenges to collection-development librarians as... -
Migration, access to ART, and survivalist livelihood strategies in Johannesburg
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Joanna VeareySince the end of apartheid, patterns of migration into South Africa have shifted, and South Africa has become a destination for people from across the African continent and beyond — a small but important number of whom are refugees and... -
Data-protection standards and confidentiality of HIV/AIDS status in the workplace — a South African case study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Zuzanna Muskat-GorskaThe article contextualises an emerging new regime for information privacy in South Africa (i.e. the draft Protection of Personal Information Bill). Subsequently, it discusses the possibility of successful implementation of international data-protection standards in an environment where there is an... -
The mental health of people living with HIV/AIDS in Africa: a systematic review
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: René Brandt --- AIDS and Society Research Unit, Centre for Social Science Research, South AfricaThis paper reviews published quantitative research on the mental health of HIV-infected adults in Africa. Twentyseven articles published between 1994 and 2008 reported the results of 23 studies. Most studies found that about half of HIV-infected adults sampled had some... -
Public-private partnerships as a strategy against HIV/AIDS in South Africa: the influence of historical legacies
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Viviane Brunne --- , Switzerland 1In the face of the extreme challenges posed by the South African HIV/AIDS epidemic, collaboration between public and private partners is often called for in an attempt to mobilise additional resources and generate synergies. This paper shows that the ability... -
Recommendations for communication to enhance informed consent and enrolment at multilingual research sites
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Claire Penn --- Health Communication Project, School of Human and Community Development, South Africa Melanie Evans --- Health Communication Project, School of Human and Community Development, South AfricaLanguage issues can affect HIV and AIDS research trial enrolment, but little is understood about variables in this process. Some evidence indicates barriers exist even when the trial enrollers are linguistically and culturally matched to the participants and when consent... -
Artistic activities and cultural activism as responses to HIV/AIDS in Harare, Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Susan Pietrzyk --- Department of Anthropology, United StatesOver the last two decades both the number and types of civil-society-led organisations involved in addressing HIV and AIDS have increased dramatically. In many cases, the work undertaken is thoughtfully researched, appropriately focused, and as a result produces positive outcomes... -
Effect of garlic, black seed and Biogen as immunostimulants on the growth and survival of Nile tilapia, Oreochromis niloticus (Teleostei: Cichlidae), and their response to artificial infection with Pseudomonas fluorescens
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AhmedS Diab SalahM Aly George John Yasser Abde-Hadi MohamedF MohammedThree dosage levels of black seed, garlic and commercial Biogen were administered for three months in summer and six months in winter to test their stimulation effect on growth, survival and response to challenge infection in Oreochromis niloticus. At the... -
Growth of market-size abalone (Haliotis midae) fed kelp (Ecklonia maxima) versus a low-protein commercial feed
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: TL Francis GW Maneveldt J VenterThe growth of grow-out abalone fed on kelp, with c. 10 % dry weight protein content, was compared with that of those fed on 'Feed A' (a new low-protein commercial feed of c. 26 % protein), in a flow-through system... -
A benthic survey of the rocky reefs off Pondoland, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: L Celliers BQ Mann AHH Macdonald MH SchleyerA subtidal marine biodiversity survey was carried out on shallow reefs (−1m to −30m) in the proclaimed Pondoland Marine Protected Area between Port Edward and Port St Johns, South Africa. A total of 26 benthic reef transects was undertaken involving... -
Growth of post-weaning abalone Haliotis midae fed commercially available formulated feeds supplemented with fresh wild seaweed
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TS Dlaza GW Maneveldt C ViljoenThe effect of five formulated feeds supplemented with fresh wild seaweed on the growth of post-weaning juvenile abalone Haliotis midae (6–20 mm shell length) was investigated by means of a growth trial at a commercial abalone farm over a period... -
Towards an abalone weaning diet: evaluation of agar-bound fishmeal and spirulina as dietary ingredients
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: I Ismail CLW Jones PJ Britz AJ EsterhuizenSurvival of post-settlement abalone when 'weaning' them from diatoms onto macroalgae/artificial feed remains unpredictable for farmers. It is hypothesised that spirulina algae, which are high in protein, may be a suitable feed ingredient for weaning abalone. Over a period of... -
Challenges for emerging livestock farmers in Limpopo province, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: ND MacLeod CK McDonald FP van OudtshoornLand redistribution schemes (e.g. Settlement Land Acquisition Grant and Land Redistribution for Agricultural Development) initiated since the mid-1990s in Limpopo province under national land reform programs have sought to introduce a new generation of previously disadvantaged people to commercial livestock... -
The Uniform Order Convergence Structure on ML (X)
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: vanJ.H. der WaltThe aim of this paper is to set up appropriate uniform convergence spaces in which to reformulate and enrich the order completion method [18] for nonlinear Partial Differential Equations (PDEs). In this regard, we consider an appropriate space ML(X) of... -
Level spaces for lattice-valued uniform convergence spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Gunther JägerWe define level structures for lattice-valued uniform spaces and lattice-valued uniform convergence spaces. We show that these structures characterize the spaces from which they are obtained and use them to show that the categories of probabilistic uniform convergence spaces, of... -
Frame valued stratified generalized convergence groups
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: T.M.G. Ahsanullah Jawaher Al-MufarrijFollowing the notion of stratified L-fuzzy convergence space of Gunther Jäger [Quaest. Math. 24 (2001), 501–517], we introduce the notion of a stratified L-generalized convergence group, and look into some other objects, namely, stratified L-Kent convergence groups, and stratified L-principal... -
On a Constant Arising in the Analysis of Bit Comparisons in Quickselect
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: PeterJ. Grabner Helmut ProdingerA (real) constant that appears as the factor of the leading term of the average number of bit comparisons required by quickselect, and was originally given in terms of complex numbers, is expressed using real numbers alone. A further representation... -
Restricted Uniform Boundedness in Banach Spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Olav Nygaard Märt PõldverePrecise conditions for a subset A of a Banach space X are known in order that pointwise bounded on A sequences of bounded linear functionals on X are uniformly bounded. In this paper, we study such conditions under the extra... -
Sums of Choi, Zörnig, and Rathie — an elementary approach
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Helmut ProdingerThe sums in the title and any number of similar ones are obtained in a completely elementary and simple way. -
The completion of uniform convergence spaces and an application to nonlinear PDEs
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jan Harm van der Walt --- Department of Mathematics and Applied Mathematics, South AfricaThis paper deals with the solution of large classes of systems of nonlinear partial differential equations (PDEs) in spaces of generalized functions that are constructed as the completion of uniform convergence spaces. The existence result for the mentioned systems of... -
Properties of the Simpson discrete Fourier transform
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: P. Singh --- School of Mathematics, Statistics and Computer Science, South Africa V. Singh --- School of Mathematics, Statistics and Computer Science, South AfricaThe Simpson discrete Fourier transform (SDFT) and its inverse are transformations relating the time and frequency domains. In this paper we state and prove the important properties of shift, circular convolution, conjugation, time reversal and Plancherel's theorem. In addition, we... -
Evaluation of four Mozambican cowpea landraces for drought tolerance
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Celia M Martins --- Forestry and Agricultural Biotechnology Institute, Plant Science Department, South Africa David W Lawlor --- Rothamsted Research, UK Orlando A Quilambo --- Department of Biological Sciences, Mozambique Karl J Kunert --- Forestry and Agricultural Biotechnology Institute, Plant Science Department, South AfricaThe southern part of Mozambique is vulnerable to drought, affecting the country's food production, and thus requires more drought-tolerant crops. Four local cowpea landraces, Massava nhassenje, Timbawene moteado, Namarua and Tete-2, which are currently widely used by local Mozambican farmers,... -
Survival, growth, wood basic density and wood biomass of seven-year-old Casuarina species/provenances grown at Kongowe, Kibaha, Tanzania
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Abeid I Kindo --- Tanzania Forest Services, Tanzania Ezekiel Edward --- Department of Forest Biology, Tanzania Mathew A Mndolwa --- Tanzania Forestry Research Institute, Tanzania Shabani AO Chamshama --- Department of Forest Biology, TanzaniaA performance comparison of seven-year-old individuals of 13 Casuarina species/provenances in terms of survival, growth (diameter, height and volume), wood basic density and wood biomass was undertaken at Kongowe, Kibaha, Tanzania. The trial was laid out using a randomised complete... -
Anaesthetic management of appendectomy in a patient with cerebral arteriovenous malformation
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: R Taneja --- Department of Anaesthesia, India S Kiran --- Department of Anaesthesia, IndiaBackground: The aim of anaesthetic management for appendectomy in a patient with cerebral arteriovenous malformation (AVM) is to maintain a stable cardiovascular system. As this condition is rare, there are no definitive guidelines regarding the anaesthetic management of such patients. -
Case study: Systemic complications following absolute alcohol embolisation of scalp arteriovenous malformation
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: S Agrawal --- Department of Anesthesia, Pain and Intensive Care, India YS Payal --- Department of Anesthesia, Pain and Intensive Care, India S Burathoki --- Department of Radiology, India V Asthana --- Department of Anesthesia, Pain and Intensive Care, India A Rizvi --- Department of Anesthesia, Pain and Intensive Care, India JP Sharma --- Department of Anesthesia, Pain and Intensive Care, IndiaAlcohol ablation is an accepted technique for the management of arteriovenous malformations. It is preferred due to the unique property of absolute alcohol to cause complete ablation and prevention of revascularisation. However, this technique is associated with multiple complications which... -
Vocal cord palsy in an infant with myelomeningocoele
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: S Agrawal --- Departments of Anaesthesia, India A Sinha --- Departments of Paediatric Surgery, India V Asthana --- Departments of Anaesthesia, India JP Sharma --- Departments of Anaesthesia, IndiaIn this article we describe the case of a four-month-old male infant with myelomeningocoele, who presented with inspiratory stridor and vocal cord palsy (VCP). Hindbrain dysfunction is a leading cause of mortality and morbidity in children with neural tube defects... -
Informed consent for anaesthesiological and intensive care unit research: a South African perspective
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: JAM De Roubaix --- Centre for Applied Ethics, Department of Philosophy,Health research is highly regulated and controlled. The South African legal framework consists of the Bill of Rights, the National Health Act, and two sets of Department of Health guidelines, Medical Research Council Ethical Guidelines Book 1, and South African... -
The perspectives of eThekwini public service anaesthetic doctors on the informed consent process for anaesthesia
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: S Naidu --- St Aidans Regional Hospital, PD Gopalan --- Anaesthesiology and Critical Care Nelson R Mandela School of Medicine,Objectives: This study aimed to ascertain the perspectives of anaesthetists with regard to their current practice of obtaining informed consent. The outcome of this study will eventually assist in creating a standardised system for informed consent which will be pivotal... -
Ethical Issues in Family Practice: Informed Consent—Disclosure of Information in Clinical Practice
Item type: Journal Article • Journal: South African Family Practice • Authors: GA Ogunbanjo --- Dept. of Family Medicine & Primary Health Care, D Knapp van Bogaert --- Biomedical Ethics—Dept. of Family Medicine & Primary Health Care, -
Review of common cutaneous adverse drug reactions
Item type: Journal Article • Journal: South African Family Practice • Authors: MH Motswaledi --- Department of Dermatology, -
Evaluation Systems of Family Medicine Trainees in Belgium
Item type: Journal Article • Journal: South African Family Practice • Authors: M Van Rooyen --- University of Pretoria, C Van Deventer --- University of Witwatersrand, HH Conradie --- University of Stellenbosch, SAH Moosa --- University of Witwatersrand, G Morris --- Nelson Mandela Medical School, S Smith --- University of Pretoria, A Derese --- Centre for Education Development, Department of Family Medicine and Primary Health Care, Faculty of Medicine and Health Sciences, J De Maeseneer --- Head of Department of Family Medicine and Primary Health Care, -
Informed Consent: Over- and Under-interpretation
Item type: Journal Article • Journal: South African Family Practice • Authors: D. Knapp van Bogaert --- Moral Philosophy and Ethics Dept. of Family Medicine & PHC, GA Ogunbanjo --- Dept. of Family Medicine & PHC, -
Jet lag and environmental conditions that may influence exercise performance during the 2010 FIFA World Cup in South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: MP Schwellnus --- UCT/MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology, EW Derman --- UCT/MRC Research Unit for Exercise Science and Sports Medicine, Department of Human Biology,The 2010 FIFA World Cup will be held in South Africa in June/July 2010. This is the largest international sports event ever to be held in this country. At this time 32 international football teams, with their management and supporters,... -
Identification of sources from which doctors in the private sector obtain information on HIV and AIDS
Item type: Journal Article • Journal: South African Family Practice • Authors: P Naidoo --- School of Pharmacy and Pharmacology, University of KwaZulu-Natal, South Africa CC Jinabhai --- Department of Public Health Medicine, South Africa M Taylor --- Department of Public Health Medicine, South AfricaBackground: Doctors need to constantly update their knowledge and obtain information in order to practise high-quality medicine. Antiretroviral drugs have been available only since around 1996, therefore many of the doctors who were trained prior to 1996 would not have... -
Infant formulas explained
Item type: Journal Article • Journal: South African Family Practice • Authors: L Johnston -
The basics of prescribing infant formulas
Item type: Journal Article • Journal: South African Family Practice • Authors: CJW Owens --- Nutrition Information Centre, IL Labuschagne --- Nutrition Information Centre, MJ Lombard --- Nutrition Information Centre,All infant formulas must support the normal growth and development of infants, and this needs to be scientifically demonstrated. Formulas have to contain sufficient amounts of basic nutrients, and so are nutritionally interchangeable, with no evidence indicating that one brand... -
The relationship of overweight and obesity to the motor performance of children living in South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: L Truter --- School of Biokinetics, Recreation and Sport Science, North-West University, AE Pienaar --- School of Biokinetics, Recreation and Sport Science, North-West University, D Du Toit --- School of Education, North-West University,Objectives: This study aimed to determine the relationship between overweight and obesity and the motor performance of nine- to 13-year-old South African children. -
Infant formula for gastro-oesophageal reflux disease
Item type: Journal Article • Journal: South African Family Practice • Authors: CJW Owens --- Nutrition Information Centre, IL Labuschagne --- Nutrition Information Centre, MJ Lombard --- Nutrition Information Centre,Thickened infant formula is widely used as a first-line treatment for gastro-oesophageal reflux (GOR) in infants. The use thereof remains controversial, and conflicting evidence exists with regards to its efficiency. The safety of anti-reflux formula has been proven, with only... -
Prescribing infant formula to allergic babies
Item type: Journal Article • Journal: South African Family Practice • Authors: MJ Lombard --- Stellenbosch University Nutrition Information Centre Stellenbosch University (NICUS), I Labuschagne --- Stellenbosch University Nutrition Information Centre Stellenbosch University (NICUS), E Van Niekerk --- Stellenbosch University Nutrition Information Centre Stellenbosch University (NICUS),Exclusive breastfeeding and postponement of complementary foods to four to six months of age are recommended for the prevention of food allergies. However, many infants receive formula milk for a number of reasons. Various types of formula are indicated to... -
The use of prebiotics and probiotics in infant formula
Item type: Journal Article • Journal: South African Family Practice • Authors: TS Ackerberg --- Nutrition Information Centre, IL Labuschagne --- Nutrition Information Centre, MJ Lombard --- Nutrition Information Centre,Gastrointestinal flora influences health, but the composition of flora can be changed with prebiotics or probiotics. The addition of probiotics to powdered infant formula has not been demonstrated to be harmful to healthy term infants. However, evidence of clinical efficacy... -
A review of metformin and its place in the diabetes guidelines
Item type: Journal Article • Journal: South African Family Practice • Authors: Gail Mkele [AN0001]Metformin is considered to be the initial drug of choice for type 2 diabetes mellitus, particularly in overweight patients. This is based on its effectiveness in achieving glycaemic control, its favourable effects on weight, its low risk of causing hypoglycaemia... -
Cleft lip and palate malformations: essential knowledge for the general practitioner
Item type: Journal Article • Journal: South African Family Practice • Authors: MGC Giaquinto-Cilliers --- Department of Plastic Surgery and Burns Unit, MD Potgieter --- Department of Plastic Surgery and Burns Unit, DA Links --- Department of Plastic Surgery and Burns Unit, GI Van Schalkwyk --- Department of Plastic Surgery and Burns Unit,Cleft lip and palate malformations are a common group of congenital abnormalities, and are therefore frequently encountered by the general practitioner, who is often the primary coordinator in the management of these patients. This is especially true in a South... -
A South African perspective on factors that impact on the adoption and meaningful use of health information technologies
Item type: Journal Article • Journal: South African Family Practice • Authors: N Mostert-Phipps [AN0001] D Pottas --- Institute for ICT Advancement, School of ICT, Nelson Mandela Metropolitan University, M Korpela --- Institute for ICT Advancement, School of ICT, Nelson Mandela Metropolitan University School of Computing, University of Eastern Finland,Objective: Various benefits are associated with the adoption and meaningful use of health information technologies (HITs) in the healthcare sector. Despite the associated advantages with the adoption and use of HITs, the South African healthcare sector has been slow to... -
The ethics of placebos
Item type: Journal Article • Journal: South African Family Practice • Authors: D Knapp van Bogaert --- Centre for Applied Ethics, GA Ogunbanjo --- Department of Family Medicine and Primary Health Care,The word “placebo”, first used during funeral ceremonies in the 14th century, is derived from old Latin and means “I shall please”. At the time, it was practice among Roman Catholics to hire professional mourners to wail vespers for the... -
The basics of prescribing infant formulas
Item type: Journal Article • Journal: South African Family Practice • Authors: CJW Owens --- Nutrition Information Centre, IL Labuschagne --- Nutrition Information Centre, MJ Lombard --- Nutrition Information Centre,All infant formulas must support the normal growth and development of infants, and this needs to be scientifically demonstrated. Formulas have to contain sufficient amounts of basic nutrients, and so are nutritionally interchangeable, with no evidence indicating that one brand... -
Hospital reform and staff morale in South Africa: a case study of Dr Yusuf Dadoo Hospital
Item type: Journal Article • Journal: South African Family Practice • Authors: OJ Ibeziako --- Department of Family Medicine, ON Chabikuli --- Department of Family Medicine, S Olorunju --- Biostatistics Unit, Medical Research Council of South Africa,Objectives: This study explored major factors that influenced staff motivation at a district hospital in South Africa following hospital reforms and comparison of these factors across the two main staff categories. -
Acidified infant formula explained
Item type: Journal Article • Journal: South African Family Practice • Authors: IL Labuschagne --- Nutrition Information Centre, E van Niekerk --- Nutrition Information Centre, MJ Lombard --- Nutrition Information Centre,The development of effective methods to prevent acute gastroenteritis is an important goal for infant health. Exclusive breastfeeding and postponement of complementary foods until the age of six months is recommended for healthy infants. However, at times, infant formula is... -
Access–usage qualities of information technology in higher education setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Watson Moffat Manduna --- Central University Technology,This study examined access and usage qualities as perceived by students of Information Communication Technologies (ICT) at a South African technology university. Participants were 40 randomly selected first-year (n = 20) and second-year (n = 20) students with an average age of 23 years... -
The politics and aesthetics of commemoration: national days in southern Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Heike Becker --- Department of Anthropology and Sociology, South Africa Carola Lentz --- Department of Anthropology and Sociology, South AfricaThe contributions to the special section in this issue study recent independence celebrations and other national days in South Africa, Namibia, Zimbabwe, Madagascar and the Democratic Republic of Congo. They explore the role of national days in state-making and nation-building,... -
On law and legality in post-apartheid South Africa: insights from a migrant street trader
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Jürgen Schraten --- The Human Economy Project, Faculty of Humanities, South AfricaThis article focuses on the experience of law and legality by a migrant street trader in post-apartheid South Africa. The experiences of this stall vendor are analysed alongside theoretical notions of law and the legal system. The ways that law... -
Towards a human economy: reflections on a new project
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: John Sharp --- Department of Anthropology and Archaeology, South AfricaThe University of Pretoria's Human Economy project began at the end of 2010. To date it has involved eighteen post-doctoral fellows, drawn from around the world, and eight doctoral candidates, all from Africa. This paper reviews the project's progress, drawing... -
Jugaad to grassroot innovations: understanding the landscape of the informal sector innovations in India
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Hemant Kumar --- Centre for Studies in Science, Technology and Innovation Policy, India Saradindu Bhaduri --- Centre for Studies in Science Policy, IndiaIronically, the phenomenal growth in the academic literature on innovation in recent years has omitted the innovative activities in the informal sector. There is no doubt that the informal sector occupies a key position in the economic activities of many... -
The impact of information technology on bank profitability in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Wilson U Ani --- Department of Accountancy, Nigeria Cosmas O Odo --- Department of Marketing, Nigeria Ezeudu Ikenna --- Federal Polytechnic, NigeriaThis paper examines the impact of information technology on bank profitability. Using a sample comprising one-quarter of the banks in Nigeria currently quoted on the Nigerian Stock Exchange, regression results were in conflict with a priori expectations, which indicated that... -
Socio-economic and demographic factors related to HIV status in urban informal settlements in the Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Liana Steenkamp --- HIV&AIDS Research Unit, South Africa Danie Venter --- Unit for Statistical Consultation, South Africa Corinna Walsh --- Department of Nutrition and Dietetics, South Africa Pelisa Dana --- Eastern Cape AIDS Council, South AfricaThe prevalence of HIV&AIDS is embedded in social and economic inequity and the relationship between social determinants and HIV incidence is well established. The aim of this study was to determine which socio-economic and demographic factors are related to HIV... -
Rational agent-based understanding of the informal sector: A critical assessment
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: René Rivera-Huerta --- Postgraduate programme in Economics and Management of Innovation, MexicoThe main economic theories that have studied the informal sector have had little success in explaining the consistencies founded empirically and in proposing efficient policies to bring up to date the non-structured sector. This work proposes that more suitable theoretical... -
The dynamics of local innovations among formal and informal enterprises: Stories from rural South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Alexandra Luis Mhula Links --- Human Sciences Research Council (HSRC), South Africa Tim Hart --- Human Sciences Research Council (HSRC), Pretoria, South Africa; Department of Sociology and Social Anthropology, Stellenbosch University, South Africa Peter Jacobs --- Human Sciences Research Council (HSRC), South AfricaExploiting the developmental potential of innovation for marginalised communities requires a context-specific understanding of the features and mechanics of innovation. In this article we explore the nature of innovation with the aid of evidence collected from formal and informal enterprises... -
Actor networks and innovation activities among rural enterprises in a South African locality
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kgabo Hector Ramoroka --- Human Sciences Research Council (HSRC), South Africa Peter Jacobs --- Human Sciences Research Council (HSRC), South Africa Hlokoma Mangqalaza --- Human Sciences Research Council (HSRC), South AfricaRural localities are often viewed as too remote, sparsely populated and poor in critical resources needed for them to be innovation hubs. This study contributes new evidence on how actor networks improve innovation performance among rural enterprises that are privately... -
Dynamic networks of grassroots innovators in India
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Hemant Kumar --- Center for Studies in Science, Technology and Innovation Policy, Central University of Gujarat, India‘Grassroots innovations’ in India are receiving increasing attention from innovation scholars and policymakers alike. These innovations are individual or community efforts to solve the problems faced in one's daily life. Moreover, rather than responding to any ‘potential market’ demand, these... -
Exploring informal sector community innovations and knowledge appropriation: A study of Kashmiri pashmina shawls
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Fayaz Ahmad Sheikh --- Centre for Studies in Science Policy, School of Social Sciences, IndiaThe informal sector has become an increasingly popular subject of study. This sector has been a prominent feature of the development landscape of many countries around the globe. It is increasingly becoming the major source of employment in third world... -
A new informal economy in Africa: The case of Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Franklin Obeng-Odoom --- School of Built Environment, Australia Stephen Ameyaw --- Department of Real Estate and Land Management, Faculty of Planning and Land Management,This paper reveals a new informal economy in Ghana, Africa – the ‘in formal informal economy’ – where the actors are highly educated and skilled, and neither migrants nor ‘dropouts’ from the formal sector. Cast in the same setting where... -
Primary wing-moult and site fidelity in South African mousebirds (Coliidae)
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Adrian JFK Craig --- Department of Zoology and Entomology, South Africa Bo T Bonnevie --- Information Technology Division, South Africa Patrick E Hulley --- Department of Zoology and Entomology, South Africa George D Underhill --- ,Based on large samples of birds mist-netted in the Eastern Cape and the Western Cape, moult of the primary remiges in both Speckled Mousebirds Colius striatus and Red-faced Mousebirds Urocolius indicus occurred throughout the year with no regional or seasonal... -
Innovation, the informal economy and development: The case of Zambia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ephraim Daka --- Innovation and Knowledge Economy, Finland Hannes Toivanen --- Innovation and Industrial Renewal, FinlandNational systems of innovation have been serving as the conceptual framework and vehicle to address poverty and national competitiveness in developing countries. Zambia has been building its NSI since 1964, but the existing system suffers from serious shortcomings related to... -
Innovation through knowledge sharing: Evidence from the informal sector in Harare, Zimbabwe
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Tarisai Manyati --- Department of Sociology, ZimbabweThis research sought to establish how knowledge is circulated among the informal sector innovators who develop innovations in the manufacture of de-haulers, an agricultural technology used to thresh seed. Questionnaires, in-depth interviews and observation methods were used in collecting the... -
Experiences with Jatropha cultivation in sub-Saharan Africa: Lessons for the next phase of development
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Raphael M. Jingura --- Directorate of Quality Assurance and Graduate Studies, Zimbabwe Reckson Kamusoko --- Directorate of Quality Assurance and Graduate Studies, ZimbabweJatropha curcas L. has emerged in recent times as a leading energy crop in sub-Saharan Africa with over 32 countries in the region involved in its production. The establishment of Jatropha has not been without challenges and has arguably been... -
Confronting stereotypes in the fishing industry in post-apartheid South Africa: A case study of women on the West Coast in the Western Cape, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sharon Groenmeyer --- Centre for the Study of Democracy, South AfricaDrawing on research conducted in fish processing and allied industries, the women in this study engage in shoreline activities collecting mussels, red bait, shellfish, seaweed; catching crayfish and fish or cleaning fish and mending nets. Women's role in fishing is... -
Murder and the whole city
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Kelly Gillespie --- Department of Anthropology, South AfricaHenri Lefebvre's The Urban Revolution makes a claim for the importance of seeing the whole urban form in our analyses of cities. He argues that we too often get trapped into a view of the urban that prioritises “fragments” of... -
Nicotine exposure effects on ADHD in young adults with Attention Deficit Hyperactive Disorder (ADHD)
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Skye Sayce --- Department of Psychology, South Africa Alban Burke --- Department of Psychology, South AfricaThis study investigated whether ingestion of nicotine could enhance cognitive performance in people with ADHD. Participants with ADHD (n = 17) and without ADHD (n = 22) were contrasted for nicotine use. Cognitive performance was measured using selected subtests of... -
The relationship between employees’ experience of performance management and work engagement within a South African organisation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Janko Kotzé --- Department of Industrial Psychology, South Africa Sanet van der Westhuizen --- Department of Industrial Psychology, South Africa Elzabé Nel --- Department of Industrial Psychology, South AfricaThe study investigated the relationship between employees’ experience of performance management and work engagement. Participants were a convenience sample of employed adults (N=202; females=59%, middle management = 48%, White = 54%, tenure more than 9 years = 48%) in an organisation in the vehicle and asset-based... -
People performance enablers in relation to employees’ psychological attachment to the organisation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Dieter Veldsmana --- The HR Touch, Mindset Management, South Africa Melinde Coetzeeb --- Department of Industrial and Organisational Psychology, South AfricaThis study investigated the relationship between a set of people performance enablers and psychological attachment behavioural states in a variety of South African work settings. The sample (N = 582) comprised mostly males (69%) and black Africans from organisations in the manufacturing... -
Performance appraisal systems — equity perceptions of mathematics teachers: an exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Michael Kainose Mhlolo --- Faculty of Education, South AfricaThis study investigated equity perceptions of a school based performance appraisal system in a subject discipline. Participants were 110 mathematics teachers (females = 10%) and 12 school principals (females = 25%). They completed a questionnaire on distributive, procedural and interactional justice regarding the performance... -
Analysis of active rotenone concentration during treatment of the Rondegat River, Cape Floristic Region, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: E Slabbert --- Department of Microbiology, South Africa MS Jordaan --- CapeNature Scientific Services, South Africa OLF Weyl --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaMost endemic freshwater fish species of the Cape Floristic Region are listed as threatened, due mainly to the impacts of invasive alien fish species. The piscicide rotenone has been identified as a potential tool to aid the conservation of indigenous... -
The hybrid mean value of L-functions and a special character sums
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jianghua Li --- College of Science, P.R. China Xinqiang Qin --- College of Science, P.R. China Fang Zhang --- College of Science, P.R. ChinaThe main purpose of this paper is using the estimation of the character sums to study the 2k-th power mean of L-functions with the weight of a character sums, and give an interesting asymptotic formula for it. -
Innovation and agricultural exports: the case of sub-Saharan Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Monika Korzun --- School of Environmental Design and Rural Development (SEDRD), Canada Bamidele Adekunle --- School of Environmental Design and Rural Development (SEDRD), Canada Glen C. Filson --- School of Environmental Design and Rural Development (SEDRD), CanadaThe multifaceted nature of agricultural innovation makes it evident that technological, industrial, human and economic factors define and redefine agricultural innovation within new cultural and technological contexts. Juxtaposing the African condition to the earlier understanding of the cross-cultural dimensions of... -
The confounding influence of urban informality on innovation and production specialisation in production clusters: evidence from Nairobi
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: John C. Harris --- Division of Regional and City Planning, College of Architecture, USAThis paper investigates two agglomeration economies, innovation and production specialisation, within Nairobi's handicraft sector. The paper asks if and by what mechanics urban informality might interfere with these important potential outcomes of clustered production. A hundred and two semi-structured interviews... -
Agro-based technological innovation: a critical analysis of the determinants of innovation in the informal sector in Harare, Zimbabwe
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Tarisai Manyati --- University of Zimbabwe,An unresolved question in innovation studies in Africa has been on why informal innovators develop technological innovations. The objective of this study was to establish the causative factors of technological innovation among the informal innovators in Harare, Zimbabwe, who manufacture... -
Ego-identity formation in Black South African young adults
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Malose S. Makhubela --- Department of Psychology, South AfricaThe study examined aspects of ego-identity development among black African students (N = 104; males = 42%; females = 58%; mean age = 18.7 yr.; SD = 0.9). They completed an ego-identity development measure. Data was analysed descriptively and also... -
An innovative drought early warning system for sub-Saharan Africa: integrating modern and indigenous approaches
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Muthoni Masinde --- Department of Information Technology, South AfricaDroughts remain the number one disaster in Africa; drought is responsible for over 88% of all the types of disasters that people are affected by. An effective drought early warning system can support appropriate mitigation and preparedness strategies and hence... -
Age, growth and reproduction of largemouth bass, Micropterus salmoides, in Lake Manyame, Zimbabwe
Item type: Journal Article • Journal: African Zoology • Authors: C.A. Beamish --- Department of Ichthyology and Fisheries Science, South Africa A.J. Booth --- Department of Ichthyology and Fisheries Science, South Africa N. Deacon --- Department of Ichthyology and Fisheries Science, South AfricaA total of 478 largemouth bass, Micropterus salmoides (Lacépède, 1802), was sampled between September 1997 and July 2001 using hook-and-line in Lake Manyame, a water supply reservoir situated outside Harare, Zimbabwe. Male fish dominated the samples, possibly an effect of... -
Amniogenesis in the African yellow bat, Scotophilus dinganii
Item type: Journal Article • Journal: African Zoology • Authors: M. van der Merwe --- Department of Zoology and Entomology, South AfricaThe African yellow house bat, Scotophilus dinganii, was found to be seasonally monestrus, carrying a single foetus in each of the two uterine horns of the bicornuate uterus. Implantation was superficial, with amniogenesis initiated early during embryogenesis. The amnion in... -
First record of predation by the alien invasive freshwater fish Micropterus salmoides L. (Centrarchidae) on migrating estuarine fishes in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Olaf L. F. Weyl --- Department of Ichthyology and Fisheries Science, South Africa Hylton Lewis --- Department of Ichthyology and Fisheries Science, South AfricaThis study presents results from stomach content analysis of 123 largemouth bass, Micropterus salmoides, sampled at the mouth of the fishway leading into a 3 m high weir at the tidal limit of the Kowie River, Eastern Cape Province (33°32‘39“S,... -
Does the endangered Knysna seahorse, Hippocampus capensis, have a preference for aquatic vegetation type, cover or height?
Item type: Journal Article • Journal: African Zoology • Authors: Peter R. Teske --- Molecular Ecology and Systematics Group, Botany Department, South Africa Jacqueline F. Lockyear --- Department of Ichthyology and Fisheries Science, South Africa Thomas Hecht --- Department of Ichthyology and Fisheries Science, South Africa Horst Kaiser --- Department of Ichthyology and Fisheries Science, South AfricaThe Knysna seahorse, Hippocampus capensis, is an endangered teleost confined to three South African estuaries. Its abundance within these systems is low and distributions are patchy. Consequently, monitoring population sizes is labour-intensive. The aim of this study was to establish... -
Small mammal diversity and density on the Bokkeveld escarpment, South Africa – implications for conservation and livestock predation
Item type: Journal Article • Journal: African Zoology • Authors: P. J. O‘Farrell --- Botany Department, South Africa J. S. Donaldson --- South African National Biodiversity Institute, South Africa M. T. Hoffman --- Botany Department, South Africa A. D. Mader --- South African National Biodiversity Institute, South AfricaA preliminary investigation of the diversity and density of small mammals in four structurally distinct habitat types in an actively-utilized farming landscape was carried out. We sought to understand how diversity and density are influenced by landscape structure, habitat structure... -
Is a reduction in the individual vigilance of mothers a key evolutionary driver of group formation in white rhinos?
Item type: Journal Article • Journal: African Zoology • Authors: Adrian M. Shrader --- School of Life Sciences, University of KwaZulu-Natal, South Africa Julie F. Post --- Department of Zoology & Entomology, South Africa Nicole Hagenah --- School of Life Sciences, University of KwaZulu-Natal, South Africa Philip W. Bateman --- Department of Environment and Agriculture, Western AustraliaA key benefit and evolutionary driver of group living is reduced predation risk. In white rhinos, groups comprise adult females, their calves and one to six unrelated subadults. Subadults benefit from group living through exposure to novel areas, and protection... -
Taxonomic and phylogenetic utility of variation in advertising calls of francolins and spurfowls (Galliformes: Phasianidae)
Item type: Journal Article • Journal: African Zoology • Authors: Tshifhiwa G. Mandiwana-Neudani --- Department of Biodiversity, South Africa Rauri C. K. Bowie --- Department of Biological Sciences, South Africa Martine Hausberger --- Université de Rennes 1, France Laurence Henry --- Université de Rennes 1, France Timothy M. Crowe --- Department of Biological Sciences, South AfricaSystematists have not often made use of avian vocalizations to assess the taxonomic rank of birds, or to infer their phylogenetic relationships. The likely reasons for this stem from the perceived inability to distinguish genetic and ecological components of variation... -
Characteristics of the alarm calls of buff-streaked chat groups and African stonechat pairs in response to increased distances from surrogate raptors and snakes
Item type: Journal Article • Journal: African Zoology • Authors: N. Seoraj-Pillai --- Department of Nature Conservation, South Africa G. Malan --- Department of Nature Conservation, South AfricaMany animals emit alarm calls in response to a potential predator. These calls may transmit information about predator type and response urgency. This study compared the alarm calls of the social buff-streaked chat, Oenanthe bifasciata, to the asocial African stonechat,... -
Adaptations to life on arid islands of South Africa: renal performance and phenotypic plasticity in the European rabbit Oryctolagus cuniculus
Item type: Journal Article • Journal: African Zoology • Authors: Gareth J. Tate --- Department of Biological Sciences, South Africa Heather G. Marco --- Department of Biological Sciences, South AfricaMorphological parameters of the mammalian kidney can provide information on the extent to which an animal is able to regulate water relations within its body and cope with arid conditions. Certain groups of mammals, such as rabbits and hares, show... -
The impact of managerial accounting and control systems on employee participation programmes: an integrated causal model and path analysis
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: J Lord --- Department of Accounting and Finance,Empirical support for the causal direction of inter-relationships between employee participation, attitudes and performance was sought on a profitable South African mine. Of particular interest were the roles played by various elements of the Firm’s managerial accounting and control system... -
Reply: Comments on “The use of statistical techniques in the interpretation and implementation of South African insider trading legislation”
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: D Botha --- Department of Accounting,This is a response to critical comments by Van Der Honert & Barr (1997), reported in this volume, relating to an earlier paper (Botha 1995). Van Der Honert & Barr assert that two blemishes in the reasoning and the model... -
Measuring the selection and timing abilities of South African fund managers
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: D J Bradfield --- Department of Statistical Sciences,This article reviews a model proposed by Bhattacharya and Pfleiderer (1983) and first implemented by Lee and Rhaman (1990) which allows the separation of the measurement of selection and timing skills of fund managers. It is the first model to... -
The domestic transfer pricing practices of large listed South African industrial companies
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: I Vally --- Department of Accountancy,The three main objectives of a domestic transfer pricing system are: (1) the attainment of goal congruence, (2) the facilitation of fair divisional performance evaluation and (3) the promotion of divisional autonomy. -
Portfolio aspects of segment identification
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: N Garrod --- Department of Accounting and Finance,Despite the enactment of accounting standards on segmental reporting around the globe, the question of segment identification still remains unresolved. The current debate between the FASB and IASC on whether a managerial or risk-return approach is most beneficial to users... -
Uncertainty, cost of capital and financial disclosure: A review of the theory and some evidence
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: M Negash --- University of the Witwatersrand,This paper contains a critical review of the uncertainty research, and reports on the relationship between corporate disclosure and the adverse selection component of the buy-sell (bid-ask) spread of stock prices. Order processing and holding costs will be decoupled from... -
Recent evidence on the persistence of fund performance – A note
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: D Bradfield --- Department of Statistical Sciences, J Swartz --- University of Cape Town,This note highlights recent evidence on the persistence of fund performance in South Africa, throwing new light on the 1985–1995 study conducted by Meyer (1997). Our analysis on the persistence of South African fund performance is based on the General... -
Financial Information Systems: Teaching REA semantics within an Information Engineering framework
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: J. Callaghan --- Professor of Accounting, School of Business Administration, United States of America A. Savage --- Assistant Professor of Accounting, School of Business Administration, United States of America E. Peacock --- Professor of Accounting, School of Business Administration, United States of AmericaThe purpose of this paper is to describe how the accounting REA model can be incorporated into the Information Engineering set of methodologies in the Accounting or Financial Information Systems classroom. We contrast the traditional Information Engineering approach with one... -
The appropriateness of performance measurement in the service sector: A case study
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: K Sartorius --- School of Accountancy, C Eitzen --- School of Accountancy, C Nicholson --- School of Accountancy,The development of performance measures in service companies has not kept abreast with their manufacturing counterparts despite the unprecedented growth of this sector in recent decades. The objective of this paper is to contribute towards a better understanding of the... -
An analysis of the current IT education offered to accounting students at South African universities
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: P L Wessels --- Department of Accounting,The accountancy and auditing profession operates within an environment that is changing at a rapid pace. Professional accountants need to remain relevant in this changing environment that may require them to change or adapt the services they offer to their... -
An analysis of underpricing and aftermarket performance of initial public offerings on the Alternative Exchange (AltX)
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: C. Correia --- Department of Accounting, G. Holman --- Department of Accounting,This paper reviews the international evidence of underpricing of Initial Public Offerings and analyses IPO underpricing by companies listing on the South African Alternative Exchange (AltX). Underpricing is indicated by measuring the percentage difference between the initial offer price and... -
Estimating technical and scale efficiency in banks and its relationship with economic value added: A South African study
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: M Oberholzer --- WorkWell: Research Unit for Economic and Management Sciences, Faculty Economic and Management Sciences, G van der Westhuizen --- Unit for Business Mathematics and Informatics, Faculty Economic Sciences and Information Technology,This study used monthly balance sheet data, annual financial statement reports as well as other relevant data to calculate the technical and scale efficiency estimates (determined by Data Envelopment Analysis (DEA)) as well as the performance measurement of economic value... -
The information content of the Financial Mail’s “Top Companies” announcements
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: W D Esterhuysen --- Gordon Institute of Business Science, South Africa M Ward --- Gordon Institute of Business Science, South AfricaInvestors look beyond accounting and financial data and incorporate factors relating to morality, society, the environment and corporate governance (inter alia) in making their investment choices. This study examines the share price performance of South African companies which best comply... -
A Note: Estimating the relationship between environmental performance and economic performance of South African mining companies
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: T F Prinsloo --- Faculty of Economic and Management Sciences, M Oberholzer --- Faculty of Economic and Management Sciences,The purpose of the study is to determine the relationship between environmental performance and economic performance in the South African mining industry, where the economic performance consists of market-based and accounting-based estimates. In this regard, Spearman’s ranking-order correlation was applied... -
Explaining the first-year academic performance of commerce academic development students: A statistical analysis
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: L C Smith --- Education Development Unit, Faculty of Commerce, J Pym --- Education Development Unit, Faculty of Commerce, V Ranchhod --- School of Economics,Academic development students’ academic performance in the first-year accounting degree is influenced by a range of personal and contextual variables. The objective of this paper is to conduct an exploratory investigation of a selection of these variables in order to... -
A comparison of the performance of the FTSE South Africa Islamic Index to the conventional market (JSE) in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Riaz Dhai --- School of Accounting, Economics & Finance, South AfricaOver the past four decades there has been a growing interest in the emerging field of Islamic finance and investment (IFI) in South Africa and more generally in other parts of the Western world. One of the distinguishing features of... -
An analysis of corporate governance and company performance: a South African perspective
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Hamutyinei Harvey Pamburai --- Department of Finance & Tax, South Africa Eddie Chamisa --- Department of Finance & Tax, South Africa Cader Abdulla --- Department of Finance & Tax, South Africa Colin Smith --- Department of Finance & Tax, South AfricaThis study examines the relationship between corporate governance mechanisms and company performance as measured by economic value added (EVA), return on assets (ROA) and Tobin's Q. A multiple regression model is used to compare the association between corporate governance mechanisms... -
Exploring student perceptions and experiences of ICT-enhanced formative assessment in an undergraduate management accounting course
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: K. J. Barnard --- Department of Accounting, South Africa M. Mostert --- Centre for Higher Education, Research, Teaching and Learning, South AfricaThe central role of assessment in driving student learning has been well argued in the literature. In particular, continuous formative assessment with timely feedback helps motivate students to work consistently, while the addition of just-in-time support may further motivate and... -
The supply and demand effect of block transactions on share prices
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Mark Atkins --- Graduate School of Business Management, Mike Ward --- Graduate School of Business Management,The effect of supply and demand on the pricing of shares was investigated by analysing block transactions on the JSE. A sample of 291 block transactions was selected from the period 1 June 1993 to 1 June 1994 from the... -
Information content in the depth of futures markets
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: I-Chun Tsai --- Department of Finance, TaiwanThe paper uses open interest as the proxy variable of market depth to estimate its effects on volatility, return, volume and deviations of contract prices from the fundamental level. It adopts open interest from three types of investors, namely, dealers,... -
Fund manager characteristics and performance
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Yi Fang --- Center for Quantitative Economics, China Haiping Wang --- School of Administrative Studies, CanadaThis study establishes a multitier framework to evaluate how fund manager characteristics systematically affect mutual fund performance. The framework includes three tiers of performance elements: comprehensive performance; return and risk; and timing skill and picking ability. Using performance decomposition, our... -
Perceptions regarding the sources of financial information for South African institutional investors
Item type: Journal Article • Journal: De Ratione • Authors: D.K. Flynn --- University of Cape Town,The sources of financial information of institutional investors used for the purpose of making decisions regarding the buying, holding and selling of ordinary shares is the focus of this article. The results of a survey of a sample of institutional... -
Basic Financial Statements: Objectives, Categories, Principles and Presentation
Item type: Journal Article • Journal: De Ratione • Authors: J.A. Miller --- University of Natal,Objectives ae suggested for each of the basic financial statements in the annual report of a business entity. Categories of information required and the principles used in their classification, are identified and defined. A suggested presentation reflects cash flow alongside... -
Planning to recover from the loss of computer facilities
Trends in South Africa over the last five years Item type: Journal Article • Journal: De Ratione • Authors: J. Miller --- Graduate School of Business, M. A. Wenham --- Graduate School of Business,A national survey of computer disaster recovery planning by major computer users in South Africa was conducted in 1990. The results are reported in this article and show that most firms are highly dependent on their computer systems. Almost a... -
Intemasionale rekeningkundige standaarde: ’n waardebepaling
Item type: Journal Article • Journal: De Ratione • Authors: M.A. Faul --- Universiteit van Suid-Afrika, T.H. Wallach --- Universiteit van Durban-Westville, -
A review of the efficiency of the Johannesburg Stock Exchange
Item type: Journal Article • Journal: De Ratione • Authors: Narendra Bhana --- Graduate School of Business University of Durban-Westville Private Bag,In recent years there has been considerable evidence which contradicts the efficient market hypothesis. This evidence is reviewed with particular attention to the JSE, The efficiency of the JSE is evaluated by using an efficiency scale which ranges from perfect... -
Reforming taxation of business for rationalisation and inflation-neutrality
Item type: Journal Article • Journal: De Ratione • Authors: Wesley J Gavin --- Professor in the Department of Accounting at Rhodes University,Taxation of business in South Africa needs reforming to avoid inflationary distortions and investment disincentives. Inflation adjusted income has largely been abandoned as a feasible tax base. Taxing both corporate and non-corporate business income at a flat rate on the... -
The use of statistical techniques in the interpretation and implementation of South African insider trading legislation
Item type: Journal Article • Journal: De Ratione • Authors: Derek Botha --- Associate Professor of Accounting at the University of Cape Town,In South Africa there have been no prosecutions for insider trading, emanating either from the original provisions of the Companies Act, 1973, or the subsequent amendments, in terms of which this activity has been criminalised. In an attempt to facilitate... -
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... -
To what extent are restaurants prepared to respond to the needs of guests with food allergies and intolerances?
Item type: Journal Article • Journal: • Authors: Maxine van Dam --- Stenden Hotel Management School, Leeuwarden, The Netherlands Lysbet Wiersma --- Stenden Hotel Management School, Leeuwarden, The NetherlandsThe purpose of this research is to examine the knowledge of restaurants regarding food allergies and intolerances. The main research question is this: to what extent are restaurants prepared to respond to the needs of guests with food allergies and... -
Food and wine pairing: A new approach
Item type: Journal Article • Journal: • Authors: Peter Klosse --- Academie voor Gastronomie, Hotel Gastronomique De Echoput, Hoog Soeren, NetherlandsFlavour can be assessed objectively with the use of the newly developed flavour styles theory. In this approach, flavour is structured on the parameters contracting mouthfeel, coating mouthfeel and flavour richness. The result is the flavour styles cube. The eight... -
Profile and acute mortality outcome of patients admitted with cryptococcal meningitis to an urban district hospital in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: BO Adeyemi --- Department of Family Medicine, South Africa A Ross --- Department of Family Medicine, South AfricaBackground: Cryptococcal meningitis (CCM) is one of the leading causes of early mortality in human immunodeficiency virus (HIV)-infected patients. This study was part of a clinical audit aimed at improving care for patients with CCM at an urban district hospital... -
Aesthetics of Muslim public and community formations in Cape Town: observations of an anthropologist
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Ala Rabiha Alhourani --- Department of Anthropology and Sociology, South AfricaThis paper explores the implications of the arrival of Muslim Somali immigrants for the emergence of other Muslim communities in post-apartheid Cape Town. The ethnography unpacks the complexity and diversity of Somali identity formation, their culturally distinct politics of aesthetics... -
The Relationship between Competitive Strategy and Firm Performance in Micro and Small Businesses in Ghana: The Moderating Role of Managerial and Marketing Capabilities
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Moses Acquaah --- Bryan School of Business and Economics, USA Ahmed Agyapong --- KNUST Business School, GhanaThis study investigates the role of managerial and marketing capabilities in moderating the relationship between competitive strategy and firm performance using data from 581 micro and small businesses (MSBs) in Ghana. Using a hierarchical multiple regression analysis the findings indicate... -
Patterns in financial performance indicators of capital and labour intensive enterprises during an upswing and a decline in the economic cycle
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: JZ Bloom --- Department of Business Management, IJ Lambrechts --- Department of Business Management, NJ le Roux --- Department of Statistics and Actuarial Science,The objective of this paper is to investigate patterns in the behaviour of various financial performance indicators for capital intensive (CI) and labour intensive (LI) enterprises during an upswing (1987–1989) and a decline (1990–1992) phase of the economic cycle, as... -
Uncertainty, cost of capital and financial disclosure: A review of the theory and some evidence
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: M Negash --- University of the Witwatersrand,This paper contains a critical review of the uncertainty research, and reports on the relationship between corporate disclosure and the adverse selection component of the buy-sell (bid-ask) spread of stock prices. Order processing and holding costs will be decoupled from... -
CEO's use of financial and non-financial performance measures: Manufacturing companies in Mauritius and Australia compared
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: DW Taylor --- School of Accounting, Curtin University of Technology, Australia T Soobaroyen --- School of Management, University of Mauritius, C Ah-Hen --- School of Management, University of Mauritius,It is contended in a body of management accounting literature that financial performance measures are being rendered less relevant than non-financial measures in the management of companies. Such a management trend towards non-financial performance measures is particularly applicable to manufacturing... -
Recent evidence on the persistence of fund performance—A note
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: D Bradfield --- Quantitative Research, Cadiz Holdings, J Swartz --- University of Cape Town,This note highlights recent evidence on the persistence of fund performance in South Africa, throwing new light on the 1985–1995 study conducted by Meyer (1997). Our analysis on the persistence of South African fund performance is based on the General... -
Age and growth of the common blacktip shark Carcharhinus limbatus from Indonesia, incorporating an improved approach to comparing regional population growth rates
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JJ Smart --- Centre for Sustainable Tropical Fisheries and Aquaculture, Australia A Chin --- Centre for Sustainable Tropical Fisheries and Aquaculture, Australia AJ Tobin --- Centre for Sustainable Tropical Fisheries and Aquaculture, Australia CA Simpfendorfer --- Centre for Sustainable Tropical Fisheries and Aquaculture, Australia WT White --- CSIRO Oceans & Atmosphere Flagship, AustraliaAge and growth estimates from length‑at‑age data were produced for the common blacktip shark Carcharhinus limbatus from Indonesia. Back‑calculation techniques were used due to a low sample size (n = 30), which was dominated by large, mature sharks. A multi‑model... -
Sexual dimorphism based on body proportions and ontogenetic changes in the Brazilian electric ray Narcine brasiliensis (von Olfers, 1831) (Chondrichthyes: Narcinidae)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: FA Rolim --- Fisheries Institute of São Paulo, Brazil FP Caltabellotta --- Oceanography Department, Brazil MM Rotundo --- Zoological Collection of University of Santa Cecília – UNISANTA, Brazil T Vaske-Júnior --- Elasmobranch Laboratory, BrazilSexual dimorphism in the Brazilian electric ray Narcine brasiliensis from the south‑western Atlantic coast was evaluated based on body proportions and ontogenetic changes. All regions of the body were found to have differences in body proportions between the sexes, except... -
Information and Communication Technologies (ICTs) Attract Youth into Profitable Agriculture in Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: K. R. G. Irungu --- Kenya Agricultural Research Institute, Kenya D. Mbugua --- Kenya Agricultural Research Institute, Kenya J. Muia --- Kenya Agricultural Research Institute, KenyaYouth cherish technology, efficiency and innovations and accommodate entrepreneurial risks. The objectives of this study were to show the beneficial use of Information and Communication Technologies (ICTs) in agriculture among the youth in Kenya, assessed ICT application and commonly used... -
Perceptions Among Professional Accounting Students of Self, Job Attractiveness and Academic Reputation
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: E Papageorgiou --- School of Accountancy, C Callaghan --- School of Economic and Business Sciences, D Coldwell --- School of Economic and Business Sciences, T Joosub --- School of Accountancy,Discussions around career pathways have gained momentum in the field of career development to assist young people in mapping out their career choices in order to achieve meaningful and productive futures. The purpose of the study was to empirically investigate... -
Capitalising on privilege: home-based businesses and informal settlements as a post-apartheid phenomenon in Indian dominated residential areas in Durban, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Anand Singh --- School of Sciences and Development Studies, University of KwaZulu-Natal, South AfricaThis paper is an ethnographic account of fieldwork that began in 1999 when African squatter camps in the Greater Durban metropolitan area accommodated people almost equal in number to the settled tax-paying Indian residents in the vicinity. While their numbers... -
Formal and informal dispute resolution in the Limpopo Province, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: C. S. van der Waal --- Dept. of Sociology and Social Anthropology,The study of customary law benefits from a focus on both its formal rules and mechanisms and the informal aspect. The complexity of ‘living law’ is best captured by considering process and context. The working of the three-leveled formal traditional... -
Cultural diversity, group formation and alienation as constraints on employee interaction in a wholesale company
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Stephné Herselman --- Department of Anthropology and Archaeology,Although a relatively new concept in anthropology, the notion of cultural alienation appears to be a useful instrument to explain aspects of workplace interaction and behaviour. This article deals with alienation as a function of cultural diversity in a wholesale... -
Window onto a world of waste: cultural aspects of work in South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Vivienne Ward --- Department of Sociology and Social Anthropology, South Africa Frans Kamsteeg --- Department of Culture, The NetherlandsIn the Western Cape a system has emerged in recent years where informal groupings of poor people make a living by recycling waste material in exchange for cash. There are several dynamic interfaces in this process and this short study... -
Rhetoric and anthropology
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Philippe-Joseph Salazar --- Centre for Rhetoric Studies, Department of Social Anthropology, South AfricaThis essay deals with the relationship between rhetoric and anthropology, along three main lines of argument. The author offers reflections on the relationship between the two fields, highlighting contentious intersections, as in the case of the French anthropological tradition. He... -
The indigenous contract as legal phenomenon
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: FP van R Whelpton --- Department of Constitutional,Drawing largely on the views of various theorists, this article seeks to discuss the indigenous contract as legal phenomenon with specific reference to underlying values and legal principles of indigenous contracts in the southern African context. It shows that indigenous... -
The Constitutional right to culture and the judicial development of Indigenous Law: a comparative analysis of cases
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Joan Church --- Department of Jurisprudence, Jacqueline Church --- Department of Procedural Law, Faculty of Law,Although integral to the culture of indigenous peoples in South Africa, indigenous law was historically only recognised as a personal law subservient to the general law. This is no longer so. In the Constitution of the Republic of South Africa,... -
Reproducing criticality: South African social-cultural anthropology's contemporary challenge—the UCT experience
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Andrew D. Spiegel --- Department of Social Anthropology,For many who were drawn to the discipline during South Africa's apartheid years, social anthropology offered a means for a cohort of primarily middle class persons to crystallise an otherwise inchoate criticality about the regime, in large part by providing... -
Shoveling sand or changing the nation?: transformation activism in Cape Town
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Catherine Besteman --- Department of Anthropology, -
Ocean, time and value: speaking about the sea in Kassiesbaai
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Marieke van Zyl --- Department of Social Anthropology,This article looks at the manner in which different parties engage with the issue of fishing rights on the inter-personal and public levels over the issue of fishing rights allocation in South Africa. Taking the historic fishing village of Kassiesbaai... -
Glaring invisibility: dressing the body of the female cleaner
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Maheshvari Naidu --- School of Anthropology, Gender and Historical Studies, University of KwaZulu Natal,The paper explores how the uniform of a group of female cleaners appears to be more than an abstract object framed by the practical exegetics of work. The uniform is seen as acting as a material exercise of discretionary and... -
‘We can be united, but we are different’: discourses of difference in postcolonial Namibia
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Michael Akuupa --- Dept of Anthropology and Sociology,Social scientists who have written about the dynamics of festival rituals have analysed such practices variously as celebrations of commonality, as the enhancement of social cohesion, or as expressions of nostalgia. Festivals have also been studied as spaces where information... -
Greeting rituals as everyday management of differences among RasTafari groups in Stellenbosch
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Lennox Olivier --- Sociology and Social Anthropology, Stellenbosch University,Greeting is a meaningful part of everyday interaction among individuals from different RasTafari groups in Stellenbosch, since it contributes to the construction and maintenance of the identity and boundaries of groups. Drawing upon extensive participant observation, I first look at... -
Transformation as social drama: Stories about merging at North West University, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: F.H. Kamsteeg --- VU University Amsterdam, The NetherlandsSouth African higher education is going through a transitional phase of transformation in which existing cultures and identities are strongly contested. The ambiguity and insecurity that come along with such a process are demonstrated in this article through presentation of... -
New insights on trust, honour and networking in informal entrepreneurship: Zimbabwean malayishas as informal remittance couriers
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Phefumula Nyoni --- Department of Anthropology,The paper focuses on the utility of the concepts of trust and honour in understanding relations among Zimbabwean remittance couriers who are popularly known as “malayishas”. Trust and honour are explored in relation to how they produce and sustain a... -
The politics and aesthetics of commemoration: national days in southern Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Heike Becker --- Department of Anthropology and Sociology, South Africa Carola Lentz --- Department of Anthropology and African Studies, GermanyThe contributions to the special section in this issue study recent independence celebrations and other national days in South Africa, Namibia, Zimbabwe, Madagascar and the Democratic Republic of Congo. They explore the role of national days in state-making and nation-building,... -
On law and legality in post-apartheid South Africa: insights from a migrant street trader
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Jürgen Schraten --- The Human Economy Project, Faculty of Humanities, South AfricaThis article focuses on the experience of law and legality by a migrant street trader in post-apartheid South Africa. The experiences of this stall vendor are analysed alongside theoretical notions of law and the legal system. The ways that law... -
Towards a human economy: reflections on a new project
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: John Sharp --- Department of Anthropology and Archaeology, South AfricaThe University of Pretoria's Human Economy project began at the end of 2010. To date it has involved eighteen post-doctoral fellows, drawn from around the world, and eight doctoral candidates, all from Africa. This paper reviews the project's progress, drawing... -
Stereotypical attitudes amongst black students at a rural historically black South African university
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Cebile Mensele --- Industrial and Organisational Psychology, South Africa Kathryn Nel --- Department of Psychology, South Africa Elzabé C. Nel --- Industrial and Organisational Psychology, South Africa Larisa A Louw --- Industrial and Organisational Psychology, South AfricaThis study investigated stereotypical attitudes towards race amongst Black students (N=274) attending a historically Black South African university (females=62%; mean age of 22.15 years; SD=3.00 years). Data on group stereotyping by race were collected using a semi-structured questionnaire. The data... -
Pathology of gestational trophoblastic neoplasia: a review with recent insights
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: T Slavik --- Anatomical Pathologist, Ampath Pathology Laboratories, South AfricaGestational trophoblastic neoplasia (GTN) refers to a unique and heterogeneous group of conditions demonstrating differentiation towards various components of gestational trophoblast. Variants of hydatidiform mole (HM) are considered benign, whilst choriocarcinoma (CC), placental site trophoblastic tumour (PSTT) and the more... -
Large loop excision of the transformation zone (LLETZ): a pathology evaluation in the Limpopo province, South Africa
Item type: Journal Article • Journal: Southern African Journal of Gynaecological Oncology • Authors: L J Van Bogaert --- Department of Anatomical Pathology,Objective: To evaluate the cytological and histopathological concordance in large loop excision of the transformation zone (LLETZ) specimens, and the outcomes according to the characteristics of the excision margins. -
Predictors of tuberculosis treatment defaulting in informal dwellers within the eThekwini municipality, Kwazulu-Natal
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: A Rajagopaul --- Department of Community Health Studies Faculty of Health Sciences, E J Kistnasamy --- Department of Community Health Studies Faculty of Health Sciences, P Reddy --- Department of Community Health Studies Faculty of Health Sciences,Globally, tuberculosis causes more than 2-million deaths annually. Despite the implementation of the directly observed treatment strategy (DOTS) in South Africa, cure and defaulter rates have not reached World Health Organization (WHO) target rates. This causes concern as it may... -
Cryptococcal osteomyelitis in a clinically immune-competent child
Item type: Journal Article • Journal: Southern African Journal of Infectious Diseases • Authors: GB Firth --- Orthopaedic Surgery Division, South Africa T Ntanjana --- Orthopaedic Surgery Division, South Africa T Law --- Division of Microbiology, South AfricaCryptococcus neoformans is a fungus which rarely infects immune competent children. It commonly affects the lung and central nervous system in immunodeficient individuals. Osteomyelitis is extremely rare and this case report presents an eight-year-old immune competent boy with a tibial... -
Self-employed women and their access to finance: perspectives from the informal sector
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Harshana Kasseeah --- Department of Economics and Statistics, Mauritius Verena Tandrayen-Ragoobur --- Department of Economics and Statistics, MauritiusThe objective of this paper is to investigate the factors that impact on the difficulty that self-employed women operating in the informal sector in Mauritius face in their access to finance. Using data obtained from a survey of 158 self-employed... -
Entrepreneurial innovations for agricultural mechanisation in Zimbabwe: Evidence from an informal metal industry survey
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kingstone Mujeyi --- Department of Agricultural Economics, Zimbabwe Jackqueline Mutambara --- Department of Agricultural Economics and Extension, Zimbabwe Shephard Siziba --- Department of Agricultural Economics and Extension, Zimbabwe Wilbert Z. Sadomba --- Centre for Applied Social Sciences, Zimbabwe Tarisai K. Manyati --- Department of Sociology, ZimbabweThis study uses data collected from 602 randomly selected informal metal industry entrepreneurs across 15 cluster-sampled districts in eight of Zimbabwe's 10 provinces to analyse factors that influence technological innovations development by informal agribusiness entrepreneurs. It applies a binary logistic... -
Costs associated with tail autotomy in an ambush foraging lizard, Cordylus melanotus melanotus
Item type: Journal Article • Journal: African Zoology • Authors: Suzanne McConnachie --- Communication and Behaviour Research Group, School of Animal, Plant and Environmental Sciences, South Africa Martin J. Whiting --- Communication and Behaviour Research Group, School of Animal, Plant and Environmental Sciences, South AfricaTail autotomy is a widespread method of escape among lizards and can be costly. Most studies on the effects of tail loss have focused on active foraging lizards, but few data exist for ambush foraging lizards. We investigated potential costsassociated... -
Xenopus laevis embryos and tadpoles as models for testing for pollution by zinc, copper, lead and cadmium
Item type: Journal Article • Journal: African Zoology • Authors: Lorren K. Haywood --- Ecophysiological Studies Research Group, School of Animal, South Africa Graham J. Alexander --- Ecophysiological Studies Research Group, School of Animal, South Africa Marcus J. Byrne --- Ecophysiological Studies Research Group, School of Animal, South Africa Ewa Cukrowska --- School of Chemistry, South AfricaThe toxicity of bio available Zn, Cu, Pb, and Cd on the life stages of Xenopus laevis embryos and tadpoles was investigated. Cu and Cd were found to affect the hatching success of the embryos, with a strong negative relationship... -
Effect of temperature on growth, survival and reproduction of Bulinus nyassanus (Smith, 1877) (Mollusca: Gastropoda) from Lake Malawi
Item type: Journal Article • Journal: African Zoology • Authors: Godfrey K. Kubirizajournal --- Department of Zoology, Faculty of Science, Uganda Henry Madsen --- Mandahl Barth Research Centre for Biodiversity and Health, DBL Centre for Health Research and Development, Faculty of Life Sciences, Denmark Jeremy S. Likongwe --- Aquaculture and Fisheries Science Department, Bunda College of Agriculture, Malawi Jay R. Stauffer Jr --- School of Forest Resources, U.S.A. Jeremiah Kang????Ombe --- Aquaculture and Fisheries Science Department, Bunda College of Agriculture, Malawi Fanuel Kapute --- Aquaculture and Fisheries Science Department, Bunda College of Agriculture, MalawiBulinus nyassanus, endemic to Lake Malawi, is an intermediate host for Schistosoma haematobium and plays an important role in transmission of this parasite along some shorelines on the Nankumba Peninsula in the southern part of the lake. Density of B... -
Brand performance of Chinese domestic vs. international hotels: Perceptions of operators as well as domestic and foreign guests
Item type: Journal Article • Journal: • Authors: Cathy H.C. Hsu --- School of Hotel and Tourism Management, The Hong Kong Polytechnic University, Kowloon, Hong KongThe significant differences in financial performance between internationally branded hotels and domestically branded hotels in China inspired this study. As part of the research, we surveyed hotel operators and guests on their perception of brand performance of the hotel they managed and... -
Hotel quality in the European Capital of Culture: Leeuwarden 2018
Item type: Journal Article • Journal: • Authors: Sjoerd Gehrels --- Stenden Academy of International Hospitality Research, Leeuwarden, The Netherlands Thomas Landen --- Revinate, Amsterdam, The NetherlandsThis research looks into the experience as perceived in 2014 by hotel guests in 15 bigger Dutch cities. The hotel reviews of Leeuwarden (Capital of Culture 2018) are compared to those of hotels in the other cities to provide an initial... -
Not everyone can afford an apple a day: stigma and food insecurity in rural South African young adults
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Rebecca Fielding-Miller --- Department of Medicine, Division of Global Public Health, Kristin L Dunkle --- South African Medical Research Council, Daniel Murdock --- Rollins School of Public Health, Department of Behavioral Sciences and Health Education, GeorgiaThe HIV epidemic in South Africa has created a generation of orphaned and vulnerable children (OVCs). Little is known about the experiences of these “former” OVCs once they pass their 18th birthday. We conducted a qualitative study to understand the... -
Church rules? The lines of ordentlikheid among Stellenbosch Afrikaners
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Annika Teppo --- Nordic Africa Institute, SwedenEthnographic accounts of South African moral codes have mostly focused on so-called black and coloured areas, while the ideals and practices of white people have remained largely invisible and undiscussed. In the post-apartheid era, Afrikaners’ everyday religious practices as well... -
Diatoms as water quality indicators in the upper reaches of the Great Fish River, Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Holmes --- School of Biological Sciences, South Africa JC Taylor --- School of Biological Sciences, South AfricaThis study focused on the spring-fed upper reaches of the economically important Great Fish River with the aim of determining if diatoms could be used for biomonitoring in semi-arid conditions in southern Africa. Five sites were monitored monthly from 2010... -
Siphonostomatoid copepods infecting Squalus acutipinnis Regan, 1908 off South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SM Dippenaar --- Department of Biodiversity, South Africa RA Molele --- Department of Biodiversity, South AfricaSqualus acutipinnis (previously included in S. megalops) individuals caught off the east, south and west coasts of South Africa were examined for siphonostomatoid copepod infection. Collected siphonostomatoids were fixed and preserved in 70% ethanol and studied under microscopes using both... -
Strengthening Capacity for Agribusiness Development and Management in Sub-Saharan Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Suresh Chandra Babu --- Capacity Strengthening Program, USA Rupak Manvatkar --- World Food Programme, Italy Shashidhara Kolavalli --- Ghana Strategy Support Program, GhanaIn sub-Saharan Africa, agribusiness has a major role to play in the transformation of the agricultural sector. The demand for high-value food products is increasing, creating an opportunity for the production and export of these goods. To capture the benefits... -
The implication of using a fixed form factor in areas under different rainfall and soil conditions for Pinus kesiya in Zambia
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Darius Phiri --- School of Natural Resources, Zambia Eliud Phiri --- 47 Second Street, Mindolo, Zambia Robby Kasubika --- School of Natural Resources, Zambia Donald Zulu --- School of Natural Resources, Zambia Chisala Lwali --- School of Natural Resources, ZambiaThe study was undertaken to evaluate form factors for Pinus kesiya growing in the three Zambia Forest and Forestry Industries Corporation (ZAFFICO) plantations – the Ndola, Ichimpe and Chati groups – under different rainfall (900–1 500 mm) and soil conditions (pH... -
Tomatis® Method comparative efficacy in promoting self-regulation in tertiary students: A systematic review
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Annelize Bonthuys --- School for Psychosocial Behavioural Sciences, North-West University:, South Africa Karel Botha --- School for Psychosocial Behavioural Sciences, North-West University:, South AfricaThis systematic review sought to determine the evidence on how the Tomatis® Method, a sound stimulation intervention for improving listening, compares to other self-regulation interventions with tertiary students. We searched studies from the following data bases ‘Academic FileOne, CINAHL, Cochrane... -
Johnny Clegg: a shadow man
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Marguerite de Villiers --- , South AfricaJohnny Clegg has been given many labels — White Zulu, academic, activist, performer. In the context of apartheid South Africa, his deliberate interaction with Zulu-speaking migrant workers and street musicians in Johannesburg helped shape his performance style. His training in... -
(Dis)empowered whiteness: un-whitely spaces and the production of the good white home
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Christi Kruger --- Wits Institute for Social and Economic Research, South AfricaThis paper draws on ethnographic fieldwork in a white informal settlement in South Africa, to explore the ways in which poorer whites with perceived notions of whiteness and blackness negotiate living in informal settlements. In doing this, I argue, they... -
Determinants of student performance in an accounting degree programme
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Jade Jansen --- University of the Western Cape, South Africa Charl de Villiers --- Auckland University of Technology, New ZealandThe objective of this study is to identify, by way of regression analysis, the factors that have a significant relationship with student performance in accounting at the third-year level at universities. This study extends the existing literature on student performance... -
The informed consent process for anaesthesia: perspectives of elective surgical patients at Inkosi Albert Luthuli Central Hospital, Durban, South Africa
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: S Naidu --- Discipline of Anaesthesiology and Critical Care, South Africa PD Gopalan --- Discipline of Anaesthesiology and Critical Care, South AfricaBackground: Amongst state hospitals in the eThekwini municipality, obtaining informed consent for anaesthesia is often an informal interaction between the patient and anaesthetist, lacking structure and standardisation. -
Technical efficiency of informal manufacturing sector enterprises: Evidence from the informal metal industry of Zimbabwe
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kingstone Mujeyi --- Agricultural Economics and Extension, Zimbabwe Shephard Siziba --- Agricultural Economics and Extension, Zimbabwe Wilbert. Z. Sadomba --- Centre for Applied Social Sciences, Zimbabwe Jackqeline Mutambara --- Agricultural Economics and Extension, ZimbabweUsing data collected from a sample of 442 informal enterprises operating at eight centres in three provinces of Zimbabwe, this study evaluates technical efficiency of selected informal sector metal manufacturing enterprises. An analysis of factors that influence such efficiency levels... -
Multi-criteria performance evaluation of an airline maintenance programme – A case study
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kazeem A Adebiyi --- Mechanical Engineering Department, Nigeria Olasunkanmi O Akinyemi --- Agricultural and Mechanical Engineering Department, Nigeria Egunleti O Adeleye --- Agricultural and Mechanical Engineering Department, NigeriaIt has always been a concern to most airline operators why their aircraft are on the ground despite all the resources being incurred on maintenance. It is the main goal of this study to evaluate the performance of an airline... -
Technology for street traders in Tanzania: A design science research approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Nasibu Mramba --- College of Business Education (CBE), Tanzania Mikko Apiola --- School of Computing, Finland Emmanuel Awuni Kolog --- School of Computing, Finland Erkki Sutinen --- Department of Information Technology, FinlandThe informal sector employs the major part of workers in developing countries. Street trading is a common form of informal work. Despite its huge economic value in developing countries, little research is being done to improve street traders’ empowerment and... -
Mutual fund performance: a market efficiency perspective
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Tim Verheyden --- Arabesque Asset Management Ltd, United Kingdom Lieven De Moor --- Faculty of Economic and Social Sciences and Solvay Business School, Belgium Rosanne Vanpée --- Faculty of Economics and Business, KU Leuven Campus Brussel, BelgiumThis study reconciles existing literature on stock market efficiency and mutual fund performance by developing a framework to test whether fund managers are able to exploit market inefficiencies. We find a positive relationship between alpha and weak-form market efficiency. Most... -
Psychological skills and mindfulness training effects on the psychological wellbeing of undergraduate music students: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Barend JM Steyn --- Department of Sport and Leisure Studies, South Africa Margaretha H Steyn --- Department of Psychology, South Africa David JF Maree --- Department of Psychology, South Africa Clorinda Panebianco-Warrens --- Department of Music, South AfricaThis study explored the efficacy of psychological skills and mindfulness training intervention on the psychological wellbeing of undergraduate music students. Participants were undergraduate music students (n = 36) from the Department of Music at a South African university, 21 of... -
Social media (SM) use by technology education students on field placement
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Watson Moffat Manduna --- Department of Mathematics, Science and Technology Education, South AfricaThis study explored the intuitions and usage of social media (SM) for communication and instructional support by information technology (ICT) education students on field placement. A random sampling procedure was used to select 37 pre-service teachers (female = 65%; mean... -
Furcocercous cercariae shed by the freshwater snails Pila occidentalis (Mousson, 1887) and Biomphalaria pfeifferi (Krauss, 1848) in the Okavango Delta, Botswana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: C Jansen van Rensburg --- Department of Zoology and Entomology, South Africa PH King --- Department of Biology, South Africa JG van As --- Department of Zoology and Entomology, South AfricaDuring July 2009 and 2010 surveys of snail-borne larval trematodes of the Okavango Delta floodplains and lagoons were undertaken. Cercaria mohemboense were shed by Pila occidentalis (Mousson, 1887) and Cercaria dubaensis and Cercaria indistinctus were shed by Biomphalaria pfeifferi (Krauss,... -
On The Diophantine equation Fn +F m =2 a
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jhon J. Bravo --- , , Colombia Florian Luca --- , , South AfricaIn this paper, we find all the solutions of the title Diophantine equation in positive integer variables (n, m, a), where F k is the kth term of the Fibonacci sequence. The proof of our main theorem uses lower... -
Factors influencing high socio-economic class mothers’ decision regarding formula-feeding practices in the Cape Metropole
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: M. Sowden --- Division of Human Nutrition, D. Marais --- Division of Human Nutrition, R. Beukes --- Division of Human Nutrition,The aims of the study were to identify the reasons why high socio-economic class women in the Cape Metropole decide not to breast-feed; to evaluate whether the type and volume of infant formula selected by the mother was appropriate for... -
Dietary fat knowledge and intake of mid-adolescents attending public schools in the Bellville/Durbanville area of the city of Cape Town
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: I. Venter --- Department of Agricultural and Food Sciences, South Africa A. Winterbach --- Department of Agricultural and Food Sciences, South AfricaObjectives: This survey primarily investigated the dietary fat knowledge and intake of 17-year-olds. -
Growth of infants born to HIV-positive mothers fed a whey-adapted acidified starter formula with prebiotics and nucleotides
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Pa Cooper --- Department of Paediatrics, South Africa Kd Bolton --- Department of Paediatrics, South Africa M. Mokhachane --- Department of Paediatrics, South Africa Sc Velaphi --- Department of Paediatrics, South Africa Rm Mphahlele --- Department of Paediatrics, South Africa Hn Bomela --- Department of Paediatrics, South Africa L. Monaheng --- Department of Paediatrics, South Africa P. Roux --- School of Child and Adolescent Health, South Africa E. Haschke-Becher --- Central Laboratory, Department of Neurology, AustriaObjectives: The objectives of this study were to evaluate whether infants born to known HIV-positive mothers, but who were not themselves infected with HIV and who were fed a chemically acidified starter formula with prebiotics with or without nucleotides during... -
Factors that influenced mothers and/or caregivers in the Tshwane Metropolitan Municipality, South Africa, to purchase infant formula for their infants
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Mp Tshikovhi --- Nestlé South Africa, Gj Gericke --- Department of Human Nutrition, Faculty of Health Sciences, Pj Becker --- Biostatistics Unit,Objective: The objective of the study was to identify and categorise factors that influence the choice behind the purchase of an infant formula brand by mothers and/or caregivers, and the reasons for their choice. -
Informal distributed leadership in technology adoption
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Patient Rambe --- Department of Business Support Studies, South Africa Dennis Yao Dzansi --- Department of Business Support Studies, South AfricaThis study investigated the role of informal distributed leadership in dealing with the complexities of adopting technology innovation in Higher Education contexts. In the study, in-depth semi-structured interviews and focus group discussions were held with a group of informal leaders... -
Comparison of distance sampling estimates to a known population size of Ant-eating Chats Myrmecocichla formicivora
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ute Stenkewitz --- Icelandic Institute of Natural History, Iceland Eric Herrmann --- 48 Van Riebeeck Street, South AfricaLine-transect sampling was used to obtain abundance estimates of an Ant-eating Chat Myrmecocichla formicivora population to compare these with the true size of the population. The population size was determined by a long-term banding study, and abundance estimates were obtained... -
Common-wide information flow in CDS markets: The case of earnings surprises of industry leaders
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Paulo Pereira da Silva --- CMVM-Portuguese Securities Commission, Rua Laura Alves n.° 4, Lisbon, PortugalThis paper examines the way common-wide information is disseminated in credit default swap (CDS) markets. I find strong supporting evidence that earnings announcements of CDS references with greater liquidity and higher credit risk help in predicting the subsequent CDS spread... -
The Internationalization of African Firms: Effects of Cultural Differences on the Management of Subsidiaries
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Franca Ovadje --- Lagos Business School, Pan Atlantic University, NigeriaThe recent rise in internationalization of African firms has given rise to an interest in studies on internationalization in Africa. This study examines the motives for internationalization of these firms and the role subsidiaries play in the parent company. It... -
Workplace Family Resources and Service Performance: The Mediating Role of Work Engagement
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Samuel Aryee --- King's College London, United Kingdom Fred O. Walumbwa --- Florida International University, United States of America Hazel Gachunga --- Jomo Kenyatta University of Agriculture and Technology, Kenya Chad A. Hartnell --- Georgia State University, United States of AmericaDrawing on the Job Demands-Resources (JD-R) model, this study examined processes through which informal workplace family resources influence service performance. Our findings reveal that family supportive supervisor behavior (FSSB) and perceived organizational family support (POFS) relate to work engagement directly... -
Destructive and Transformational Leadership in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Manfred F. R. Kets de Vries --- INSEAD, France Jennifer C. Sexton --- College of Business and Economics, USA B. Parker Ellen --- D’Amore-McKim School of Business, USAThe continent of Africa presents a unique context of study for leadership scholars. A vast expanse of land encompassing over 50 countries, territories, and states with over 1.1 billion people, Africa’s diversity of ethnicities, cultures, and languages are both sources... -
Remittances, mobile phones and informality: Insights from Cameroon
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Nathanael Ojong --- Department of Business Administration, CanadaResearch on mobile phones abound. However, the use of the mobile phone as an informal value transfer mechanism has received little attention. This paper attempts to fill this lacuna in academic literature by focusing on the ‘why’ and ‘how’ of... -
The influence of transformational leadership on organisational citizenship behaviour in a South African combat military unit
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Oscar Sechudi --- South African Army, South Africa Benny Olivier --- Department of Industrial and Organisational Psychology, South AfricaThis study investigated perceived individual transformational leadership (TL) to influence behaviours on follower organisational citizenship behaviour (OCB) in a South African combat military unit. A sample of 300 of 567 military followers (males = 78%; black Africans = 82%) completed... -
Correlates of illicit drug use among university students in Africa and the Caribbean
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- ASEAN Institute for Health Development, Mahidol University, Thailand Supa Pengpid --- ASEAN Institute for Health Development, Mahidol University, ThailandThe goal of this study was to estimate the prevalence and correlates of illicit drug use (IDU) among university students from eight countries in Africa and three countries in the Caribbean. In a cross-sectional survey, data were collected from 7... -
Degradation of paracetamol and other constituents in Perfalgan®
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Catherine Curran --- Department of Anaesthesia, South AfricaBackground: The manufacturers of Perfalgan®, a formulation of intravenous paracetamol, recommend that each ampoule be used once only. This is most likely due to concerns regarding degradation of paracetamol or other ingredients in the solution, and sterility issues. However, in... -
The meaning of compliance with land and labour legislation: understanding justice through farm workers’ experiences in the Eastern Cape
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Femke Brandt --- Centre for African Studies, South Africa Fani Ncapayi --- Centre for African Studies, South AfricaThis paper explores the social meanings and uses of formal labour legislation on commercial farms in the Eastern Cape. Farm workers’ and dwellers’ experiences expose ongoing land and labour struggles on South Africa’s commercial farms. We focus on the ways... -
Agronomic performance of early segregating generations of rice under salt stress in Niger
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Oumarou Souleymane --- Institut National de la recherche Agronomique du Niger, culture irriguée, Niger Baboucarr Manneh --- Africa Rice Center, Senegal Eric Nartey --- University of Ghana, Ghana Kwadwo Ofori --- University of Ghana, Ghana Eric Danquah --- University of Ghana, GhanaSalinity is a major abiotic constraint that retrains rice production worldwide. The development and release of rice cultivars with improved performance in saline environments is essential to fight against this scourge. Hence this study was carried out to evaluate segregating... -
Endogeneity in CEO power: A survey and experiment
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Frank Li --- Finance, CanadaThe endogeneity problem has always been one, if not the only, obstacle to understanding the true relationship between different aspects of empirical corporate finance. Variables are typically endogenous, instruments are scarce, and causality relations are complicated. As the first attempt... -
Entrepreneurship in Africa: Identifying the Frontier of Impactful Research
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Richard A. Devine --- Florida State University, USA Moses N. Kiggundu --- Carleton University, CanadaThis review summarizes literature covering entrepreneurship research in Africa, examining 121 articles published in prominent entrepreneurship and management journals from 2002 to 2015. To do so, this research organizes the work done along three broad themes describing: the African entrepreneur,... -
The impact of the Eurozone sovereign debt crisis on bond fund performance persistence: Evidence from a small market
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Paulo Leite --- Applied Management Research Unit (UNIAG), Portugal Orlando Faria --- Medicavado Group – Insurance Company, Portugal Manuel Rocha Armada --- NIPE – School of Economics and Management, PortugalWe evaluate the impact of the Eurozone sovereign debt crisis on the performance and performance persistence of a survivorship bias-free sample of bond funds from a small market, identified as one of the most affected by this event, during the... -
Dynamic Tensions from Management Control Systems and Performance in a Sub-Saharan African Economy: Mediating Effects of Competitive Strategy
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Moses Acquaah --- Department of Management, USA Ahmed Agyapong --- Department of Marketing and Corporate Strategy, GhanaThis study examines how the dynamic tension created as a result of the simultaneous and balanced use of controlling and innovative forces of management control systems indirectly influences firm performance through competitive strategy. Using data from 106 firms from Ghana,... -
Performance and emission evaluation of pure biodiesel from non-edible feedstock and waste oil in a diesel engine
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: E. I. Onuh --- Mechanical Discipline, School of Engineering, South Africa Freddie Inambao --- Mechanical Discipline, School of Engineering, South AfricaBiodiesel prepared from Jatropha, Moringa and restaurant waste oil were evaluated in a 3.5 kw diesel engine to determine their performance and pollutant emission. The brake specific (BS) emissions across the full load spectrum were benchmarked against the United States Environmental... -
A machine survival time-based maintenance workforce allocation model for production systems
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: D.E. Ighravwe --- Department of Mechanical Engineering, Nigeria S.A. Oke --- Department of Mechanical Engineering, NigeriaToday’s maintenance workforce operates in a complex business environment and relies on metrics that indirectly link equipment breakdown, fluctuating production rate, demand uncertainties and fluctuating raw material requirements. This has triggered a change in the scope as well as the... -
To what extent are restaurants prepared to respond to the needs of guests with food allergies and intolerances?
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Maxine van Dam --- Stenden Hotel Management School, The Netherlands Lysbet Wiersma --- Stenden Hotel Management School, The NetherlandsThe purpose of this research is to examine the knowledge of restaurants regarding food allergies and intolerances. The main research question is this: to what extent are restaurants prepared to respond to the needs of guests with food allergies and... -
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... -
Brand performance of Chinese domestic vs. international hotels: Perceptions of operators as well as domestic and foreign guests
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Cathy H.C. Hsu --- School of Hotel and Tourism Management, The Hong Kong Polytechnic University,The significant differences in financial performance between internationally branded hotels and domestically branded hotels in China inspired this study. As part of the research, we surveyed hotel operators and guests on their perception of brand performance of the hotel they... -
Hotel quality in the European Capital of Culture: Leeuwarden 2018
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sjoerd Gehrels --- Stenden Academy of International Hospitality Research, The Netherlands Thomas Landen --- , The NetherlandsThis research looks into the experience as perceived in 2014 by hotel guests in 15 bigger Dutch cities. The hotel reviews of Leeuwarden (Capital of Culture 2018) are compared to those of hotels in the other cities to provide an... -
What drives customers to use access-based sharing options in the hospitality industry?
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Can Lu --- Department of Human Sciences, USA Jay Kandampully --- Department of Human Sciences, USAAccess-based sharing businesses have gained popularity in the hospitality industry. The recent shift of customers’ willingness to share accommodation with a host as opposed to using a private hotel room has many implications for the traditional lodging sector. Sharing firms... -
Are social media applications a facilitator or barrier to learning for tourism and hospitality management students?
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Li Li --- Bath Business School, United KingdomThis paper reports an exploratory investigation on the role of social media (SM) in Chinese university students’ learning. Structuration theory was employed as the analytic framework to guide the discussion about the dynamics of the participants’ behaviours and thoughts on... -
Eigenprojections and functions of a square matrix
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Christoph Hamburger --- University of Bonn, GermanyWe present polynomials for the eigenprojections or Frobenius covariants of a matrix A ∈ C n ×n . They allow for a computation of a function of A by a generalization of the Sylvester formula. -
Estimating forest carbon stocks in tropical dry forests of Zimbabwe: exploring the performance of high and medium spatial-resolution multispectral sensors
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Tawanda W Gara --- Department of Geography and Environmental Science, Zimbabwe Amon Murwira --- Department of Geography and Environmental Science, Zimbabwe Timothy Dube --- Discipline of Geography, School of Agricultural, Earth and Environmental Sciences, South Africa Mbulisi Sibanda --- Discipline of Geography, School of Agricultural, Earth and Environmental Sciences, South Africa Donald T Rwasoka --- Faculty of Geo-information Science and Earth Observation, The Netherlands Henry Ndaimani --- Department of Geography and Environmental Science, Zimbabwe Emmerson Chivhenge --- Department of Geography and Environmental Science, Zimbabwe Chipo M Hatendi --- Department of Geography and Environmental Science, ZimbabweEstimation and mapping of forest dendrometric characteristics such as carbon stocks using remote sensing techniques is fundamental for improved understanding of the role of forests in the carbon cycle and climate change. In this study, we tested whether and to... -
Popular Cultural Memory in Chris Abani’s Graceland
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Christopher Ouma --- Department of English, South AfricaThis essay argues that Chris Abani’s Graceland uses popular culture as a project of narrative memory. This project of memory involves the performance of popular expressive cultures across a range of mediated texts — literary and musical — within the... -
Performance evaluation of contractor development programmes in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ambrose D. Dapaah --- Faculty of Engineering and Built Environment, Department of the Quantity Surveying and Construction Management, South Africa Wellington D. Thwala --- Faculty of Engineering and Built Environment, Department of the Quantity Surveying and Construction Management, South Africa Innocent Musonda --- Faculty of Engineering and Built Environment, Department of the Quantity Surveying and Construction Management, South AfricaThe performance of the construction industry in South Africa is supported by its industry players, such as the construction contractors, and cannot be underestimated. The designed Contractor Development Programmes (CDPs) in South Africa are aimed at creating an enabling environment... -
Adolescent experiences of sense of self in the context of family violence in a South African community
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Charlene Petersen --- Cape Peninsula University of Technology, South Africa Herman Grobler --- School for Psycho-Social Behavioural Sciences, Community Psychosocial Research (COMPRES), Faculty of Health Sciences, South Africa Karel Botha --- School for Psycho-Social Behavioural Sciences, Community Psychosocial Research (COMPRES), Faculty of Health Sciences, South AfricaThis study explored the self-identity constructions of South African adolescents with a history of family violence. Twelve school learners were purposively selected for the study (11 females, ages 15-18 years). They completed semi-structured individual interviews. The data were thematically analysed... -
Portfolio performance under reference-day risk
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Marcelo Gonzalez --- Universidad de Chile, Chile Arturo Rodriguez --- Universidad de Chile, Chile Roberto Stein --- College of Business Administration, USAReference-day risk has been previously identified as a type of sampling variation phenomenon, and its effect on the estimation of stock returns and their volatility and market betas has been documented. Using a dataset of daily equity mutual fund returns,... -
The nutritional quality of South African ready-to-eat breakfast cereals
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Nicola Laurelle Wiles --- Dietetics & Human Nutrition, South AfricaBackground: Internationally, ready-to-eat breakfast cereals (RTEBC) make an important contribution to the nutritional intake of children. Significant differences have been found between the nutritional quality of children and non-children’s RTEBC. South Africa has strict legislation regarding the use of nutrition... -
Molecular detection of fungi carried by Bradysia difformis (Sciaridae: Diptera) in South African forestry nurseries
Item type: Journal Article • Journal: Southern Hemisphere Forestry Journal • Authors: BP Hurley B Slippers TA Coutinho BD Wingfield P Govender MJ WingfieldBradysia difformis (Sciaridae: Diptera) has recently been identified from South African forestry nurseries, and is thought to have been introduced into the country. Fungus gnats, including Bradysia spp., are known to transmit various fungal pathogens. It has thus been hypothesised... -
Sense of meaning and academic performance: A brief report
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 sense of meaning and academic performance among a sample of South African university students (n = 210, mean age = 19.49, SD = 1.99, female = 54.29%). Data on meaning were collected using the Purpose in Life... -
HIV/AIDS prevention support resourcing with family and peers: University student perspectives
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Alfred Motalenyane Modise --- Faculty of Education, South AfricaThis study explored how students construct family and peers as resources for their HIV prevention. The participants were 20 education students from a South African technology education university (female = 60%, black = 85%; age range = 18 to 24)... -
South Africa’s pedagogical transformation for participation in the global knowledge economy: Is it a panacea for modern development?
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Tlou Ramoroka --- Department of Development Planning and Management, South Africa Johannes Tsheola --- Department of Development Planning and Management, South Africa Mokoko Sebola --- Department of Public Administration, South AfricaThe advent of computer and Internet technologies has brought continuous and rapid transformations in technology specifically for global and national development purposes. Additionally, computer and the Internet technologies are the basis for so called the ‘e’ phenomenon such as ‘e-communication,... -
All drag, all the time — one night in Cape Town with Lola Fine
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Lindy-Lee Prince --- Institute for Humanities in Africa, South AfricaThis photo essay discusses the ways in which a participant in a research project on the performance of gender embodies and becomes a performance character, as well as the different instantiations this takes in different contexts and situations. The photo... -
On reading about Lola Fine’s night on the town
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Graeme Reid --- Lesbian, Gay, Bisexual and Transgender Rights Programme, USAThis is a commentary on Lindy-Lee Prince’s photographic essay about gender and drag featuring Cape Town performance artist Lola Fine. -
On the Poetics and Politics of the Afar Kassow
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Gidey Alemu Muauz --- Department of Political Sciences, South Africa Mohamed Hassan Saleh --- Research and Study Center of Djibouti (CERD), Djibouti RepublicThe Afar people have a rich poetic tradition pertaining to every aspect of their pastoral way of life in the harsh condition of the Afar desert. One of the many genres of Afar poetics is Afar Kassow the folk’s poetized... -
Optimal grazing management strategies: evaluating key concepts
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Richard WS Fynn --- Okavango Research Institute, University of Botswana, Botswana Kevin P Kirkman --- Grassland Science, South Africa Riaan Dames --- , NamibiaRangeland management strategies must be based on robust ecological and economic concepts if they are to be effective and profitable. Thus, the aim of this paper was to examine concepts related to grazing and resting of grassland and associated effects... -
Predicting site productivity of the timber tree Pterocarpus angolensis
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Vera De Cauwer --- Faculty of Natural Resources and Spatial Sciences, Namibia Esther Fichtler --- Tropical Plant Production and Agricultural Systems Modelling, Department of Crop Sciences, Germany Hans Beeckman --- Service of Wood Biology, Belgium F Patrick Graz --- Faculty of Natural Resources and Spatial Sciences, Namibia Jan Mertens --- Department of Applied Biosciences, Belgium Sam Van Holsbeeck --- Department of Applied Biosciences, Belgium Bart Muys --- Division of Forest, Nature and Landscape, BelgiumPterocarpus angolensis is an important timber tree of the miombo woodlands of sub-Saharan Africa. The species only grows in natural mixed forests and little is known about is productivity potential. This study aimed at investigating productivity of P. angolensis on... -
Do mutual fund flows drive the disposition behaviour of fund managers?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Min-Hsien Chiang --- Institute of International Business, Taiwan Hsin-Yi Huang --- Department of Finance, TaiwanThis study examines the relationship between fund flows and the disposition behaviour of fund managers. During our sample period of 1996–2014, we find that the disposition biases of fund managers are significantly and negatively correlated with unexpected fund flows but... -
Technological appropriability and export performance of Brazilian firms
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Graziela Ferrero Zucoloto --- Institute of Applied Economic Research, Brazil Julio Raffo --- Division Sectorial Studies, World Intellectual Property Organization, Economics and Statistics Division, Switzerland Sergio Leão --- Phd in Economics at Pontificia Universidade Catolica (PUC), BrazilThis paper aims to evaluate the strategies of Brazilian manufacturing firms in their use of intellectual property (IP) and its impact on their export performance. Although the correlation between exports and innovative activities is already consolidated in the existing literature,... -
Informal waste recycling activities: Implications for livelihood and health
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kehinde Oluwaseun Omotoso --- Department of Economics, South AfricaInformal waste recycling activities are fast becoming commonplace in most developing countries. Using South Africa as a case study, this study characterizes informal collection of recyclable waste materials. It also explores the roles of informal collection of recyclable waste materials... -
Discursive hauntings: limits to reinvention for Zimbabwean farm workers after fast-track land reform
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Andrew Hartnack --- Sustainable Livelihoods Foundation, South AfricaScholars of Zimbabwe’s agrarian milieu since the “fast-track land-reform” in 2000 are increasingly suggesting that the label “farm worker” is no longer a relevant or accurate term for referring to former workers now living in resettlement areas. While many former... -
Becoming and unbecoming farm workers in Southern Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Maxim Bolt --- Department of African Studies and Anthropology, United KingdomMore than most forms of employment in Southern Africa, farm work seems to evoke the past. Recent events, however, have foregrounded global integration and cost-cutting casualisation as much as plantation-style racialised hierarchies. Legacies of farmer paternalism, themselves shaped by workers’... -
Making Sense of Africa's Emerging Digital Transformation and its Many Futures
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Bitange Ndemo --- School of Business, Kenya Tim Weiss --- Department of Management Science and Engineering, USADigital technologies have spread across the African continent at an inexorable pace. Widely cited data on adoption rates suggest that digital technologies are making their way into every facet of life in African societies — a broader change process cast... -
Nest-site characteristics and aspects of the breeding biology of the endangered Timneh Parrot Psittacus timneh in Guinea-Bissau
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Daniel C Lopes --- Faculty of Sciences, Portugal Rowan O Martin --- World Parrot Trust, UK Mohamed Henriques --- MARE – Marine and Environmental Sciences Centre, Portugal Hamilton Monteiro --- Coastal Planning Office, Guinea-Bissau Aissa Regalla --- Institute of Biodiversity and Protected Areas, Guinea-Bissau Quintino Tchantchalam --- Institute of Biodiversity and Protected Areas, Guinea-Bissau Bucar Indjai --- INEP – National Institute for Study and Research, Guinea-Bissau Seco Cardoso --- Institute of Biodiversity and Protected Areas, Guinea-Bissau Celestino Manuel --- Institute of Biodiversity and Protected Areas, Guinea-Bissau Manjaco Cunha --- Institute of Biodiversity and Protected Areas, Guinea-Bissau Domingos Cunha --- Institute of Biodiversity and Protected Areas, Guinea-Bissau Paulo Catry --- MARE – Marine and Environmental Sciences Centre, PortugalTimneh Parrots Psittacus timneh are endemic to the moist forests of West Africa. Concerns over rapid declines in populations due to overharvesting for the pet trade and forest loss prompted the species’ categorisation as Endangered on the IUCN Red List... -
Role of reciprocity and innovativeness on performance in a developing context: Empirical evidence from Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Shogo Mlozi --- Department of Tourism, Tanzania Ossi Pesämaa --- Accounting and Control, Sweden Sarah Jack --- Department of Entrepreneurship, Strategy and Innovation, UKGenerally, investors tend to invest when likelihood of success is high. Many investors consider Africa as one market and neglect individual differences among African countries. Africa is mostly considered a high-risk market and conceptually innovativeness involves uncertainty, which precedes risk... -
Investor tax-driven preferences for dividends and share repurchases of listed companies
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Rudie Nel --- School of Accountancy, South AfricaTax reform in South Africa has been extensive since 2011, with the amendment of ‘dividend’ as defined, followed by the introduction of dividends tax and consecutive increases in the applicable tax rates. Extant literature predominantly focuses on periods prior to... -
The winner takes it all: Outperformance drives subsequent flows in South African Unit Trust Funds
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Jennifer Arendse --- Gordon Institute of Business Science, South Africa Chris Muller --- Gordon Institute of Business Science, South Africa Michael Ward --- Gordon Institute of Business Science, South AfricaThe relationship between unit trust (mutual fund) performance and subsequent investment flows into and out of funds has been the focus of many international studies. Emerging markets, which are characterised by higher risk, weaker institutions, volatile economies and fewer participants,... -
Does institutional monitoring matter? Evidence from insider trading by information risk level
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Chune Young Chung --- School of Business Administration, Republic of Korea Sanggyu Kang --- School of Business Administration, Republic of Korea Doojin Ryu --- Department of Economics, Republic of KoreaWe examine the effects of institutional ownership on insider exploitation of asymmetric information. Because institutional investors monitor firm activities in order to improve the corporate information environment, such monitoring could decrease the intensity of insider trading on private information. We... -
The performance of European SRI funds investing in bonds and their comparison to conventional funds
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Paulo Leite --- Applied Management Research Unit (UNIAG), Portugal Maria Céu Cortez --- NIPE – School of Economics and Management, PortugalThis paper evaluates the performance of European SRI fixed-income funds domiciled in France and in Germany compared to characteristics-matched conventional funds. Fund performance is evaluated by means of conditional multi-factor models that allow for both time-varying risk and performance. The... -
What should I tell my patient? Disclosure in anaesthesiology: difficulties, requirements, guidelines and suggestions
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Malcolm de Roubaix --- Centre for Applied Ethics, Department of Philosophy, South AfricaSouth African anaesthesiologists have embraced the requirement for authentic informed consent, but there is no consensus regarding the comprehensiveness and specificity requirements with regard to the information that needs to be supplied to the patient, and upon which decisions will... -
Grit and academic performance among first-year university students: A brief report
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 grit and academic performance among a sample of South African university students (n = 121, mean age = 19.55, SD = 1.77, female = 57.85%). Data were collected using the Grit Scale and academic performance was assessed... -
Psychometric validation of an Organisational Performance Questionnaire (OPQ) based on the Burke-Litwin model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Benny Olivier --- University of South Africa, South AfricaThis study reports the findings on the development and validation of an Organisational Performance Questionnaire (OPQ) based on the Burke-Litwin model. Respondents were 398 employees from various public and private sector organisations in South Africa, consisting of different genders (male... -
What effects do student jobs have on the study performance, competency and career development of hospitality management students
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Annemarie Geerlink --- Hotel Management School, The Netherlands Conrad Lashley --- Hotel Management School, The NetherlandsThis research examines the effects student jobs have on the study performance, and the competency and career development of hospitality management students. A 13-item survey was administered to a sample of 82 hospitality management students to see how they think... -
Anaesthetic challenges in a patient with Klippel–Feil syndrome scheduled for panendoscopy and biopsy
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: A Chitnis --- Department of Anaesthesia and Intensive Care Medicine, United Kingdom KO Enohumah --- Department of Anaesthesia and Intensive Care Medicine, United KingdomKlippel–Feil syndrome is one of the congenital causes of difficult airway. It is characterised by a classic triad of a short neck, restricted cervical spine movement, and a low posterior hairline, which can pose a significant challenge to the anaesthetist... -
Performance effects of international knowledge transfer: A panel analysis of human mobility between knowledge environments
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Sebastian G.M. Händschke --- Department of Business Administration and Economics, Chair of Organization, Leadership and HRM, Germany Raluca Kerekes --- Department of Business Administration and Economics, Chair of Organization, Leadership and HRM, Germany Peter Walgenbach --- Department of Business Administration and Economics, Chair of Organization, Leadership and HRM, GermanyIn this paper, we build on the argument that knowledge transfer is a source for competitive advantage. We test the proposition whether knowledge transfer from knowledge-rich to knowledge-indigent environments leads to better performance. Empirically, we test the performance effects of... -
Assessment of noise-levels of generator-sets in seven cities of South-Southern Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Osagie Ibhadode --- Building Research Department, Nigeria I. T. Tenebe --- Department of Civil Engineering, Nigeria P. C. Emenike --- Department of Civil Engineering, Nigeria O. S. Adesina --- Dept. of Mathematical Science, Nigeria A. F. Okougha --- Science Laboratory Technology Research Department, Nigeria F. O. Aitanke --- Department of Production Engineering, NigeriaNoise pollution has been shown to be a global health hazard and this could be aggravated by the use of noise-emitting generators. Therefore, this study aims to determine the Sound Pressure Levels Sound Power Levels as well as Noisiness of... -
Effect of positive organizational behaviour (POB) characteristics on construction employees’ turnover in Uyo City of Akwa Ibom State, Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Amaka Chinweude Ogwueleka --- Department of Quantity Surveying, Nigeria Stanley Nnamdi Ogbonna --- Department of Quantity Surveying, NigeriaLow turnover of skilled construction employees is paramount to any construction organization in order to boost high rate of skilled and talented workers. The global shortage of skilled workers within the construction industry provides the need to investigate factors that... -
A productivity model for first thinning of Pinus patula using a tractor and double-drum winch in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Thabo Moloi --- Forest Postgraduate Programme, South Africa Michal Brink --- Forest Postgraduate Programme, South Africa Paxie W Chirwa --- Forest Postgraduate Programme, South Africa Elisha Ngulube --- Department of Forestry, MalawiThe productivity of skidding tractors in intermediate harvesting operations has not been determined in Mpumalanga, South Africa. The objective of this study was to develop a productivity model using a farm tractor in first thinning operations in Pinus patula compartments... -
Community reintegrating former child soldiers in Northern Uganda: A qualitative study on the road to recovery
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: James M. Van Leeuwen --- Global Livingston Institute, USA Laurie Miller --- Cornell Institute for Public Affairs, USA Maira Zamir --- Cornell Institute for Public Affairs, USA Ryan Grundy --- Global Livingston Institute, USA Jerry Amanya --- Global Livingston Institute, USA Clifford Chen --- Cornell Institute for Public Affairs, USA Michael Feinberg --- Africa Program, Woodrow Wilson International Center for Scholars, USAThis study aimed to profile the qualities of a holistic community reintegration program for former child soldiers (FCS) in the Lira region of Northern Uganda. Informants were a convenience sample of 37 FCS (age range 17 to 34, mean age... -
Institutional investment management: An investor's perspective on the relation between turnover and performance
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Diego Víctor de Mingo-López --- Department of Finance and Accounting, Spain Juan Carlos Matallín-Sáez --- Department of Finance and Accounting, SpainThe main aim of this study is to analyse the relationship between turnover and performance in institutional investment management. For a sample of US equity mutual funds during the period January 1999–December 2014, we show that high-turnover funds do not... -
A Decision Tree and Naïve Bayes algorithm for income tax prediction
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: G. V. Mabe-Madisa --- Department of Decision Sciences, South AfricaOne of the concerns regarding the tax collection system is incorrect case selection. Manual selection of audit cases by auditors (whose role is to detect individual cases of tax non-compliance) based on their expert knowledge of the taxpayers’ behaviour, cannot... -
Construction of L stable second derivative trigonometrically fitted block backward differentiation formula for the solution of oscillatory initial value problems
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: R.I. Abdulganiy --- Department of Mathematics, Nigeria O.A. Akinfenwa --- Department of Mathematics, Nigeria S.A. Okunuga --- Department of Mathematics, NigeriaA second derivative trigonometrically fitted block backward differentiation formula (SDTFBBDF) based on the collocation technique is proposed in this paper. The method is specifically considered for the numerical solution of oscillatory problems. The SDTFBBDF which has one main method and... -
Liquidity and the convergence to market efficiency
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Nicara Young --- School of Economic and Business Sciences, South Africa Christo Auret --- School of Economic and Business Sciences, South AfricaThe aim of this study is to investigate the relationship between market liquidity changes on the Johannesburg Stock Exchange (JSE) and the market’s degree of efficiency. Market efficiency is characterised in terms of two philosophies: Fama’s (1970) Efficient Markets Hypothesis... -
Networking dimensions and performance of event management ventures in Kenya
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Jacqueline Cheptepkeny Korir --- School of Tourism Hospitality and Events Management, KenyaThe role of networking in the sharing of knowledge and information is well documented. What is not clear, however, are the facets of networks that best drive firm performance, and whether or not the nature of business is a factor... -
Conducting anthropological fieldwork in northern Ghana: emerging ethical dilemmas
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Saibu Mutaru --- Department of Sociology and Social Anthropology, South AfricaThis paper discusses two ethical dilemmas that I encountered when doing fieldwork on so-called witch camps in northern Ghana, places of protection under the auspices of an earth priest or chief for women who have been accused of witchcraft and... -
Job demands and resources: Flourishing and job performance in South African universities of technology settings
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Christine Janse van Rensburg --- Human Resource Management, South Africa Sebastiaan Rothmann --- Optentia, North-West University, South Africa Elsabé Diedericks --- Optentia, North-West University, South AfricaWe investigated the extent to which perceived job demands and resources influenced work-related flourishing and job performance among academic staff in South African universities of technology. Participants were 339 lecturers from three universities of technology (female = 53.8%; junior lecturers... -
Knowledge and quality-management activities’ influences on technology communication and innovation with African foreign investment experience
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bong-ihn Seok --- Commercialisation Planning Team, South Korea Man-pil Han --- Department of Business Administration, South Korea Joon-ho Kim --- Department of Business Administration, South KoreaWe examined how psychic distance moderates the association of South Korean chief executive officers’ (CEOs’) knowledge and quality management with their predisposition to invest in African technology and innovation markets. Participants were current and prospective South Korean African business investment... -
An overview of pedogenesis in Technosols in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Angelique Daniell --- Unit for Environmental Science and Management, South Africa Pieter W van Deventer --- Unit for Environmental Science and Management, South AfricaTechnosols are soils dominant in technical artifacts, formed from anthropogenic deposits or transported materials. While anthropogenic in origin, it is clear that pedogenic processes are active within Technosols, i.e. transformation and translocation of elements, minerals and particles within these materials... -
Emotional intelligence influences on the work performance of early career academics: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mathew Marembo --- Department of Industrial Psychology, South Africa Willie Tafadzwa Chinyamurindi --- Department of Industrial Psychology, South Africa Themba Mjoli --- Department of Industrial Psychology, South AfricaWe aimed to investigate emotional intelligence (EI) influences on the work performance of early career academic (ECA) staff. Participants were 220 early career academic staff at a rural South African university (female = 56.8%, 77.7% aged between 20 and 40... -
Using deliberative foresight to envision a neo-carbon energy innovation ecosystem – a case study of Kenya
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Joni Karjalainen --- Finland Futures Research Centre (FFRC), Finland Sirkka Heinonen --- Finland Futures Research Centre (FFRC), FinlandForesight is a pragmatic futures studies approach as structured debate about future-related topics. Deliberative foresight addresses stakeholders affected by specific futures. This paper goes beyond a low-carbon strategy to present the potential of futures based on renewable energy. In the... -
Managing in the Informal Economy: The Informal Financial Sector in Tanzania
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Peter C. Mhando --- 315 Business Building, Risk Management Department, Smeal College of Business, USATo a certain extent, the informal economy flourishes by filling the gap left by formal institutions. This is most vividly illustrated where practical management of informal financial service delivery rests on the need for such as a means to an... -
Religious Beliefs and Entrepreneurial Behaviors in Africa: A Case Study of the Informal Sector in Uganda
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Rebecca Namatovu --- Makerere University Business School, Uganda Samuel Dawa --- Makerere University Business School, Uganda Adeyinka Adewale --- Henley Business School, University of Reading, UK Fiona Mulira --- Makerere University Business School, UgandaReligion plays a major role in Africa’s polity and its influence on the business landscape of the continent has been acknowledged in literature. This study contributes to the discourse by investigating and explaining how religious beliefs shape entrepreneurial behaviors in... -
Female Faces in Informal ‘Spaces’: Women and Artisanal and Small-scale Mining in sub-Saharan Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Gavin Hilson --- Surrey Business School, United Kingdom Abigail Hilson --- School of Management, Royal Holloway, United Kingdom Agatha Siwale --- , Roy Maconachie --- Centre for Development Studies, United KingdomThis paper critically examines how women employed in artisanal and small-scale mining (ASM) – low-tech mineral extraction and processing – in sub-Saharan Africa could be affected by moves made to formalize and support their activities under the Africa Mining Vision... -
The BRIC and African Countries’ Informal Economies: Differences, Similarities and Some General Observations
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Aareni Ammal Uruthirapathy --- School of Business, Trent University, Canada Moses N. Kiggundu --- Sprott School of Business, Carleton University, CanadaThis study examines whether African countries can learn from the experiences of BRIC countries that have informal economies. Our analysis revealed that some characteristics of the informal economy are common in both the BRIC and the select African group. The... -
Structure and Management of Formal and Informal Business Activities in Entrepreneurial Family and Small Firms in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Moses N. Kiggundu --- Sprott School of Business, Carleton University, Canada Siva P. Pal --- Sprott School of Business, Carleton University, CanadaThis article focuses on the meso-micro levels of entrepreneurial family-owned and small firms operating in Africa’s informal economy. It examines how these firms manage formal and informal business activities, and how entrepreneurs manage business risks associated with market imperfections. After... -
The Informal Economy in pan-Africa: Review of the Literature, Themes, Questions, and Directions for Management Research
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Katia M. Galdino --- Georgia Southern University, USA Moses N. Kiggundu --- Sprott School of Business, Canada Carla D. Jones --- Sam Houston State University, USA Sangbum Ro --- University of Tampa, USAThe informal economy is an important phenomenon in African countries, accounting for up to 90% of the jobs in the lowest income Sub-Saharan countries such as Central African Republic and the Democratic Republic of the Congo. Management research about Africa,... -
A model for addressing parallelism of systems in the management of data: The Namibian case
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Irja Shaanika --- Department of Information Technology, South Africa Monica Maletzky --- Department of Information Technology, South Africa Tiko Iyamu --- Department of Information Technology, South AfricaAs in many countries, the volume of data that has been generated by the Namibian government administrations and agencies in recent years has increased drastically in rapidity. Consequently, this has led to difficulties and challenges in the control and management... -
Impact of information technology on innovation in determining firm performance
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Indiran Poobalan Naidoo --- Graduate School of Business and Leadership, University of KwaZulu-Natal, South Africa Muhammad Hoque --- Graduate School of Business and Leadership, University of KwaZulu-Natal, South AfricaThe aim of this study is to investigate the strategic relevance of Information Technology (IT). The study used resource-based theory to test if IT was a competitive resource, by examining the role it played between the constructs of innovation capability... -
A privacy management framework for personal electronic health records
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Floyd Els --- Department of Information Systems, University of Fort Hare, South Africa Liezel Cilliers --- Department of Information Systems, University of Fort Hare, South AfricaPersonal electronic health records (PEHRs) can be used by patients to manage their health and lifestyle better. PEHRs can provide a more efficient communication channel between the patient and healthcare provider; reduce medical errors and enhance the monitoring of patients... -
Personality and adjustment in South African higher education accounting studies
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Elmarie Papageorgiou --- , South Africa Chris William Callaghan --- , South AfricaThis study seeks to investigate the contribution of individual personality differences to diverse aspects of accounting student adjustment to university in the context of a South African university. In a context in which many have but one opportunity to access... -
Executive performance evaluation and remuneration: Disclosure and practices of selected listed South African companies (2002−2015)
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Nadia Mans-Kemp --- , South Africa Suzette Viviers --- , South AfricaGiven growing inequality in South Africa, shareholders are increasingly questioning the size and composition of executive remuneration packages. They are also demanding greater transparency on the criteria and processes used to award performance incentives. The researchers hence investigated the extent... -
Communities’ perceptions of benefit-sharing mechanisms for forest-based land reform models in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ratsodo Phillip Tshidzumba --- Forest Science Postgraduate Programme, Department of Plant and Soil Sciences, Faculty of Natural and Agricultural Sciences, South Africa Paxie W Chirwa --- Forest Science Postgraduate Programme, Department of Plant and Soil Sciences, Faculty of Natural and Agricultural Sciences, South Africa Folaranmi D Babalola --- Forest Science Postgraduate Programme, Department of Plant and Soil Sciences, Faculty of Natural and Agricultural Sciences, South AfricaOne of the dominant challenges facing the South African forestry sector is the issue of land restitution. The aim of this study was, therefore, to assess the perception of beneficiaries of benefit-sharing modalities for forest-based land reform initiatives in their... -
Anaesthetists’ knowledge of South African Law pertaining to informed consent in an academic centre
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: A Mamoojee --- Department of Anaesthesia, South Africa A Alli --- Department of Anaesthesia, South AfricaBackground: Anaesthetists require knowledge of informed consent laws to mitigate the risk of litigation. The knowledge of South African anaesthetists regarding informed consent law is unknown. -
An automated framework for business enterprise performance evaluation
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: C. O. Anyaeche --- Department of Industrial and Production Engineering, Nigeria D. E. Ighravwe --- Department of Mechanical Engineering, NigeriaThe evaluation of the performance of business enterprises has continued to pose challenges to business managers. Many approaches have been developed to address this problem, but most have been either input or output oriented, while some focus on specific tasks... -
The composition of the soil seedbank and its role in ecosystem dynamics and rehabilitation potential in the arid Tankwa Karoo Region, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Manam WB Saaed --- Higher Institute of Agricultural Techniques, Libya Shayne M Jacobs --- Department of Conservation Ecology and Entomology, South Africa Mmoto L Masubelele --- Cape Research Centre, South Africa Igshaan Samuels --- Agricultural Research Council–Animal Production, c/o Department of Biodiversity and Conservation Biology, South Africa Lesego Khomo --- Department of Environmental Sciences, South Africa Yacoub M El-Barasi --- Botany Department, Faculty of Science, LibyaVery few soil seedbank studies have been conducted in South Africa, especially in arid rangelands. Insight into the soil seedbank could therefore improve assessment of rangeland dynamics and enhance rehabilitation efforts. This study aimed to characterise the soil seedbanks in... -
Institutional Risk and Firm Performance in Africa: The Moderating Role of Corruption Control
Item type: Journal Article • Journal: Africa Journal of Management • Authors: David B. Zoogah --- Williams College of Business, USAHow does institutional risk influence firm performance in Africa? While most studies focus on formal institutional risk, I argue that informal institutional risks are equally influential. Consistent with that view I use informal institutions theory and multilevel techniques to analyze... -
Use of Animal Information and Trait Preferences for Making Breeding Decisions on Smallholder Dairy Farms
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: B. K. Bett --- Ministry of Agriculture, Kenya B. O. Bebe --- Department of Animal Science, KenyaSmallholder dairy farmers aim to maximize the proportion of potentially high milk yielding dairy genotypes in their herds as a breeding strategy to increase milk production for home consumption and cash income. This study describes how farmers aiming at attaining... -
Quantification of sorgoleone in sorghum accessions from eight southern African countries
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Handsen Tibugari --- Department of Agronomy, Faculty of Science and Agriculture, South Africa Cornelius Chiduza --- Department of Agronomy, Faculty of Science and Agriculture, South Africa Arnold B Mashingaidze --- Department of Crop Science and Post-Harvest Technology, School of Agricultural Sciences and Technology, Zimbabwe Stanford Mabasa --- Department of Crop Science, Faculty of Agriculture, ZimbabweAllelopathic effects of sorghum (Sorghum bicolor (L.) Moench) can ease weed pressure and improve grain yields if cultivars capable of producing high levels of natural chemicals effective in suppressing weeds of economic importance are identified. Three hundred and fifty three... -
Nutrient status of sandy soils in smallholder areas of Zimbabwe and the need to develop site-specific fertiliser recommendations for sustainable crop intensification
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Gabriel Soropa --- Department of Environmental Sciences and Technology, Zimbabwe Justice Nyamangara --- Department of Environmental Sciences and Technology, Zimbabwe Ermson Z Nyakatawa --- Department of Crop Science and Post Harvest Technology, ZimbabweSustainable crop intensification in sub-Saharan Africa cannot be achieved if farmers cultivate inherently infertile soils that are deficient in key essential nutrients, such as nitrogen and phosphorus. Most smallholder farmers in sub-Saharan Africa are resource-constrained and apply suboptimal fertiliser amounts,... -
Timing information, SEC enforcement intensity and illegal insider trading
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Han-Ching Huang --- Department of Finance, TaiwanThis paper explores the difference between illegal insider trading around scheduled and unscheduled corporate announcements. Moreover, this paper also examines whether the underlying option has impacted on trading patterns of illegal insider trading around corporate announcements. I find that the... -
Investigating the informal mode of financing utilized for construction financing in Somalia: Some evidence
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mohamed Ibrahim Nor --- Faculty of Management Sciences, Somalia Tajul Ariffin Masron --- School of Management, MalaysiaIntermediation is the main objective of any financial industry. While financing services are provided by formal financial institutions in the advanced world, financing services are provided differently in emerging economies. Hence, various alternative modes of financing are used in these... -
Exploring technological adaptation in the informal economy: A case study of innovations in small and medium enterprises (SMEs) in Zimbabwe
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Tarisai Kudakwashe Manyati --- College of Economic and Management Sciences, South Africa Morgen Mutsau --- Centre for Applied Social Sciences, ZimbabweLittle attention has been given to the processes and factors that facilitate technological adaptation by informal innovators operating in small and medium enterprises in Zimbabwe. This article sought to establish how and why technological adaptation occurs in the informal economy... -
Differences in the neurocognitive profiles of professional and semi-professional male South African rugby union players
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ankebé Kruger --- Community Psychosocial Research (COMPRES), South Africa Kobus Du Plooy --- Community Psychosocial Research (COMPRES), South Africa Pieter Kruger --- Community Psychosocial Research (COMPRES), South AfricaThis study investigated possible cognitive functioning profile differences between professional and semi-professional rugby players. Seventy-nine male rugby union players (professional = 55, semi-professional = 24; age range = 19–37 years) participated in the study. The players completed a battery of... -
Restorative effects of awe on negative affect after receiving negative performance feedback
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Cynthia Atamba --- Department of Business Administration, ChinaThe present study investigated the discrete positive effects of awe on negative job affect (NJA) arising from receiving negative performance feedback from a work supervisor or a co-worker. The participants were 131 business professionals and students at a large university... -
Growth and biomass partitioning of nine provenances of Quillaja saponaria seedlings to water stress
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Carlos Magni --- Departamento de Silvicultura, Facultad de Ciencias Forestales y de la Conservación de la Naturaleza, Chile Sergio Espinoza --- Centro de Desarrollo para el Secano Interior, Facultad de Ciencias Agrarias y Forestales, Chile Paola Poch --- Departamento de Silvicultura, Facultad de Ciencias Forestales y de la Conservación de la Naturaleza, Chile Betsabé Abarca --- Departamento de Silvicultura, Facultad de Ciencias Forestales y de la Conservación de la Naturaleza, Chile Iván Grez --- Departamento de Silvicultura, Facultad de Ciencias Forestales y de la Conservación de la Naturaleza, Chile Eduardo Martínez --- Departamento de Silvicultura, Facultad de Ciencias Forestales y de la Conservación de la Naturaleza, Chile Marco Yáñez --- Núcleo Científico Multidisciplinario, Chile Rómulo Santelices --- Centro de Desarrollo para el Secano Interior, Facultad de Ciencias Agrarias y Forestales, Chile Antonio Cabrera --- Centro de Desarrollo para el Secano Interior, Facultad de Ciencias Agrarias y Forestales, ChileInformation on the morphological and physiological responses of seedlings to stressors, such as water stress, is required for successful early establishment of seedlings. We examined provenance variation in morphological and physiological traits of Quillaja saponaria Molina seeds from nine provenances... -
Architectures of visibility and invisibility: a reflection on the secret affinities of Johannesburg’s cross-border shopping hub
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Tanya Zack --- School of Architecture and Planning, Thireshen Govender --- Graduate School of Architecture, South AfricaThe inner city of Johannesburg, South Africa, is the site of an intense wholesale and retail trade in fast fashion. Here mostly migrant entrepreneurs supply billions of rand worth of Chinese apparel to local and cross-border shoppers from across sub-Saharan... -
Architecture-by-migrants: the porous infrastructures of Bellville
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Huda Tayob --- The Bartlett School of Architecture, United KingdomThis paper takes as its subject a series of contingent mixed-use urban markets that have been established in Cape Town, South Africa, by migrants, refugees and asylum seekers from various parts of the African continent. It argues that migrant spaces... -
Layering mobilities: charting place-making through performance in Johannesburg’s inner-city suburbia
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Alex Halligey --- South African Research Chair in Spatial Analysis and City Planning, Wits School of Architecture and Planning, South AfricaDrawing together Tim Cresswell’s work on mobilities with Walter Benjamin’s Arcades Project, this article considers the Johannesburg suburbs of Bertrams, Lorentzville and Judith’s Paarl as produced and reinvented through the mobilities of their inhabitants. How might an artistic performance foreground... -
What can multi-sited and digital ethnography contribute to innovation studies in the global South?
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Marcela Suarez --- Lateinamerika-Institut, GermanyInnovation studies research is at the forefront of recent theoretical and interdisciplinary debates. However, it also faces at least three methodological challenges, namely: the need for empirical strategies to analyze inclusive innovations, the need to conduct symmetrical cutting-edge research in... -
Undervaluation of informal sector innovations: Making a case for revisiting methodology
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Fayaz Ahmad Sheikh --- Centre for Studies in Science Policy, IndiaThe informal economy is emerging as a new normal. It is distinctively pervasive both in the Global South and the North. Of late, scholarship in development economics has captured its knowledge component. Yet, the focus of innovation studies is exclusively... -
Relative Performance of West African Dwarf Goats fed Panicum maximum Supplemented with Raw or Processed Rubber Seed Meal
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: MD Udo --- Akwa Ibom State University, Nigeria FO Ahamefule --- Michael Okpara University of Agriculture, Nigeria JA Ibeawuchi --- Michael Okpara University of Agriculture, Nigeria JS Ekpo --- Akwa Ibom State University, NigeriaSixteen weaner WAD goats were used in 56-day feeding trial to determine their relative performance when fed with groundnut cake or raw or processed rubber seed (RS) meal. The raw or processed (boiled and toasted) RS were dried and milled... -
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... -
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... -
Organisational culture moderation of interpersonal trust and affective commitment in health care non-governmental organisations in Ghana
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ramous Agyare --- Business School, China Ge Yuhui --- Business School, China Eugene Abrokwah --- Business School, China James Agyei --- Business School, ChinaThis study examined the moderating effect of organisational culture (OC) moderation on the relationship between interpersonal trust (IT; trust in management and trust in peers) and employees’ affective commitment (AC). Participants were 295 employees of non-governmental organisations (NGOs) in Ghana... -
Personality profiling of South African rugby union players
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ankebé Kruger --- Physical Activity, Sport and Recreation (PhASRec), South Africa Kobus Du Plooy --- Institute of Psychology & Wellbeing (IPW), North-West University, South Africa Pieter Kruger --- Institute of Psychology & Wellbeing (IPW), North-West University, South AfricaThis study aimed to investigate whether differences exist in the personality profiles of professional and semi-professional rugby union players. Participants were 73 male rugby players, 52 professional players and 21 semi-professional players. All participants completed the NEO Five-Factor Personality Inventory... -
Exploring the audit capabilities expectation-performance gap of newly employed first-year trainee accountants in Gauteng: Audit managers at large firms’ perceptions
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Rolien Kunz --- Department of Economic and Management Sciences, South Africa Herman de Jager --- Department of Economic and Management Sciences, South AfricaThe objective of this paper is to determine the relative size of the expectation-performance gap of technical auditing and assurance knowledge of newly employed first-year trainee accountants. In a study dealing with the expectation-performance gap in accounting education it was... -
An effective learning culture: Using high performance work systems to strengthen the relationship between communities of practice and knowledge creation in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Florence Nansubuga --- School of Psychology, Makerere University, Uganda John C Munene --- School of Psychology, Makerere University, Uganda Julius Kikooma --- School of Psychology, Makerere University, Uganda Joyce Nansamba --- School of Psychology, Makerere University, Uganda Khamis Musanje --- School of Psychology, Makerere University, UgandaThis paper sought to demonstrate how communities of practice can coalesce with high performance work systems to develop an Africanized learning culture that promotes interaction among employees and empowers them to create innovative knowledge for competitive performance. A total of... -
Leadership for high performance in local councils in Cameroon and Nigeria: Examining deviant and concordant practices to the philosophy of Ubuntu
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Joseph Ebot Eyong --- Faculty of Business and Law, People, Organization and Work Institute (POWI), UKEmerging from indigenous communities in South Africa, Ubuntu has been heralded as a context-resonant approach to leadership practice befitting the African socio-cultural and institutional environment. Ubuntu privileges moral and humanistic consideration premised on collective endeavor and people-oriented preferences. These are... -
The effect of innovation practices on agribusiness performance: A structural equation modelling (SEM) approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Evans Brako Ntiamoah --- College of Management, People’s Republic of China Dongmei Li --- College of Management, People’s Republic of China Daniel Bruce Sarpong --- Department of Agricultural Economics and Agribusiness,This study investigates how innovation practices including product, process, marketing and organizational innovation affect agribusiness performance such as innovative, production, marketing and financial performance in Ghanaian agribusiness companies. Data were collected through survey questionnaires from 1526 respondents mainly from inputs... -
Agulhas long-billed lark (Certhilauda brevirostris) densities, population estimates and habitat association in a transformed landscape
Item type: Journal Article • Journal: African Zoology • Authors: Celeste de Kock --- Department of Continuing Education, United Kingdom Alan TK Lee --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South AfricaThe effects of agricultural landscape transformation and subsequent habitat associations have been little studied for the Agulhas long-billed lark (Certhilauda brevirostris), a regionally threatened species in the Overberg, Western Cape, South Africa. Point count surveys were conducted throughout the Overberg... -
Minimum corporate website disclosure levels and information asymmetry: Evidence from Johannesburg Stock Exchange small-cap companies
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: George Nel --- School of Accountancy, Stellenbosch University, South Africa Roelof Baard --- School of Accountancy, Stellenbosch University, South AfricaThe use of corporate websites as communication medium may contribute to good governance and specifically transparency as one of the basic principles of governance, mitigating the effect of the agency problem. The primary objective of this study was to ascertain... -
Tax research methodology for untested legislation: An exemplar for the tax scholar
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Teresa M. Pidduck --- Department of Taxation, South AfricaTax scholars using typical doctrinal and reform-oriented methodologies often struggle to articulate the process undertaken in their research and at the same time, these methods often require an analysis of legislation that has already been the subject of judicial inquiry... -
Progress in diabetes care in the KwaZulu-Natal public health sector: a decade of analysis
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: N Sahadew --- Clinical and Professional Practice, Nelson R Mandela School of Medicine, South Africa VS Singaram --- Clinical and Professional Practice, Nelson R Mandela School of Medicine, South AfricaAims: This study analysed diabetes-related information routinely collected by the KwaZulu-Natal (KZN) Department of Health (DOH). -
Improving the quality of clinical training in the workplace: implementing formative assessment visits
Item type: Journal Article • Journal: South African Family Practice • Authors: Robert Mash --- Division of Family Medicine and Primary Care, South Africa Zelra Malan --- Division of Family Medicine and Primary Care, South Africa Julia Blitz --- Division of Family Medicine and Primary Care, South Africa Jill Edwards --- Division of Family Medicine and Primary Care, South AfricaFamily physicians have a key role to play in strengthening district health services in South Africa. There are a number of barriers to the supply of these specialists in family medicine, one of which is the quality of workplace-based training... -
Smallholder group dynamics and capacity building: A case study of dairy groups in Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Stella Nabwile Makokha --- Kenya Agricultural and Livestock Research Organization, Biotechnology Centre Research Institute-Kabete, Kenya David Yongo --- Livestock Production, Ministry of Agriculture, Livestock and Fisheries, State Department of Livestock, Kenya Martin Mwirigi --- Kenya Agricultural and Livestock Research Organization, Biotechnology Centre Research Institute-Kabete, Kenya Dave Nyongesa --- Kenya Agricultural and Livestock Research Organization, Biotechnology Centre Research Institute-Kabete, KenyaSmallholder farmer groups increase market access and reduce transaction costs, but many challenges reduce their performance. A study on how group dynamics and capacity building influence group performance was conducted in Meru, Tharaka Nithi and Uasin Gishu Counties in 2013... -
The social and technical conditions enabling innovations in information infrastructures: A case study from public health in Tanzania
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Masoud Hussein Mahundi --- Department of Computer Science and Engineering, Tanzania Petter Nielsen --- Department of Informatics, Norway Honest Kimaro --- Department of Computer Science and Engineering, TanzaniaOne of the hallmark characteristics of information infrastructures is their gradual evolution to adapt to changes in technologies and requirements from diverse user groups. Evolution manifests through innovations on and within infrastructures as they respond to the changes. These innovations,... -
Supervisor developmental feedback and employee performance: The roles of feedback-seeking and political skill
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Weilin Su --- School of Labor and Human Resources, China Bei Lyu --- Chinese Graduate School, Thailand Yanjun Liu --- School of Labor and Human Resources, China Hui Chen --- Chinese Graduate School, Thailand Jiayu Fan --- School of International Education, ChinaThe present study investigated the positive influence of supervisor developmental feedback on employee performance through feedback-seeking, as well as the moderating role of political skill. Employees (n = 327, females = 59.6%) of a high-tech company completed measures of supervisor... -
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 =... -
A dialogue on the informal economy in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Tiara Nicole Dungy --- Lilly School of Philanthropy, USA Hermann Achidi Ndofor --- Kelley School of Business, USAAlthough ubiquitous, very little is generalizable about the informal economy. This is especially the case within Africa wherein the informal economy also intersects with the indigenous economy. The diversity of papers in the special issue (AJOM, Volume 4 Issue 3)... -
New land, old claims and the politics of belonging during a changing agrarian situation in central Zimbabwe
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Grasian Mkodzongi --- Tropical Africa Land and Natural Resources Research Institute, ZimbabweThis article examines the way discourses of autochthony and belonging were deployed by various groups of people to make claims over land during the implementation of Zimbabwe’s Fast Track Land Reform Programme (FTLRP) in 2000. Although the FTLRP was not... -
Livelihoods fragility and land tenure in the post-fast track land reform era in Upper Guruve, Zimbabwe
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Hardlife S. Basure --- Sociology and Social Anthropology, Zimbabwe Josiah Taru --- Sociology and Social Anthropology, Zimbabwe Gumisai T. Mutangi --- Sociology and Social Anthropology, ZimbabweThis paper seeks to document the experiences of and challenges experienced by farmers resettled according to the communal/villagised model of resettlement in Upper Guruve district in Zimbabwe. The paper is based on long-term ethnographic fieldwork conducted from 2009 to 2017... -
“Reproducing the social”: contradictory interconnections between land, cattle production and household relations in the Besters Land Reform Project, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Donna Hornby --- Institute for Poverty, Land and Agrarian Studies, South Africa Ben Cousins --- Institute for Poverty, Land and Agrarian Studies, South AfricaLand redistribution policy in South Africa emphasises commercial farming as the legitimate use of land. This production-oriented framework fails to take into account the intertwined but unstable relationship between the production of market value and social reproduction, and how this... -
Centring ordinary people: grounded approaches to land reform in Southern Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Maano Ramutsindela --- Environmental and Geographical Science, South Africa Andrew Hartnack --- Independent researcher and evaluation specialist, South AfricaThis introduction to the timely special issue of Anthropology Southern Africa examines land reform in the region, offering ethnographic perspectives on a subject often dominated by economists, lawyers and journalists. It points to the need for grounded approaches that go... -
“There is life in this place”: “DIY formalisation,” buoyant life and citizenship in Marikana informal settlement, Potchefstroom, South Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Hestia Victor --- Department of Social Anthropology, South AfricaTheir shack settlement labelled “too informal” to receive basic service provision, the residents of Marikana informal settlement, in Potchefstroom, North West province, South Africa, planned and executed what was locally referred to as “DIY formalisation” in order to politically appeal... -
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... -
Online Performance of Swahili Orature: The Need for a New Category?
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Angelus Mnenuka --- University of Dar es Salaam, TanzaniaThis paper discusses the concept of the online performance of oral literature. The central argument advanced in this discussion arises out of the contemporary categorisation of literature, notably the distinction between oral and written literature based on their forms of... -
Eutrophication of Ethiopian water bodies: a serious threat to water quality, biodiversity and public health
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: T Fetahi --- Aquatic Ecology, EthiopiaFreshwater ecosystems provide several ecological and economic services. However, these ecosystems in Ethiopia are deteriorating, because of economic growth, unwise use and pollution (eutrophication). This paper reviews existing trends of eutrophication in Ethiopian water bodies, identifies principal sources of nutrient... -
Analysis of marketing efficiency of processed sardine products of Lake Victoria: Case of Tanzania
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Josephine Joseph Mkunda --- School of Business Studies and Humanities (BUSH), Department of Innovation, Technology Management & Entrepreneurship, Tanzania Jesper Lassen --- Department of Food Resource Economics, Denmark Bukaza Chachage --- Department of Leadership and Governance, Tanzania Lughano J.M. Kusiluka --- Mzumbe University, Tanzania Liliane Pasape --- School of Business Studies and Humanities (BUSH), Department of Innovation, Technology Management & Entrepreneurship, TanzaniaThe paper tested the marketing efficiency of Lake Victoria processed sardines using structure-performance and efficient-structure hypotheses and the influence of socioeconomic characteristics on marketing efficiency. Primary data was collected using structured questionnaires from randomly selected 249 respondents. The conceptual framework... -
HeartMath approach to self-regulation and psychosocial well-being
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jorina Elbers --- HeartMath Research Center, USA Rollin McCraty --- HeartMath Research Center, USAThe ability to alter one’s emotional responses is central to overall well-being and effectively meeting the demands of life. In this article, we discuss the perspective that one’s ability to self-regulate the quality of feeling and emotion of one’s moment-to-moment... -
Inflammatory activity and academic performance in university students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bianca Lee Thomas (neé Negrao) --- Department of Human Anatomy and Physiology, South Africa Priyesh Bipath --- Department of Physiology, School of Medicine, South Africa Margaretha Viljoen --- Department of Psychiatry, School of Medicine, South AfricaThis study aimed to assess inflammatory levels in first year university students and to determine whether associations exist between pro-inflammatory biomarker levels and academic performance. Inflammatory activity was assessed by urinary neopterin-to-creatinine ratios in 180 students attending a large South... -
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 =... -
Transformational leadership and management safety practices: Their role in the relationship between work pressure and compliance with safety work behaviour in a health-care sector industry
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Fabian O. Ugwu --- Department of Psychology, Nigeria Adeline N. Idike --- Department of Political Science, Nigeria Okechukwu E. Ibiam --- Department of Political Science, Nigeria Francis A. Akwara --- Department of Political Science, Nigeria Cornelius O. Okorie --- Department of Political Science, NigeriaThis study examined both the direct and interactive effects on employee compliance to safety work behaviour of perceived work pressure, transformational leadership behaviour, and organisation management safety practices. Study participants were 208 nurses from public hospitals in South-eastern, Nigeria. The... -
Does the choice of fund performance measure matter?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Christopher Adcock --- School of Finance and Management, UK Nelson Areal --- NIPE Research Centre, School of Economics and Management, Portugal Maria Céu Cortez --- NIPE Research Centre, School of Economics and Management, Portugal Benilde Oliveira --- School of Economics and Management, Portugal Florinda Silva --- NIPE Research Centre, School of Economics and Management, PortugalThis paper investigates whether investment strategies using rankings based on different portfolio performance measures lead to different future abnormal returns. A set of 13 commonly used risk-adjusted performance measures is applied to a dataset of US equity mutual funds over... -
Reflections and refractions on Sakai/Moodle learning management system in developing countries: A case of Ghanaian universities’ demand and supply perspective analyses
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Moses Kumi Asamoah --- Department of Theology and Education, Central University, GhanaTechnological advancement has revolutionized teaching and learning in the twenty-first century. However, the full benefits are yet to be realized and clearly understood due to user experience data paucity, especially in developing countries. This study delves into the issue from... -
Ethnographic evidence versus theoretical models: reminiscences and reflections on a linear proletarianisation model for Southern Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Andrew D. Spiegel --- , South AfricaConceptualising what was seen as the proletarianisation of Southern Africa’s working people was a significant analytical preoccupation of the social sciences in the 1970s. Considering that the region’s political economy was dependent on migrant labour, anthropologists and others sought to... -
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 =... -
Psychosocial factors impacting the college adjustment of undergraduate students: A scoping review
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Thelma Fennie --- Psychology Department, South Africa Yolanda Mayman --- Psychology Department, South Africa Chanel van Louw --- Psychology Department, South Africa Ebruphiyo Useh --- Psychology Department, South Africa Matapelo Kombora --- Psychology Department, South AfricaThis scoping review explores the emerging evidence on psychosocial factors that influence the adjustment and academic performance of undergraduate students. For the identification of pertinent studies, we searched the following electronic databases: EbschoHost, ERIC, ScienceDirect and Sabinet. Our inclusion criteria... -
Mapping subtidal estuarine habitats with a remotely operated underwater vehicle (ROV)
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Wasserman --- Botany Department, DST/NRF Research Chair in Shallow Water Ecosystems, South Africa L Claassens --- Department of Zoology and Entomology, South Africa JB Adams --- Botany Department, DST/NRF Research Chair in Shallow Water Ecosystems, South AfricaSubtidal habitats have not yet been accounted for in habitat maps of South African estuaries. In this study, a novel method for mapping subtidal estuarine habitats, using a remotely operated underwater vehicle (ROV) piloted from a boat, was developed and... -
Vulnerability, institutional arrangements and the adaptation choices made by farmers in the Western Cape province of South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sanne Raaijmakers --- Fagelstraat 75-HS, the Netherlands Pieter A Swanepoel --- Department of Agronomy, South AfricaFrom 2015 to 2018, South Africa suffered from the worst drought since 1904. Climate change is predicted to increase both the frequency and intensity of droughts in parts of South Africa. In this light it is evident that agricultural systems... -
Comparative methods for predicting cyanide pollution in artisanal small-scale gold mining catchment by using logistic regression and kriging with GIS
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: L. C. Razanamahandry --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina Faso P. M. Digbeu --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina Faso H. A. Andrianisa --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina Faso H. Karoui --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina Faso J. Podgorski --- Swiss Federal Institute of Aquatic Science and Technology (EAWAG), Switzerland E. Manikandan --- UNESCO-UNISA Africa Chair in Nanoscience’s/Nanotechnology Laboratories (U2AC2N), College of Graduate Studies, South Africa M. Maaza --- UNESCO-UNISA Africa Chair in Nanoscience’s/Nanotechnology Laboratories (U2AC2N), College of Graduate Studies, South Africa H. Yacouba --- International Institute for Water and Environmental Engineering (2iE), Department of Water and Sanitary Engineering, Laboratory of Water, Burkina FasoIt has been reported that persistent cyanide pollution occurs in artisanal small-scale gold mining (ASGM) catchment areas in Burkina Faso. In the present study, logistic regression (LR) and Regression Kriging (RK) methods were applied to predict cyanide pollution hazard at... -
Supporting innovation through a multi-level platforms approach: A case study of the South African fresh fruit industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Richmore Dondofema --- , South Africa Sara S. (Saartjie) Grobbelaar --- , South AfricaAgricultural innovation platforms have become recognized as a key mechanism through which to stimulate innovation for inclusive development (I4ID) by serving as a space for agricultural stakeholders to engage, and to develop and diffuse agricultural innovations. This study investigates how... -
Tatamkhulu Afrika, Queer Heroism, Triangulated Forms
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Michelle Decker --- , USATatamkhulu Afrika, lauded writer and South African activist, over the course of his life suffered imprisonments under the Nazis and the apartheid state; he also changed his name five times and won almost every literary award in South Africa. Afrika’s... -
Financial slack, method of payment and acquirer performance: The case of cross-border acquisitions into Africa
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Chimwemwe Chipeta --- , South Africa Prince Nkiwane --- , South AfricaThis paper examines the influence of financial slack on the method of payment and financial performance of acquirers targeting African firms. Using panel data estimation techniques and controlling for, inter alia, firm and deal specific factors, we find no evidence... -
Bank sensitivity to international regulatory reform: The case of Korea
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Doojin Ryu --- , Republic of Korea Robert I. Webb --- , United States of America Jinyoung Yu --- , Republic of KoreaThis study examines the reaction of Korean banks’ procyclical behaviour to the adoption of the Basel III accord, which imposes a global capital framework on banks, and the sensitivity of Korean banks’ reactions depending on their capital structures prior to... -
Transformational leadership and core self-evaluation: The roles of psychological well-being and supervisor-subordinate guanxi
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: He Ding --- , China Enhai Yu --- , China Yanbin Li --- , ChinaCore self-evaluation (CSE) is malleable. However, little is known about leadership qualities for facilitating CSE. This study investigated the mediating role of psychological well-being (PWB) on the relationship between transformational leadership and CSE with supervisor-subordinate guanxi (SSG) or non-work social... -
Measuring language usage in hospitality situations
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Leanne Schreurs --- , The NetherlandsIn this study, language usage in hospitality situations is measured. To this end, a corpus of utterances taken from a Colombian Spanish novel is quantitatively analysed. As a starting point of the analysis, it is illustrated that different modes of... -
The effect of planting density on the stem form of Pinus patula trees
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: RA Charlton --- , South Africa Z Naghizadeh --- , South Africa A Kunneke --- , South Africa CB Wessels --- , South AfricaIn this study the effect of planting density on the stem form of Pinus patula trees was investigated. Four different spacing treatments of 403, 1 097, 1 808, and 2 981 stems per hectare (spha), and four stem form properties... -
Informal sector entrepreneurship, individual entrepreneurial orientation and the emergence of entrepreneurial leadership
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Mazanai Musara --- School of Development Studies, University of Mpumalanga, South Africa Cecile Nieuwenhuizen --- Business Management, University of Johannesburg, College of Business and Economics, South AfricaThe informal economy plays an integral role in addressing the socio-economic issues facing many nations around the world. Informal sector entrepreneurship activities contribute 10–20% of the GDP in developed economies and up to 60% in developing economies. In South Africa,... -
Trends in populations of Blue Crane Anthropoides paradiseus in agricultural landscapes of Western Cape, South Africa, as measured by road counts
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Donella J Young --- , South Africa James A Harrison --- , South AfricaPopulation trends of the Blue Crane Anthropoides paradiseus were monitored by volunteers participating in Coordinated Avifaunal Roadcounts (CAR) in the Overberg and Swartland agricultural regions of the Western Cape province from 1993 and 1996, respectively, until 2019 in the Overberg... -
Performing Urban Social Realities in Contemporary Kenya: A Reading of episodes of Vioja Mahakamani
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Violet Nasambu Barasa --- , KenyaThis article examines class dynamics in Kenya’s urban cities using television theatre episodes that dramatise the interaction between marginalised and privileged citizens. In the main, the analysis in the article focuses on selected Kenya Broadcasting Corporation (KBC) television theatre texts... -
Observations of Southern Ground-Hornbill Bucorvus leadbeateri groups in the Kafue National Park, Zambia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Jonah Gula --- , United States Chaona G Phiri --- , United KingdomZambia represents a core part of the Southern Ground-Hornbill’s Bucorvus leadbeateri distribution, yet empirical information on the country’s population is scant. From February to September 2017, ground-hornbill sightings were recorded in Kafue National Park in western Zambia to describe population... -
Consequences of consumer engagement on the performance of e-commerce firms in Ghana: Moderating effects of consumer-owned resources
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Isaac Owusu Asante --- , China Jiaming Fang --- , China Dennis Fiifi Darko --- , ChinaWe examined the financial consequences of consumer engagement on firms’ performance and how consumer-owned resources moderate the relationship. We collected data on consumer engagement attitudes, consumer-owned resources, and firms’ performance from customers and management of the top online shopping firms... -
Information acquisition and adoption of conservation agriculture by smallholder farmers in South-West Nigeria: Recursive bivariate probit estimation
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Seyi Olalekan Olawuyi --- , South Africa Abbyssinia Mushunje --- , South AfricaThe persistent use of traditional farming practices and cultivation of low yielding variety of crops on scattered small farmland holdings by agrarian farming households in Nigeria has put pressure on land and water resources, consequently leading to depletion of soil... -
Open development and scaling-up of clustered enterprises in Nigeria’s informal sector
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluseye Oladayo Jegede --- , South AfricaThis study outlined how the microenterprises overcome numerous challenges common to start-up through ‘open development’ characterized by collective sharing of knowledge, tools, equipment and workforce amongst competing microenterprises, and belonging to trade/professional associations that ensure that knowledge becomes a public... -
Anatomical, physiological and allometric contrasts of the Cerrado tree Dalbergia miscolobium in full sun and shade environments
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ane Marcela das Chagas Mendonça --- , Brazil Jean Marcel Sousa Lira --- , Brazil Marcelo Rodrigues --- , Brazil Vanessa da Fontoura Custódio Monteiro --- , Brazil Edson Simão --- , Brazil João Paulo Rodrigues Alves Delfino Barbosa --- , BrazilThe Brazilian Cerrado is a mosaic comprised of different vegetation formations and consequently, different environmental conditions. Tree density modifies the availability of light and affects species distribution. Thus, seedlings of species with a broad distribution should show contrasting anatomical, morphological,... -
Improving the forecasts of commercial timber volume in transition forest in the northern Brazilian Amazon
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Robson B de Lima --- , Brazil Rinaldo LC Ferreira --- , Brazil José AA da Silva --- , Brazil Marcelino C Guedes --- , Brazil Jadson C de Abreu --- , Brazil Cinthia P de Oliveira --- , Brazil Robson C Lima --- , Brazil Diego AS da Silva --- , Brazil Renan M Santos --- , Brazil Erik PF Carvalho --- , Brazil Robson M de Araújo Silva --- , BrazilThe commercial volume in tropical forests is fundamental to the implementation of sustainable forest management plans. However, in the absence of local or generic volumetric equations, most forest managers and forest services are still using traditional form factors (FF) to... -
The influence of manual and motor-manual pitting implements, pit size and quality on eucalypt performance, South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ullrich Hechter --- , South Africa Keith M Little --- , South Africa Louis Titshall --- , South AfricaPitting is the preparation of a planting position. Various methods of pitting exist and range from manual pitting to fully-mechanised operations. Until recently, most pit preparation in South Africa was carried out manually using hand-held pitting implements (agricultural hoe, mattock,... -
Teratological cases of the ocular patterns in the South African endemic trapdoor spider genus Stasimopus Simon (1892) (Araneae, Mygalomorphae, Stasimopidae)
Item type: Journal Article • Journal: African Zoology • Authors: Shannon Mitchell --- , South Africa Catherine Sole --- , South Africa Robin Lyle --- , South AfricaTeratology is the science that deals with the causes and patterns of deformities, abnormalities and defects in the physical development of animals. Teratological occurrences can be due to genetic or environmental conditions. Ocular teratologies are common in hypogean spiders. This... -
Enhancing ICT for productivity in sub-Saharan Africa: Thresholds for complementary policies
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Simplice A. Asongu --- , Paul N. Acha-Anyi --- , South AfricaThe purpose of this research is to investigate the relevance of enhancing information and communication technology (ICT) on dynamics of total factor productivity (TFP) in 25 sub-Saharan African countries using data covering the period 1980–2014. The empirical evidence is based... -
Supply chain management and organizational performance: Evidence from SMEs in South Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Welby V. Loury Okoumba --- , South Africa Chengedzai Mafini --- , South Africa Joyendu Bhadury --- , USAThe salutary impact of adopting supply chain management best practices (SCMBPs) on organizations is well documented. However, similar studies on small and medium enterprises (SMEs), especially in underdeveloped/developing economies are relatively scant in the extant literature. This is despite the... -
Evaluation of agribusiness performance in Nigeria
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Chukwuma Otum Ume --- , Germany Anslem Anibueze Enete --- , Nigeria Anthony Nwajesus Onyekuru --- , Patience Ifeyinwa Opata --- , NigeriaIn Nigeria, agribusiness has a major role to play in the transformation of the agricultural sector. Little is known about the key performance indicators relevant to the agribusiness sector. This article employed the latest World Bank Enterprise Survey data to... -
Social capital and performance of SMEs: The role of entrepreneurial orientation and managerial capability
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Suzzie Owiredua Aidoo --- , Ghana Ahmed Agyapong --- , Ghana Henry Kofi Mensah --- , GhanaThis study proposes and investigates the argument that social capital–performance link is mediated by entrepreneurial orientation (EO) and that this mediated relationship is dependent upon the level of managerial capability (MC) present in a firm. The study uses a sample... -
Students motives for choosing between an individual test or a group assignment
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Roobin Dijkstra --- , the Netherlands Wichard Zwaal --- , the NetherlandsTwo studies were conducted to determine students’ motives for choosing between an individual test or a group assignment. The first study used a 20-item questionnaire to investigate the motivational profile of 139 hotel school students. Results showed that students with... -
The new soil classification system in South Africa, its history, important changes made and implications for users
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: George van Zijl --- , South Africa Dave Turner --- , South Africa Garry Paterson --- , South Africa Jaco Koch --- , South Africa Johan van Tol --- , South Africa Kurt Barichievy --- , South Africa Cathy Clarke --- , South Africa Martiens du Plessis --- , South Africa Piet van Deventer --- ,The board of the Soil Science Society of South Africa endorsed the “Soil Classification: A Natural and Anthropogenic System for South Africa”, in 2020 making it the official soil classification system to be used in South Africa. This classification system,... -
Improving SMEs’ performance using innovative knowledge and financial system designed from the Moroccan business environment
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Hicham Rachidi --- , Morocco Mohammed El Mohajir --- , MoroccoInformation and communication technologies are considered real vectors of corporate performance. However, their adoption by small and medium sized organizations is hampered by unreported or unknown obstacles. As part of a new approach, and rather than opting for a purely... -
Effects of egg shell meal on the performance and haematology of layers and their egg quality
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Uchele Okpanachi --- , Nigeria Khalid Aliyu Yusuf --- , Nigeria Maryann Kehinde Ikubaje --- , Nigeria Gift Cincin Amaje Okpanachi --- , NigeriaIn an attempt to achieve Sustainable Development Goals numbers one and two, eggshell meal was incorporated into layers diets to replace bone meal. Seventy-two point of lay birds were utilized in a nine-week experiment. Four experimental diets were formulated consisting... -
Does perceived chess skills mediate the relationship between fluid intelligence and academic performance?
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Qiyang Gao --- , People’s Republic of China Yayi Feng --- , People’s Republic of China Wei Chen --- , People’s Republic of China Xianjie Ping --- , People’s Republic of ChinaWe analysed the association between chess skills and academic performance in primary school students. Additionally, we tested the potential mediating effect of fluid intelligence on this association. The sample consisted of 255 primary school students (48.2% girls), aged between 10... -
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... -
Measuring the asymmetry level around quarterly reports in the Dow Jones, Nasdaq, and Standard & Poor’s: Before and during the COVID-19 pandemic
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Jaime González Maiz Jiménez --- , Mexico Adán Reyes Santiago --- , Mexico Francisco López-Herrera --- , MexicoThis study tests investors’ asymmetry level around the quarterly reports of 47 shares from 2010 to the second quarter of 2020. This asymmetry level was determined by analysing three measures: the Corwin and Schultz’s (2012) spread level, residual sum of... -
Business management education in the African context of (post-)Covid-19: Applying a proximity framework
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Sherwat E. Ibrahim --- , Egypt Alan F. Fowler --- , South Africa Moses N. Kiggundu --- , CanadaWhat happens when Covid-19 meets Africa? To find answers, this article examines tertiary management education delivered by the continent’s business schools in the context of Africa’s susceptibilities to the pandemic. The concept of proximity is applied as an axiomatic analytic... -
The impact of Covid-19 on gold and gemstone artisanal and small-scale mining in sub-Saharan Africa: The case of Ghana and Kenya
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Judy N. Muthuri --- , United Kingdom Aditya Jain --- , United Kingdom Arthur A. O. Ndegwa --- , Kenya Shadrack Mwakio Mwagandi --- , Kenya Naa Dedei Tagoe --- , GhanaArtisanal and small-scale miners are facing unprecedented challenges due to the novel coronavirus (Covid-19) pandemic. The paper adopts a practice-based approach to examine the impact of Covid-19 on gold and gemstone artisanal and small-scale mining (ASM) practices in sub-Saharan Africa... -
The performance implications of strategic responses of SMEs to the covid-19 pandemic: Evidence from an African economy
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Suzzie Owiredua Aidoo --- , Ghana Ahmed Agyapong --- , Ghana Moses Acquaah --- , USA Samuel Yaw Akomea --- , GhanaHow does the use of adaptive resilience (perseverance and retrenchment) as a strategic response influence the performance of SMEs during catastrophic events such as the COVID-19 pandemic? This study examines how adaptive resilience in the form of perseverance and retrenchment... -
Sturdiness and scuffle in deploying educational technologies for teaching and learning in a low-technology context: Students’ experience in a developing society
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Moses Kumi Asamoah --- , GhanaThis paper explores the experience of a sample of thirty post-graduate students of University of Ghana, Legon regarding the use of Sakai Learning Management System (LMS) in enhancing students’ interactions with instructors, peers, course contents and in enabling flexible and... -
Body and world: The correlation between the virtual and the actual through phenomenological reflections via Merleau-Ponty and Deleuze
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Irene Breuer --- , GermanyThe current article deals with the correlation between virtual and physical reality as they concern the body. The thesis of this article is that the lived body transposed into virtual reality becomes a body without organs in Deleuze’s terms, i.e... -
The association between EBITDA reconciliation quality and opportunistic disclosure
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Mattheus Theodorus Mey --- , South Africa Christiaan Lamprecht --- , South AfricaPurpose: This paper investigated the potential opportunistic disclosure of ‘earnings before interest, tax, depreciation and amortisation’ (EBITDA) by analysing the association between the quality of EBITDA reconciliations and factors associated with opportunistic disclosure. -
Academic attitude and subjective norms effects on international doctoral students’ academic performance self-perceptions: A moderated-mediation analysis of the influences of knowledge- seeking intentions and supervisor support
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Waqas Khuram --- , China Yanqing Wang --- , China Salim Khan --- , China Aisha Khalid --- , ChinaThis study aimed to examine the relationship between international students’ academic attitude and subjective norms on the one hand, and academic self-perception on the other hand in the context of student’s perception of their knowledge- seeking intention and supervisor support... -
Exploring the antecedents of entrepreneurship success in information technology firms in Nigeria
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Akinyele Okeremi --- , Nigeria Kwasi Amoako-Gyampah --- , USA Livingstone Divine Caesar --- , SwitzerlandWe examine four antecedents of IT entrepreneurship success in Nigeria. Particularly, two of the investigated antecedents are general human capital factors (i.e., having experience with entrepreneurial parents and business training) and the other two (IT education and spirituality) are specific... -
Enhancing competitiveness of Zimbabwe’s cotton production under contract farming
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Jackqeline Mutambara --- , Harare, Zimbabwe Kingstone Mujeyi --- , Harare, ZimbabweThis study was designed to assess the competitiveness of cotton production by smallholder farmers under contract farming in Zimbabwe and propose strategies for enhancing sector performance. Data were collected from secondary sources, key informant interviews and focus group discussions (FGDs)... -
Evaluating the influencing factors responsible for construction contractors’ opportunism in a developing economy
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Matthew Ikuabe --- , South Africa Ayodeji Oke --- , South Africa Clinton Aigbavboa --- , South AfricaConstruction is a very competitive business which often experiences situations in which contractors deploy various schemes to rake in financial proceeds unduly, particularly when the risks encountered do not turn out as favourably as envisaged at inception. This exposes the... -
Factors that limit the development, prototyping and adoption of informal innovations in Zimbabwe: Lessons for policymakers
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Tarisai Kudakwashe Manyati --- , South Africa Morgen Mutsau --- , ZimbabweThis study explored the obstacles that informal innovators encounter in product development, prototyping, commercialization and adoption of informal innovations in Zimbabwe. Altogether 20 informal innovators were purposively selected, interviewed and observed. Key findings are that the lack of knowledge of... -
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... -
Can social norms motivate Thermomix® users to eat sustainably?
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Clara Amend --- , The Netherlands Elena Cavagnaro --- , The NetherlandsModern food systems, but especially animal farming, are found to be the leading driver of global climate change, accounting for 30% of the world’s greenhouse gas emissions. Simultaneously, diets high in animal proteins cause serious health issues worldwide, including premature... -
Re-imagining and transforming events: Insights from the Australian events industry
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Effie Steriopoulos --- , Australia Jeff Wrathall --- , AustraliaOver the past year, COVID-19 has hit the events industry with unprecedented force, resulting in event cancellations, reduced employment and salary cuts, with most event organisations moving either partially or fully to virtual events. Most challenging is the uncertainty in... -
An exploratory study into the establishment of agricultural innovation platforms to improve agricultural efficiency in Hwedza district, Zimbabwe
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Innocent T. Mahiya --- , South AfricaAfrica has suffered a series of challenges around food insecurities which are partly explained by inefficient agricultural systems. The agricultural innovation platforms have been popularized in Africa and Zimbabwe in particular as part of the answer to the many agricultural... -
Analysis of farmers’ food price volatility and Nigeria’s growth enhancement support scheme
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Joseph I. Uduji --- , Nigeria Elda Nduka Okolo-Obasi --- , Nigeria Simplice Anutechia Asongu --- , CameroonFood prices in Nigeria have become significantly higher and more volatile since 2012. The purpose of this research was to find out what affects farmers’ participation in the growth enhancement support scheme (GESS) in the country. We determined the effect... -
Innovation activities of informal micro-enterprises in Gauteng, South Africa: A systematic review of the literature
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Lavhelesani Mulibana --- , Republic of South Africa Ravinder Rena --- , Republic of South AfricaThe literature revealed that 70–80% of South African small businesses, including informal micro-enterprises, fail in the first year of their existence. Innovation has been recognized as a catalyst that can enhance informal micro-enterprises’ probabilities to survive and transform them from... -
Moderating effect of supply chain complexity in governance mechanisms and operational performance relationship: Evidence from a sub-Saharan African market
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Emmanuel Kwabena Anin --- , Ghana Nathaniel Boso --- , Ghana David Asamoah --- , GhanaThis study draws on the tenets of transaction cost economics to examine the moderating effect of supply chain complexity on the relationship between formal control and social control mechanisms, and operational performance. The study argues that under conditions of increased... -
How interfirm governance mechanisms and capabilities determine supply chain responsiveness in small businesses: Evidence from an African market
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Dominic Essuman --- , Ghana David Asamoah --- , Ghana Emmanuel Kwabena Anin --- , GhanaThis paper examines whether supply chain capabilities (i.e., collaboration and coordination) mediate the relationships between interfirm governance mechanisms (i.e., formal control and social control) and supply chain responsiveness in the context of small businesses. Using survey data from 331 small... -
Grade 12 performance and academic performance in first-year psychology students: Influences of generational status and academic self-concept
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lené Groenewald --- , South Africa Luzelle Naudé --- , South Africa Karel Esterhuyse --- , South AfricaWe examined the relationship between students’ Grade 12 achievement and their first-year academic performance and the potential moderating and/or mediating roles of generational status and academic self-concept in this relationship. Participants were 203 students (female = 82.8%; black African =73.9%;... -
Network Novel: Ngũgĩ wa Thiongo’s Wizard of the Crow and Dialogues in African Literature
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Charles Kipng’eno Rono --- , KenyaThis essay reads Ngũgĩ wa Thiongo’s Wizard of the Crow (2006) as an intervention in the ongoing dialogues in African literature. Through the paradigms of ‘reciprocality’, ‘extensibility’ and ‘reconfigurability’, the essay gauges the impacts of dialoguing on the readings of... -
Vitamin B12 deficiency in patients with diabetes at a specialised diabetes clinic, Botswana
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: L Kwape --- , Botswana C Ocampo --- , Botswana A Oyekunle --- , Botswana JC Mwita --- , Botswana -
Investigating information technology skills retention challenges in South Africa’s public sector
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Rene W. Albertus --- , South Africa Desiree Hamman-Fisher --- , South AfricaSouth Africa’s democracy in 1994 triggered the promotion of socio-economic development in the public sector, with specific emphasis on improving infrastructure and bridging the information Technology (IT) skills gap. In this paper, the factors that influence the retention of competent... -
Wood volume estimation strategies for trees from a Dry Forest/Savannah transition area in Piauí, Brazil
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Lailla Sabrina Queiroz Nazareno --- , Brazil Andressa Ribeiro --- , Brazil Mylla Vyctória Coutinho Sousa --- , Brazil Cynthia Wanick Vieira --- , Brazil Antonio Carlos Ferraz Filho --- , BrazilPrediction of aboveground wood volume is one of most important stages when conducting a forest inventory and making forest management decisions. This is more difficult for native forest than for plantations given the high variability of the former (trees of... -
An innovation intermediary for Nairobi, Kenya: Designing student-centric services for university-industry collaboration
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mikko Koria --- , United Kingdom Roberto Hinojosa Osorno --- , Mexico Ida Telalbasic --- , United Kingdom Delia del Carmen Ramírez Vázquez --- , Mexico Emmy Chirchir --- , KenyaEngaging students as partners in university-industry collaboration (UIC) through challenge-based and real-life projects creates significant value for all participants through novel educational approaches, talent recruitment, user-driven innovation, new resources, and research-related opportunities. However, as these practices have developed iteratively over... -
The contribution of participatory engagement strategies to reliable data gathering and inclusive policies in developing countries: Municipal solid waste management data in the Greater Accra Metropolitan Area of Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kwaku Oduro-Appiah --- , Cape Coast, Ghana Anne Scheinberg --- , the Netherlands Abraham Afful --- , Cape Coast, Ghana Nanne de Vries --- , the NetherlandsThe absence of participatory engagement strategies in the collection of solid waste management data in most developing countries affects reliability and deprives professional staff and local authorities of any clear basis for system modernization. This article addresses these challenges in... -
An evaluation of the legislative and policy response of tax authorities to the digitalisation of the economy
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Helena Strauss [cor1] Danie Schutte --- , South Africa Tyson Fawcett --- , AustraliaTax administration and reform within the digitalised economy is an ongoing global debate. In the study, the global tax response to various elements introduced by the digitalisation of the economy is synthesised, analysed and evaluated. The study is set apart... -
Importance of detailed soil surveys for Conservation Agriculture
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: JL Schoeman --- , E Verster --- , HB Booyens --- , MJ du Plessis --- ,This paper explores the role that detailed soil surveys can play in Conservation Agriculture (CA). While it is widely acknowledged that CA practices have to be adapted to local conditions, it appears as if in-field physical soil and hydrological properties,... -
‘The Vibe is Really Important’: Experiencing Hip-hop and Performance Poetry in Dar es Salaam
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Nikitta Dede Adjirakor --- , GermanyIn the city of Dar es Salaam, hip-hop and performance poetry events are a vibrant, visible presence. Research into this phenomenon has generally explored its relation to historical, economic, social or political contexts. Such approaches are only ever rarely concerned... -
The interactions of a Chinese MNE with local institutions in sub-Sahara Africa and the implications for workforce management in the subsidiary
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Julius Nyiawung --- , Republic of IrelandThe unique nature of China’s interactions with Africa has been professed to respond better to the continent’s developmental and labor needs than the colonial and post-colonial engagements with Western countries. This has also been an impetus to the calls for... -
Teacher-humour types and college students’ academic performance in online teaching: The mediating role of academic interest
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Runfeng Luo --- , China Qiqi Zhan --- , ChinaWe investigated the relationship between teacher-humour types and academic performance in online learning and the role of student academic interest in that relationship. Our study participants were 2 401 college students from 22 universities across China (female =68.1 %, mean... -
Emergence, adherence and proliferation of industry level standards: A case study of Aligarh padlock industry, India
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Shekhar Jain --- , IndiaIndustry in developing nations has not attracted much attention from standard theorists. One of the reasons is that developing countries are considered ‘standard takers.’ As a result, the limited scholarship on standards in the context of developing countries largely remains... -
Earnings informativeness in the Brazilian market: the influence of dividends and financial constraints
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Rodrigo Simonassi Scalzer --- , Brazil Ana Carolina Santos Souza --- , BrazilThis study addresses the informativeness of accounting earnings in Brazil by analysing the impact of distributed dividends and the existence of financial constraints. Panel data regression with fixed effects and quantile regression estimated that the dividend informativeness in Brazil and... -
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 role of external information sources in organizational innovation in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: David Adeyeye --- , Nigeria Adekemi Oluwadare --- , Nigeria Omolayo Oluwatope --- , NigeriaTraditionally, the focus of strategic management studies has been on technological innovation. However, recent studies have shown rising importance of non-technological innovation to firms’ productivity, especially in developing country contexts. One limitation in empirical firm innovation analyses this study attempts... -
Smart specialisation strategies in sub-Saharan Africa: Opportunities, challenges and initial mapping for Côte d’Ivoire
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mafini Dosso --- , Spain Alexander Kleibrink --- , Spain Monika Matusiak --- , SpainThis paper calls for a better integration of place-based, evidence-based and inclusive dimensions in the implementation of the Science, Technology and Innovation (STI) plans and industrial policies in sub-Saharan Africa. To this end, the analysis contrasts with and takes inspiration... -
An empirical study on challenges to the adoption of the Internet of Things in the Nigerian construction industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ayodeji Emmanuel Oke --- , Nigeria Victor Adetunji Arowoiya --- , Nigeria Olumide Temitope Akomolafe --- , NigeriaInternet of Things is a model in which computing and networking abilities are inserted into any sort of possible object. These abilities are utilized to inquire about the condition of the object and to change its state if feasible. This... -
Identification of technical factors that influence sugar productivity of factories in Sudan
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Tageldeen S. Ibrahim --- , South Africa Tilahun S. Workneh --- , South AfricaThis study was conducted to identify the factors influencing the productivity of the sugar industry in Sudan. The study involved collecting data from selected sugar mill databases, namely, the Kenana, Guneid, Halfa, Sinnar, Assalaya and White-Nile sugar mills. The data... -
Business organisation performance behaviour indicators in Ghana and Kenya: A comparative analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Solomon Abugre Anafo --- , China Yixiang Tian --- , China Bright Nana Kwame Ahia --- , ChinaWe examined business organisation performance indicators across two African countries (Ghana and Kenya) with diverse and volatile economic variables. Utilising secondary data from 2007 to 2017, we applied fixed-effect panel regression to predict profitability indicators from business operations. Our findings... -
Innovation in the informal sector: The case of plastic recycling firms in Mexico
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: René Rivera-Huerta --- , Mexico Nidia López-Lira --- , MexicoBeyond job creation, informal economic activities have received little recognition for their contribution to economic systems. However, in recent years, new research trends have suggested that enterprises in the informal sector have productivity potential that can be encouraged through technological... -
The influence of academic engagement on academic performance of university accounting students in Ghana
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Nana Adwoa Anokye Effah --- , China Agyeiwaa Owusu Nkwantabisa --- , ChinaAn essential component of every university’s desired outcome is producing successful students with advanced academic and cognitive learning skills. However, this goal might be compromised and, in some extreme cases, not attained due to circumstances encountered in the university education... -
Could transformational leadership predict employee voice behaviour? Evidence from a meta-analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Guolong Zhao --- , China Yuxiang Luan --- , ChinaEmployee voice behaviour is a crucial form of social capital for business organisations. This meta-analysis aimed to clarify the relationship between transformational leadership and voice behaviour. A meta-analysis of 44 correlations (n = 14 473) was conducted to evaluate the overall association,... -
High-commitment human resource (HR) practices’ influence on harmonious passion for work and affective commitment in a non-governmental organisation (NGO) setting in Ghana
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ramous Agyare --- , China Ge Yuhui --- , China Zipporah Aidoo --- , GhanaThis study examined high-commitment human resource (HR) practices’ influence on non-governmental organisation (NGO) employees’ harmonious passion for work, affective organisational commitment, and task performance in a developing economy. We surveyed 210 managers and 528 employees (female = 43.85%; mean age... -
How individuals learn to do more with less: The role of informal learning and the effects of higher-level education and unemployment in Ghana
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Anne Kristin Pia König --- , Germany Corinna Vera Hedwig Schmidt --- , Germany Bastian Kindermann --- , Germany Marc Alexander Peter Schmidt --- , Germany Tessa Christina Flatten --- , GermanyWith a rapidly growing population, Africa faces a significant job creation challenge. One solution to this is to encourage local entrepreneurship. Yet, entrepreneurs are facing an environment where resources are scarce. A way to enact entrepreneurial opportunities in such a... -
Time of permanence and rooting quality of minicuttings of eucalypt clones
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Glauce Taís de Oliveira Sousa Azevedo --- , Brazil Anderson Marcos de Souza --- , Brazil Gileno Brito de Azevedo --- , Brazil Paulo Eduardo Teodoro --- , Brazil Larissa Pereira Ribeiro Teodoro --- , Brazil José Raimundo Luduvico de Sousa --- , BrazilEstablishing the optimal time for rooting permanence and evaluation of the rooting quality of eucalypt clones allows us to optimise the production process and increase the quality of the seedlings produced. This study aimed to determine the optimal time for... -
How do institutionalized supplier development initiatives affect knowledge transfer and operational performance? Evidence from SME construction companies in Zambia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Shem Sikombe --- , South Africa Maxwell Phiri --- , South AfricaThe purpose of the study is, first, to examine how, and which institutionalized supplier development initiatives are associated with knowledge transfer, and, second, to investigate the mediating role of knowledge transfer between institutionalized supplier development and operational performance. Data were... -
Blockchain for agricultural sector: The case of South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Roberto Mavilia --- , Italy Roberta Pisani --- , ItalyNew technologies are playing a fundamental role in the postmodern era of globalization where interpersonal interactions at the international level and the exchange of goods, services, information and capital are the basis of all activities. The agriculture sector is constantly... -
The effects of cluster collaboration and the utilization of big data on business performance: A research based on the expansion of open innovation and social capital
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Joon-ho Kim --- , Republic of Korea Yae-ri Kim --- , Republic of Korea Seung-hye Jung --- , Republic of Korea Hyun-ju Choi --- , Republic of Korea June-hyuk Kwon --- , Republic of KoreaThis study examines the influence of firm cluster collaboration and the utilization of big data on the expansion of open innovation. We also investigate the effect of open innovation on business performance and test the moderating effect of social capital... -
Mobile broadband quality of service analysis using host-based performance measurements
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ayokunle Ayoyemi Akinlabi --- , Owo, Nigeria Folasade Mojisola Dahunsi --- , Akure, NigeriaMobile broadband since its adoption in Africa has been able to deliver both social and economical dividends to the African people. The increased migration to mobile broadband services in Africa is due to accelerated smartphone adoption rate, increased network roll-out... -
Instigating transformative entrepreneurship in subsistence communities: Supporting leaders' transcendence and self-determination
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Steven W. Rayburn --- Texas State University, USA Gideon Ochieng --- , KenyaThis research exposes a process of bottom-up development that supports leaders’ transcendent motives and self-determination needs to instigate transformative entrepreneurship within their communities. The process is illuminated by actions taken in development organizations working within subsistence communities. Findings reveal that... -
Corporate sustainability and firm performance in small and medium enterprises in Ghana: Mediating role of green innovation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Stephen Sarfo Adu-Yeboah --- , People’s Republic of China Yuanchun Jiang --- , People’s Republic of China Michelle Frempomaa Frempong --- , People’s Republic of China Md Altab Hossin --- , People’s Republic of China Richard Amoako --- , People’s Republic of ChinaThis study examined green innovation influences on the relationship between business organisation corporate sustainability and its performance related to market share, profitability, and market positioning. Participants (n = 432) were from the hospitality (n = 138), agribusiness (n = 74), manufacturing (n = 105) and professional services (n = 115)... -
Multi-trait, multi-method talent assessment through a digital platform: Relationship with job performance
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Frederick W. Stander --- , South Africa Sebastian Rothmann --- , South Africa Vesselin Popov --- , United Kingdom Luning Sun --- , United KingdomThis study investigated whether a multi-method assessment approach increases variance for predicting future job performance compared to a single-method approach measuring similar constructs. Participants were managers (n = 539, female = 29%, average age 38 years, SD = 7 years)... -
Perceived organisational reputation and work engagement among Nigerian bank employees: The mediating role of transformational leadership style
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gabriel C. Kanu --- , Nigeria Anene M. Ezeh --- , Nigeria Ikechukwu V. N. Ujoatuonu --- , Nigeria Sampson O. Elom --- , Nigeria Lawrence E. Ugwu --- , NigeriaThis study aimed to examine the relationship between employee perceptions of their organisational reputation and employee work engagement, and the role of transformational leadership style in that relationship. The study sample comprised 183 employees of Nigerian banks (female = 52.5%; managers = 9.8%; mean... -
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)... -
Negotiating Cultural Transformation in the Performance Practice of Narratives in Kenya
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Nancy Abigael Masasabi --- , KenyaCulture is never static but continues to change. The narrative is one of the prosaic performances in cultures with an oral tradition. Such prosaic performances are culture bearers and signifiers. Change in societal setup has affected the contexts within which... -
The Freshwater Biodiversity Information System (FBIS) – mobilising data for evaluating long-term change in South African rivers
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Helen Dallas --- , South Africa Jeremy Shelton --- , South Africa Tim Sutton --- , South Africa Dimas Tri Cuptura --- , South Africa Mohammed Kajee --- , South Africa Nancy Job --- , South AfricaAccess to long-term biodiversity datasets is vital for monitoring, managing and protecting freshwater ecosystems. Detecting critical ecosystem changes, such as losing unique biodiversity and ecosystem services, is dependent on access to data. A wealth of biodiversity data exists for river... -
The information content of bond rating changes and insider trading in Korea
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Heejin Yang --- , Korea Doowon Ryu --- , KoreaThis study examines differences in insider groups’ trading behaviours based on their characteristics. We use data on high-frequency insider trading and Korean bond rating change announcements. We find that insiders actively exploit their information advantage, and their transaction behaviour differs... -
Information sharing and fund performance: Evidence from the US mutual fund family
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Yaoyao Fu --- , China Peng Hua --- , P.R. China Qijie Chen --- , P.R. China Si Zhou --- , P.R. ChinaIn this paper, we investigate the information sharing within an organisation and its consequences on mutual fund performance. Using a sample from the US open-end mutual fund industry, information sharing inside an organisation is quantified via the dependence of individual... -
Complex information and accounting standards: Evidence from UK narrative reporting
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Ekaete Efretuei --- , United Kingdom Abel Usoro --- , Nigeria Christina Koutra --- , United Arab EmiratesThe application of International Financial Reporting Standards (IFRS) has been introduced in many countries to enhance efficiencies in financial markets and improve communication in financial reporting. However, extant studies have suggested that the introduction of IFRS has increased narrative complexity,... -
Farmers’ knowledge, attitudes, and perceptions for the adoption of in-field rainwater harvesting (IRWH) technique in Thaba Nchu, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Admire Rukudzo Dzvene --- , South Africa Weldemichael Tesfuhuney --- , South Africa Sue Walker --- , South Africa Andries Fourie --- , South Africa Cobus Botha --- , South Africa Gert Ceronio --- , South AfricaA systematic engagement strategy was used to identify contextual factors that prevent farmers from accepting the in-field rainwater harvesting (IRWH) technique. The purpose of the qualitative study is to assess farmers’ knowledge and attitudes about the technique, as well as... -
Determinants of ICT adoption and uptake at a rural public-access ICT centre: A South African case study
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Cecilia Frans --- , Shaun Pather --- ,The global Covid-19 pandemic has created a heightened sense of awareness of the inequalities that prevail in society. Access to real-time information delivered via broadband internet has become critical for survival. However, the reality of the digital divide implies that... -
Machine learning approach for identifying suspicious uniform resource locators (URLs) on Reddit social network
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Nureni Ayofe Azeez --- , Nigeria Ahmed Oladapo Lawal --- , Nigeria Sanjay Misra --- , Norway Jonathan Oluranti --- , NigeriaThe applications and advantages of the Internet for real-time information sharing can never be over-emphasized. These great benefits are too numerous to mention but they are being seriously hampered and made vulnerable due to phishing that is ravaging cyberspace. This... -
Social capital and firm performance nexus: The role of new product development capability and environmental dynamism in an emerging economy
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Patrick Awusak Akanpaaba --- , Ghana Ahmed Agyapong --- , Ghana Henry Kofi Mensah --- , Ghana Samuel Yaw Akomea --- , GhanaThis paper seeks to examine the argument that the social capital and market performance link is more pronounced when it is channelled through the new product development capability of the firm. The study further argues that the indirect effect of... -
Disrupted dining: decline of the premium food services segment in India due to the COVID-19 pandemic
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Kishore Thomas John --- Indian Institute of Technology, India Rejikumar Gopalakrishnan --- , IndiaThis review article analyses the premium “fine dining” segment of the Indian food services sector, examining trends during the COVID-19 pandemic. Specifically, we discuss the challenges encountered and initiatives taken in response to the global coronavirus outbreak. Using secondary data... -
Flow alterations and nutrient loading reduce primary producer variability in a temporarily closed microtidal estuary in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Monique Nunes --- , South Africa Daniel A Lemley --- , South Africa Janine B Adams --- , South AfricaPrimary producer responses to cumulative regulating factors were investigated in a temporarily closed microtidal estuary. We hypothesised that the phytoplankton chlorophyll-a concentration (Chl a) and invasive alien aquatic plant (IAAP) abundance would be highest during the low-flow season and that... -
Closed-form solutions via the invariant approach for one-factor commodity models
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: A.G. Johnpillai --- Eastern University, Sri Lanka F.M. Mahomed --- University of the Witwatersrand, South AfricaWe utilise the invariant method for scalar linear (1+1) parabolic partial differential equations so as to effect reductions via invertible transformations to Lie canonical forms of the first and third types. This is performed for the one-factor commodity models that... -
Learning and innovation in informal settings: The case of automobile workshops in Lagos metropolitan area
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ayodele Ibrahim Shittu --- University of Lagos, Nigeria Oluyemi Theophilus Adeosun --- University of Lagos, NigeriaThis paper broadly examines learning in informal settings and seeks explicitly to determine the modes of learning among automobile mechanics in the Lagos Metropolitan Area (LMA). The study relies on qualitative data extracted from the responses of 28 interviewees. The... -
A Big Data strategy to reinforce self-sustainability for pharmaceutical companies in the digital transformation era: A case study of Egyptian pharmaceutical companies
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mahmoud Elsayed Hassanin --- Ahram Canadian University, Egypt Mohamed Ahmed Hamada --- International IT University, KazakhstanThe Big Data-driven economy has emerged, and data is known as the new petroleum of the current century. Big Data (BD) analytics can play an essential role in building a self-sustainable competitive advantage for the pharmaceutical industry by feeding pharmaceutical... -
Factors affecting the adoption and usage of electronic tax system in Ethiopia in the case of Addis Ababa city large taxpayers
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mathewos Woldemariam Birru --- Wolaita Sodo University, EthiopiaThe aim of this research is to assess the adoption and usage of electronic tax system in the case of large taxpayers in Addis Ababa city through the implementation of unified theory of acceptance and use of technology (UTAUT) model... -
A framework for digital talent assessment: Guidelines and applications
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Frederick W. Stander --- North-West University, South Africa Sebastian Rothmann --- North-West University, South Africa Vesselin Popov --- University of Cambridge Psychometrics Centre, United Kingdom Luning Sun --- University of Cambridge Psychometrics Centre, United KingdomRapid rises in technology and digitisation in Talent Assessment practices have not been met with an equal advance in research, methodology, and rigor as applies guidelines for best practice use. This risks an inevitable quality deficit in the application of... -
Product-harm crisis and perceived betrayal: The moderating effect of cognitive bias
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Li Yalin --- Suqian University, China Zhao Min --- Hubei University of Economics, ChinaThis study utilised an experimental design to examine the moderating effect of cognitive biases (availability of information and herd effect) on the relationship between product-harm crisis and perceived betrayal. In a series of three studies involving 596 young adults (college... -
Commutation formulae with respect to non-symmetric affine connection
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Dušan J. Simjanović --- Metropolitan University, Serbia Nenad O. Vesić --- Mathematical Institute, SerbiaCommutation formulae with respect to a non-symmetric affine connection are obtained in this paper. The components of commutation formulae in this paper are covariant derivatives of tensors with respect to symmetric and non-symmetric affine connection. -
The category of residuated lattice valued filter spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Lin Zhang --- School of Mathematics and Statistics, Beijing Institute of Technology, China Bin Pang --- School of Mathematics and Statistics, Beijing Institute of Technology, ChinaConsidering L as a complete residuated lattice, some further investigations on L-filter spaces are made. Firstly, it is shown that the category L-Fil of L-filter spaces is monoidal closed. Secondly, it is proved that the categories of L-Cauchy spaces and... -
Natural recolonisation of sub-Antarctic Marion Island by Common Diving Petrels Pelecanoides urinatrix
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Maëlle Connan --- Marine Apex Predator Research Unit (MAPRU), Institute for Coastal and Marine Research, Nelson Mandela University, South Africa Stefan Schoombie --- Marine Apex Predator Research Unit (MAPRU), Institute for Coastal and Marine Research, Nelson Mandela University, South Africa Janine Schoombie --- FitzPatrick Institute of African Ornithology, DSI-NRF Centre of Excellence, University of Cape Town, South Africa Ben Dilley --- FitzPatrick Institute of African Ornithology, DSI-NRF Centre of Excellence, University of Cape Town, South Africa Peter G Ryan --- FitzPatrick Institute of African Ornithology, DSI-NRF Centre of Excellence, University of Cape Town, South AfricaNocturnal burrow-nesting seabirds are notoriously difficult to study and can go unnoticed for years in remote areas. One of these species is the Common Diving Petrel Pelecanoides urinatrix, which has a circumpolar breeding distribution in the Southern Ocean, including at... -
Exploring preferences of market traders of the type and delivery methods of HIV services in Lilongwe, Malawi
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: James Jere --- , Malawi Alinane Linda Nyondo-Mipando --- Kamuzu University of Health Sciences, MalawiBackground: Reaching all people with HIV services, including traders in the informal economy, is critical to meeting UNAIDS’ 95-95-95 goals. However, traders prioritise their business over attendance at health facilities. This limits their access to health services. This study explores... -
“Lydiate is now our home of a sort”: perceptions of place amongst ageing first-generation Malawian migrants in Zimbabwe
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Johannes Bhanye --- University of the Free State, South AfricaThe notion of “home” amongst the diaspora is complex, with some scholars asserting that home in the diaspora is not singular or exclusionary but that migrants are torn between multiple “homes.” Other scholars highlight that it is not always the... -
Compulsory unethical pro-organisational behaviour and employees’ in-role performance: a moderated mediation analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jing Wang --- Zunyi Medical University, China Gangqiang Wang --- Zunyi Normal University, China Guoqin Liu --- Zunyi Medical University, China Qing Zhou --- Zunyi Medical University, ChinaThis study aimed to identify the influences of compulsory unethical pro-organisational behaviour (CUPB) on employees’ in-role performance and the potential mechanisms between them. Based on the multilevel data from 612 salespeople in China (female = 55.4%; managers = 47.8%; 23–30... -
The Laplace transform on the rearrangement of invariant spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: René Erlin Castillo --- Departamento de Matemáticas Universidad Nacional de Colombia, Colombia A. Ricardo Miranda B. --- Departamento de Matemáticas Universidad Nacional de Colombia, Colombia Julio C. Ramos-Fernández --- Universidad Distrital Francisco José de Caldas, ColombiaIn a self contained presentation we study the boundedness of the Laplace transform on the rearrangement invariant Lebesgue Lp -space, we use real analysis techniques provided by convex analysis and the K-method. -
On some properties of generalized Narayana numbers
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Dmitry Kruchinin --- Tomsk State University of Control Systems and Radioelectronics, Russia Vladimir Kruchinin --- Tomsk State University of Control Systems and Radioelectronics, Russia Yuriy Shablya --- Tomsk State University of Control Systems and Radioelectronics, RussiaIn this paper, we consider a three-parameter generalization of the Narayana numbers that is related to the powers of the generating function for the Narayana numbers. We find a multivariate generating function for these generalized Narayana numbers. For the composition... -
Effect of entrepreneurial orientation on business performance of young women agribusiness owners in Benin: Do social and business environments matter?
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Smith A. R. Dossou --- University of Abomey-Calavi, Benin Razack Adeoti --- International Institute of Tropical Agriculture (IITA), Nigeria Augustin K. N. Aoudji --- University of Abomey-Calavi, Benin Mignouna Djana --- International Institute of Tropical Agriculture (IITA), NigeriaThis research examined how key entrepreneurial orientation (EO) dimensions influence business performance of young women agribusiness owners, as well as the moderating effects of social and business environments on these relationships. Data were collected from a sample of 365 young... -
Developing an improved reverse engineering adoption model towards the improvement of performance in metal engineering industries
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yichalewal Goshime --- Addis Ababa Institute of Technology, Addis Ababa University, Ethiopia Daniel Kitaw --- Addis Ababa Institute of Technology, Addis Ababa University, Ethiopia Frank Ebinger --- Erlangen University, George Simon Ohm Technical Institute, Nuremberg Campus of Technology, Germany Kassu Jilcha --- Addis Ababa Institute of Technology, Addis Ababa University, EthiopiaPurpose: This research aims to develop an improved model that promotes reverse engineering /RE/ practice in metal engineering industries (MEIs). RE is one cost-effective technology transfer /TT/ and innovation method that improves organizational performance. However, only a few scholars have... -
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... -
Evaluation of the Nigerian national antiretroviral (ARV) treatment training programme
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: E Oni Idigbe --- Nigerian Institute of Medical Research (NIMR), Oluwole Odutolu --- World Bank/UNAIDS Global HIV/AIDS Monitoring and Evaluation Team (GAMET) and Harvard PEPFAR, Nigeria Prosper Okonkwo --- Harvard School of Public Health's President's Emergency Plan for AIDS Relief, Nigeria Morenike Folayan --- Department of Child Dental Health, Obafemi Awolowo University, Rosemary Audu --- University of Lagos, Nigeria Osagbemi Makanjuola --- Department of Geography and Planning, University of Jos, Nigeria Charles BR Uwakwe --- Department of Guidance and Counselling, University of Ibadan, Nigeria Oluwatoyin Jolayemi --- AIDS Prevention Initiative Nigeria (APIN),There is an understanding that greater availability of HIV treatment for the 40.3 million people currently infected with HIV is a humanitarian imperative that could prolong the lives of millions, restore economic productivity, and stabilise societies in some of the... -
Barriers and facilitators to patients' adherence to antiretroviral treatment in Zambia: a qualitative study
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Nawa Sanjobo --- Copperbelt University, Jan C Frich --- Research Unit for General Practice, University of Oslo, Atle Fretheim --- Preventive and International Health Care Unit, Norwegian Knowledge Centre for Health Services, NorwayPatients' adherence to antiretroviral therapy (ART) is important for effective medical treatment of HIV/AIDS. We conducted a qualitative interview study in the Copperbelt Province of Zambia in 2006. The aim of the study was to explore patients' and health care... -
Ethical and practical challenges in implementing informed consent in HIV/AIDS clinical trials in developing or resource-limited countries
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Kyriaki Mystakidou --- Department of Radiology, Areteion Hospital, University of Athens, Irene Panagiotou --- Athens Medical School, Stelios Katsaragakis --- Pain Relief and Palliative Care Unit, Department of Radiology, Areteion Hospital, School of Medicine, University of Athens, Eleni Tsilika --- Department of Radiology, University of Athens at Areteion Hospital in the Pain Relief and Palliative Care Unit, Efi Parpa --- Department of Radiology, University of Athens at Areteion Hospital in the Pain Relief and Palliative Care Unit,Background/rationale: Ethical issues regarding HIV/AIDS human research in the developing world remain under continuous evaluation; a critical area of concern includes informed consent. This paper reviews several of the most important ethical and practical aspects of informed consent in HIV... -
Reaching the hearts and minds of illiterate women in the Amhara highland of Ethiopia: Development and pre-testing of oral HIV/AIDS prevention messages
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Gebeyehu W Bogale --- Educational Media Agency, Ethiopia Henk Boer --- University of Twente, The Netherlands Erwin R Seydel --- University of Twente, The NetherlandsIn the style of radio programmes, we developed three episodes of audio HIV prevention education for illiterate women in Ethiopia. We used social-oriented presentation formats, such as discussion between women on HIV prevention, and expert-oriented presentation formats, such as an... -
Maternal HIV status and infant feeding practices among Ugandan women
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Pius Okong --- St Francis Hospital Nsambya, Praxedes Kituuka Namaganda --- Department of Paediatrics, St Francis Hospital Nsambya, Luciana Bassani --- St Francis Hospital Nsambya, Mary Mbidde Tabaro --- St Francis Hospital Nsambya, Francesca Zanetto --- St Joseph's Hospital, Edith Birungi Mwebaze --- Social Sector Planning and Management, Makerere University, Liliana Weimer --- Unit of Pharmacology and Therapy of Viral Diseases of the Department of Therapeutic Research, Istituto Superiore di Sanità (The Italian National Institute of Health), Lina Tomasoni --- Unit for Tropical and Imported Diseases, Spedali Civili General Hospital, Francesco Castelli --- Department for Mother and Child Care and Medical Biotechnologies, University of Brescia, Italy Marina Giuliano --- Unit of Pharmacology and Therapy of Viral Diseases of the Department of Therapeutic Research, Istituto Superiore di Sanità (The Italian National Institute of Health),To describe the infant feeding practices in the general population in Uganda, and to assess the impact of maternal HIV status on these practices, a questionnaire was administered to women attending the follow-up clinics for child vaccination. Among the mothers... -
An evaluation of a refresher training intervention for HIV lay counsellors in Chongwe District, Zambia
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Charles Msisuka --- , Zambia Ikuma Nozaki --- National Center for Global Health and Medicine, Japan Kazuhiro Kakimoto --- Osaka Prefecture University, Motoko Seko --- Japan International Cooperation Agency (JICA), Japan Mercy M S Ulaya --- National AIDS Council, ZambiaTo address a severe shortage of human resources for health, the Zambian Ministry of Health has begun to make use of lay counsellors for HIV counselling and testing. However, their skills and knowledge rarely have been reviewed or refreshed. We... -
Researching to make a difference: Possibilities for social science research in the age of AIDS
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Naydene de Lange [d99e14]HIV and AIDS is recognized as one of the most devastating pandemics of sub-Saharan Africa, and South Africa in particular, with adverse effect on individuals, families, schools, communities and society at large. Research is therefore required to provide a deeper... -
Equipping educators to address HIV and AIDS: A review of selected teacher education initiatives
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: W. L. (Bill) Holderness [d91e15]Teacher educators, school principals and teachers are potentially well positioned to play a pivotal role in changing the course of the HIV and AIDS epidemic. The purpose of this article is to focus on a spectrum of educational initiatives in... -
Using HIV&AIDS statistics in pre-service Mathematics Education to integrate HIV&AIDS education
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Linda van Laren [d85e14]In South Africa, the HIV&AIDS education policy documents indicate opportunities for integration across disciplines/subjects. There are different interpretations of integration/inclusion and mainstreaming HIV&AIDS education, and numerous levels of integration. Integration ensures that learners experience the disciplines/subjects as being linked and... -
Partager l'information sur son statut sérologique VIH dans un contexte de polygamie au Sénégal
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Khoudia Sow [d345e18]In Senegal, where HIV prevalence is less than 1% and stigma remains important, 40% of marriages are polygamic. The purpose of this article is to describe and analyze the motivations, benefits and constraints related to HIV disclosure, and to explore... -
Social support seeking and self-efficacy-building strategies in enhancing the emotional well-being of informal HIV/AIDS caregivers in Ibadan, Oyo state, Nigeria
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Bernedette Okwuchukwu Okeke --- , NigeriaThis study examined the relative efficacy of social support seeking (SSS) and self-efficacy building (SEB) in the management of emotional well-being of caregivers of people suffering from HIV/AIDS. It was based at the United States President's Emergency Plan for AIDS... -
Monitoring and evaluation of sport-based HIV/AIDS awareness programmes: Strengthening outcome indicators
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Elma Nelisiwe Maleka --- , South AfricaThere are number of Non-Governmental Organisations (NGOs) in South Africa that use sport as a tool to respond to Human Immunodeficiency Virus/Acquired Immunodeficiency Syndrome (HIV/AIDS), however, little is reported about the outcomes and impact of these programmes. The aim of... -
Problematizing official narratives of HIV and AIDS education in Scotland and Zimbabwe
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Tarsisio Nyatsanza --- , , , South Africa Lesley Wood --- , , South AfricaWhen human immunodeficiency virus (HIV) and acquired immune deficiency syndrome (AIDS) are framed within an intersectional approach, they have the potential to transform understandings of social justice within the curriculum and education policy and practice in general. Yet, this transformative... -
Xenopus laevis embryos and tadpoles as biological indicators of acidic waters
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: LorrenK. Haywood --- University of the Witwatersrand, South AfricaXenopus laevis embryos and tadpoles show graded responses in terms of their hatching success, growth rate and incidence of malformations when exposed to acidity. These responses mean that they are good bioindicators of acidic waters. Exposure to a pH less... -
Cranial osteology of the African gerrhosaurid Angolosaurus skoogi (Squamata; Gerrhosauridae)
Item type: Journal Article • Journal: The Journal of the Herpetological Association of Africa • Authors: HollyA. Nance --- The University of Texas, USAPhylogenetic relationships both within and between the scincomorph families Gerrhosauridae and Cordylidae are in need of re‐examination. Currently the basal gerrhosaurid is unknown, although Angolosaurus skoogi previously was proposed as the sister taxon to mainland African gerrhosaurids. Many details of... -
Evaluation of the quality constructs of a tax management system based on DeLone and McLean IS success model
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Godwin Banafo Akrong --- School of Management and Economics (UESTC), University of Electronic Science and Technology, People’s Republic of China Yunfei Shao --- School of Management and Economics (UESTC), University of Electronic Science and Technology, People’s Republic of China Ebenezer Owusu --- University of Ghana, GhanaWe presented a novel method to analyze the impact tax management systems have on users (individual impact) in this study. The interrelationship among the three information system (IS) quality constructs is examined. The study is based on the evaluation undertaken... -
Performance of goats browsing on Vachellia karroo encroached communal lands and open grasslands in the Eastern Cape province, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: W Maguraushe --- University of Fort Hare, South Africa JF Mupangwa --- University of Namibia, Namibia S Washaya --- Great Zimbabwe University, Masvingo V Muchenje --- University of Fort Hare, South AfricaThe objective of this study was to evaluate the effects of season, rangeland type, and herd size on the performance of goat browsing. A total of eighty communal household goat herds from Mbashe and Nkonkobe municipalities were monitored for twelve... -
Business-driven approach to cloud computing adoption by small businesses
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Martin Adane --- University of Cape Coast, GhanaIn the adoption of technology, there is the need for the alignment of the objectives of the business’s information technology (IT) strategy with the business strategy to ensure effectiveness and overall business performance. This study sought to investigate the effect... -
Socio-psychological factors influencing farmers’ willingness to continue participating in collaborative activities of community-based innovation platforms in eastern Uganda
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Rebecca Mukebezi --- Makerere University, Uganda Bernard Bonton Obaa --- Makerere University, Uganda Florence Birungi Kyazze --- Makerere University, Uganda Settumba B. Mukasa --- Makerere University, Uganda Irene Bulenzibuto Tamubula --- Kyambogo University, UgandaThis study employed an extended theory of planned behaviour to assess the socio-psychological factors influencing farmers’ willingness to continue participating (WTCP) in collaborative activities of community-based innovation platforms (CB-IPs). Using a structured questionnaire, data were obtained from a random sample... -
Validation of growth zone formation in Oreochromis mossambicus otoliths collected from an irrigation pond in the Sundays River Valley, Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: L Mofu --- Rhodes University, South Africa T Dalu --- University of Mpumalanga, South Africa RJ Wasserman --- South African Institute for Aquatic Biodiversity, South Africa DJ Woodford --- University of the Witwatersrand, South Africa OLF Weyl --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaIn fisheries science, life-history trait information is widely used to estimate fish population recruitment, growth, and mortality. The aging and growth of Oreochromis mossambicus from the Sundays River Valley irrigation pond in the Eastern Cape province of South Africa were... -
Purpose in life and academic performance: Grit mediation among Chinese college students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yungui Guo --- Hunan University of Science and Technology, China Shiyu Luo --- Hunan University of Science and Technology, China Yu Tan --- Hunan University of Science and Technology, ChinaThis study explored the mediating effect of grit (consistency of interest, perseverance of effort) on the association between purpose in life (meaningfulness, goal orientation, and beyond-the-self) and academic performance. Data were collected from 493 students from two universities in Hunan... -
Employee perceptions of key retention factors in the mining industry: A qualitative study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lehlogonolo Hadebe --- University of South Africa, South Africa Cebile Tebele --- University of South Africa, South Africa Elzabé Nel --- University of South Africa, South AfricaDespite the significant challenges faced by its employees, the South African mining industry continues to contribute to the economy. This study explored employee retention factors in the South African mining industry from the perspective of high-performing employees. Five high-performing employees... -
What can hotels learn content wise from online travel agency websites?
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Marit de Vries --- NHL Stenden University of Applied Sciences, The NetherlandsThis research focuses on the specific information present on a hotel website and an online travel agency (OTA) hotel page, and to identify what information relates to which customer value. A checklist, based on the combination of OTA consumption values... -
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... -
Accounting outsourcing and its relationship with financial performance of SMEs: Manager and employee perspectives
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Faeze Rezazade --- Excelsia College, Australia Susannah Minutillo --- Excelsia College, Australia Nirmal Patel --- Excelsia College, AustraliaThere is a gap in the literature related to understanding the relationship between outsourcing of accounting functions and financial performance (productivity and cost efficiency) of SMEs. This study examines the relationship between accounting outsourcing and financial performance in terms of... -
Predicting soil carbon in granitic soils using Fourier-transform mid-infrared (FT-MIR) spectroscopy: the value of database disaggregation
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Kelebohile Rose Seboko --- University of the Free State, South Africa Johan van Tol --- University of the Free State, South Africa Elmarie Kotze --- University of the Free State, South AfricaSoil carbon (C) is an important component in quality assessments and efficient models are required to estimate C rapidly. Accurate C assessments are valuable in monitoring land-use changes. Fourier-transform mid-infrared (FT-MIR) spectroscopy has proved to be a powerful tool for... -
On the almost h-conformal semi-invariant Riemannian maps
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Kwang Soon Park --- University of Seoul, Republic of Korea Sylvia Szabo --- College of Future Convergence, Dongguk University, Republic of KoreaIn this paper, we introduce hsR maps and ahsR maps from almost quaternionic Hermitian manifolds into Riemannian manifolds as a generalization of almost h-conformal semi-invariant submersions and conformal semi-invariant Riemannian maps. We give some examples of these maps and study... -
Some properties of the Walsh-Nörlund means
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ushangi Goginava --- United Arab Emirates University, UAE Károly Nagy --- Institute of Mathematics and Computer Sciences, University of Nyíregyháza, Nyíregyháza, HungaryIn the present paper we give a necessary and sufficient condition on monotone weights, which guaranties the Nörlund means of Walsh-Fourier series converge in L 1 norm and CW norm. We also discuss the almost everywhere summability by Nörlund means... -
A note on p-adic Raabe formulas
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Min-Soo Kim --- Kyungnam University, Republic of KoreaThe Hurwitz-type Euler (or the alternating Hurwitz) zeta function is defined by the following series -
Further investigations on the two variables second Appell hypergeometric matrix function
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mohamed Abdalla --- College of Science, King Khalid University, Saudi Arabia Hala Abd-Elmageed --- South Valley University, Egypt Mahmoud Abul-Ez --- Sohag University, Egypt Mohra Zayed --- College of Science, King Khalid University, Saudi ArabiaOver the last two decades, special matrix functions have become a major area of study for mathematicians and physicists. The famous four Appell hypergeometric matrix functions have received considerable attention by many authors from different points of view. The present... -
Comultiplication structures on the wedge product of spheres
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Dae-Woong Lee --- Jeonbuk National University, Republic of Korea Sunyoung Lee --- Jeonbuk National University, Republic of KoreaHomotopy multiplications on H-spaces and homotopy comultiplications on co-H-spaces play an important role in topology for many reasons. They are the duals with each other in the sense of Eckmann and Hilton, and have many kinds of examples to construct... -
Boundedness of the Hilbert transform in Lorentz spaces and applications to operator ideals
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: K.S. Tulenov --- Al-Farabi Kazakh National University, KazakhstanIn this paper, it is investigated the optimal range of the classical Hilbert transform in Lorentz spaces of functions and its non-commutative counterparts including a triangular truncation operator in Schatten-Lorentz ideals. Some applications of obtained results to operator Lipschitz functions... -
Information Communication technology governance practices in universities: A case study of a university of technology in Durban, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: John Mangundu --- Durban University of Technology, South AfricaInformation communication technologies (ICTs) have become an indispensable asset in the university environment. However, processes regarding ICT acquisition have become complicated as adoption of ICTs brings with it ICT risks, requiring ICT governance. ICT governance in a developing economy university... -
Establishing an understanding of the innovation process of informal micro-enterprises
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Lavhelesani Mulibana --- Gauteng Provincial Government, Republic of South Africa Ravinder Rena --- Durban University of Technology, Republic of South AfricaInnovation has been discerned as a catalyst that enables firms to remain relevant and sustainable. In recent years, the innovation discipline has been extended to the informal sector. Nonetheless, to date little is known about the process that is followed... -
Telecommuting and job performance during the COVID-19 pandemic: The mediating role of psychological detachment from work
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jinkai Cheng --- Renmin University of China, China Chao Zhang --- Fuzhou University, ChinaThis study examined the mediating role of psychological detachment from work and the moderating influence of perceived organisational telework task support in the relationship between the extent of telecommuting and the job performance of employees. Using a time-lag study design,... -
Exploring new solutions to Tingley’s problem for function algebras
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: María Cueto-Avellaneda --- University of Kent, UK Daisuke Hirota --- Niigata University, Japan Takeshi Miura --- Niigata University, Japan Antonio M. Peralta --- Instituto de Matemáticas de la Universidad de Granada (IMAG), SpainIn this note we present two new positive answers to Tingley’s problem in certain subspaces of function algebras. In the first result we prove that every surjective isometry between the unit spheres, S(A) and S(B), of two uniformly closed function... -
Case assessment and identification of pharmaceutical supply chain performance measures and metrics
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Asrat Mekonnen Gobachew --- University of Bremen, Germany Hans-Dietrich Haasis --- University of Bremen, Germany Eshetie Berhan --- Addis Ababa University, EthiopiaA lot of attention has been paid to performance measurement during the past few decades. There are several reasons for utilizing performance measurement in a business, but the most important one is that, when done right, it will increase productivity... -
HIV-sensitive social protection: an assessment of east and southern Africa’s social protection policies and programmes
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Zitha Mokomane --- University of Pretoria, South Africa Nonhlanhla Xaba --- , South Africa Kai Roehm --- , South Africa Mutinta Hambayi --- , Kenya Manaan Mumma --- , Kenya Giovanni Giordana --- , Kenya Simphiwe Mabhele --- , South Africa Christian Mouala --- ,Despite notable political and financial commitment to fight the HIV epidemic, east and southern Africa (ESA) remains the world regions most affected. Given increasing calls for the implementation of HIV-sensitive social protection programmes to address the multiple individual, community and... -
The integer sequence transform a → b, where bn is the number of real roots of the polynomial a 0 + a 1 x + a 2 x 2 + · · · + anxn
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: W. Edwin Clark --- University of South Florida, USA Mark Shattuck --- University of Tennessee, USAWe discuss the integer sequence transform a 1→ b, where bn is the number of real roots of the polynomial a 0 + a 1 x + a 2 x 2 + · · · + anxn . It is... -
I’m betrayed and I’m gone – unless organizational leaders convince me otherwise: Perceived contract breaches, quitting intentions, and leader-related resources
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Dirk De Clercq --- Brock University, Canada Renato Pereira --- ISCTE Instituto Universitário de Lisboa, PortugalEmployees’ perceptions that their organization has not met its promises toward them (i.e., perceived contract breaches) might inform their turnover intentions, in a link that also could be moderated by four relevant leader-related resources – two that reflect how organizational... -
Contributions of Africa to management and organization science
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Baniyelme D. Zoogah --- McMaster University, CanadaGiven the increasing globalization of management and organization science (MOS), it has been suggested that scholarly communities examine the contributions of their contexts to the discipline. Accordingly, the contributions from Africa to MOS across the pre-modern, modern, and post-modern eras... -
Exploring the infant feeding experiences of mothers living in selected Tshwane informal settlements: a qualitative study
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Tshegofatso Betty Mohlala --- University of Pretoria, Pretoria, South Africa Sithabile Nombulelo Mathunjwa --- University of Pretoria, Pretoria, South Africa Heather Modiehi Legodi --- University of Pretoria, Pretoria, South Africa Mamakwa Sanah Mataboge --- ,Objective: The study aimed to explore and describe the infant feeding experiences of mothers of children aged 3 to 24 months, living in two selected informal settlements in Tshwane, South Africa. -
Context-based factors that influence healthcare information system implementation in resource-constrained public hospitals
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mourine Achieng --- University of South Africa, South Africa Ephias Ruhode --- University of the West of Scotland, ScotlandTechnology-based interventions in healthcare are often anticipated to improve the quality of healthcare services. These expectations are based on a perceived belief in the ability of technology to alleviate some of the challenges associated with manual, paper-based healthcare service delivery... -
A pointfree theory of Pervin spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Célia Borlido --- Centre for Mathematics of the University of Coimbra (CMUC), Portugal Anna Laura Suarez --- Université Nice Sophia Antipolis, FranceWe lay down the foundations for a pointfree theory of Pervin spaces. A Pervin space is a set equipped with a bounded sublattice of its powerset, and it is known that these objects characterize those quasi-uniform spaces that are transitive... -
Presence of the alien Rose-ringed Parakeet Psittacula krameri (Psittacidae) in Mozambique
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Francesca Romana Trezza --- University Eduardo Mondlane – Sapienza University of Rome, Mozambique Ivan da Costa Nerantzoulis --- , Mozambique Silvio Cianciullo --- University Eduardo Mondlane – Sapienza University of Rome, Mozambique Hugo Mabilana --- University Eduardo Mondlane, Mozambique Célia Macamo --- University Eduardo Mondlane, Mozambique Fabio Attorre --- Sapienza University of Rome, Italy Carlos Manuel Bento --- , Mozambique Paolo Ramoni-Perazzi --- University Eduardo Mondlane – Sapienza University of Rome, MozambiqueThe biology of the Rose-ringed Parakeet Psittacula krameri has been widely studied in many of its naturalized habitats around the world. However, its potential status and impacts may have gone unnoticed in regions with limited monitoring. In this report, we... -
How college students’ social media information overload affects sleep quality: The mediating effect of social fatigue and irrational procrastination
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jing Li --- Zhejiang University, China Tingting Gao --- Zhejiang University, China Yinghua Ye --- Zhejiang University, ChinaInformation overload is a pervasive phenomenon in the information age and has a negative impact on personal psychological experiences and behavioural performance. The relationship between WeChat information overload and sleep quality was examined, as well as the mediating effects of... -
Teacher support and student engagement in mathematics: The chain mediating role of academic self-efficacy and achievement goal orientation
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yanfei Yang --- Universiti Pendidikan Sultan Idris, Malaysia Guangzheng Li --- Jiangsu Normal University, China Fenfen Song --- , China Yuan Yuan --- Universiti Pendidikan Sultan Idris, MalaysiaThis explored how teacher support impacted student engagement in mathematics. A total of 632 students in Grades 7 to 9 from junior middle schools in China were participants (females = 54.27%, mean age = 13.97, SD = 0.88). They completed... -
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... -
Informal structures in knowledge and the effectiveness of the transfer process among construction workers in Dar es Salaam, Tanzania
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Justine Mselle --- Department of Land Management and Valuation, Ardhi University, Tanzania Samwel Alananga --- Department of Land Management and Valuation, Ardhi University, Tanzania Sarah Phoya --- Department of Building Economics, Ardhi University, Tanzania Harriet Eliufoo --- Department of Building Economics, Ardhi University, TanzaniaThe combination of both Structured Knowledge Transfer (SKT) and Unstructured Knowledge Transfer (UKT) processes is important for Knowledge Transfer Effectiveness (KTE) in construction workplace practices. However, the extant literature suggests that there is a high level of KTE in informal... -
Information technology in supply chain management: Perspectives from key actors in the Nigerian petroleum sector
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Baba Shehu Terab --- Hydrocarbon Processing Department, Nigerian Midstream and Downstream Petroleum Regulatory Authority, Nigeria Umar Ali Umar --- Ahmadu Bello University, Nigeria Ayodeji Nathaniel Oyedeji --- Ahmadu Bello University, NigeriaThis research examines the potential impact of information technology (IT) on supply chain management (SCM) in the Nigerian petroleum industry. Specifically, the study seeks to identify the IT systems utilized by the key actors in the industry, the challenges facing... -
Breeding ecology of the Cream-coloured Courser Cursorius cursor (Glareolidae) on semi-arid grazing land in Souss-Massa National Park, southwestern Morocco
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Yassine Teyar --- Ibn Zohr University, Morocco Dimitri Giunchi --- University of Pisa, Italy Mohamed El Bekkay --- , Morocco Widade Oubrou --- , Morocco Mohammed Znari --- Cadi Ayyad University, Morocco Mohamed Aourir --- Ibn Zohr University, MoroccoThis study presents the first data on the breeding ecology of the Cream-coloured Courser Cursorius cursor (family Glareolidae) in a grazed semi-arid steppe in southwestern Morocco. The egg-laying occurred between early May and July, with most nests found between May... -
The use of social media as a source of nutrition information
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Megan Kreft --- Stellenbosch University, South Africa Brittany Smith --- Stellenbosch University, South Africa Daniella Hopwood --- Stellenbosch University, South Africa Renee Blaauw --- Stellenbosch University, South Africa -
If COVID-19 doesn’t kill you, uber eats will: hospitality entrepreneurs’ views on online food aggregators
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Andy Erickson --- Auckland University of Technology, New ZealandEven before COVID-19 changed the world, hospitality operators were struggling to understand how to cope with the short-term benefits but potentially long-term damage to their business model of collaborating with food aggregators. The ease of accessing a well-managed customer interface... -
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... -
Strengths use in the workplace: A meta-analysis
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: --- School of Labor and Human Resources, Renmin University of China, China --- School of Labor and Human Resources, Renmin University of China, China --- School of Labor and Human Resources, Renmin University of China, China --- School of Labor and Human Resources, Renmin University of China, ChinaThis meta-analysis aimed to clarify the relationship between perceived organisational support and core self-evaluations and strengths use and task performance outcomes utilising a cross-temporal versus time-lagged research design. Drawing on the random effects model, this study combined 44 effect sizes... -
Disrupting self-censorship, inventing public space through interactive performances in Luanda, Angola
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Chloé Buire --- , FranceThis article analyses a series of cultural events organised in Luanda, Angola, in 2021–2022 by an artistic collective called the Vosi Yetu Project. These open-mike sessions promoting freedom of expression are analysed as carnivalesque moments redistributing the norms of who... -
A preliminary study into the detection of fish environmental DNA in selected South African estuaries
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Keneilwe Thekiso --- University of KwaZulu-Natal, South Africa Tshoanelo Miya --- University of KwaZulu-Natal, South Africa Dominique A Cowart --- , FranceEnvironmental DNA (eDNA) is a powerful technique for the non-invasive and comprehensive monitoring of entire ecosystems. Despite its many advantages, the use of eDNA in South Africa as an assessment tool for fish biodiversity is largely underutilised. This study was... -
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... -
Consolidation of human factors limiting the success and sustainability of e-Agriculture projects in sub-Saharan Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ezra Misaki --- , TanzaniaHuman factors affecting e-Agriculture should be identified and understood to ensure the success and sustainability of e-Agriculture projects. However, specific human factors influencing e-Agriculture in sub-Saharan Africa have never been consolidated. In this regard, the current study reviewed diverse literature... -
ESG performance and firm value in the Chinese market
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Rui Cheng --- Yeungnam University, Korea Hyeongjun Kim --- Yeungnam University, Korea Doojin Ryu --- Sungkyunkwan University, KoreaWhile the recent COVID-19 pandemic has accelerated environmental, social, and governance (ESG) investing, there remains a growing sense of uncertainty in this sector. This study investigates the impacts of ESG-related information disclosures on firm value and tests the relationship between... -
Quasilattices and complex concept analysis
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: G.N. Nop --- Iowa State University, USA J.D.H. Smith --- Iowa State University, USAQuasilattices are algebraic structures that comprise a semilattice-ordered system of lattices. In this paper, certain quasilattices (that are characterized abstractly by a local completeness property) provide an extension of Wille's concept analysis to the study of complex systems that function... -
Order boundedness and order continuity properties of positive operator semigroups
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jochen Glück --- University of Wuppertal, School of Mathematics and Natural Sciences, Germany Michael Kaplin --- Institute of Mathematics, SlovenijaRelatively uniformly continuous (ruc) semigroups were recently introduced and studied by Kandic, Kramar-Fijavž, and the second-named author, in order to make the theory of one-parameter operator semigroups available in the setting of vector lattices, where no norm is present in... -
Towards a geometrical equivalence of norms
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Eder Kikianty --- University of Pretoria, South AfricaAngular equivalence of norms, introduced by Kikianty and Sinnamon (2017), is a notion of norm equivalence that is more attuned to the geometry of the norms. For certain geometrical properties and two angularly equivalent norms, it is the case that... -
E-government’s role in enhancing foreign direct investment to sub-Saharan African countries: An application of system GMM
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Getahun Tolossa Adugna --- School of Economics, College of Business and Economics, University of Gondar, Ethiopia Wondemhunegn Ezezew Melesse --- School of Economics, College of Business and Economics, University of Gondar, Ethiopia Yinges Alemu Muche --- School of Economics, College of Business and Economics, University of Gondar, EthiopiaIn recent years, the provision of government services through electronic platforms has significantly increased due to the rapid development of digital technologies. The significant shift in digital governance is expected to have an effect on key macroeconomic variables through its... -
Does participation in innovation platform improve welfare? Insights from smallholder maize farmers in Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Eric Asiamah Yeboah --- , Ghana Kelvin Balcombe --- University of Reading, UK Bright Owusu Asante --- Kwame Nkrumah University of Science and Technology (KNUST), Ghana Stephen Prah --- Kwame Nkrumah University of Science and Technology (KNUST), Ghana Robert Aidoo --- Kwame Nkrumah University of Science and Technology (KNUST), GhanaThis paper investigates the impact of participation in innovation platforms (IPs) on smallholder maize farmers’ welfare in the Brong Ahafo region of Ghana using data collected from 477 rural farm households. We employed the doubly robust inverse probability weighted regression... -
Financial innovation and banking performance: The role of banking regulations in SAARC Region
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Hussain Abbas --- Zhongnan University of Economics and Law Wuhan, People’s Republic of China Guo Fei --- Zhongnan University of Economics and Law Wuhan, People’s Republic of China Shah Abbas --- China University of Geosciences Wuhan,, People’s Republic of China Farhan Hussain --- Central South University, People’s Republic of ChinaThe rapid proliferation of information and communication technology has accelerated innovation in financial instruments, resulting in a heightened transformation of the competitive landscape and regulatory framework within the banking sector. Despite ongoing policy debates regarding the role and significance of... -
Burrow site selection in the Sungazer (Smaug giganteus): a threatened South African endemic lizard
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Wade K Stanton-Jones --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South Africa Daniel JD Natusch --- Macquarie University, Australia Graham J Alexander --- School of Animal, Plant and Environmental Sciences, University of the Witwatersrand, South AfricaElucidating factors that drive microhabitat selection in a species is important for informing the conservation management of the species. For species that use microhabitats as long-term refuge sites, selection pressures are likely to be strong because the microhabitat must fulfil... -
Dynamic pathways to SMEs performance: Unraveling the influence of organizational learning capability, innovation, market dynamism and market responsiveness in an African emerging economy
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Ahmed Agyapong --- Kwame Nkrumah University of Science and Technology, Moses Acquaah --- University of North Carolina at Greensboro, Gladys E. Abiew --- Department of Secretaryship and Management Studies, Koforidua Technical University, Ghana Hubert N. Zan --- Ghana Energy Commission,This study explores the complex relationships among organizational learning capability (OLC), innovation, market dynamism, market responsiveness, and the performance of small and medium-sized enterprises (SMEs) in African emerging economies. Our research investigates the role of innovation as a mediator in... -
Towards a New Poetics of Comedic Performance in Kenya Following COVID-19
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Anne Lanoi Keton --- Maasai Mara University, Kenya Denis Waswa Barasa --- Masinde Muliro University of Science and Technology, KenyaStand-up comedy in Kenya before COVID-19 relied on close proximity between comedians and their audiences. However, COVID-19 disrupted this arrangement and subverted the performance space of ‘traditional theatre.’ This article examines alternative comic spaces embraced by selected Kenyan stand-up comedians... -
Pointwise multipliers between spaces of analytic functions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Daniel Girela --- Universidad de Málaga, Spain Noel Merchán --- Universidad de Málaga, SpainA Banach space X of analytic function in , the unit disc in , is said to be admissible if it contains the polynomials and convergence in X implies uniform convergence in compact subsets of . -
Form of the solutions of difference equations via Lie symmetry analysis and Fibonacci numbers
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Melih Göcen --- Zonguldak Bülent, Ecevit University, Turkey Mensah Folly-Gbetoula --- University of the Witwatersrand,In this paper, we give the form of the solutions of the following rational difference equation -
On the injectivity with respect to q of the Lupaş q-transform
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Övgü Gürel Yılmaz --- Recep Tayyip Erdogan University, Turkey Sofiya Ostrovska --- Atilim University, Turkey Mehmet Turan --- Atilim University, TurkeyThe Lupaş q-transform has first appeared in the study of the Lupaş q-analogue of the Bernstein operator. Given 0 < q < 1 and f ∈ C [0, 1], the Lupaş q-transform is defined by -
The impact of sustainable investment on firm performance in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Vongani V. Masongweni --- University of Johannesburg, South Africa Beatrice D. Simo-Kengne --- University of Johannesburg, South AfricaPurpose: This study investigates the influence of environmental, social, and governance (ESG) scores on the financial performance of firms in South Africa across industries. -
Some curvature properties of perfect fluid spacetimes
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Krishnendu De --- The University of Burdwan, India Uday Chand De --- University of Calcutta, India Ljubica S. Velimirovic --- University of Niš, SerbiaIn this paper we assume that a perfect fluid is the source of the gravitational field while analyzing the solutions to the Einstein field equations. With this new and innovative approach, we investigate some curvature properties of perfect fluid spacetimes... -
On sums of two Fibonacci numbers that are powers of numbers with limited hamming weight
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ingrid Vukusic --- University of Salzburg, Austria Volker Ziegler --- University of Salzburg, AustriaIn 2018, Luca and Patel conjectured that the largest perfect power representable as the sum of two Fibonacci numbers is 38642 = F 36 + F 12. In other words, they conjectured that the equation -
On slant Riemannian submersions from conformal Sasakian manifolds
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mehraj Ahmad Lone --- National Institute of Technology Srinagar, India Towseef Ali Wani --- National Institute of Technology Srinagar, IndiaIn this paper, we study slant Riemannian submersions from conformal Sasakian manifolds onto Riemannian manifolds. We investigate the geometry of foliations associated with the submersion and give sufficient conditions for the submersion to be harmonic. -
Uniformly S-Noetherian rings
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mingzhao Chen --- Leshan Normal University, China Hwankoo Kim --- Hoseo University, Republic of Korea Wei Qi --- Shandong University of Technology, China Fanggui Wang --- Sichuan Normal University, China Wei Zhao --- ABa Teachers University, ChinaLet R be a ring and S be a multiplicative subset of R. Then R is called a uniformly S-Noetherian ring if there exists s ∈ S such that, for any ideal I of R, sI ⊆ K for some... -
Near universal property of a quadratic form of Hessian discriminant 4
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Jesse Ira Deutsch --- , BotswanaA quadratic form is universal if it represents all totally positive integers in a number field. In classical number theory over the rational integers there are some results where a quadratic form takes on all positive integer values except for... -
Oscillation results for nonlinear weakly canonical fourth-order delay differential equations via canonical transform
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Natarajan Prabaharan --- Engineering College, Kavaraipettai, India Ethiraju Thandapani --- University of Madras, India Ercan Tunç --- Tokat Gaziosmanpaşa University, TurkeyBy using canonical transformation technique, we convert the nonlinear weakly canonical fourth-order delay differential equations into strongly canonical equations. Then we apply oscillation results for canonical equations to get similar results for the studied equation. The significance and novelty of... -
Financial innovation, financial inclusion, and enterprise performance: A sectoral analysis
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Bernadin Géraud Comlan Ahodode --- Department of Economic Sciences, University of Abomey-Calavi, Benin Eugène Bertrand Okala Eloundou --- Department of Development Economics, University of Yaoundé II, CameroonThis study analyzed the effects of the use of financial services (financial innovation and financial inclusion) on the enterprises’ performance in Cameroon. Ordinary least squares and logit model estimation methods were used for the empirical analyses. The data used are... -
Information and communication technology and poverty alleviation in Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Freeman Munisi Mateko --- University of Johannesburg, South AfricaThere is a disconnect between the abundant resources at the national level and the severe poverty at individual and household levels in Nigeria. Information and communication technology is an efficient tool that the Asian economies have used to alleviate poverty... -
Integrating “old” truths and “new” evidence to address people's evolving career counselling needs
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree --- University of Pretoria, South AfricaThe article examines the link between career counselling waves, helping models, theoretical foundations, and interventions. An adapted qualitative systematic literature review was conducted to facilitate examination of people's evolving career counselling needs during changes in the workplace with a view... -
Influence of optimal room occupancy strategies on revenue maximisation during slack periods in selected 3- to 5-star hotels in Ghana
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: John Adanse --- School of Business, Economics and Tourism Management, Kenyatta University, Kenya Rosemarie Khayiya --- School of Business, Economics and Tourism Management, Kenyatta University, Kenya Vincent Maranga --- School of Business, Economics and Tourism Management, Kenyatta University, KenyaAn organisation’s inability to generate adequate income to sustain its business activities poses a significant challenge to maintaining profitability. Employing revenue-maximisation strategies is crucial to securing necessary resources and ensuring the continued success and stability of organisations. The purpose of... -
Variation in survival, growth and stem straightness in Eucalyptus urophylla provenances in the Southern Highlands region of Tanzania
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MJ Sangiwa --- Sokoine University of Agriculture, Tanzania SAO Chamshama --- Sokoine University of Agriculture, Tanzania SMS Maliondo --- Sokoine University of Agriculture, Tanzania JN Mwambusi --- Sokoine University of Agriculture, Tanzania RP Mushumbusi --- Tanzania Forestry Research Institute, Tanzania SM Mputa --- Tanzania Forestry Research Institute, TanzaniaLack of quality planting materials has significantly limited productivity and quality of commercial forestry plantations in Tanzania. A provenance/progeny trial of Eucalyptus urophylla was established to test performance in order to select the best planting materials for future plantation activities... -
Conformally related invariant (α, β)-metrics on homogeneous spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Azar Fatahi --- University of Isfahan, Iran Masoumeh Hosseini --- University of Isfahan, Iran Hamid Reza Salimi Moghaddam --- University of Isfahan, IranIn this paper, we give the flag curvature formula of general (α, β)-metrics of Berwald type. We study conformally related (α, β)-metrics, especially general (α, β)-metrics that are conformally related to invariant (α, β)-metrics. Also, a necessary and sufficient condition... -
Almost Yamabe solitons satisfying certain conditions on the associated vector field
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Rahul Poddar --- Sri Sathya Sai Institute of Higher Learning, India Ramesh Sharma --- University of New Haven, USA S. Balasubramanian --- Sri Sathya Sai Institute of Higher Learning, IndiaWe study an almost Yamabe soliton (Mn , g, V, ρ) and obtain various conditions on V in terms of infinitesimal harmonic transformation, 2-Killing, and an inequality, to show that V is Killing. In addition, we have provided characterizations of... -
Do we have the tools for achieving distributive tax justice?
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: James Alm --- Tulane University, USAPurpose: How can tax policies serve as a tool to promote distributive tax justice? The purpose of this study is to discuss several policies that research shows are both feasible and effective in achieving distributive tax justice. -
The effect of digital leadership on employees' radical creativity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jian Zhu --- Xiangtan University, China Yi Luo --- Xiangtan University, China Hui Wang --- Xiangtan University, ChinaDrawing on social information processing theory, this study examined the mediating role of perceived leader expectations (PLE) for creativity and perceived leader support (PLS) for creativity on the relationship between digital leadership (DL) and employees’ radical creativity (RC). A total... -
A fully discrete scheme on piecewise-equidistant mesh for singularly perturbed delay integro-differential equations
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Musa Cakir --- Van Yuzuncu Yil University, Turkey Baransel Gunes --- Van Yuzuncu Yil University, TurkeyThis paper chiefly takes into account the singularly perturbed delay Volterra-Fredholm integro-differential equations by numerically. In this context, firstly, priori estimates are given and a new discretization is constructed on piecewise-equidistant mesh by using interpolating quadrature rules [2] and composite... -
The mediation effect of innovation in the relationship between external knowledge and firm performance in Africa
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Sam Zisuh Njinyah --- Manchester Metropolitan University Business School, United Kingdom Geofry Areneke --- Metropolitan University Business School, United Kingdom Isaac K. Ofori --- Maynooth, Co. Kildare, Ireland Gaelle Lesly Chofor Lepawa --- Manchester Metropolitan University Business School, United KingdomThe purpose of this research is to explore empirically the mediation effect of firm innovation on the relationship between external knowledge and firm performance. Using cross-sectional data from the World Bank Enterprise Survey in ten sub-Saharan African (SSA) countries, a... -
Linking resource mobilization approaches and venture performance in highly resource-constrained environments
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Abiodun Samuel Adegbile --- Birmingham City University, The Curzon Building, United Kingdom Tahiru Azaaviele Liedong --- University of Bath, United Kingdom Heinz-Theo Wagner --- , GermanyDrawing on resource orchestration and social network theories, this study examines the relationships between bricolage, optimization, and new venture performance. We argue that optimization (i.e. standard application of resources acquired from resource markets) increases performance whereas bricolage (i.e. improvisation and... -
Some measure-theoretic aspects of fractal functions: invariant measures and function spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Megha Pandey --- , India Tanmoy Som --- , India Saurabh Verma --- , IndiaBarnsley (1986) introduced the concept of fractal interpolation functions (FIFs). Thereafter, numerous theories have been developed concerning FIFs and their properties. In this article, we explore some measure theoretic aspects of FIFs generated by the method given by Barnsley. We... -
Conformally flat almost cosymplectic 3-manifolds
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Wenjie Wang --- Zhengzhou University of Aeronautics, P.R. ChinaIn this paper, we consider an almost cosymplectic 3-manifold M such that its scalar curvature is invariant along the Reeb vector field. We prove that if the Reeb vector field of M is harmonic, then M is conformally flat if... -
Interrelations between metformin administration and vitamin B12 concentrations in a black South African diabetic cohort: a retrospective cohort analysis
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: B Naidoo --- Greys Hospital, University of KwaZulu-Natal, South Africa S Pillay --- King Edward VIII, South Africa D Wilson --- Edendale Hospital, South Africa -
The impact of innovation on formalization and job creation of informal SMEs in Cameroon: Evidence from the World Bank Enterprise Survey
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Faustine Kede Ndouna --- University of Dschang, Applied Microeconomy Research Centre (REMA), Cameroon Roger Tsafack Nanfosso --- Dschang School of Economics and Management, Research in Applied Microeconomics (REMA), University of Dschang, Cameroon,This study aims to examine the impact of innovation on the formalization and job creation of informal SMEs in Cameroon, using data from the World Bank Enterprise Survey 2016. The study found that while technological innovation increases the chances of... -
Insights into the phylogenetic position of genus Synodontella (Monopisthocotylea) among some other Dactylogyridea gill parasites of African catfishes and the importance of haptoral elements
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Jonathan A Mbondo --- Institute of Agricultural Research for Development (IRAD), Mbalmayo Agricultural Research Centre, Cameroon Dieu ne dort Bahanak --- Institute of Agricultural Research for Development (IRAD), Minko Multipurpose Research Station, Cameroon Etienne D Bassock Bayiha --- University of Yaoundé I, Cameroon Charles F Bilong Bilong --- University of Yaoundé I, CameroonThis work provides new molecular data on seven species representing three genera (Protoancylodiscoides, Schilbetrema and Synodontella) in the order Dactylogyridea. The results help to explain the origin of Synodontella spp. and to elucidate the phylogenetic position of Synodontella in relation... -
A framework for using social media for organisational learning: An empirical study of South African companies
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Harry Moongela* --- University of Pretoria, South Africa Marié Hattingh --- University of Pretoria, South AfricaThis study addresses the gap in the literature in terms of the lack of guidelines for organisations that would like to use social media to facilitate organisational learning (OL). This study presents an overarching conceptual theoretical framework that can assist... -
Performance of Green vis-à-vis Red EU securities
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Ferdinantos Kottas --- National University of Ireland Maynooth, IrelandThis research compares the performance of Green (eco-friendly) versus Red (eco-enemy) returns for EU securities. Green securities are the stocks of companies whose primary business activities focus on being relatively beneficial to the environment, while Red stocks are associated with... -
Norm and relative uniform convergence
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Zili Chen --- Southwest Jiaotong University, China Fu Zhang --- Southwest Jiaotong University, ChinaIn this paper, we show that if H is a Dedekind complete normed Riesz space with the local Egoroff property, then H is lattice isomorphic to an ideal of an AM-space if and only if for any order bounded norm... -
Integration of psychobiography into professional training in clinical and counselling psychology: Strategies and prospects
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Zelda Gillian Knight --- University of Johannesburg, South AfricaPsychobiography or the in-depth interpretation of the life and experiences of a single individual who made a significant impact on society has a long history in academic psychology. In psychological practice, similar methods are often employed to write a case... -
How textual and picture cues influence motor skill learning in short instructional videos: Evidence from eye-tracking experiments
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yue Hu --- Tianjin University of Sport, China Fang Qi --- Tianjin University of Sport, China Yanling Wu --- Tianjin University of Sport, China Pengpeng Yang --- Häme University of Applied Sciences, FinlandThree eye-tracking experiments were designed to determine the influence of textual and graphic cues on motor skill learning in short instructional videos. Experiment 1 (n = 45) manipulated the colour of picture cues (red arrows, white arrows, and without cue)... -
Moving beyond technical competence in 3D printing industry in South Africa: The effect of emotional intelligence and organizational emotional climate in driving job performance
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sampson Afrifa Jnr --- Central University of Technology, South Africa Thywill Cephas Dzogbewu --- Central University of Technology, South Africa Dennis Yao Dzansi --- Central University of Technology, South Africa Deon Johan de Beer --- Central University of Technology, South AfricaThe purpose of this study is to contribute to managerial research in the 3D printing industry in South Africa. Specifically, the study sought to examine the direct and moderating relationships between leader emotional intelligence, leader emotional behaviour, organizational emotional climate,... -
Semi-c-periodicity, c-uniform recurrence and almost automorphy in the complex plane
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: H. Ounis --- University of Alicante, Spain J.M. Sepulcre --- University of Alicante, SpainThis paper is devoted to develop the concepts of semi-c-periodicity, c-uniform recurrence and almost automorphy for functions defined on vertical strips in the complex plane, where c is a non-zero complex number. As an extension of the study performed for... -
On partial endomorphisms of a star graph
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Ilinka Dimitrova --- South-West University “Neofit Rilski”, Bulgaria Vítor H. Fernandes --- Universidade Nova de Lisboa, Portugal Jörg Koppitz --- Institute of Mathematics and Informatics, BulgariaIn this paper we consider the monoids of all partial endomorphisms, of all partial weak endomorphisms, of all injective partial endomorphisms, of all partial strong endomorphisms and of all partial strong weak endomorphisms of a star graph with a finite... -
Local knowledge and uses of the Senegal Parrot Poicephalus senegalus in northern Benin
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Hermann Cyr Toni --- Université Nationale d’Agriculture, Benin Ayékotchami Jacques Dossou --- Université Nationale d’Agriculture, Benin Mèvognon Pacôme Mama --- Université Nationale d’Agriculture, Benin Christel Kenou --- , Benin Agossou Bruno Djossa --- Université Nationale d’Agriculture, BeninHumans rely on several services delivered by biodiversity for their subsistence. Relationships between humans and biodiversity vary among sociocultural groups. Considering the increasing threats on parrot species worldwide, this study assessed local knowledge and uses of the Senegal Parrot Poicephalus... -
Threshold changes in the production potential of bush clumps along piosphere gradients in arid thicket mosaics
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Anton Schmidt --- Nelson Mandela University, South Africa Graham Kerley --- Nelson Mandela University, South Africa Munyaradzi Manjoro --- Sol Plaatje University, South AfricaVarious studies have noted threshold changes in vegetation composition and structure and soil physical and chemical properties in the Albany Thicket biome of South Africa. The aim of this study is to assess if these changes to the environment have... -
The impact of planting dates and hybrid selection on sunflower seed yield and oil content
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Safiah Ma’ali --- Agricultural Research Council–Grain Crops, South Africa Nicolene Cochrane --- Agricultural Research Council–Biometry, South Africa William Makgoga --- Agricultural Research Council–Grain Crops, South Africa Jan Erasmus --- Agricultural Research Council–Grain Crops, South AfricaSuitable planting dates and hybrid selection are crucial in optimising yield, component traits and oil production in sunflower (Helianthus annuus L.). In South Africa, there is limited information on the effects of planting dates on currently available sunflower hybrids in... -
Managerial capabilities and their drivers: Lessons from grain-milling firms in Tanzania
Item type: Journal Article • Journal: Africa Journal of Management • Authors: David Rwehikiza --- University of Dar es Salaam, Tanzania Goodluck Charles --- University of Dar es Salaam, Tanzania Lettice Rutashobya --- University of Dar es Salaam, TanzaniaDespite managerial capabilities being credited for driving business performance, little evidence exists about how those capabilities are acquired. This study investigated managerial capabilities and their drivers in grain-milling firms in Tanzania. Based on a qualitative analysis of ten enterprises, the... -
A systematic literature review of blockchain technology and accounting issues: Is it a hype or hope?
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Aisa Tri Agustini --- University of Jember, Indonesia Jogiyanto Hartono Mustakini --- University of Gadjah Mada, Indonesia -
The cumulative prospect theory and fund flows in emerging markets
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Amit Pandey --- Indian Institute of Technology Roorkee, India Anil Kumar Sharma --- Indian Institute of Technology Roorkee, IndiaThis study is the first to examine the efficacy of the Cumulative Prospect Theory value of the past return (CPTV) to explain fund flow in emerging markets funds by considering the impact of fund managers’ characteristics and behavioural biases on... -
Do changes in star selection criteria affect analyst behaviour?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Karam Kim --- Sungkyunkwan University, Republic of Korea Doojin Ryu --- Sungkyunkwan University, Republic of Korea Jinyoung Yu --- Xi'an Jiaotong-Liverpool University, ChinaThis study examines whether the star analyst selection criteria affect analysts’ coverage decisions and the informativeness of their reports. We focus on a change to the star evaluation criteria that increased the importance of quantitative standards. After the reform, analysts... -
Impacts of analyst coverage initiation on market quality
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Yongsik Kim --- Hankuk University of Foreign Studies, Korea Doojin Ryu --- Sungkyunkwan University, KoreaWe examine whether the initiation of financial analysts’ coverage leads to improved stock-price informativeness and increased market liquidity using the difference-in-differences methodology. The average value of daily total trading volume is significantly higher after than before initiation. The increase in... -
Digital financial management skill training for women’s informal saving groups in Dodoma, Tanzania: Mapping user requirements
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Madina Hamisi Juma --- The University of Eastern Finland, Finland Nasibu Rajabu Mramba --- College of Business Education, Tanzania Jarkko Suhonen --- The University of Eastern Finland, Finland Alsen Florian Kapinga --- College of Business Education, Tanzania Matti Tedre --- The University of Eastern Finland, FinlandFinancial management skills are important for the performance of informal saving groups (ISGs) for making informed financial decision-making. Digital training solutions present a convenient, ubiquitous, and relatively affordable skills development mechanism. Despite the importance of digital financial management skills to... -
Subjective perception of economic policy uncertainty and ESG performance: Evidence from China
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Guangchen Li --- Beijing Wuzi University, China Bokun Hei --- Beijing Wuzi University, China Qianlong Ma --- Beijing Wuzi University, China Haijun Wang --- Beijing Wuzi University, ChinaThis paper explores the relationship between subjective perception of economic policy uncertainty (SPEPU) and ESG performance. We find that SPEPU could deteriorate ESG performance, especially corporate social performance and that this negative effect works through increasing financialization and weakening internal... -
Modification of the Aegilops neglecta - common wheat Lr62/Yr42 translocation through allosyndetic pairing induction
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: G.F. Marais --- Department of Genetics, University of Stellenbosch, Private Bag X1, South Africa A.S. Marais --- Department of Genetics, University of Stellenbosch, Private Bag X1, South Africa A. Eksteen --- Department of Genetics, University of Stellenbosch, Private Bag X1, South Africa Z.A. Pretorius --- Department of Plant Sciences, University of the Free State, South AfricaThe Lr62/Yr42 translocation comprises mostly alien chromatin and retains only the very distal end of wheat chromosome arm 6AL, including the telomere. The large amount of foreign chromatin prohibits commercial use of the resistance and an attempt was therefore made... -
Upward social comparisons on social networking sites (SNSs) and subjective well-being: The mediating role of envy
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yongzhan Li --- Xuchang University, ChinaThis study examined the mediating role of envy in the relationship between upward social comparison on social networking sites (SNSs) and subjective well-being. Participants were 1 078 college students (male = 46.01%, female = 53.99%; freshmen = 27.18%, sophomores =... -
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... -
Gratitude and college students’ school belonging: The mediating role of perceived stress and meaning in life
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Lihua He --- Guangxi University of Chinese Medicine, China Qian Zhang --- Mental Health Education and Counseling Center, Guangxi University of Chinese Medicine, China Yitao WangWe examined the relationship between gratitude and school belonging of college students, and the potential mediating role of perceived stress and meaning in life in such a relationship. Participants were college students (n = 1 691) from 10 universities in... -
How psychological contract breach relates to façades of conformity: The mediating role of emotional labour
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Feng-Hua Yang --- Da-Yeh University, Taiwan Huai-Liang Liang --- Da-Yeh University, TaiwanWe investigated the relationship between psychological contract breach (PCB) and façades of conformity and mediation by surface acting and deep acting. Employees (n = 255) from a large bank in Taiwan were surveyed (female = 58.80%; mean age = 36.30... -
Redescription of Arabella iricolor (Montagu, 1804) with descriptions of two new species from the United Kingdom and South Africa
Item type: Journal Article • Journal: African Zoology • Authors: T Darbyshire --- , Wales, United Kingdom J Kara --- Cape Peninsula University of Technology, South AfricaArabella iricolor (Montagu, 1804) was described with no diagnostic information for the characters used today to distinguish species within the genus. An updated description, together with genetic data, is provided using the holotype in conjunction with additional specimens collected at... -
The mediating role of transformational leadership in the relationship between institutional pressures and collaboration with commercialization of university research output: A pilot study
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Gregory Tweheyo --- Bustema University, Uganda Ernest Abaho --- Makerere University Business School, Uganda Anju M. Verma --- Texila American University, Guyana Ibrahim Musenze --- Bustema University, UgandaThe purpose of this study is to lay emphasis on Uganda’s universities in light of the examination of how institutional pressures and collaboration influence the commercialization of university research output with the mediating role of transformational leadership. Data were collected... -
Leveraging forums as a catalyst for innovation: Driving progress through communities of practice
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Priviledge Cheteni --- University of Fort Hare, South Africa Ikechukwu Umejesi --- University of Fort Hare, South AfricaInnovation is a key indicator of growth in a country. South African rural areas increasingly embrace innovation through community of practice (CoP). The study’s main objective was to investigate whether forums can be used as drivers of innovation in the... -
Taylor theory in quantum calculus: a general approach
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Enas M. Shehata --- Menoufia University, Egypt Rasha M. El Zafarani --- Ain Shams University, EgyptLet the function β be strictly increasing and continuous on an interval I ⊂ ℝ. The β-difference operator is defined by Dβ f (t) = (f(β(t)) − f(t)/(β(t) – t), where t ≠ β(t), and Dβ f (t) = f′... -
The effects of financial performance and corporate social responsibility on integrated reporting: The case of listed firms in Nigeria
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Ini Etete Udofia --- University of Lagos, Nigeria Collins Sankay Oboh --- University of Lagos, NigeriaThis study investigates the impact of financial performance (FP) and corporate social responsibility (CSR) on integrated reporting (IR) of listed firms in Nigeria during the 2013–2022 period. Using a set of 630 firm-year observations over ten years, this study establishes... -
Factors influencing the quality of financial information: A systematic literature review
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Masidivinga Landu --- University of Aveiro, Portugal Jorge H. Mota --- , Portugal António Carrizo Moreira --- , Portugal Ana Maria Bandeira --- Porto School of Accounting and Business (ISCAP), Polytechnic of Porto (P.PORTO); Center for Organisational and Social Studies (CEOS.PP), PortugalPurpose: This research seeks to identify the key factors influencing the quality of financial information within the context of globalisation and complex commercial transactions. -
Corporate social responsibility and firm performance: Evidence from Korea
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Wonhee You --- Sungkyunkwan University, Korea Jens Müller-Merbach --- , Germany Doojin Ryu --- Sungkyunkwan University, KoreaThis study explores the relationship between corporate social responsibility (CSR) and corporate financial performance (CFP) in listed Korean companies over ten years. The results show a significant positive effect of CSR on CFP in the manufacturing sector, but no notable... -
Unlocking Northern Cyprus: innovations in destination management for enhanced tourism experiences
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Sima Rahimizhian --- Eastern Mediterranean University, Türkiye Foad Irani --- Final International University, TürkiyeThe tourist sector is currently one of those that has paved the way in the application of intelligent communication and information technology. Intelligent information systems can significantly contribute to the continued growth of the tourist business, particularly virtual tourism, given... -
Exploring the impact of drivers and barriers of augmented reality on construction lifecycle in the Nigerian construction industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Taofeek Tunde Okanlawon --- Federal University of Technology, Nigeria Abdulkabir Opeyemi Bello --- Federal University of Technology, Nigeria Luqman Oyekunle Oyewobi --- Federal University of Technology, Nigeria Samuel Olufisayo Ogunjimi --- University of Ibadan, Nigeria Aliyyu Abiola Abdulraheem --- University of Abuja, Nigeria Richard Ajayi Jimoh --- Federal University of Technology, NigeriaIndustry 4.0 marks a shift from traditional approaches to production, construction and human interactions towards a digital environment in which machinery and people work together seamlessly. This transformative wave brings together advanced technologies such as Augmented Reality (AR), transforming the... -
Dialoguing hunger and survival during the Zimbabwe COVID-19 lockdowns through WhatsApp jokes
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Hugh Mangeya --- Midlands State University, Zimbabwe Ashton Mudzingiri --- Midlands State University, ZimbabweThis article analyses the dialogue on hunger and survival issues emanating from viral COVID-19-induced jokes circulated via WhatsApp during Zimbabwe’s consecutive lockdowns. The lockdowns were part of public health measures to curb the spread of COVID-19. They, however, disrupted the... -
Adaptive grid based moving mesh algorithms for singularly perturbed second-order Volterra integro differential equations
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Sushree Priyadarshana --- Centre for Data Science, Institute of Technical Education and Research, SOA Deemed to be University, India Ajaya Padhan --- National Institute of Technology Rourkela, India Jugal Mohapatra --- National Institute of Technology Rourkela, IndiaRobust adaptive grid-based moving mesh algorithms are discussed for singularly perturbed second-order convection-diffusion type Volterra integro differential equations. Two different kinds of monitor functions are used to establish the numerical schemes. A well-studied first-order monitor function is used to construct... -
Banaschewski compactifications via special rings of functions in the absence of the Axiom of Choice
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Alireza Olfati --- Yasouj University, Iran Eliza Wajch --- University of Siedlce, PolandFor a topological space is the ring of all continuous real functions f on X such that, for every real number ϵ > 0, there exists a countable clopen cover of X such that the oscillation of f on each... -
Cash holding, risk-taking behavior and financial performance of non-financial firms listed in sub-Saharan Africa Securities Exchanges
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Brian Ochieng Aluora --- University of Embu, Kenya Samuel Nduati Kariuki --- University of Embu, Kenya Peter Njagi Kirimi --- University of Embu, KenyaThe study examined the linkage between cash holding, risk-taking and financial performance of listed non-financial corporations using the two-step system GMM method. GMM's outcome was then compared across the agricultural, manufacturing and construction industries. Cash holding and risk-taking had a... -
When and how does creativity influence performance? An examination of SMEs in an emerging economy
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Ahmed Agyapong --- Kwame Nkrumah University of Science and Technology, Ghana Felicity Asiedu Appiah --- Kwame Nkrumah University of Science and Technology, Ghana Hannah Vivian Osei --- Kwame Nkrumah University of Science and Technology, Ghana Suzzie Aidoo --- York St John University, UKUnderpinned by the resource-based view and social capital theories, this study examines the mediating role of innovation in the relationship between creativity and the performance of SMEs in an emerging economy. We propose additionally that the innovation created through the... -
Factor conditions and firm resources implications on location attractiveness: A critical assessment and application in shared services industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Anbalagi Andy --- Universiti Malaya, Malaysia Rajenthyran Ayavoo --- Universiti Malaya, Malaysia Aida Idris --- Universiti Malaya, MalaysiaThis paper presents an integrated analytical framework by critically synthesizing the Porter-Dunning Diamond and the Resource-Based View (RBV) to evaluate the attractiveness of locations for multinational enterprises (MNEs). The framework was applied to Malaysian shared services firms to explore the... -
Rota-Baxter operators on filiform Lie algebras
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Behavioural responses to air temperature change in helmeted guineafowl Numida meleagris
Item type: Journal Article • Journal: African Zoology • Authors: Johann H van Niekerk --- University of South Africa, South Africa Marta Rodríguez-Rey --- Universidad de Alcalá, Forest Ecology and Restoration Research Group (FORECO), Spain Fabián Casas --- Universidad de Granada, Spain Giovanni Forcina --- Global Change Ecology and Evolution Research Group (GloCEE)/Soil Biology and Subterranean Ecosystems Research Group (GIBSES), SpainDeciphering the behavioural responses of helmeted guineafowl Numida meleagris (Linnaeus, 1758) to temperature variation is key to understanding its eco-ethology and implementing sound management strategies. Here, we tested the ‘warmer together’ hypothesis, which states that thermoregulatory cost reduction (i.e. body... -
Characterizations of *-Ricci-Bourguignon solitons and contact Ricci-Bourguignon almost solitons
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Sourav Nayak --- Indian Institute of Technology – Hyderabad, India Dhriti Sundar Patra --- Indian Institute of Technology – Hyderabad, India Hemangi Madhusudan Shah --- Harish-Chandra Research Institute, A CI of Homi Bhabha National Institute, IndiaIn this paper, we first study *-Ricci-Bourguignon solitons (in short, *-RB solitons) and find their geometric characterizations on Sasakian manifolds. We show that if a Sasakian metric g admits a non-trivial *-RB soliton, then it is -homothetically fixed null η-Einstein... -
E.K.K. Matlala: mongwadi wa ditaodišosengwalo tša mathomo tša Sepedi
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Francinah Mokgobo Kanyane --- University of Pretoria, South Africa Mawatle Jerry Mojalefa --- University of Pretoria, South AfricaMaikemišetšo a nyakišišo ye ke go rarolla mathata a thulaganyo ya ditaodišo tša Matlala. Nyakišišo e babaletše go laetša bohlokwa le bokgoni bja Matlala go ngwalweng ga ditaodišosengwalo tša Sepedi, le ka fao a di rulagantšego ka gona go ya... -
On the sum of annihilators in nearrings
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Nastaran Naseripour --- Shahrood University of Technology, Iran Ebrahim Hashemi --- Shahrood University of Technology, Iran Mahsa Paykanian --- Shahrood University of Technology, IranA ring is termed a left IN-ring if the right annihilator of the intersection of any two left ideals is equal to the sum of their right annihilators. As a generalization of left IN-ring, a ring is called a right... -
Leveraging learning orientation for superior organizational performance: The role of firm-specific factors
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Henry Kofi Mensah --- Kwame Nkrumah University of Science and Technology, Ghana Gilbert Anyowuo Okyere --- Kwame Nkrumah University of Science and Technology, Ghana Emmanuel Kwabena Anin --- Kumasi Technical University, Ghana Phyllis Adjei Tuffour --- Kwame Nkrumah University of Science and Technology, GhanaExtant literature recognizes organizational learning orientation (LO) as a critical resource, yet the mechanisms and conditions under which it translates into superior performance remain underexplored and often assumed. We draw on Resource-Based View (RBV) and dynamic capability frameworks to develop... -
Challenging the bottom-of-the-pyramid narrative in Africa: A cross-cultural management perspective on the impact of mobile money
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Terence Jackson --- Middlesex University, UK Ellis L.C. Osabutey --- Northumbria University, UKThe “bottom-of-the-pyramid” (BoP) narrative underpins the introduction of fintech initiatives such as mobile money into Africa’s largely informal economies by multinational enterprises (MNEs) often endorsed by the international development community. This is claimed to enhance financial inclusion and enterprise development... -
Real earnings management practices and financial performance: The moderating role of whistleblowing policy
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Sulaiman Ademola Oreshile --- Lagos State University, Nigeria Yusuf Adeneye --- Universiti Malaysia Kelantan, Malaysia -
Location matters: Market reactions to South African corporations’ cross-border transactions
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Werner Mennen --- University of Cape Town, South Africa Ryan Kruger --- University of Cape Town, South Africa Eden Gross --- University of the Witwatersrand, South AfricaWe evaluate the market reaction to 320 cross-border transactions (CBTs) by South African-listed corporations from January 2005 to June 2024. The sample is divided according to the development state of the target company’s country and the currency of the target’s... -
The bias of IID resampled backtests for rolling window mean-variance portfolios
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Andrew Paskaramoorthy --- Department of Statistical Sciences, University of Cape Town, South Africa Terence van Zyl --- University of Johannesburg, South Africa Tim Gebbie --- Department of Statistical Sciences, University of Cape Town, South AfricaBacktests on historical data are fundamental for evaluating portfolio selection rules, but their reliability is often limited by reliance on a single sample path. This reliance can lead to high estimation variance. IID resampling offers a potential solution by increasing... -
Diet composition of the Marsh Owl Asio capensis at the Merja Zerga coastal lagoon, northwestern Morocco
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Abdeslam Rihane --- Regional Center for Education and Training (CRMEF) Casablanca-Settat, Morocco Sidi Imad Cherkaoui --- Institut Scientifique, Research Center: Geophysics, Natural Patrimony and Green Chemistry (GEOPAC), MoroccoThe diet of the Marsh Owl Asio capensis (family Strigidae) was examined at Merja Zerga coastal lagoon and wetland on the Gharb Plain, northwestern Morocco. The analysis was carried out on several small batches of regurgitated pellets, collected in January... -
Nil Modules and the Envelope of a Submodule
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: David Ssevviiri --- Makerere University, Uganda Annet Kyomuhangi --- Busitema University, UgandaLet R be a commutative unital ring and N be a submodule of an R-module M. We show that: 1) the semiprime radical is an invariant on submodules generated by the ascending chain of envelopes of a given submodule; 2)... -
Rayleigh quotients of Dillon’s functions
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Aditi Kar Gangopadhyay --- Indian Institute of Technology Roorkee, India Sugata Gangopadhyay --- Indian Institute of Technology Roorkee, India Mansi Goyal --- Indian Institute of Technology Roorkee, India Aleksandr Kutsenko --- Novosibirsk State University, Russia Bimal Mandal --- Indian Institute of Technology Jodhpur, IndiaThe Walsh-Hadamard spectrum of a bent function uniquely determines a dual function. The duality mapping is the only isometric mapping on the set of bent functions apart from its automorphisms that preserve bentness. The Hamming distance between a bent function... -
Digital transformation and goodwill impairment
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Yan Zhao --- Beijing Wuzi University, China Honglin Liu --- Wuhan Textile University, China Libin Zhao --- Wuhan Textile University, China Wei Zhang --- Wuhan Textile University, ChinaWe utilise a sample M&A listed on the Chinese A-shares market between 2008 and 2021. Our focus is specifically on A-share listed companies that acted as acquiring firms. We conduct an empirical analysis to investigate how their digital transformation influences... -
Text-mining approach with Black–Litterman model: A case study of Armenian pension funds
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Ruben Gevorgyan --- Head of Data Science for Business Master Program at Yerevan State University, Armenia Rita Hovhannisyan --- Yerevan State University, ArmeniaPension fund managers face challenges in acquiring, analysing, and synthesising external information to make informed investment decisions. Text-mining and sentiment analysis can aid fund managers integrate contrasting news, financial data, and market speculation into their decision rubric. Considering Armenia pension... -
Financial analysts’ information role on brand capital
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Yifei Chen --- Southwestern University of Finance and Economics, China Dan Palmon --- , USA Li Zhang --- , USASelf-created intangible assets are crucial in firm valuations but are difficult for investors to evaluate because they are not recognised in financial statements. This study examines whether sell-side financial analysts contribute to the market’s understanding of the value of brand... -
Mutual fund shareholdings and performance: A network perspective
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Bing Li --- University of Shanghai for Science and Technology (USST), China Jiancheng Lin --- University of Shanghai for Science and Technology (USST), China Yaopeng Wang --- University of Shanghai for Science and Technology (USST), ChinaMutual fund shareholdings build up complex relations between funds and can impact fund performance as well. We focus on the Chinese mutual fund market to examine the relationship between mutual fund shareholdings and performance. Specifically, we describe the complex shareholding... -
Can good ESG performance help companies resist external shocks?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Xin Yang --- Nanfang College, China Ahmad Fahmi Sheikh Hassan --- Universiti Putra Malaysia, Malaysia Yusuf Karbhari --- Cardiff University, UKIn order to validate the varied conclusions regarding the integration of corporate ESG practices by investors during external shocks, this study utilises the COVID-19 crisis as a specific external shock. The findings from our difference-in-differences methodology suggest that companies demonstrating... -
Nairobi’s Marginal Postcolonial Homes: The House Signifier in Meja Mwangi’s Fiction
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Jairus Omuteche --- Masinde Muliro University of Science and Technology, KenyaThis paper uses Meja Mwangi’s novels Cockroach Dance and Going Down River Road to assess the author’s portrayal of ‘house’ as a versatile signifier for the alienation of Nairobi’s postcolonial urban space. In other words, the paper examines how far... -
An overview of Xitsonga reduplication constructions
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Lebogang Steven Shirindzi --- University of Venda, South Africa Arnold Mushwana --- University of South Africa, South AfricaWord-formation processes leading to abbreviations such as clipping, blending and acronyms occur only partially, or do not occur at all, in Xitsonga. In constrast, one of the most productive word-formation processes in Xitsonga is reduplication. Several studies have been conducted... -
Exploring the interplay of local language(s) and transformation to facilitate communication and change in (South) Africa
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Mogomme Alpheus Masoga --- University of the Free State, South Africa Allucia Lulu Shokane --- University of Zululand, South AfricaThis research explores local language(s) and transformation as key facilitators of a dynamic interplay between the power of communication and the capacity for change. It is argued that language serves as a multifaceted tool that not only conveys thoughts and... -
Antecedents of purchase intentions in digital marketing: A case of TikTok shop
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ainiezean Awang Jual --- Politeknik Kota Kinabalu, Malaysia Anbukkarasu Paramasivam --- Politeknik Kota Kinabalu, Malaysia Silllalee S. Kandasamy --- Faculty of Arts and Social Sciences University Malaya, Malaysia Parvathi Wajindram --- Faculty of Arts and Social Sciences University Malaya, Malaysia Elayaraja Aruchunan --- University Malaya, MalaysiaThis study investigates the antecedents of purchase intentions on TikTok Shop, utilizing Uses and Gratification (U&G) Theory to analyze the impact of entertainment, informativeness, cost savings and attractiveness on student purchase intentions. The study gathered responses from 357 students through... -
Innovating financial metrics for SME development: A factor-based analysis of Chinese enterprises
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Jiaqi Wang --- Universiti Malaya, Malaysia Wee-Yeap Lau --- Universiti Malaya, Malaysia Angathevar Baskaran --- Universiti Malaya, MalaysiaThis study investigates the role of innovative financial performance metrics in promoting the sustainable development of small and medium-sized enterprises (SMEs) in China. Responding to the limitations of single-indicator financial assessments, the research develops a composite Financial Performance Evaluation (FPE)... -
Exploring the strategies shaping application programming interface development and integration in digital music platforms: A qualitative case study
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Joshua Ofoeda --- University of Professions Studies, Ghana Richard Boateng --- University of Ghana, Ghana Choudrie Jyoti --- University of Hertfordshire, UK John Effah --- University of Ghana, GhanaApplication Programming Interfaces (APIs) have become essential to contemporary software development, supporting the growth of digital platforms and ecosystems. APIs enable developers to create applications by providing functionalities that facilitate communication. Despite their importance in supporting digital platforms and ecosystems,... -
Does financial technology and innovation promote bank performance? Evidence from COMESA member countries
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Charles O. Manasseh --- University of Nigeria, Nigeria Chi Aloysius Ngong --- University of Bamenda, Cameroon Chidiebere Jude Anago --- University of Nigeria, Nigeria Nnenna G. Nwonye --- University of Nigeria, Nigeria Paul C. Obidike --- Institute of Management & Technology, Nigeria Felicia C. Abada --- University of Nigeria, Anuli R. Ogbuagu --- University of Nigeria, NigeriaThis study examines the impact of financial technology and innovation on bank performance in the Common Market for Eastern and Southern African from 1997 to 2022. Previous studies provide inconsistent results on the impact of financial technology and innovation on... -
GeoHostel: Location-based recommendation of hostels in the context of higher education through geospatial technology
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Nana Yaw Asabere --- Accra Technical University, Ghana Gare Lawson --- Raycom Technologies, Ghana Bernice Quartey-Papafio --- Ghana Police Service, Ghana Marcellinus Kuuboore --- University of Professional Studies, Ghana Nana Yaw Duodu --- Accra Technical University, GhanaAn efficient data management system is essential in the field of student housing to guarantee the availability of high-quality data that can make it easier to find appropriate hostels. Although recommender systems concerning hotels and tourism points of interest (POI)... -
The integration of physical and digital experiences in ecotourism
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: I Nengah Subadra --- University of Triatma Mulya, IndonesiaThe integration of physical and digital experiences in ecotourism is reshaping ecotourism by enhancing visitor engagement and advancing sustainability practices. This study employs a grounded theory approach to investigate the impact of technologies such as augmented reality, virtual reality and... -
Comparing the activity of exploited and unexploited populations of a reef-dwelling seabream, Chrysoblephus laticeps, during an extreme upwelling and cold-spell event
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: NT Mlotshwa --- Rhodes University, South Africa MR Skeeles --- Rhodes University, South Africa MI Duncan --- Rhodes University, South Africa C Muller --- Rhodes University, South Africa WM Potts --- Rhodes University, South Africa AC Winkler --- Rhodes University, South Africa A-R Childs --- Rhodes University, South AfricaAlong the south coast of South Africa, extreme upwelling events lead to rapid temperature declines and prolonged marine cold-spells, which have, on occasion, led to large-scale mortalities of coastal fishes. In a somewhat antagonistic process, fishing exploitation has been shown... -
Management entrenchment: Determinants and impact on firm performance of French listed companies
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: Mounir Jaouadi --- Arab Open University, Kingdom of Saudi Arabia Amira Feidi --- University of Tunis El-Manar, Tunisia -
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... -
The impact of ESG ratings on analysts’ information processing: Evidence from China
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Lin Li --- Central University of Finance and Economics, China Meng Chen --- Central University of Finance and Economics, China Guoping Li --- Central University of Finance and Economics, ChinaBased on data from Chinese A-share listed companies from 2009 to 2022, this study explores the relationship between ESG external ratings and analyst attention by quantifying the weight that analysts place on old information when releasing financial performance forecasts. The... -
Are analyst forecasts more value relevant than reported earnings? Evidence from seasoned equity offerings
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Jingwen GE --- ESSCA School of Management, France Hassan Raza Kazmi --- , FranceUsing the Vuong test, we compare the value-relevance of analyst forecasts with that of reported earnings around Seasoned Equity Offerings (SEOs), where upward earnings management is common. Using a sample of 1,683 SEOs from 2000–2016 by 1,125 European firms, we... -
Mobile money usage and performance of women-owned enterprises: Evidence from Kenya
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Tesfaye T. Lemma --- Towson University, USA Mthokozisi Mlilo --- University of the Witwatersrand, South AfricaThe rapid expansion of digital financial services has sparked discussions about their potential to help financially constrained businesses overcome performance challenges. We investigate whether female-owned businesses, which are often more financially constrained than male-owned businesses, could reduce their performance gap... -
On power sums of Fourier coefficients of cusp forms
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Huafeng Liu --- Shandong Normal University, China Jingyang Lü --- Shandong Normal University, ChinaWe denote by λ f (n) the n-th normalized Fourier coefficient of primitive holomorphic cusp form of even integral weight k ≥ 2 for the full modular group SL(2,). In this paper, we prove asymptotic formulae for l-th power sums... -
The self-reported influence of social media on food choices of young adults at a tertiary institution in South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: M Kreft --- Stellenbosch University, Stellenbosch, South Africa, C Lombard --- Stellenbosch University, Stellenbosch, South Africa, N Koen --- Stellenbosch University, Stellenbosch, South Africa, -
Mobile financial services and performance of business in the informal economy
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Benjamin Bisimwa Cisagara --- University of Latvia, LatviaThe rapid growth of mobile financial services in emerging economies presents a vital opportunity to assess their impact on informal business performance, yet current empirical evidence remains mixed. Utilizing mixed methods, including quantitative analysis of the World Bank's 2023 Informal... -
An efficient hybrid transform algorithm for image compression using a matrix rank-based optimization approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: D. Linett Sophia --- Erode Sengunthar Engineering College, India S. Kavitha --- Nandha Engineering College, IndiaThe digital images play a major part in variety of fields such medical, satellite, remote sensing, etc. Advancements in information technology have resulted in a huge number of digital images to be stored and transmitted. Since the demand for storage... -
Language of instruction and its influence on educational outcomes and cultural inclusion in Ethiopia: A systematic review
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Tamene Deysmi Geremew --- University of Pécs, Hungary Steklács János --- University of Pécs, HungaryModern education in Ethiopia began in 1908, and the curriculum predominantly used both Amharic and foreign languages as media of instruction. In 1994, the Ethiopian Education and Training Policy announced a multilingual educational model for political and pedagogical benefits. Despite... -
Grazing smarter: science-based grazing strategies, not only stocking rate, determine rangeland outcomes
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Richard Fynn --- Okavango Research Institute, University of Botswana, Botswana Kevin Kirkman --- School of Agriculture and Science, University of KwaZulu-Natal, South Africa Craig Morris --- School of Agriculture and Science, University of KwaZulu-Natal, South Africa Peter Zacharias --- Consultant in Vegetation/Animal Systems, South AfricaResearch indicates a ‘crisis’ in the search for optimal grazing strategies with experimental results suggesting that stocking rate is the primary factor influencing rangeland condition and cattle performance. However, we contend that this is a spurious conclusion, inevitably conceived by... -
The role of green innovation in mediating green supply chain and CSR impacts on hospitality firm performance: Evidence from Ghana
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Mohammed Majeed --- Tamale Technical University, Ghana Esther Asiedu --- Ghana Communication Technology University, Ghana Iddrisu Sulemana --- Tamale College of Education, Ghana Aidatu Abubakari --- Wisconsin International University College, Ghana Ahmed Sakara --- Tamale Technical University, GhanaThis study examines the impact of green supply chain management (GSCM) and corporate social responsibility (CSR) on the performance of hospitality firms in Ghana, using stakeholder theory and considering green innovation (GI) as a mediating factor. A quantitative survey of... -
Knowledge sharing, innovation capability, and organizational performance in emerging markets: Empirical evidence from SMEs in Ghana
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Asiamah Yeboah --- Kumasi Technical University, GhanaDespite its importance, knowledge sharing as a driver of organizational performance in small and medium-sized enterprises (SMEs) within emerging markets has received limited scholarly attention. Grounded in the resource-based view and knowledge-based view of the firm, this study investigates the... -
The first record of the tropical tramp millipede Orthomorpha coarctata (de Saussure, 1860) in Cameroon (Diplopoda: Polydesmida: Paradoxosomatidae)
Item type: Journal Article • Journal: African Zoology • Authors: Peter Decker --- , Germany Armand Richard Nzoko Fiemapong --- Laboratoire de Zoologie, Université de Yaoundé I, Cameroon Hans S Reip --- Senckenberg Museum of Natural History Görlitz, Germany Samuel Didier Makon --- Laboratoire de Zoologie, Université de Yaoundé I, Cameroon Paul Serge Mbenoun Massé --- Laboratoire de Zoologie, Université de Yaoundé I, CameroonThis study reports the first record of the flat-backed millipede Orthomorpha coarctata (de Saussure, 1860) in Cameroon, and the second for Central Africa. Specimens were collected between 2014 and 2025 at nine localities in anthropogenic habitats, such as agricultural fields... -
Hybrid k-means–kNN approach for predicting student performance based on library usage behaviours: A case study in Tanzanian higher education
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Hussein Bakiri --- The Institute of Finance Management (IFM), Tanzania Rose Tinabo --- The Institute of Finance Management (IFM), TanzaniaThe complex relationship between student participation and resource usage is frequently missed by traditional predictors of academic performance, such as past academic records and demographic data. These predictors have limited insight into real-time learning behaviours and often act as lagging... -
Cauchy approachable functions and spaces
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Pratulananda Das --- Department of Mathematics, Jadavpur University, India Sujan Khna --- Department of Mathematics, Jadavpur University, India Sudip Kumar Pal --- Department of Mathematics, Diamond Harbour Women’s University, IndiaIn the context of functions between metric spaces, we introduce a new class of functions which we called Cauchy approachable function which happens to lie between the classes of continuous functions and Cauchy regular functions. A significant characteristic of these...
