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Quantitative description of woody plant communities: Part I. An approach
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: G.N. Smit --- Department of Agriculture and Water Supply (Transvaal Region), Republic of South AfricaVarious descriptive units for woody plant communities are proposed. These are the Evapotranspiration Tree Equivalent (ETTE), Browse Tree Equivalent (BTE) and Canopied Subhabitat Index (CSI), which describe the status of a woody community in terms of potential moisture use, value... -
The primary site of aluminium injury in the root of Zea mays L.
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: R.J. Bennet --- Department of Agriculture, C.M. Breen --- Department of Botany, M.V. Fey --- Department of Soil Science and Agrometeorology,Histoohemioal and ultrastructural studies of aluminium-induced changes in root metabolism and the structure of the cytoplasmic organelles of the root cap indicated that the first observable effect of aluminium involved the migration of secretory vesicles of the Golgi apparatus which... -
'n Nuwe benadering tot die bepaling van hitte-eenhede vir sonneblom
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: H.L. Loubser --- ,Die konvensionele metode vir die bepaling van hitte-eenhede is vergelyk met 'n nuwe benadering. Data uit sewe kultivarproewe insluitende daaglikse maksimum en minimum temperature is gebruik om die hitte-eenhedevereistes van drie kultivars te bepaal. Twee vergelykings is gebruik, een verteenwoordig... -
Typifying late-season weather for maize yield prediction
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: B. St. E. Clemence --- , Republic of South Africa J.B. Mallett --- , Republic of South AfricaLong-term weather data were used to generate typical weather records. By substituting typical weather data for actual late-season weather data it was possible to compute yield predictions using the model CERES-Maize, and compare these with predictions based on full season... -
Watervlakke in sekere gronde van die Noordwestelike Oranje-Vrystaat
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J. A.G. Henning --- , Republiek van Suid-Afrika D.J. Nel --- Departement Bodemkunde, P.U. vir C.H.O., Republiek van Suid-AfrikaDie akkumulasie van vrywater in sekere gronde in die Noordwestelike Oranje-Vrystaat word geassosieer met verskillende tipes stadig-deurlaatbare lae (keerlae). Voorlopige ondersoeke het aangetoon dat die langtermyn-storing van water verskil tussen twee tipes keerlaag, naamlik 'n kleilaag en 'n harde plintiese... -
Development of a simple empirical model for predicting maize yields in a semi-arid area
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: T.B. Zere --- Department of Soil, Republic of South Africa C.W. van Huyssteen --- Department of Soil, Republic of South Africa M. Hensley --- Department of Soil, Republic of South AfricaA yield prediction model is necessary, together with long-term climate data, to calculate the long-term yields needed for making a quantitative productivity evaluation of a crop ecotope in the form of a cumulative probability function (CPF). In this study the... -
Nature and distribution of South African plinthic soils: Conditions for occurrence of soft and hard plinthic soils
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P. A.L. le Roux --- Department of Soil, Crop and Climate Sciences, Republic of South Africa C.C. du Preez --- Department of Soil, Crop and Climate Sciences, Republic of South AfricaThe relevance of using redox morphology and irreversible hardened material to classify soft and hard plinthic soil forms is often questioned as the paleoclimate of South Africa varied significantly. Since the origin of the Soil Classification System of South Africa... -
Soil properties changes after short-term livestock exclusion in “degraded” communally managed rangelands in the western Bophirima District, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: A.S. Moussa --- , South Africa L. Van Rensburg --- , South Africa K. Kellner --- , South AfricaLivestock grazing and detrimental overgrazing are commonly associated with severe rangeland degradation particularly in communally managed pastoral systems in South Africa. Effects of grazing exclusion on vegetation are well documented, but there is a dearth of quantitative research conducted in... -
Advances in pedology in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: P.A.L. le Roux --- Department of Soil, Crop and Climate Sciences, M. Hensley --- Department of Soil, Crop and Climate Sciences, C.W. van Huyssteen --- Department of Soil, Crop and Climate Sciences,The ability of soil to serve as a unique buffer of water, organic carbon, nutrients, pH, redox and temperature is recognised in environmental research. A detailed study on hardpan carbonate and dorbank horizons in the commonly occurring ‘heuweltjies’ of the... -
Soil indicators of hillslope hydrology in the Bedford catchments, South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: J.J. van Tol --- Department of Soil, Crop and Climate Sciences, South Africa P.A.L. Le Roux --- Department of Soil, Crop and Climate Sciences, South Africa M. Hensley --- Department of Soil, Crop and Climate Sciences, South AfricaWater plays a primary role in soil genesis and soil strongly influences hydrological processes (flowpaths, residence times and storage). Morphological soil properties serve as indicators of hillslope hydrological behaviour and can facilitate hydrological predictions. Three catchments in the Bedford district... -
Evaluating the Streif index against commercial subjective predictions to determine the harvest date of apples in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Elmi Lötze --- Department of Horticultural Science, South Africa Oloff Bergh --- , South AfricaFor the local deciduous fruit industry, which mainly exports fruit, determination of the optimum physiological harvest maturity for apples to ensure high fruit quality after long-term storage is still an important goal. This is performed by a subjective determination based... -
HETEROTROPHIC UTILIZATION OF ACETATE AND GLUCOSE IN SWARTVLEI, SOUTH AFRICA
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: RichardD. Robarts --- , South AfricaThe utilization of dissolved organic compounds in Swartvlei was measured by the addition of single concentrations of 14C-labelled acetate and glucose to water samples, The results indicated acetate uptake was greatest in the aerobic zone while glucose was predominantly utilized... -
ZOOPLANKTON AND ENVIRONMENTAL CONDITIONS IN GROENVLEI, SOUTHERN CAPE, DURING 1976
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: D.J. Coetzee --- Cape Department of Nature and Environmental Conservation, South AfricaThe zooplankton and environmental conditions in Groenvlei were studied during 1976 as part of an overall ecological study of the zooplankton of the Wilderness Lakes system. The Groenvlei water was found to be well mixed and low in dissolved PO4−P,... -
ZOOPLANKTON DISTRIBUTION IN RELATION TO ENVIRONMENTAL CONDITIONS IN THE SWARTVLEI SYSTEM, SOUTHERN CAPE
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: D.J. Coetzee --- Cape Department of Nature and Environmental Conservation, South AfricaSwartvlei is an ectogenic meromictic coastal lake connected to the sea via an estuary which closes periodically due to the formation of a sand bar across its mouth. The inflow of high-salinity water water from the sea into the lake... -
ZOOPLANKTON AND ESTUARINE RELICT (BENTHIC) FAUNA IN LAKE MZINGAZI, A FRESHWATER COASTAL LAKE OF NATAL
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: B.K. Fowles --- , South Africa C. G.M. Archibald --- , South AfricaLake Mzingazi, a natural, undisturbed freshwater coastal lake in the heart of the Richards Bay municipal area, is threatened by rapid urban and industrial growth. The previously unrecorded composition and distribution of zooplankton in the lake was studied during 1979... -
DISTRIBUTION AND ABUNDANCE OF THE BENTHOS IN THE SEDIMENTS OF LAKE CUBHU: A FRESHWATER COASTAL LAKE IN ZULULAND SOUTH AFRICA
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: D.P. Cyrus --- Coastal Research Unit of Zululand, Department of Zoology, South Africa T.J. Martin --- Coastal Research Unit of Zululand, Department of Zoology, South AfricaA preliminary investigation of the macrobenthic invertebrates of the sediments of Lake Cubhu, a freshwater coastal lake near Richards Bay was conducted on a quarterly basis during 1987. The most important factor which determined the abundance and distribution of each... -
PRELIMINARY OBSERVATIONS ON THE MACROCRUSTACEA OF COASTAL LAKES IN THE VICINITY OF RICHARDS BAY, ZULULAND, SOUTH AFRICA
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: P.E. Reavell --- Department of Botany, South Africa D.P. Cyrus --- Coastal Research Unit of Zululand, Department of Zoology, South AfricaA limited amount of research has been carried out on the four coastal lakes in the Richards Bay area. Due to the impending threat of water pollution from industrial, mining and residential areas within the catchments of these lakes there... -
Maasai Mara — an ecosystem under siege: an African case study on the societal dimension of rangeland conservation
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: John Waithaka'Let me assure you all that our commitment to the preservation of wildlife and the habitat in the Maasai Mara reserve is total. We do not deny that the reserve is of vital economic importance to us, but we also... -
Analysis of factors affecting milk yield of Ankole cows grazed on natural range pastures in Uganda
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: S Okello EN Sabiiti HJ SchwartzEffects of seasonal rainfall (RF) and maximum temperature (Tm) variations on milk yield of Ankole cows grazed solely on range pastures were investigated. The resulting changes in herbage growth (HG), herbage yields (HY), herbage crude protein (CPh) and neutral detergent... -
Factors affecting in sacco dietary degradation by Ankole cattle grazing natural range pastures in Uganda
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: S Okello EN Sabiiti HJ SchwartzThe in sacco disappearance of dietary dry matter after 48h of incubation in the rumen (DMd) was examined for its relationship with seasonal changes in neutral detergent fibre (NDFd), crude protein (CPd), cellulose (CELL), hemicellulose (HCELL), acid detergent lignin (ADLd)... -
Savanna browse production. 2: Prediction
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Caryn A Penderis --- School of Life Sciences, South Africa Kevin P Kirkman --- Grassland Science, South AfricaBrowsing herbivores are generally highly selective feeders, selecting for new shoots and young plant material. Determinations of browser carrying capacity are then greatly inflated when based on available browse biomass estimates. Our study was initiated with the aim of modelling... -
Alternative Taper Curve Estimation Methods for Eucalyptus cloeziana (F. Muell.)
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: K. P.A. Eerikäinen --- Faculty of Forestry, Finland D. Mabvurira --- , Zimbabwe J. Saramäki --- ,Three types of taper estimation methods for Eucalyptus cloeziana were applied and compared by using Zambian and Zimbabwean plantation data. The methods are: (1) Schumacher's taper equation, (2) diameter prediction method and (3) polynomial taper curve. The Schumacher's taper equation... -
Program for the deterministic modelling of genetic gains of tree breeding and seed and clone production strategies
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: S.D. Vernyn --- , South Africa C.L. Snedden --- , South Africa R.C. Parfitt --- , South AfricaA deterministic modelling algorithm was developed for the prediction of genetic gains of six breeding and 11 (seed and clone) production strategies. This algorithm can run iteratively over ranges of parameters which affect the genetic gains. These parameters are the... -
Relational Conflict Resolution Strategies (RCRS) and Workplace Frustration
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bolanle Ogungbamila --- Adekunle Ajasin University,This study examined which of the five relational conflict resolution strategies (RCRS) (i.e., confronting, withdrawing, forcing, smoothing, and compromising) usually employed by superiors to resolve workplace conflicts, best reduced the level of workplace frustration reported by their subordinates. Two hundred... -
Actuarial Criminology: Meeting Current Challenges in Southern Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Johan Prinsloo --- University of South Africa, Anastasios Ladikos --- University of South Africa,South African prisons were overcrowded by more than sixty-three percent in 2005. Overcrowding and poor prison conditions have enormous implications for rehabilitation efforts made by the South African Department of Correctional Services. The South African White Paper on Corrections (2005)... -
A Prospective Model for HIV and AIDS Prevention in an African Setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Clvin Gwandure --- Nelson Mandela Metropolitan University, South Africa Thokozile Mayekiso --- Nelson Mandela Metropolitan University, South Africa Diane Elkonin --- Nelson Mandela Metropolitan University, South AfricaThe study conceptualizes locus of control as a behavioural mechanism for HIV and AIDS prevention. The locus of control variables that could build the model are: social systems control, self-control, fatalism, achievement-oriented behaviour, willingness to delay gratification, personal values and... -
Intimate Partner Violence and HIV Risk among Women in Primary Health Care Delivery Services in a South African Setting
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nancy Phaswana-Mafuya --- Human Sciences Research Council, South Africa Karl Peltzer --- Human Sciences Research Council University of Free State, South Africa Adlai Davids --- Human Sciences Research Council, South AfricaThe aim of the study is to investigate intimate partner violence (IPV) and HIV risk among antenatal care attendees at primary care health care facilities in a South African setting. A convenient sample of 984 pregnant women (mean age of... -
The Male Rape Survivor: Possible Meanings in the Context of Feminism and Patriarchy
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gertie Pretorius --- University of Johannesburg, South AfricaThis article covers a philosophical investigation into the possible meanings of rape for male survivors. The legal definitions of rape are investigated and the impossibility of male rape—from a legal, personal and social angle—described. An analysis of male rape in... -
Longitudinal Predictive Validity of a Learning Potential Test
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marié de Beer --- University of South Africa,The aim of this article is to provide empirical psychometric evidence of the (longitudinal) predictive validity of a learning potential measure—the Learning Potential Computerised Adaptive Test (LPCAT)—in comparison with standard static tests with school aggregate results as the criterion measure... -
The Meaning of Emotion in the White Afrikaans Language Group: A Componential Emotion Theory Approach
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Cara Jonker --- North-West University, Potchefstroom Campus, South Africa Althea van der Merwe --- North-West University, Potchefstroom Campus, South Africa Johnny Fontaine --- Gent University, Belgium Deon Meiring --- University of Pretoria, South AfricaThis study determined the meaning of emotion in a sample of white Afrikaans-speaking adults (n=120; males =32, females=88, age range =18–48+ years). Data were collected using the Meaning Grid (Scherer, 2005). The analysis examined the factor loadings of emotion words... -
A Case of Tragic Optimism: Volunteer Counsellors' Experience of Meaning
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Henry D. Mason --- Tshwane University of Technology, Juan A. Nel --- University of South Africa,This study applied concepts from logotherapy to construct the meaning that volunteer crisis counsellors experienced by working with victims of crime. Data were collected from seven participants who delivered services at community-driven crisis centre using a qualitative approach. The data... -
Victim Empowerment Programme in a Selected Municipality of the Eastern Cape, South Africa: Service Provider Perceptions
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nancy Phaswana-Mafuya --- Human Sciences Research Council, South Africa Karl Peltzer --- Human Sciences Research Council, South Africa Gladys Mlambo --- Human Sciences Research Council, South Africa Seth Mkhonto --- Human Sciences Research Council, South Africa Cily Tabane --- University of the Witwatersrand,An exploratory qualitative study was conducted to assess service providers' perceptions of the Victim Empowerment Programme (VEP) with a focus on VEP knowledge, management, communication, empowerment, utilization and accessibility of services in a selected district of the Eastern Cape of... -
The Criminal Liability of Child Soldiers: In Search of a Standard
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Pieter Brits --- Department of Mercantile and Public Law, Faculty of Military Science, Michelle Nel --- Department of Mercantile and Public Law, Faculty of Military Science,Despite the recent focus on the problem of the recruitment and use of child soldiers, there is still no clarity on the criminal liability of child soldiers who participate in conflict. In this article, we analyze the criminal liability of... -
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. -
On the duality problem for weakly compact, strictly singular operators
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Manuel GonzálezWe show that there exists a weakly compact, strictly singular operator T such that the conjugate operator T * is not strictly cosingular. This example gives a negative answer to an old question of Pełczyński. -
Understanding visuals in HIV/AIDS education in South Africa: differences between literate and low-literate audiences
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Adelia Carstens Alfons Maes Lilian Gangla-BirirThis article reports on a research project aimed at determining the scope and nature of differences in picture comprehension between literate and low-literate audiences in the context of HIV and AIDS. Structured interviews were held with 30 low-literate and 24... -
Wearing the T-shirt: an exploration of the ideological underpinnings of visual representations of the African body with HIV or AIDS
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: AnnwenE BatesThe article takes a hermeneutic approach to exploring a selection of visual representations of the African body in relation to the issue of HIV and AIDS in Africa. In particular, it argues that the trope of 'deficiency' ('lack'), wherein Africa... -
Implementation of the national programme for prevention of mother-to-child transmission of HIV: a rapid assessment in Cacadu district, South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Karl Peltzer --- , South Africa Nancy Phaswana-Mafuya --- , South Africa Rendani Ladzani --- , South AfricaTo conduct a rapid assessment of the prevention-of-mother-to-child-transmission-of-HIV (PMTCT) programme in two of the three local service areas in Cacadu district, Eastern Cape province, South Africa, we designed an exploratory study using a mixed-methods approach. Quantitative and qualitative data on... -
Religion, authority and their interplay in the shaping of antiretroviraltreatment in western Uganda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: AlexanderMJ Leusenkamp --- , The NetherlandsThe article explores how religious actors have increasingly shaped the nature of antiretroviral treatment (ART) services in Kabarole district, western Uganda. As have the regular health services, Christian donors, non-governmental organisations (NGOs), and churches in the district have also stepped... -
Fear appeals in HIV-prevention messages: young people's perceptions in northern Tanzania
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Sheri Bastien --- Faculty of Medicine, Institute for Basic Medical Sciences, NorwayThe aims of the study were to elicit the perceptions of young people in Tanzania on the role of fear appeals in HIV-prevention messages and to identify important contextual factors that may influence young people's perceptions of HIV-prevention posters. A... -
Youths navigating social networks and social support systems in settings of chronic crisis: the case of youth-headed households in Rwanda
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Laura May Lee --- Interdisciplinary Graduate Studies Program, Green College, CanadaYouth-headed households in Rwanda live in a context of chronic crisis, where poverty, disease and uncertainty are not exceptional but characterise people's daily lived reality. Struggling under the pressures of economic deprivation, social isolation, abuse and exploitation, these youths experience... -
The distribution and feeding ecology of the characid Brycinus sadleri in Lake Nabugabo, Uganda: implications for persistence with Nile perch (Lates niloticus)
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JohnP Olowo LaurenJ Chapman ColinA Chapman Richard Ogutu-OhwayoCoincident with a rapid increase in numbers of introduced predatory Nile perch (Lates niloticus) in lakes Victoria, Kyoga, and Nabugabo of East Africa was a dramatic decline in populations of many native fishes. However, a few species, including the characid... -
A histological description of ovarian recrudescence in two Labeo victorianus populations
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Justus Rutaisire AnthonyJ BoothThe ovaries of Labeo victorianus are paired organs situated in the peritoneal cavity and suspended on either side of the midline by a mesovarium. A capsule, composed of dense, regularly-arranged collagen and elastic fibres mixed with a few smooth muscle... -
Low genetic differentiation among morphologically distinct Labeobarbus species (Teleostei: Cyprinidae) in the Lake Victoria and Albertine basins, Uganda: insights from mitochondrial DNA
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: VB Muwanika --- Molecular Biology Laboratory, Institute of Environment and Natural Resources, Uganda MF Nakamya --- Department of Anatomy, Faculty of Veterinary Medicine, Uganda J Rutaisire --- , Uganda B Sivan --- Department of Animal Sciences, Israel C Masembe --- Molecular Biology Laboratory, Institute of Environment and Natural Resources, UgandaLabeobarbus altianalis and L. bynni bynni are hexaploid cyprinid fishes in the genus Labeobarbus. In the Great Lakes region of Africa, these two large-bodied barbs exhibit considerable morphological variations. Their intraspecific classification, currently based on geographical distribution and morphological variation,... -
Perceptions towards Egyptian Geese at the Steenberg Golf Estate, Cape Town, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: RobM Little --- DST/NRF Centre of Excellence at the Percy FitzPatrick Institute of African Ornithology, South Africa JessL Sutton --- , South AfricaThe number of Egyptian Geese Alopochen aegyptiaca has increased in the Western Cape province, South Africa, during the past few decades and they are allegedly perceived as a problem on golf courses. However, attitudes towards the geese on golf courses... -
Habitat use pattern of three species of egrets in a small coastal lagoon in Ghana
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Francis Gbogbo --- Department of Animal Biology and Conservation Science, Ghana Gideon Kwarteng Acheampong --- Department of Animal Biology and Conservation Science, Ghana John-Mark Yaw Atiemo --- Department of Animal Biology and Conservation Science, Ghana Quist Elorm Crepindale --- Department of Animal Biology and Conservation Science, GhanaThe foraging and pattern of habitat use of Western Reef Heron Egretta gularis, Little Egret Egretta garzetta and Great Egret Egretta alba were studied in Sakumo II Lagoon in Ghana to determine the extent of utilisation of non-fish resources by... -
An interdisciplinary method to harmonise ecology, economy and co-management: fisheries exploitation in Lake Nabugabo, Uganda
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: I Vaccaro --- Department of Anthropology and McGill School of Environment, Canada CA Chapman --- Department of Anthropology and McGill School of Environment, Canada EA Nyboer --- Department of Biology, Canada M Luke --- McGill School of Environment, Canada A Byekwaso --- National Fisheries Resources Research Institute, Uganda C Morgan --- McGill School of Environment, Canada D Mbabazi --- National Fisheries Resources Research Institute, Uganda D Twinomugisha --- Makerere University Biological Field Station, Uganda LJ Chapman --- Department of Biology, CanadaCollective action theory predicts that natural resource management at a local level has a higher probability of success if territoriality and jurisdiction of the managerial institution are in synchrony with mobility and territoriality of the resource and exploitation patterns of... -
ZOOPLANKTON AND ESTUARINE RELICT (BENTHIC) FAUNA IN LAKE MZINGAZI, A FRESHWATER COASTAL LAKE OF NATAL
Item type: Journal Article • Journal: Southern African Journal of Child and Adolescent Mental Health • Authors: B.K. Fowles --- , South Africa C. G.M. Archibald --- , South AfricaLake Mzingazi, a natural, undisturbed freshwater coastal lake in the heart of the Richards Bay municipal area, is threatened by rapid urban and industrial growth. The previously unrecorded composition and distribution of zooplankton in the lake was studied during 1979... -
Limits to the use of environmental indices to reduce risk and/or increase yield in the South African anchovy fishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JAA De Oliveira DS ButterworthEnvironmental indices that provide short-term predictions of recruitment have the potential to improve the average yield from highly productive resources that sustain recruit fisheries without an associated increase in risk (of resource 'collapse'). This is particularly true for cases where... -
Towards the development of an environmental rule-based model for predicting recruitment in Brazilian sardine Sardinella brasiliensis
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: S Jablonski LFL LegeyA rule-based model was built in order to analyse the effects of environmental variables (wind stress, Ekman transport, turbulence, and sea surface temperature [SST]) on the recruitment of the Brazilian sardine Sardinella brasiliensis. The purpose of modelling was (1) to... -
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... -
Diffusion of Old Information and Communication Technologies in Disseminating Agricultural Knowledge: An Analysis of Farmers’ Income
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Bibhunandini Das --- ,This paper analyses the role of old information and communication technologies (ICTs) in knowledge dissemination and the economic outcome of ICT use by farmers. Based on the National Sample Survey data, the paper examines two issues – the role of... -
Site and stand analysis for growth prediction of Eucalyptus grandis on the Zululand coastal plain
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: M. du Plessis --- , J Zwolinski --- ,The integration of site information with that of tree growth is of special importance in Zululand, where sustainable supply of timber is essential for local processing and export commitments. Site prediction growth models need to be based on easily attainable... -
Equations for predicting the biomass of Acacia cyclops and Acacia saligna in the western and eastern Cape regions of South Africa Part 1 : Tree-level models
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: A. van Laar --- Faculty of Agricultural and Forestry Sciences, J.M. Theron --- Faculty of Agricultural and Forestry Sciences,A forest inventory was carried out in coastal areas infested by the alien tree species Acacia cyclops and A. saligna on the West Coast, Agulhas and Eastern Cape Plains. Sample trees were felled to construct prediction equations, which were subsequently... -
Modelling maximum canopy conductance and transpiration in Eucalyptus grandis stands not subjected to soil water deficits
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: J. M. Campion --- , Republic of South Africa P.J. Dye --- Environmentek, CSIR, c/o Agrometeorology, Republic of South Africa M.C. Scholes --- School of Animal, Plant and Environmental Sciences, Republic of South AfricaThere is much current interest in predicting the maximum amount of water that can be transpired by Eucalyptus trees. It is possible that industrial waste water may be applied as irrigation water to eucalypts and it is important to predict... -
Stand basal area model for Cunninghamia lanceolata (Lamb.) Hook. plantations based on a multilevel nonlinear mixed-effect model across south-eastern China
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: LiFang Zhao --- Center for Earth Observation and Digital Earth, China ChunMing Li --- Institute of Forest Resource Information Techniques, ChinaBased on a multilevel nonlinear mixed-effect model approach, a stand basal area model was developed for Cunninghamia lanceolata (Lamb.) Hook. plantations belonging to the National Forest Inventory in China. The database consists of 583 plots embracing 18 different blocks within... -
Genetic characterisation of a Eucalyptus nitens base breeding population in South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Tammy-L Swain --- Institute for Commercial Forestry Research, South Africa SteveD Verryn --- Forestry and Agricultural Biotechnology Institute, South Africa MarkD Laing --- School of Agricultural Earth and Environmental Sciences, South AfricaThe measurement and statistical analysis of data from eight Eucalyptus nitens trials, established in the summer rainfall forestry region of South Africa during the 1980s and 1990s, have enabled the characterisation of the Institute for Commercial Forestry Research's breeding population... -
The effect of biotope-specific sampling for aquatic macroinvertebrates on reference site classification and the identification of environmental predictors in Mpumalanga, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: HelenF DallasThe classification of reference sites based on macroinvertebrate assemblages sampled in different aquatic biotopes in Mpumalanga, South Africa, was examined. Environmental variables that best predicted group membership for each of four classifications (stones, vegetation, sand and these three biotopes combined)... -
The breeding period of the ocellated spiny eel Mastacembelus vanderwaali (Teleostei: Mastacembelidae) in the Batoka Gorge, Zambezi River
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JL MinshullIn late October 1990, Mastacembelus vanderwaali was found to be breeding in the Zambezi River in the Batoka Gorge in protected areas along a rocky shoreline during the low water period prior to the start of the November rains. Two... -
Comparative salinity tolerances of four siphonariid limpets in relation to habitat restriction of the rare and endangered Siphonaria compressa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: G Wilson --- Marine Biology Research Centre, Department of Zoology, South Africa GM Branch --- Marine Biology Research Centre, Department of Zoology, South Africa P de Coito --- Marine Biology Research Centre, Department of Zoology, South AfricaThe salinity tolerances of four South African species of limpet in the genus Siphonaria were experimentally tested, in the context that one of them, S. compressa, is South Africa's most endangered marine mollusc and is restricted to two lagoonal localities... -
Descriptive Set Theoretic Methods Applied to Strictly Singular and Strictly Cosingular Operators
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: George Androulakis Kevin BeanlandThe class of strictly singular operators originating from the dual of a separable Banach space is written as an increasing union of ω 1 subclasses which are defined using the Schreier sets. A question of J. Diestel, of whether a... -
Modelling habitat suitability in the Aquatic Warbler wintering ground Djoudj National Park area in Senegal
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Cosima Tegetmeyer --- Institute of Botany and Landscape Ecology, Germany Annett Frick --- LUP GmbH, Germany Nina Seifert --- Zoological Institute and Museum, GermanyThe only well-studied wintering ground of the globally threatened Aquatic Warbler Acrocephalus paludicola is the ‘Djoudj area’ in Senegal. This study identifies potential Aquatic Warbler habitats within that area and gives an estimate of the size of the local wintering... -
Marijuana use in Pregnancy: Anaesthetic Implications
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: KM Kuczkowski --- Departments of Anesthesiology and Reproductive Medicine, -
Radiation induced changes in the airway—anaesthetic implications
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: Mallika Balakrishnan --- Regional Cancer Centre, India Renju Kuriakose --- Regional Cancer Centre, India Rachel Cherian Koshy --- Regional Cancer Centre,Radiation induces a variety of changes in the airway that can potentially lead to difficult intubation. Osteoradionecrosis (ORN) of the mandible, a severe consequence of radiotherapy for head and neck malignancies can cause a reduction of the ‘mandibular space’ and... -
The role of biomarkers and B-type natriuretic peptide in diagnosis and perioperative risk prediction
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: N Afshani --- Department of Anaesthesia, BM Biccard --- Department of Anaesthetics, RA Dyer --- Department of Anaesthesia,Biomarkers are important in diagnosis, assessment of disease severity, risk stratification and therapeutic decision-making. Recent studies strongly suggest that there is a role for B-type natriuretic peptide (BtNP) as a powerful prognostic predictor in both the preoperative and postoperative setting... -
Improving the Use of Lipid-lowering Drugs at Brits Hospital
Item type: Journal Article • Journal: South African Family Practice • Authors: C Van Deventer --- Brits Hospital, C Mokhlele --- Brits Hospital, J Hugo --- Family Medicine, Medunsa,Background When it was found by the Brits Hospital Pharmacy and Therapeutics Committee (PTC) in 2000 that simvastatin was responsible for extremely high costs in a district hospital, it was decided to undertake a quality improvement study to assess and,... -
Doctors' views of working conditions in rural hospitals in the Western Cape
Item type: Journal Article • Journal: South African Family Practice • Authors: MR De Villiers --- Department of Family Medicine and Primary Care, Faculty of Health Sciences, PJT De Villiers --- Department of Family Medicine and Primary Care, Faculty of Health Sciences,There has been a lively debate in the media about working conditions in rural South African hospitals, with a particular focus on staffing and quality of care. From a medical perspective, it has been stated that poorly equipped and managed... -
Implementation Plan for a Midlevel Medical Worker for South Africa. A discussion paper
Item type: Journal Article • Journal: South African Family Practice • Authors: JFM Hugo --- Department of Family Medicine and Primary Health Care, -
How cheap is primary health care? Cost per script at the Heidedal Community Health Centre and National District Hospital in Bloemfontein
Item type: Journal Article • Journal: South African Family Practice • Authors: H Dippenaar --- Department of Family Medicine, G Joubert --- Department of Biostatistics, C Van Rooyen --- Department of Biostatistics,Background: It is essential to manage and budget for primary health care in order to deliver a sustainable, accessible and quality health service to the majority of the population. The aim of the study was to establish the cost per... -
The clinical spectrum and cost implications of hospitalised HIV-infected children at Karl Bremer Hospital, Cape Town, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: CS Schoeman --- Intercare Walmer, MK Pather --- Division of Family Medicine and Primary Care, Faculty of Health Sciences,Background: HIV infection has become a common risk factor for hospital admission and a major contributor to childhood morbidity in South Africa. There remains a paucity of data describing the cost of hospitalisation of HIV-infected children in South Africa. The... -
Circumcision weeks: making circumcision part of routine training and service delivery at district-level hospitals in South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: F Peters --- Pretoria West Hospital, TS Marcus --- Department of Family Medicine,Background: Medically safe, elective male circumcision supports traditional and cultural rites of passage by reducing the risk of adverse events and death among men undergoing initiation. It is a way of preventing penile conditions that arise from being uncircumcised. It... -
Breech presentation at a district level hospital in South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: J Moodley --- Women's Health and HIV Research Group, Department of Obstetrics and Gynaecology, SM Khedun --- Women's Health and HIV Research Group, Department of Obstetrics and Gynaecology, J Devjee --- Department of Obstetrics and Gynaecology,Introduction: The Term Breech Trial has led to obstetricians opting for Caesarean section as the mode of delivery for this presentation, even in poor countries. Concerns related to this approach are the resultant increase in Caesarean section rates and their... -
Reflections on the development of family medicine in the Western Cape: a 15-year review
Item type: Journal Article • Journal: South African Family Practice • Authors: B Mash --- Family Medicine and Primary Care, Stellenbosch University,This article reviews how the model of family medicine has developed over the last 15 years in the Western Cape. It is based on a series of in-depth interviews with key role players. This period coincides with the immediate post-apartheid... -
Comparison of men with acute versus chronic urinary retention: aetiology, clinical features and complications
Item type: Journal Article • Journal: South African Family Practice • Authors: SPJ Van Vuuren --- Department of Urology, CF Heyns --- Department of Urology, AD Zarrabi --- Department of Urology,Background: The objectives were to investigate the aetiology and clinical features of urinary retention and to analyse differences between acute urinary retention (AUR) and chronic urinary retention (CUR). -
The prevalence of erectile dysfunction at a primary healthcare clinic in Durban, KwaZulu-Natal
Item type: Journal Article • Journal: South African Family Practice • Authors: Y Lockhat --- King Dinuzulu Hospital, A Ross --- Department of Family Medicine, P Ramlachan --- University of Sydney, Australia C Rangiah --- Department of Family Medicine,Objectives: The objectives of this study were to determine the prevalence of erectile dysfunction (ED) in men attending a primary healthcare (PHC) clinic in Durban, KwaZulu-Natal, and to document any relationship between ED and age, smoking, economic status and co-morbid... -
A medical audit of the management of cryptococcal meningitis in HIV-positive patients in the Cape Winelands (East) district, Western Cape
Item type: Journal Article • Journal: South African Family Practice • Authors: KB Von Pressentin --- Langeberg Sub-District, Cape Winelands District, HH Conradie --- Division of Family Medicine and Primary Care, Faculty of Medicine and Health Sciences, R Mash --- Division of Family Medicine and Primary Care, Faculty of Medicine and Health Sciences,Background: Cryptococcal meningitis (CM) has become the most common type of community-acquired meningitis. CM has a poor outcome if the initial in-hospital treatment does not adhere to standard guidelines. The aim of this audit was to improve the quality of... -
The profile of maternal deaths in a district hospital: a five-year review of maternal deaths from 2006–2010
Item type: Journal Article • Journal: South African Family Practice • Authors: PN Makinga --- Northdale Hospital, J Moodley --- Women's Heath and HIV Research Group, MJ Titus --- Pietermaritzburg Hospitals Complex,Objectives: The objectives were to determine the clinical and demographic profile of maternal deaths, determine the most common primary causes of maternal deaths at district hospital level, compare the causes of deaths at district hospital, provincial and national level, and... -
A focus group study on primary health care in Johannesburg Health District: “We are just pushing numbers”
Item type: Journal Article • Journal: South African Family Practice • Authors: S Moosa --- Department of Family Medicine, A Gibbs --- Department of Family Medicine,Objectives: South Africa is striving towards a strong primary healthcare system. Since 2007, departments of family medicine have been established in Gauteng to improve quality of care through improved access to doctors, the coordination of health services and better referrals... -
Predicting the need for blood during cardiopulmonary bypass
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: AR Coetzee --- Department of Anesthesiology and Critical Care, South Africa JF Coetzee --- Department of Anesthesiology and Critical Care, South AfricaBackground: Haematocrit (Hct) values <18%-20% during cardiopulmonary bypass (HctCPB) are potentially unsafe. Aims: 1. To predict when banked-blood should be pre-issued. 2. To evaluate the sparing-effect of banked-blood by autologous blood transfusions. Methods: An equation for prediction of HctCPB (Hctpred),... -
Interpersonal conflict and meaning making in early adulthood: a self-regulation perspective
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karel F.H. Botha --- School for Psychosocial Behavioural Sciences, South AfricaThe aim of this study was to explore meaning making in response to interpersonal conflict in a group of young adults. A self-regulatory perspective was taken to explore and elaborate on current approaches to meaning making. Participants were 127 young... -
Predicting spinal hypotension during Caesarean section
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: David G Bishop --- Pietermaritzburg Metropolitan Department of Anaesthesia, Critical Care and Pain Management, South AfricaHypotension under spinal anaesthesia for Caesarean section remains a common problem, with attendant maternal and foetal morbidity. This review examines some of the issues surrounding the prediction of spinal hypotension, including concerns about current evidence, the debate on the mechanism... -
“Safe anaesthesia” for the South African rural obstetric patient in KwaZulu-Natal
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: A Theron --- King Edward VIII Hospital, South Africa CC Rout --- Department of Anaesthesiology, South AfricaBackground: The South African National Committee for Confidential Enquiries into Maternal Deaths has shown that anaesthesia-related maternal deaths continue to increase at district hospitals. This has been attributed to substandard anaesthesia care and resuscitation. This study investigated the anaesthesia practices,... -
Edgy Edgars: The Restless Youth in Suzanna Nelson's Nightmare along the River Nile: A Story of Twentieth Century Slavery
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Paul M. Mukundi --- Department of Literature, KenyaSuzanna E. Nelson's first novel, Nightmare along the River Nile: A Story of Twentieth Century Slavery shows the danger faced by youth during war. While the young adult stage of life is generally characterized by unsteadiness—social, professional and otherwise—because individuals... -
Factors which predict interpersonal violence in South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: Lincoln J Fry --- Sociology and Health Research Units, GreeceBackground: This paper responds to the call for an extensive research agenda to be developed and designed to identify, plan and then implement prevention programmes with respect to violent crime in South Africa. This study began that process by identifying... -
The effectiveness of the implementation of the Cape Triage Score at the emergency department of the National District Hospital, Bloemfontein
Item type: Journal Article • Journal: South African Family Practice • Authors: SAN Gordon --- Faculty of Health Sciences, Department of Family Medicine, South Africa H Brits --- Faculty of Health Sciences, Department of Family Medicine, South Africa JE Raubenheimer --- Faculty of Health Sciences, Department of Biostatistics, South AfricaBackground: The need for an appropriate South African triage system led to the development of the Cape Triage Score (CTS), a system to prioritise emergency departments’ workloads. This study evaluated the effectiveness of the CTS at the National District Hospital... -
Assessing local scale impacts of Opuntia stricta (Cactaceae) invasion on beetle and spider diversity in Kruger National Park, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: M.P. Robertson --- Centre for Invasion Biology, Department of Zoology and Entomology, South Africa K.R. Harris --- Centre for Invasion Biology, Department of Zoology and Entomology, South Africa J.A. Coetzee --- Department of Zoology and Entomology, South Africa L.C. Foxcroft --- Conservation Services, South African National Parks, South Africa A.S. Dippenaar-Schoeman --- Plant Protection Research Institute, Agricultural Research Council, South Africa B.J. van Rensburg --- Centre for Invasion Biology, Department of Zoology and Entomology, South AfricaThere is a paucity of studies examining direct impacts of introduced alien species on biodiversity, a key need for motivating for alien species control in conservation areas. The introduced prickly pear (Opuntia stricta) has invaded some 35 000 ha of... -
Survey of gastrointestinal parasite infection in African lion (Panthera leo), African wild dog (Lycaon pictus) and spotted hyaena (Crocuta crocuta) in the Luangwa Valley, Zambia
Item type: Journal Article • Journal: African Zoology • Authors: Are R. Berentsen --- USDA/APHIS/WS/National Wildlife Research Center, U.S.A., 80521 Matthew S. Becker --- Zambian Carnivore Programme, Zambia Heather Stockdale-Walden --- University of Florida College of Veterinary Medicine, Department of Infectious Diseases and Pathology, U.S.A., 32608 Wigganson Matandiko --- Zambia Wildlife Authority, Zambia Rachel McRobb --- South Luangwa Conservation Society, Montana Mike R. Dunbar --- USDA/APHIS/WS/National Wildlife Research Center, U.S.A., 80521Little is known about gastrointestinal parasite infections in large carnivores in Africa and what is available is largely from East Africa. We collected faecal samples from nine spotted hyaenas (Crocuta crocuta), 15 lions (Panthera leo) and 13 African wild dog... -
Climate and the evolution of group-living behaviour in the armadillo lizard (Ouroborus cataphractus)
Item type: Journal Article • Journal: African Zoology • Authors: Cindy Shuttleworth --- Department of Botany and Zoology, South Africa P. le Fras N. Mouton --- Department of Botany and Zoology, South Africa Adriaan van Niekerk --- Department of Geography and Environmental Studies, South AfricaWe evaluated the hypothesis that the regular use of the southern harvester termite, Microhodotermes viator, as food source by the armadillo lizard, Ouroborus cataphractus, originated as an adaptation to survive the summer dry season in a climatic regime where rainfall... -
Microsatellite DNA analyses reveal population subdivisions among the recently introduced Nile perch (Lates spp.) in Lake Victoria
Item type: Journal Article • Journal: African Zoology • Authors: Matthew T. Mwanja --- ARDC–Kajjansi, Uganda Vincent B. Muwanika --- Department of Environmental Management, South Africa Charles Masembe --- Biology Department, Uganda Wilson W. Mwanja --- Department of Fisheries Resources, Uganda Silvester Nyakaana --- Biology Department, UgandaNile perch (Lates spp.) was introduced into Lake Victoria only five decades ago but is now well established and distributed throughout the lake. Given the extensive size of the lake, there is a possibility of isolation by distance that can... -
Microsatellite markers for population genetic studies of the rock firefinch, Lagonosticta sanguinodorsalis
Item type: Journal Article • Journal: African Zoology • Authors: Jacinta Abalaka --- Department of Genetics, South Africa Bengt Hansson --- Department of Biology, SwedenWe identified the first set of microsatellites for use in the rock firefinch (Lagonosticta sanguinodorsalis). First, we tested existing passerine microsatellite loci for cross-species amplification success in a small sample of rock firefinches and identified 10 loci that were seemingly... -
A tool for identifying potential Eucalyptus nitens seed orchard sites based on climate and topography
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Ilaria Germishuizen --- Institute for Commercial Forestry Research, South Africa Robin AW Gardner --- Institute for Commercial Forestry Research, South AfricaShy seed production in orchards of Eucalyptus nitens is a major barrier to the deployment of genetic gain in South African plantations. A machine learning method was used to identify optimal sites for the establishment of E. nitens seed orchards... -
Aspects of the predictive and explanatory power of value added information in South Africa
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: C J van Staden --- Department of Accountancy and Business Law, New ZealandIn this paper the predictive and explanatory power of value added information was investigated with regards to three external indicators by doing statistical analysis on empirical data of South African listed companies. The analysis indicated that value added information did... -
An analysis of certain issues relating to the taxation of equity instruments
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: D A Warneke --- Department of Accounting, R D Jooste --- Department of Commercial Law,In this article we examine certain issues associated with Section 8C and other important and frequently encountered related provisions of the Income Tax Act. The issues examined relate to: the difference in tax treatment of restricted and unrestricted equity instruments;... -
Factors influencing success in first-year Accounting at a South African university: The profile of a successful first-year Accounting student
Item type: Journal Article • Journal: South African Journal of Accounting Research • Authors: R S Baard --- Department of Accounting, L P Steenkamp --- Department of Accounting, B L Frick --- Department of Curriculum Studies, M Kidd --- Centre for Statistical Consultation,The study investigated factors influencing success of first-year students in Financial Accounting at a South African university, thereby establishing a profile of successful and at-risk students. A two step process was followed to achieve the goals of the study. Firstly,... -
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... -
South African Statements of Accounting Practice as Part of a User-oriented Framework
Item type: Journal Article • Journal: De Ratione • Authors: J.A. Miller --- University of Natal-Durban,In this third and final article on a suggested Hierarchy of Objectives for Financial Reporting the author deals with Statements of Accounting Practice as the operational level thereof, implementing concepts and principles towards achieving the objectives defined. As a consequence... -
An investigation into the significance of certain firm-specific non-financial variables in a failure prediction model
Item type: Journal Article • Journal: De Ratione • Authors: P W Court --- Rhodes University,Most failure prediction models contain only financial ratios. There are nevertheless a number of firm-specific, non-financial ratios which could point to failure. This article attempts to Investigate the impact of some of these variables in a failure prediction model, it... -
A note on failure prediction models as aids to the credit evaluation procedure in a South African Commercial Bank
Item type: Journal Article • Journal: De Ratione • Authors: G.A. Garbers --- Senior lending officer, Standard Bank Cape Town, E.O. Uliana --- Professor of Accounting,Errors by bank lending officers in assessing a loan application are costly to the bank. The literature suggests that the credit evaluation process can be enhanced by the use of failure prediction models. -
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... -
Preventing venous thromboembolism at a district hospital: a quality improvement study
Item type: Journal Article • Journal: South African Family Practice • Authors: Bernhard G Beutel --- , South Africa Louis S Jenkins --- Division of Family Medicine and Primary Health Care, Faculty of Health Sciences, South AfricaBackground: Pulmonary embolism (PE) is the most common preventable cause of hospital deaths, and almost all hospitalised patients have at least one risk factor for venous thromboembolism (VTE). Despite the availability of highly effective thromboprophylaxis in preventing VTE, numerous studies... -
Case pending: practices of inclusion and exclusion in a class of plaintiffs
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Rita Kesselring --- Institute of Social Anthropology, University of Basel, SwitzerlandApartheid victims have had a difficult standing in South Africa in the years that followed the Truth and Reconciliation Commission (TRC). In the government's perspective, the TRC had conclusively dealt with apartheid victimhood. Consequently, when victims turned to US courts... -
Socio-ecological influences of attitudes toward disability among Kenyan undergraduate students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: George I. Mamboleo --- Department of Counseling, Rehabilitation & Counseling Psychology, USA Abdoulaye Diallo --- Department of Rehabilitation, USA Robinson M. Ocharo --- Sociology Department, Kenya Spalatin N. Oire --- Department of Counseling, Higher Education, & Special Education, USA Charlene M. Kampfe --- Department of Disability & Psychoeducational Studies, USAThis study examined personal and contextual variables as predictors of attitudes toward disability at a Kenyan higher education setting. Participants were a convenience sample of 309 undergraduate students at a Kenyan university enrolled in Sociology, Social Work, Psychology, Political Science,... -
Diabetic patients served at a regional level hospital: what is their clinical picture?
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: S Pillay --- MBChB, FCP(SA), Specialist Physician, Edendale Hospital, Department of Internal Medicine, C Aldous --- PhD, Senior Lecturer, School of Clinical Medicine, F Mahomed --- MBChB, FCP(SA), FRCP(UK), CertEndocrinology, Specialist Physician/Endocrinologist, Department of Internal Medicine,Objectives: We describe the demographics, diabetic characteristics, diabetic control and complications in the diabetes service in Edendale Regional Hospital, Pietermaritzburg, in this study. Diabetes mellitus, together with its complications, is increasing at an alarming rate worldwide. Good glycaemic control translates... -
Conflict management and job characteristics of nurses in South African public hospitals
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: David R. Milton --- Workwell Research Unit and School of Human Resource Sciences, South Africa Jan Alewyn Nel --- Workwell Research Unit and School of Human Resource Sciences, South Africa Werner Havenga --- Workwell Research Unit and School of Human Resource Sciences, South Africa Tinda Rabie --- School of Nursing Sciences, South AfricaThis study sought to determine whether job demands and job resources predicted conflict handling styles among nurses within South African public hospitals. A convenience sample of 205 nurses were included (males = 10.7%; age range 46 to 60 years = 38.5%, experience of 5... -
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... -
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... -
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... -
ICT4D and the Siyakhula Living Lab: an anthropological contribution to digital development
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Robin Palmer --- Rhodes University, South AfricaAnthropologists are increasingly interested in the reception and adaptation of Information and Communications Technologies (ICTs) at the local level, especially when these are intended or adapted for social change in the kinds of societies and communities anthropologists study. The process... -
‘Don't “paraffin” me!’: deception, power and agency in a South African sport for development organisation
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Cassandra Clark --- Department of Social Anthropology,The staff of Sport FUNdamentals Southern Africa (SFSA), a sport for development organisation, have labelled a range of deceitful behaviours ‘paraffining’. These behaviours range from improvising life skills lessons to lying in reports. It references paraffin, a common, yet potentially... -
The politics of the liminal and the liminoid in transfrontier conservation in southern Africa
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Marja Spierenburg --- Dept. of Sociology and Social Anthropology, The NetherlandsNature conservation in South(ern) Africa was for a long time dominated by white males and funded by a white elite. In postapartheid South Africa, government and conservation organisations have attempted to transform the sector by promoting the idea that local... -
‘A Dog with a collar…’ Field notes on an ‘indigenous wedding gown’
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: J-M Dederen --- University of Venda (Thohoyandou),The purpose of this ethnographic narrative is to detail the social and symbolic nature of the tshirivha leather skirt. Venda-speaking women in Limpopo Province once articulated their marital status by means of this garment. My initial, literature based understanding, in... -
Disintegrating perineal disease in patients with urethral stricture and HIV infection: a review of 12 cases
Item type: Journal Article • Journal: Southern African Journal of Epidemiology and Infection • Authors: F.M. Classen --- Department of Urology, Faculty of Health Sciences, South Africa S.W. Wentzel --- Department of Urology, Faculty of Health Sciences, South Africa N van Greunen --- Department of Urology, Faculty of Health Sciences, South Africa C.F. Heyns --- Department of Urology, Faculty of Health Sciences, South AfricaThe aim of this study was to defne disintegrating perineal disease (DPD) and to determine whether the fulminating nature of the condition could be explained by urine and perineal swab microbiology or perineal histology. A retrospective study that included 12... -
The effects of fences and lions on the ecology of African wild dogs reintroduced to Pilanesberg National Park, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Gus van Dyk --- Ecological Services, North West Parks and Tourism Board, South Africa Rob Slotow --- School of Life and Environmental Sciences, South AfricaWild dogs have been eradicated from most of South Africa. However, a large number of smaller isolated reserves offer the potential for metapopulation conservation management of this species through continued translocations among reserves. Wild dogs were released into the Pilanesberg... -
Digestive parameters and energy assimilation of Cape porcupine on economically important crops
Item type: Journal Article • Journal: African Zoology • Authors: Kerushka R Pillay --- School of Life Sciences, University of KwaZulu-Natal, South Africa Amy-Leigh Wilson --- School of Life Sciences, University of KwaZulu-Natal, South Africa Tharmalingam Ramesh --- School of Life Sciences, University of KwaZulu-Natal, South Africa Colleen T Downs --- School of Life Sciences, University of KwaZulu-Natal, South AfricaTo better understand how Cape porcupines are able to successfully occupy many agricultural lands, we studied their digestive parameters and energy assimilation when fed three economically important agricultural crops (potatoes [Solanum tuberosum], sweet potatoes [Ipomoea batatas] and butternut [Juglans cinerea])... -
Competing prayers: the making of a Nigerian urban landscape
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Ulrika Trovalla --- The Nordic Africa Institute, SwedenWhile Christians are seen as aspiring to make the Nigerian city of Jos into a Christian city, Muslims are believed to be trying to turn Jos into a Muslim city. There is a struggle over the urban landscape that is... -
Occurrence, abundance and distribution of benthic macroinvertebrates in the Nyando River catchment, Kenya
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DA Abong'o --- Department of Chemistry, School of Physical Sciences, Kenya SO Wandiga --- Department of Chemistry, School of Physical Sciences, Kenya IO Jumba --- Department of Chemistry, School of Physical Sciences, Kenya PJ Van den Brink --- Aquatic Ecology and Water Quality Management Group, The Netherlands BB Naziriwo --- Department of Chemistry, Uganda VO Madadi --- Department of Chemistry, School of Physical Sciences, Kenya GA Wafula --- Department of Chemistry, School of Physical Sciences, Kenya P Nkedi-Kizza --- Soil and Water Science Department, USA H Kylin --- Department of Water and Environmental Studies, SwedenA baseline study was conducted of the occurrence of macroinvertebrates at 26 sites in the Nyando River catchment in 2005–2006. A total of 13 orders and 16 families of Arthropoda, Mollusca, Platyhelminthes and Annelida were collected, with the order Ephemeroptera... -
Estimation of stability-related soil properties using mid-infrared spectroscopy for non-agricultural land use in Lake Victoria basin, Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: B. K. Waruru --- Kenya Agricultural and Livestock Research Organization (KALRO), Kenya K. D. Shepherd --- World Agroforestry Centre (ICRAF), Kenya G. M. Ndegwa --- Jomo Kenyatta University of Agriculture and Technology (JKUAT), Kenya A. Sila --- World Agroforestry Centre (ICRAF), Kenya P. T. Kamoni --- Kenya Agricultural and Livestock Research Organization (KALRO), KenyaMethods for rapid and accurate soil tests are needed for stability-related soil properties, which are valuable for non-agricultural land use. The study tested the applicability of mid-infrared (MIR) spectroscopy for rapid estimation of selected stability-related soil properties. Two sample sets,... -
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... -
Family versus individual plant selection for stem borer (Eldana saccharina) resistance in early stages of sugarcane breeding in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Marvellous Zhou --- South African Sugarcane Research Institute, South Africa Alfred Mokwele --- South African Sugarcane Research Institute, South AfricaEldana saccharina is an indigenous lepidopteran insect pest and the most damaging stem borer of sugarcane in southern Africa. Breeding for E. saccharina resistance in South Africa started in 1980 by crossing resistant parents (expected to possess resistance genes) and... -
Childhood physical and sexual abuse, and adult health risk behaviours among university students from 24 countries in Africa, the Americas and Asia
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- ASEAN Institute for Health Development, Thailand Supa Pengpid --- ASEAN Institute for Health Development, ThailandThe goal of this study was to retrospectively estimate the prevalence of childhood physical abuse (CPA) and childhood sexual abuse (CSA) in relation to experience of adult violence, poor mental health, addictive behaviour and sexual risk behaviour among university students... -
Predictors of multiple concurrent and multiple sexual partnerships among male and female youth aged 18–24 in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Motlatso Gladys Mlambo --- Centre for Rural Health, Family Medicine Department, South Africa Karl Peltzer --- HIV/AIDS/STIs and TB (HAST), Human Sciences Research Council, South Africa Witness Chirinda --- Medical Research Council, South AfricaThis study aimed to determine predictors of multiple concurrent and multiple sexual partnerships among South African male and female youth. Data were from a cross-sectional population-based household survey of 3 123 youths aged 18 to 24 years from four South... -
Adverse social, nutrition and health conditions in rural districts of the KwaZulu-Natal and Eastern Cape provinces, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: S. Schoeman --- Nutritional Intervention Research Unit, South Africa M. Faber --- Nutritional Intervention Research Unit, South Africa V. Adams --- Currently from Scifest, South Africa C. Smuts --- School for Physiology, Nutrition and Consumer Science, Potchefstroom N. Ford-Ngomane --- Health Systems Trust, South Africa J. Laubscher --- Biostatistics Unit, South Africa M. Dhansay --- Currently from Executive Research Directorate, South AfricaObjective: This study determined the socio-demographic, nutritional and health status of children and their caregivers in two rural districts in KwaZulu-Natal (KZN) and one rural district in the Eastern Cape (EC), South Africa. -
Anthropometric characteristics and nutritional status of older adults in the Lake Victoria Basin of East Africa: region, sex, and age differences
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Mj Cheserek --- Human Nutrition Department, Pj. Tuitoek --- Human Nutrition Department, Jn Waudo --- Department of Food Nutrition and Dietetics, Jm Msuya --- Department of Food Science and Technology, Jk. Kikafunda --- Department of Food Science and Technology,Background: Malnutrition, either as undernutrition or overnutrition, leads to detrimental alterations in body composition. The objective of this study was to investigate selected anthropometric measurements, and the nutritional status of older men and women living in the Lake Victoria Basin... -
Development of predictive equations for total body water using the deuterium-dilution method as the gold standard in a population of asymptomatic HIV-positive Zulu women in South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: G. Kindra --- Department of Paediatrics and Child Health, Nelson R Mandela School of Medicine, A. Coutsoudis --- Department of Paediatrics and Child Health, Nelson R Mandela School of Medicine, L. Pillay --- Department of Chemistry, A. Kindness --- Department of Chemistry,Objectives: The study aimed to derive predictive equations for total body water determinations with bioelectrical impedance and anthropometric measurements in a population of asymptomatic human immunodeficiency virus (HIV) -positive Zulu women. -
Ethical tensions faced by dietetic students during fieldwork
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: N. Nortjé --- Department of Dietetics, Cape TownResearch confirms that students carrying out their fieldwork are faced with various ethical conundrums and are unsure as to how to address these. This study identifies and discusses four major issues in this regard, namely confidentiality issues, the distribution of... -
Early enteral nutrition compared to outcome in critically ill trauma patients at a level one trauma centre
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: E. Löfgren --- Clintec, Sweden T. Mabesa --- Inkosi Albert Luthuli Central Hospital, South Africa F. Hammarqvist --- Clintec, Sweden Tc. Hardcastle --- Trauma and Trauma Intensive Care Unit, South AfricaObjectives: The benefit of an early enteral nutrition start in critical ill patients is widely accepted. However, limited published data focus on trauma patients. This study aimed to investigate the effect of early enteral nutrition initiation on length of stay... -
Intimate partner violence among HIV positive pregnant women in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Gladys Matseke --- HIV/AIDS/STI and TB (HAST), Human Sciences Research Council, South Africa Violeta J Rodriguez --- Department of Psychiatry & Behavioral Sciences, USA Karl Peltzer --- HIV/AIDS/STI and TB (HAST), Human Sciences Research Council, South Africa Deborah Jones --- Department of Psychiatry & Behavioral Sciences, USAThe aim of the study was to determine the prevalence of intimate partner violence (IPV) and associated factors among pregnant HIV-infected women in primary health care facilities in Nkangala and Gert Sibande districts, Mpumalanga, South Africa. Participants were 673 women... -
Unconsolidated sediment distribution patterns in the KwaZulu-Natal Bight, South Africa: the role of wave ravinement in separating relict versus active sediment populations
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: AN Green --- Geological Sciences, School of Agricultural, Earth and Environmental Sciences, South Africa CF MacKay --- Oceanographic Research Institute, South AfricaThis paper examines the distribution of unconsolidated sediment in the KwaZulu-Natal Bight located along the east coast of South Africa. Results show that there is a general shelf-wide sediment distribution of coarser grain sizes between depths of 60 and 100 m,... -
Agreement between measured height, and height predicted from ulna length, in adult patients in Bloemfontein, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Louise van den Berg --- Faculty of Health Sciences, Department of Nutrition and Dietetics, South Africa Mariëtte Nel --- Faculty of Health Sciences, Department of Biostatistics, South Africa Desiré Brand --- Faculty of Health Sciences, Department of Nutrition and Dietetics, South Africa Jessica Bosch --- Faculty of Health Sciences, Department of Nutrition and Dietetics, South Africa Wieda Human --- Faculty of Health Sciences, Department of Nutrition and Dietetics, South Africa Shannon Lawson --- Faculty of Health Sciences, Department of Nutrition and Dietetics, South Africa Corinna Walsh --- Faculty of Health Sciences, Department of Nutrition and Dietetics, South AfricaObjective: To assess the agreement between measured height, and height predicted from ulna length using the Malnutrition Universal Screening Tool (MUST) equations, in adult patients admitted to government hospitals in Bloemfontein, South Africa. -
The role of the district family physician
Item type: Journal Article • Journal: South African Family Practice • Authors: CH Vaughan-Williams --- Family Medicine, South AfricaDistrict clinical specialist teams were formed in 2012. One member of the team is the family physician. The role of the district family physician is discussed and the case made for focusing on the organisational health of the medical teams... -
The role of locus of control in nyaope addiction treatment
Item type: Journal Article • Journal: South African Family Practice • Authors: L Fernandes --- Department of Public Health, South Africa KE Mokwena --- Department of Public Health, South AfricaBackground: Nyaope addiction is a significant health and social problem affecting some South African communities. With reported nyaope rehabilitation success rates of less than 3% and estimated dropout rates of 40%, improvement in the rehabilitation rates is essential. As locus... -
Identification and molecular characterisation of Colletotrichum species from avocado, citrus and pawpaw in Ghana
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Joseph O Honger --- Soil and Irrigation Research Centre, School of Agriculture, College of Basic and Applied Sciences, Ghana Samuel K Offei --- Biotechnology Centre, College of Basic and Applied Sciences, Ghana Kwadwo A Oduro --- Department of Crop Science, School of Agriculture, College of Basic and Applied Sciences, Ghana George T Odamtten --- Botany Department, College of Basic and Applied Sciences, Ghana Seloame T Nyaku --- Department of Crop Science, School of Agriculture, College of Basic and Applied Sciences, GhanaOwing to previous identifications based solely on morphological characteristics, the identity of the causal agents of anthracnose disease of pawpaw and avocado in Ghana is in doubt. In addition, the pathogen has not been identified previously on citrus. In this... -
Effectiveness and efficiency of national systems of innovation: A comparative analysis of Ghana and Kenya
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Frank L. Bartels --- Innov-8 Policy Advisory Services Ltd, Austria Ritin Koria --- Innov-8 Policy Advisory Services Ltd, Austria Liliana Andriano --- Department of Sociology, United KingdomThis paper presents a comparative analysis of the determinants of the effectiveness and efficiency of the Ghana National System of Innovation (GNSI) and the Kenya National System of Innovation (KNSI) for crafting evidence-based policy. Two regression analyses are performed respectively... -
Re-engineering of South Africa’s primary health care system: where is the pharmacist?
Item type: Journal Article • Journal: South African Family Practice • Authors: A. Bheekie --- School of Pharmacy, South Africa H. Bradley --- School of Public Health, South AfricaSouth Africa’s transition towards a district-based health system (DHS) aims to offer health promotion and prevention services at community level, through re-engineered primary health care (PHC) services. Along with pharmacy workforce shortages and service delivery challenges, health reform is a... -
Macroinvertebrates as bioindicators of water quality in the Mkondoa River, Tanzania, in an agricultural area
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: MJ Shimba --- Department of Biotechnology and Bioinformatics, FE Jonah --- Department of Fisheries and Aquatic Sciences, GhanaThe suitability of using macroinvertebrates as bioindicators of stream water quality was tested in the Mkondoa River in an agricultural area at Kilosa, using the rapid bioassessment protocol. The family biotic index (FBI) showed marked variation in water quality along... -
Effectiveness of electro-fencing for restricting the ranging behaviour of wildlife: a case study in the degazetted parts of Akagera National Park
Item type: Journal Article • Journal: African Zoology • Authors: Jean D Bariyanga --- College of Science and Technology, School of Science, Department of Biology, Rwanda Torsten Wronski --- College of Science and Technology, School of Science, Department of Biology, Rwanda Martin Plath --- College of Animal Science and Technology, China Ann Apio --- College of Agriculture, Animal Sciences and Veterinary Medicine, Department of Wildlife and Aquatic Resources Management, RwandaSeveral national parks on the African continent have been fenced to mitigate human–wildlife conflict, but the effectiveness of different fencing strategies seems to vary between regions. Here, we assessed the effectiveness of electro-fencing for restricting movement patterns of several wild... -
Personal factor effects on authentic leadership
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Martina Kotzé --- UFS Business School, South Africa Petrus Nel --- Department of Industrial Psychology, South AfricaThis study explored the relationship between authentic leadership and personal factors of emotional intelligence (EI), personality, cognitive abilities and gender. The convenience sample of respondents included 341 employees, and prospective students in an advanced leadership education programme at a South... -
Human–wildlife conflict and attitude of local people towards conservation of wildlife in Chebera Churchura National Park, Ethiopia
Item type: Journal Article • Journal: African Zoology • Authors: Aberham Megaze --- Department of Biology, Faculty of Natural Sciences, Ethiopia Mundanthra Balakrishnan --- Department of Zoological Sciences, Ethiopia Gurja Belay --- Department of Zoological Sciences, EthiopiaHuman–wildlife conflict is a serious challenge undermining the integrity of protected areas in developing countries. Developing effective human–wildlife conflict mitigation strategies requires an understanding of the conflict patterns, species involved and attitudes of local people living along protected area boundaries... -
Use of the partogram by doctors and midwives at Odi District Hospital, Gauteng, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: OM Maphasha --- Department of Family Medicine and Primary Health Care, South Africa I Govender --- Department of Family Medicine and Primary Health Care, South Africa DP Motloba --- Department of Community Dentistry, South Africa C Barua --- Department of Family Medicine and Primary Health Care, South AfricaBackground: There is scientific evidence that using the partogram reduces maternal and foetal morbidity and mortality. The use of partograms by doctors and midwives at Odi District Hospital has been reported as inadequate by external audits. The level of knowledge... -
Merger imbalance and returns in international equity markets
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Adam Zaremba --- Department of Investment and Capital Markets, Poland Przemyslaw Grobelny --- Department of Investment and Capital Markets, PolandAt the global level, the mispricing theory of mergers by Shleifer and Vishny (2003) may imply that a significant number of targets acquired in a given country is a sign of market-wide undervaluation whereas intense acquisition activity indicates overvaluation. The... -
Bark thickness and bark volume of Pinus patula in South Africa
Item type: Journal Article • Journal: Southern Hemisphere Forestry Journal • Authors: A. van LaarIn South Africa, tree volume tables and volume functions are usually based on the under bark stem volume. Many forest management studies, however, give the estimated over bark volume, in which case equations are required that estimate bark volume and... -
Conflict management styles and work-related well-being among higher education employees
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Wilme M. Van Niekerk --- School of Human Resource Sciences, South Africa Marissa De Klerk --- School of Human Resource Sciences, South Africa Jeanine K. Pires-Putter --- School of Human Resource Sciences, South AfricaThe objective of the study was to assess the relationship between conflict management styles and work-related well-being of employees in a higher education institution in South Africa. Participants were academic personnel (n = 180) and support staff (n = 201),... -
Post-traumatic Stress Disorder among child perpetrators and victims of violence from the Northern Uganda civil war: Findings from the WAYS study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Kennedy Amone-P’Olak --- Department of Psychology, Botswana Sarah Bøgelund Dokkedahl --- National Center for Psychotraumatology, Denmark Ask Elklit --- National Center for Psychotraumatology, DenmarkWar experiences are known risk factors for post-traumatic stress disorder (PTSD) and other poor psychosocial outcomes. This study aimed to assess the extent to which perpetrating violence (operationalised as intentional and unintentional killing or mutilation) and being a victim of... -
Unwanted attention: The psychological impact of cyberstalking on its survivors
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shandré Kim Jansen van Rensburg --- Department of Criminology and Security Science, South AfricaThis exploratory study investigated experiences of cyberstalking by analysing the psychological impact on young adult users (n = 12; females = 9). The participants completed in-depth e-mail interviews documenting their lived experiences as cyberstalking survivors. The data were thematically analysed... -
Comparison of infrared thermography and miniature Deltatron accelerometer sensors in the measurement of structural vibration characteristics
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Stephen M. Talai --- Department of Mechanical Engineering, South Africa Dawood A. Desai --- Department of Mechanical Engineering, South Africa P. Stephan Heyns --- Department of Mechanical and Aeronautical Engineering, South AfricaThis paper investigates the comparison of infrared thermography (IRT) and miniature Deltatron accelerometer sensors in measuring structural vibration characteristics in terms of frequency and displacement, given that of age IRT has fully grown for temperature condition monitoring. In addition, IRT... -
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... -
Seasonality in the cross section of factor premia
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Adam Zaremba --- Department of Investment and Capital Markets, PolandThis study examines the seasonality effect in the cross section of factor premia representing a broad set of stock market strategies. Using cross-sectional and time-series tests, we investigated the cross-sectional seasonality of market, value, size, momentum, quality and low-risk premia... -
Unearthing poison use and consequent anecdotal vulture mortalities in Namibia’s commercial farmland – implications for conservation
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Andrea Santangeli --- Helsinki Laboratory of Ornithology, Finnish Museum of Natural History, Finland Volen Arkumarev --- Bulgarian Society for Protection of Birds/BirdLife Bulgaria, Bulgaria Liz Komen --- Namibia Animal Rehabilitation Research and Education Centre, Namibia Peter Bridgeford --- Vultures Namibia, Namibia Holger Kolberg --- Directorate Scientific Services, Ministry of Environment and Tourism, NamibiaAcross Africa, the illegal use of poison is triggering a continent-wide scavenger crisis, with vultures suffering the most severe negative consequences. Vultures may die as indirect victims of the conflict between livestock farmers and predators, or they may be directly... -
Food challenges facing people living with HIV/AIDS in Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nobuhle Moyo --- School of Built Environment and Development Studies, South Africa Pranitha Maharaj --- School of Built Environment and Development Studies, South Africa Liberty Mambondiani --- School of Built Environment and Development Studies, South AfricaThis study explored the food challenges facing people living with HIV/AIDS in Tsholotsho, Zimbabwe. Tsholotsho is a socio-economically disadvantaged, rural district in Zimbabwe and has one of the highest HIV prevalence rates in the country. For this study, face to... -
Women who give birth before arriving at National District Hospital in Bloemfontein, Free State
Item type: Journal Article • Journal: South African Family Practice • Authors: A Beukes --- Faculty of Health Sciences, School of Medicine, South Africa T Mabasa --- Faculty of Health Sciences, School of Medicine, South Africa L Mkhungo --- Faculty of Health Sciences, School of Medicine, South Africa C Olivier --- Faculty of Health Sciences, School of Medicine, South Africa N Ramoo --- Faculty of Health Sciences, School of Medicine, South Africa D Van Rooi --- Faculty of Health Sciences, School of Medicine, South Africa BR Dawadi --- Faculty of Health Sciences, Department of Family Medicine, South Africa G Joubert --- Faculty of Health Sciences, Department of Biostatistics, South AfricaBackground: Birth before arrival (BBA) contributes to the neonatal death rate in South Africa. This study aimed to determine the profile of and reasons for women giving birth prior to arrival at National District Hospital, Bloemfontein. -
Determining the optimal phenological stage for predicting common dry bean (Phaseolus vulgaris) yield using field spectroscopy
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Perushan Rajah --- Discipline of Geography, School of Agricultural, Earth and Environmental Sciences, South Africa John Odindi --- Discipline of Geography, School of Agricultural, Earth and Environmental Sciences, South Africa Elfatih Abdel-Rahman --- Discipline of Geography, School of Agricultural, Earth and Environmental Sciences, South Africa Onisimo Mutanga --- Discipline of Geography, School of Agricultural, Earth and Environmental Sciences, South AfricaOn-farm crop productivity and yield prediction are valuable for, among others, designing food policies, on-farm and after-farm planning and pricing, and marketing. Whereas existing prediction approaches are generally reliable, these require extensive and tedious field surveys and adequate ancillary agrometeorological... -
Varied diet and opportunistic foraging in the Ethiopian Bush-crow Zavattariornis stresemanni, an Endangered generalist
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Samuel EI Jones --- School of Biological Sciences, UK Andrew J Bladon --- Department of Zoology, UK Nigel J Collar --- BirdLife International, UK Galgalo Dadacha --- Borana National Park Headquarters, Ethiopia Jarso Denge --- Borana National Park Headquarters, Ethiopia Paul F Donald --- Centre for Conservation Science, UKThe Ethiopian Bush-crow Zavattariornis stresemanni is an endangered, co-operatively breeding southern Ethiopian endemic with a remarkably restricted range (c. 6 000 km2). The species’ range was recently found to be almost perfectly predicted by an envelope of cooler, drier and... -
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,... -
Staffing levels at KwaZulu-Natal district hospitals: is the University of KwaZulu-Natal training for the needs of the province?
Item type: Journal Article • Journal: South African Family Practice • Authors: Andrew Ross --- Department of Family Medicine, South Africa Dumsani Gumede --- Umthombo Youth Development Foundation, South Africa Solange Mianda --- Department of Family Medicine, South AfricaBackground: Universities have a social responsibility to ensure that they select and train healthcare professionals (HCPs) who can meet the healthcare needs of local communities. The aim of this study was to assess the extent to which the University of... -
Managing HIV-positive sero-status in Ghana’s most HIV concentrated district: self-perceived explanations and theoretical discourse
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Adobea Y Owusu --- Institute of Statistical, Social and Economic Research (ISSER), Ghana Amos Laar --- Department of Family and Population Health, School of Public Health, GhanaAs of December 2015 there were 37 million persons living with HIV/AIDS (PLWHAs), 70% of whom are in sub-Saharan Africa. Ghana, which contributes a relatively small number to Africa’s HIV burden, has a generalised HIV epidemic. The current national prevalence... -
Addiction treatment providers’ perceptions of publicly-funded treatment services in the Western Cape, South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Deborah Isobell --- Department of Psychology, South Africa Kamal Kamaloodien --- Department of Psychology, South Africa Shazly Savahl --- Department of Psychology, South AfricaThis study explored addiction treatment implementation effectiveness of publicly-funded services in the Western Cape, South Africa, as perceived by service providers. Informants were six service providers from state-subsidised and public outpatient treatment services for substance use disorders (SUDs) (social workers... -
Trends in broad-sense heritability and predicted selection gains for the coastal short cycle breeding sugarcane programmes in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Sphamandla Sengwayo --- South African Sugarcane Research Institute, South Africa Marvellous Zhou --- South African Sugarcane Research Institute, South Africa Maryke Labuschagne --- Department of Plant Sciences, South AfricaCoastal short cycle breeding programmes develop early maturing sugarcane cultivars adapted to harvesting at 12 months under rainfed conditions. Genotypes progressed to the advanced cultivar stage from these programmes are merged and evaluated concurrently in multi-environment trials across the region... -
Electronic Medical Record System as a central ICT tool for quality healthcare services: Nigeria as a case study
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluwatoyin Seun Ayanlade --- African Institute for Science Policy and Innovation (AISPI), NigeriaThis study uses mixed methods to evaluate the benefits and challenges of implementing the Electronic Medical Record System (EMRS). Using Southwestern Nigeria as a case study, the study focuses on the factors that have been delaying the introduction of EMRS;... -
Allometric models to estimate foliage biomass of Tamarindus indica in Burkina Faso
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Loyapin Bondé --- Laboratory of Plant Biology and Ecology, Burkina Faso Moussa Ganamé --- Laboratory of Plant Biology and Ecology, Burkina Faso Oumarou Ouédraogo --- Laboratory of Plant Biology and Ecology, Burkina Faso Blandine MI Nacoulma --- Laboratory of Plant Biology and Ecology, Burkina Faso Adjima Thiombiano --- Laboratory of Plant Biology and Ecology, Burkina Faso Joseph I Boussim --- Laboratory of Plant Biology and Ecology, Burkina FasoTamarindus indica L. is a multi-purpose tropical species. In West Africa the local people use its leaves daily as a source of food, medicine and income. To prevent the over-exploitation of this species for its use for non-timber forest products,... -
Monitoring Victoria’s public forests: implementation of the Victorian Forest Monitoring Program
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Andrew Haywood --- European Forest Institute, Spain Kristen Thrum --- Victorian Department of Environment, Land, Water and Planning, Australia Andrew Mellor --- School of Mathematical and Geospatial Sciences, Australia Christine Stone --- New South Wales Department of Primary Industries, AustraliaA new strategic inventory across all publicly managed forests has been installed in Victoria. For the preceding two decades, Victoria’s forest inventory has been compiled from various data sources from across the state, an approach that doesn’t allow information about... -
School-based care and support for the intellectually disabled learners at risk for sexual abuse: South African teacher carer perspectives
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Andile Alfred Mdikana --- Department of Inclusive Education, South Africa Nareadi Tlakale Phasha --- Department of Inclusive Education, South AfricaThis study examined the functionality of a school-based care and support program for the intellectually disabled learners who have a history of sexual abuse. Participants were 28 teachers from four special educational needs schools in the Gauteng Province, South Africa... -
Madagascar Fish Eagle productivity in the Tsimembo-Manambolomaty Protected Area and surrounding habitat of western Madagascar
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Gilbert Razafimanjato --- The Peregrine Fund Madagascar Project, Madagascar Lily-Arison René de Roland --- The Peregrine Fund Madagascar Project, Madagascar Marius Rakotondratsima --- The Peregrine Fund Madagascar Project, Madagascar Stephanie Razakaratrimo --- The Peregrine Fund Madagascar Project, Madagascar Yverlin ZM Pruvot --- The Peregrine Fund Madagascar Project, Madagascar Tsiresy M Razafimanantsoa --- Mention: Zoologie et Biodiversité Animale, Facultés des Sciences, Madagascar Aristide Andrianarimisa --- The Peregrine Fund Madagascar Project, Madagascar Russell Thorstrom --- The Peregrine Fund, USAWe monitored the productivity of the critically endangered Madagascar Fish Eagle Haliaeetus vociferoides inside and outside of the Tsimembo-Manambolomaty Protected Area (T-M PA), western Madagascar from 2010 to 2015. We recorded 14 breeding pairs inside and 13 outside T-M PA... -
Less pain, more gain: Volatility-adjusted residual momentum in international equity markets
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Adam Zaremba --- Department of Investment and Capital Markets, Poland Mehmet Umutlu --- Department of International Trade and Finance, Turkey Alina Maydybura --- Dubai Business School, United Arab EmiratesWe offer a new type of momentum strategy — the volatility-adjusted residual momentum (VARMOM) — which is based on average past residuals scaled with their volatility. We demonstrate its application for international asset allocation within 51 country indexes and 888... -
Unique ‘spring-loaded’ gnathopod in the recently re-discovered and highly range-restricted estuarine amphipod Quadrivisio aviceps
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: C Griffiths --- Department of Biological Sciences and the Marine Research Institute, South Africa J Landschoff --- Department of Biological Sciences and the Marine Research Institute, South AfricaThe amphipod Quadrivisio aviceps (KH Barnard 1940), previously known from just three records collected at two small estuaries in the Western Cape, South Africa, was re-discovered at one of the original collection sites (the Palmiet River lagoon). The population at... -
Barriers to antiretroviral therapy initiation for HIV-positive children aged 2–18 months in Swaziland
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Pauline Jolly --- University of Alabama at Birmingham School of Public Health, USA Luz A Padilla --- University of Alabama at Birmingham School of Public Health, USA Charisse Ahmed --- University of Alabama at Birmingham School of Public Health, USA Chantal Harris --- University of Alabama at Birmingham School of Public Health, USA Nobuhle Mthethwa --- Swaziland National AIDS Programme, National Pediatric HIV Care & Treatment Office, Swaziland Megha Jha --- University of Alabama at Birmingham School of Public Health, USA Inessa Ba --- Clinton Health Access Initiative, Swaziland Amy Styles --- Eureka Idea Company, Australia Sarah P Hope --- Baylor International Pediatric AIDS Initiative, Swaziland Raina Brooks --- University of Alabama at Birmingham School of Public Health, USA Florence Naluyinda-Kitabire --- United Nations Children’s Fund (UNICEF), Swaziland Makhosini Mamba --- United Nations Children’s Fund (UNICEF), Swaziland Peter Preko --- President Emergency Plan for AIDS Relief (PEPFAR), SwazilandAlthough early antiretroviral therapy (ART) reduces HIV-related mortality in children by up to 75%, almost half of HIV-positive children younger than 1 year old in Swaziland do not initiate ART. This study was conducted to identify barriers to early ART... -
Teacher-instigated in-school interpersonal violence: Types and prevalence in South African public schools
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Nontle Nako --- College of Education, Edgewood Campus, South Africa Nithi Muthukrishna --- College of Education, Edgewood Campus, South AfricaThe study examined types and prevalence of interpersonal violence in South African schools. Data on in-school interpersonal violence by the South African Council of Teachers (SACE) were analysed. The sample consisted of 1 184 teachers (rural = 32.6%, urban =... -
ICT Innovations, entrepreneurship and hubs in East Africa: The case of Ethiopia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Tedla Desta --- SARChI Research Associate, Tshwane University of Technology, South AfricaThis research set out to assess the state of ICT innovation in Ethiopia, then to profile and analyse the two Ethiopian ICT hubs (iceaddis and xHub). It also assessed the challenges to ICT innovation in Ethiopia and recommend solutions. The... -
Land Cover Change Impacts on Beef Cattle Productivity under Changing Climate: Case of Ilemela and Magu Districts, Tanzania
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Siwa Ernest Nkya --- Directorate of Forest Production Research, Tanzania Martin Hagai --- Department of Geoinformatics, Tanzania Japhet Joel Kashaigili --- Department of Forest Resources Assessment and Management, TanzaniaThe study focused on contributing to the spatial knowledge of the impacts of land cover changes on beef cattle production under a changing climate in rangelands of the Lake Victoria Basin (LVB), so as to establish a strategy for improving... -
Comparison of physiological responses to high temperatures in juvenile and adult Cape Rockjumpers Chaetops frenatus
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Krista N Oswald --- Department of Zoology, South Africa Alan TK Lee --- Fitzpatrick Institute of African Ornithology, DST/NRF Centre of Excellence, South Africa Ben Smit --- Department of Zoology, South AfricaConcerns about climate change have led to an increase in studies on physiological mechanisms birds possess to cope with increasing temperatures. For range-restricted species such as Cape Rockjumpers Chaetops frenatus, whose population declines are correlated with habitat warming, we identified... -
Comparing family with individual genotype breeding parameters for cane yield in sugarcane populations
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Ntombokulunga W Mbuma --- South African Sugarcane Research Institute, South Africa Marvellous M Zhou --- South African Sugarcane Research Institute, South Africa Rouxlene van der Merwe --- Department of Plant Sciences, South AfricaFamily selection is the positive advancement of all progenies from a cross and is widely practiced in breeding for sugarcane and other crops. The objective of this study was to compare family with individual genotype selection (IGS) for cane yield... -
Awareness of the Ward Based Outreach Team and the services offered by the programme in the Tshwane health district, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: T Bongongo --- Department of Family Medicine & Primary Health Care, South Africa JV Ndimande --- Department of Family Medicine & Primary Health Care, South Africa GA Ogunbanjo --- Department of Family Medicine & Primary Health Care, South Africa AT Masango-Makgobela --- Department of Family Medicine & Primary Health Care, South Africa SN Nyalunga --- Department of Family Medicine & Primary Health Care, South Africa I Govender --- Department of Family Medicine & Primary Health Care, South AfricaBackground: The Ward Based Outreach Team (WBOT) is an organised team approach to a healthcare system based on the principles of epidemiology, primary health care, preventive medicine and health promotion. Globally, it has become a primary care response to many... -
Conflict management and prevention under the African Peace and Security Architecture (APSA) of the African Union
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Sophie Desmidt --- Policy Officer, Security and Resilience programme, Bruce LamontUnder the umbrella of the African Peace and Security Architecture (APSA), the African Union (AU) and Regional Economic Communities (RECs) have intervened in violent conflicts using a number of non-military tools. In the first section, after unpacking the institutional pillars... -
Prevalence and determinants of self-directed referrals amongst patients at hospitals in eThekwini District, KwaZulu-Natal 2015
Item type: Journal Article • Journal: South African Family Practice • Authors: A Rajman --- Discipline of Public Health Medicine, South Africa OH Mahomed --- Discipline of Public Health Medicine, South AfricaBackground: Non-compliance with designated referral pathways has ramifications such as increased patient waiting time, overburdening of higher levels of care and increasing healthcare costs on patients and the healthcare system. The purpose of this study was to assess the determinants... -
Bathymetry, substrate and fishing areas of Southeast Atlantic high-seas seamounts
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: OA Bergstad --- Institute of Marine Research (IMR), Norway ÅS Høines --- Institute of Marine Research (IMR), Norway R Sarralde --- Instituto Espanol de Oceanografia, Centro Oceanografico de Canarias, Spain G Campanis --- South East Atlantic Fisheries Organisation (SEAFO), Namibia M Gil --- Departamento de Ecología y Biología Animal, Edificio de Ciencias Experimentales, Spain F Ramil --- Departamento de Ecología y Biología Animal, Edificio de Ciencias Experimentales, Spain E Maletzky --- Ministry of Fisheries and Marine Resources, Namibia E Mostarda --- Food and Agriculture Organization of the United Nations (FAO), Italy L Singh --- Branch: Fisheries Management, Department of Agriculture, Forestry and Fisheries (DAFF), South Africa MA António --- Secretary of State of Affairs, Ministry of Agriculture, Rural Development and Fisheries, AngolaMost of the Southeast Atlantic Ocean is abyssal, and global bathymetries suggest that only ∼3.2% of the areas beyond national jurisdiction (ABNJ; also known as the high seas, as defined in the United Nations Convention on the Law of the... -
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... -
Brown hyaena (Parahyaena brunnea) diet composition from Zingela Game Reserve, Limpopo Province, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: J Philip B Faure --- Department of Nature Conservation, George South Africa Nadine J Holmes --- Primate and Predator Project, Lajuma Research Centre, South Africa Lawrence H Watson --- Department of Nature Conservation, George South Africa Russell A Hill --- Primate and Predator Project, Lajuma Research Centre, South AfricaBrown hyaenas Parahyaena brunnea are classified as ‘Near Threatened’. Although predominantly scavengers, they are frequently blamed for livestock depredations leading to persecution. Information on brown hyaena diets is important for understanding the degree of potential conflict with farming livelihoods and... -
An integrative review of South Africa’s approach to victim support
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Marelize Schoeman --- Department of Criminology and Security Science, South AfricaThis integrative review seeks to consider the evidence on how crime victims’ rights are served within South Africa’s criminal justice system. Victims view criminal proceeding as the means through which justice for the harms they suffered can be obtained. Such... -
Trauma awareness and preparedness: Their influence on posttraumatic stress disorder development related to armed conflict experience
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yvonne Duagani Masika --- Laboratoire de Psychologie Médicale et d’Addictologie, Belgium Christophe Leys --- Faculty of Psychology, Belgium Pierre Fossion --- Laboratoire de Psychologie Médicale et d’Addictologie, Belgium Paul Verbanck --- Laboratoire de Psychologie Médicale et d’Addictologie, Belgium Maurice Tingu Yaba Nzolameso --- Faculté de Psychologie et des Sciences de l’Education, Samuel Mampunza Ma Miezi --- Département de Psychiatrie, RDC Charles Kornreich --- Laboratoire de Psychologie Médicale et d’Addictologie, BelgiumThis study examined influences of trauma awareness and preparedness on the development of posttraumatic stress disorder (PTSD) in civilian and military personnel with exposure to the civil war. Participants were 302 people with exposure to civil war in the Democratic... -
Prediction of overt aggression experienced by college students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Chris Myburgh --- Department of Educational Psychology and Nursing Science, South Africa Marie Poggenpoel --- Department of Educational Psychology and Nursing Science, South Africa Cornelius Fourie --- Department of Educational Psychology and Nursing Science, South AfricaWe sought to predict overt aggression among college students from their intra- and interpersonal relationships self-perceptions. Respondents were 311 students (females = 69.8%; black = 65.9%, white = 16.7%; mean age = 26.38 years, SD = 9.57 years) from a... -
Paratext and the Making of YA Fiction Genre: The Repoussoir
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Jane Wangari Wakarindi --- African Literature, South AfricaThis paper is premised on the assumption that Young Adult Literature (YAL) is a relatively new development in Kenya, having been neglected both in research and production of books that promote the Young Adult Fiction (YAF) genre. The genre has... -
Phenotypical, physiological and biochemical traits of the vegetative growth of wild tepary bean (Phaseolus acutifolius) under restricted water conditions
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Reynaldo Leal-Delgado --- Botánica, Colegio de Postgraduados, México Cecilia B Peña-Valdivia --- Botánica, Colegio de Postgraduados, México Rodolfo García-Nava --- Botánica, Colegio de Postgraduados, México Antonio García-Esteva --- Botánica, Colegio de Postgraduados, México Eleazar Martínez-Barajas --- Departamento de Bioquímica, Facultad de Química, México Daniel Padilla-Chacón --- CONACyT – Colegio de Postgraduados, MéxicoTepary bean (Phaseolus acutifolius A. Gray) is distributed in arid and semi-arid regions from Arizona to the northern areas of Mexico. The objective of this study was to quantify the effects of water deficit on vegetative growth in four accessions... -
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). -
Antimicrobial stewardship in rural districts of South Africa: growing a positive culture
Item type: Journal Article • Journal: South African Family Practice • Authors: Klaus B von Pressentin --- Mossel Bay Sub-district, Garden Route District, South Africa Hendré Swanepoel --- Van Rensburg Lancet, South Africa Jessica JS Opie --- Division of Haematology, National Health Laboratory Service, South Africa Louis S Jenkins --- Division of Family Medicine and Primary Care, South AfricaBackground: The success of medical specialist-led antimicrobial stewardship activities in urban tertiary health care settings has been well documented. The issue of antimicrobial resistance remains an ongoing concern. This has particular relevance in primary health care communities treated from sub-district... -
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... -
The Role of Fiction Writers in the Development of Kiswahili
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Ernest Sangai Mohochi [cor1]This paper analyses fiction writers’ contribution to the development of Kiswahili language. The paper is anchored on the assumption that writers play a big role in the development of language. The contribution of fiction writers has not been widely investigated... -
Effects of social network services (SNS) subjective norms on SNS addiction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Joon-ho Kim --- The Cultural Policy Network, South Korea Goon-ju Kim --- Department of Future Strategy, South Korea Hyun-ju Choi --- Department of Cultural & Arts Management, South Korea Bong-ihn Seok --- Commercialization Finance Team, South Korea Nam-hyun Lee --- Department of Performing Arts, South KoreaWe examined social network services (SNS) influence on SNS subjective norms for connectivity, perceived pleasure, and addiction. Utilising survey data of ordinary South Africans (N = 927; female = 393), collected by a global research institution (Entrust Survey) between 1... -
The purse-seine fishery for small pelagic fishes off the Madeira Archipelago
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: R Tejerina --- Observatório Oceânico da Madeira, Agência Regional para o Desenvolvimento da Investigação, Tecnologia e Inovação (OOM/ARDITI) [Oceanic Observatory of Madeira/Regional Agency for the Development of Research, Technology and Innovation], Portugal M Hermida --- Observatório Oceânico da Madeira, Agência Regional para o Desenvolvimento da Investigação, Tecnologia e Inovação (OOM/ARDITI) [Oceanic Observatory of Madeira/Regional Agency for the Development of Research, Technology and Innovation], Portugal G Faria --- Research Service, Direção Regional de Pescas (DRP) [Regional Directorate of Fisheries], Portugal J Delgado --- Research Service, Direção Regional de Pescas (DRP) [Regional Directorate of Fisheries], PortugalSmall pelagic fishes constitute a valuable food resource for human consumption and are also important components of marine food webs. At Madeira, a Portuguese archipelago in the eastern Atlantic, they are the target of a year-round purse-seine fishery operating mainly... -
Identification of land predators of African Penguins Spheniscus demersus through post-mortem examination
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ralph ET Vanstreels --- Marine Apex Predator Research Unit, Institute for Coastal and Marine Research, South Africa Nola J Parsons --- Southern African Foundation for the Conservation of Coastal Birds, South Africa Cuan McGeorge --- Stony Point Nature Reserve, South Africa Renata Hurtado --- Southern African Foundation for the Conservation of Coastal Birds, South Africa Katrin Ludynia --- Southern African Foundation for the Conservation of Coastal Birds, South Africa Lauren Waller --- Southern African Foundation for the Conservation of Coastal Birds, South Africa Monique Ruthenberg --- Hottentots Holland Nature Reserve, South Africa Arne Purves --- Environmental Management Department, Transport and Urban Development Authority, South Africa Lorien Pichegru --- Marine Apex Predator Research Unit, Institute for Coastal and Marine Research, South Africa Pierre A Pistorius --- Marine Apex Predator Research Unit, Institute for Coastal and Marine Research, South AfricaThe African Penguin Spheniscus demersus is an endangered seabird endemic to southern Africa, and killing sprees by terrestrial predators have been one of the main threats for its mainland colonies. The methods employed to manage predators may differ depending on... -
Prevalence of bullying victimisation and associated factors among in-school adolescents in Mozambique
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Karl Peltzer --- Department of Research & Innovation, South Africa Supa Pengpid --- ASEAN Institute for Health Development, Mahidol University, Salaya, Phutthamonthon, Nakhonpathom, Thailand; Department of Research & Innovation, South AfricaThe study aimed to assess the prevalence of bullying victimisation and its correlates among middle school students in Mozambique. We analysed cross-sectional survey data from the 2015 Mozambique Global School-based Health Survey (GSHS). The sample consisted of 1 918 participants... -
Levels and determinants of HIV testing uptake among Ghanaian men
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Samuel H Nyarko --- Department of Demography, College of Public Policy, USA Corey Sparks --- Department of Demography, College of Public Policy, USAThe uptake of HIV testing has always been found to be lower among men compared with women in many developing countries. The aim of this study was to ascertain the level and determinants of HIV testing uptake among men aged... -
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... -
The relationship between perceived parenting dimensions, attachment, and pre-adolescent bullying
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mariska Carter --- Department of Psychology, South Africa Ronél van der Watt --- Department of Psychology, South Africa Karel Esterhuyse --- Department of Psychology, South AfricaThis study investigated the mediating and/or moderating role of pre-adolescent learners’ perception of their parent-child attachment on the relationships between perceived parenting dimensions (acceptance, firm control, and psychological control) and types of bullying experience (physical, verbal, social-relational, and cyber-bullying). We... -
The diet of spotted-necked otters foraging in trout-stocked waters in Mpumalanga, South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Rowan K Jordaan --- , South Africa Michael J Somers --- , South Africa Grant Hall --- , South Africa Trevor McIntyre --- , South AfricaHuman-wildlife conflict is likely to increase as urbanisation increases. African clawless otters, Aonyx capensis, and spotted-necked otters, Hydrictis maculicollis, are illegally persecuted for their perceived role in reducing trout in artificially stocked habitats in South Africa. The diet of African... -
Attachment styles as predictors of intimate partner violence: A retrospective study with a student population
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Natasja K. Magorokosho --- , Namibia Mara Mberira --- , NamibiaThis study explored the relationship between intimate partner violence (IPV) perpetration or victimisation and intrinsic factors such as attachment styles. A total of 159 male and 221 female undergraduate students, ranging in age from 18 to 50 participated in the... -
Social networking sites self-image antecedents of social networking site addiction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Joon-ho Kim --- , South Korea Seung-hye Jung --- , South Korea Jong-chang Ahn --- , South Korea Bo-seong Kim --- , South Korea Hyun-ju Choi --- , South KoreaThis study examined social network services (SNS) self-image and relationship influences on SNS addiction in a cross-national sample of adults (N = 444; South Africans = 214, Americans = 230; females = 49.3%) using survey data collected by the global... -
Encountering, explaining and refuting essentialism
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Jonatan Kurzwelly --- , South Africa Nigel Rapport --- , United Kingdom Andrew D. Spiegel --- , South AfricaEssentialism manifests itself in a diversity of forms and is used in multiple ways. Yet it is always potentially dangerous — even when it is mobilised strategically and in apparently worthy forms for purposes of overcoming oppressive structures. As the... -
Threats posed by xenoestrogenic chemicals to the aquatic ecosystem, fish reproduction and humans: a review
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: I Badamasi --- , Uganda R Odong --- , Uganda C Masembe --- , UgandaXenoestrogens mimic and interfere with natural functions of oestrogens and adversely affect fish reproduction. Pesticides, plastics, wastewaters and pharmaceuticals are sources of xenoestrogens, and are carried through surface runoffs to water bodies at concentration levels that are harmful to aquatic... -
Annual litter production in a Brazilian Cerrado woodland savanna
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Alan N Costa --- , Brazil Alessandra Bartimachi --- , Brazil Heraldo L Vasconcelos --- , USA Emilio M Bruna --- , USA Ernane HM Vieira-Neto --- , USAThe Brazilian Cerrado is a heterogeneous ecosystem where annual woody-layer litter production shows strong spatiotemporal variation. Although Cerrado litter dynamics have been well-documented in forest physiognomies, knowledge from savanna habitats remains limited despite their predominance across the landscape. In this... -
A review of some aspects of the ecology, population trends, threats and conservation strategies for the common hippopotamus, Hippopotamus amphibius L, in Zimbabwe
Item type: Journal Article • Journal: African Zoology • Authors: Beaven Utete --- , ZimbabweThis review explores some ecological aspects of the common hippopotamus (hippo), Hippopotamus amphibius L, threats to its population and contextual peculiarities affecting its conservation in selected water systems in Zimbabwe. Scoping surveys of literature and thematisation of common issues related... -
Exploring information and communication technology among rural dwellers in sub-Saharan African communities
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Naeem Atanda Balogun --- , Nigeria Fabian Aiterebhe Ehikhamenor --- , Nigeria Omenogo Veronica Mejabi --- , Nigeria Rafiat Ajibade Oyekunle --- , Nigeria Olayiwola Wasiu Bello --- , Nigeria Oluyinka Titilope Afolayan --- , NigeriaThe study used survey design and collected data using a questionnaire. Stratified random sampling was employed to identify 12 rural communities evenly spread across the three senatorial districts of Kwara State, Nigeria. From each community, 125 respondents were purposively sampled,... -
Estimating effects of information and communication technology (ICT) on the productivity of manufacturing industries in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mapula Hildah Lefophane --- , South Africa Mmatlou Kalaba --- , South AfricaThis paper serves to examine whether the growth in labour productivity (LP) in South Africa’s manufacturing sector, following policy reforms after 1994, can be attributed to ICT use. To achieve this, we examine the link between ICT intensity and LP... -
Human trafficking in the hospitality industry in the Netherlands
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Gonneke Kragt --- , the NetherlandsThis article explores the level of preparedness of front office (FO) employees to recognise and react to human trafficking (HT). The information used for this research was based on relevant literature related to the subject. Also, data for this study... -
Customer behavioural analysis: The impact of internet addiction, interpersonal competencies and service orientation on customers’ online complaint behaviour
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Seonjeong Ally --- , USA Aryn C. Karpinski --- , USA Aviad A. Israeli --- , USACustomers share their service experiences on social media. However, prior research has not investigated the role of customers’ traits on their complaining behaviour. This study focuses on a hospitality setting to explore relationships among customers’ interpersonal competencies, internet addiction, service... -
Mobile phone addiction and cognitive failures in Chinese adolescents: The role of rumination and mindfulness
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bin Zhang --- , China Yu Peng --- , China Xin-sen Luo --- , China Hui-li Mao --- , China Yan-hong Luo --- , China Rong-ting Hu --- , China Si-cheng Xiong --- , ChinaWe aimed to explore the relationships between mobile phone addiction and cognitive failures in adolescents. Our study sample consisted of 816 adolescents from two high schools in China (female = 413; mean age = 15.86 years, SD = 0.80 years)... -
Stock price prediction using multiple valuation methods based on artificial neural networks for KOSDAQ IPO companies
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Jae Jung Han --- , Korea Hyun-jung Kim --- , KoreaIt is difficult to predict future payoffs for initial public offerings (IPOs), since the multiple valuation method used to determine IPOs’ prices provides estimates by reflecting current sentiments in specific market environments. As our model reflects accounting information and stock... -
International investor sentiment and stock returns: Evidence from China
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Li Zi-long --- , China Wang Su-sheng --- , China Hu Ming-zhu --- , ChinaWith the accelerated opening up of China’s financial sector, international investors have increasingly become a key investment group. To describe the international investor sentiment towards Chinese stock assets, we select sentiment proxies from the transaction data in the China A-share... -
Role conflict experiences of South African shop stewards: An exploratory study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mokgata Matjie --- , South Africa Molefe Maleka --- , South Africa Carol Allais --- , South AfricaThis study explored the role conflict experiences of South African shop stewards. Our informants comprised 20 shop stewards who attended face-to-face interviews regarding what motivates them, the challenges they face, and how they cope in their roles. Thematic analysis of... -
Does extant work-family research generalize to African Nations? Meta-analytic tests
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Jenny M. Hoobler --- , South Africa Suzanne Gericke --- , South Africa Eileen Koekemoer --- , South AfricaThis study explores the question of the generalizability of extant work-family research, most of which has been conducted in Western cultural contexts, to workers in African nations. We conducted a meta-analysis of African research (55 studies, N = 16,162), comparing means for... -
Rethinking open government as innovation for inclusive development: Open access, data and ICT in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Paul Plantinga --- , South Africa Rachel Adams --- , South AfricaOpen government has come to be closely associated with innovation for inclusive development (IID). These two areas of practice and research have converged around similar mechanisms aimed at achieving inclusive development outcomes including: open interaction between government, technologists and end-users... -
Criminal psychology trend prediction based on deep learning algorithm and three-dimensional convolutional neural network
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yan Fan --- , ChinaIn the modern era, the empirical analysis of countermeasures against crime has developed rapidly from the perspective of crime causes. The concept of punishment based on preventionism has been vigorously developed. We aimed to apply the principle of convolutional neural... -
The influence of self-identity on social support, loneliness, and internet addiction among Chinese college students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Ming Hong --- , Belarus Dmitry G. Dyakov --- , Belarus Jianhong Zheng --- , ChinaWe examined the mediating role of social support and loneliness in self-identity and internet addiction among college students. Participants were 364 Chinese college students (female = 66.50%; mean age = 20.21 years, SD = 1.51 years). The students completed the... -
Social anxiety, maladaptive cognition, mobile phone addiction, and perceived social support: A moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Hui-Ling Zhou --- , China Huai-Bin Jiang --- , China Bin Zhang --- , China Han-Yu Liang --- , ChinaThis study tested the mediation effect of maladaptive cognition in the association between social anxiety and mobile phone addiction, and the moderating role of perceived social support in that relationship. A sample of 468 Chinese university students (female = 43.6%;... -
Potentials of leys or pasture-based forage production in Nigeria
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Saheed Olaide Jimoh --- , China Yunusa Muhammad Ishiaku --- , Nigeria Tracy Burnett --- , United States Ahmed Adeyemi Amisu --- , Nigeria Rasheed Adekunle Adebayo --- , South AfricaFulani pastoralists are widely distributed across the six geographical zones of Nigeria and migrate from north to south in search of natural grazing lands at times of forage scarcity. This migration leads annually to resource use conflict and deadly attacks... -
Adult attachment: Its mediation role on childhood trauma and mobile phone addiction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Han-Yu Liang --- , China Bin Zhang --- , China Huai-Bin Jiang --- , China Hui-Ling Zhou --- , ChinaThis study aimed to examine the extent to which adult attachment mediates the relationship between childhood trauma and mobile phone addiction. The sample consisted of 263 Chinese college students in Fujian (female = 65.4%; mean age = 19.45 years, SD... -
‘A Fiction to Mock the Cuckold’: Reinvigorating the Cliché Figure of the Cuckold in Abdulrazak Gurnah’s By the Sea (2001) and Gravel Heart (2017)
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Sean James Bosman --- , South AfricaThis article argues that Abdulrazak Gurnah reinvigorates the cliché figure of the cuckold into a complex narrative device. His cuckolds serve as nexuses through which he expresses some of his authorial concerns in By the Sea (2001) and Gravel Heart... -
Gendered group conflict effects on prosecutors’ psychological well-being: A brief study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Petro Erasmus --- , South Africa Refilwe G. Pila-Nemutandani --- , South Africa Abimbola A. Akanni --- , Nigeria Wandile F. Tsabedze --- , South AfricaWe explored gendered group conflict effects on forms of occupational stress and psychological well-being of prosecutors in Botswana. A convenience sample of 92 prosecutors (female = 52%; married = 35.9%; mean years of service = 6.38 years, SD = 3.84... -
Population Viability Analysis for a vulnerable ground-nesting species, the Cape Rockjumper Chaetops frenatus: assessing juvenile mortality as a potential area for conservation management
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Krista N Oswald --- , South Africa Alan TK Lee --- , South AfricaAs an endemic bird to the Fynbos biome, prominently featured in literature and marketing material for the avifauna of the continent, the Cape Rockjumper Chaetops frenatus is an iconic species of South Africa. Building on studies from the past decade,... -
Predicting corporate defaults using machine learning with geometric-lag variables
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Hyeongjun Kim --- , Korea Hoon Cho --- , Korea Doojin Ryu --- , KoreaThis study examines whether corporate default prediction techniques based on machine learning can achieve better performance by using geometrically declining weighted average values of the time series variables, that is, geometric-lag variables. We test four machine learning algorithms: logistic regression,... -
Understanding ICT adoption amongst SMEs in Uganda: Towards a participatory design model to enhance technology diffusion
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Stephen Kyakulumbye --- , South Africa Shaun Pather --- , South AfricaPolicy statements by the United Nations, the African Union and most African countries boldly pronounce on the anticipated benefits of the internetworked world and associated ICT to society in general and to the world of business specifically. In terms of... -
Altered urban landscape: Shedding light on conflicts in a landfill community in Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ebenezer Owusu-Sekyere --- , GhanaThe challenge of solid waste management has been subjected to a variety of reactions and interpretations: strange mixtures of neglect and misconceptions of what could be the way forward. Over the years, Ghanaian authorities have problematized issues of waste management... -
Agreement between measured height, and height predicted from published equations, in adult South African patients
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Hanna Williamson --- , Corinna Walsh --- , Mariette Nel --- , Louise van den Berg --- , -
Out on a limb: female chameleons (Bradypodion pumilum) position themselves to minimise detection, whereas males maximise mating opportunity
Item type: Journal Article • Journal: African Journal of Herpetology • Authors: Alexander D Rebelo --- South African National Biodiversity Institute, Kirstenbosch Research Centre, Claremont, South Africa Res Altwegg --- University of Cape Town, South Africa Eric M Katz --- South African National Biodiversity Institute, Kirstenbosch Research Centre, Claremont, South Africa Krystal A Tolley --- South African National Biodiversity Institute, Kirstenbosch Research Centre, Claremont, South AfricaAlthough reproductive strategies are poorly documented in chameleons, sperm storage has been confirmed among some species for which male reproductive success may be maximised by increasing the number of females inseminated and/or preventing subsequent female copulation with rival males. Behaviour,... -
Self-control mediation on the relationship between personal growth initiative and smartphone addiction among Chinese university students
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yongguang Chen --- , China Yungui Guo --- , ChinaWe examined the role of self-control in the relationship between personal growth initiative and smartphone addiction among university students. A convenience sample of 783 Chinese students (female = 75.7%; mean age = 20.34 years, SD = 1.44 years) completed measures... -
Determinants of antiretroviral treatment adherence among patients attending secondary health care facilities in north-east and south-west Nigeria: a comparative study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Sonnen Atinge --- , Nigeria Oluchi J Kanma-Okafor --- , Nigeria Temitope W Ladi-Akinyemi --- , Nigeria Iorhen E Akase --- , Nigeria Adebayo T Onajole --- , Nigeria -
Entrepreneurship and the innovation ecosystem policy: A case study in post-conflict Somalia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ephraim Daka --- , Finland Sadiyo A Siad --- , Mogadishu, SomaliaThe science, technology and innovation (STI) framework is a fundamental catalyst for economic development, growth, and sustainability. Somalia has been recording moderate economic growth despite external shocks related to security, drought, and famine. However, there are severe shortcomings in the... -
Problematic smartphone use among adults: Exploratory measure development and validation in Saudi Arabia
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Abdulrahman Al-Mohaimeed --- , Saudi Arabia Mansour Alharbi --- , Saudi Arabia Farid Midhet Mahmood --- , Pakistan Ilias Mahmud --- , Saudi ArabiaThis study aimed to develop and validate a scale to measure problematic smartphone use. Respondents were 708 adults (female = 54.1%, mean age = 25.1 years, SD = 8.5 years) who were randomly recruited for a cross-sectional survey. We purposively... -
Narrating Kenyan Silenced Histories through Fiction in Yvonne Owuor’s Dust
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Amos Burkeywo --- , KenyaThe primary focus of this paper is to examine the intersection of history and fiction in Yvonne Owuor’s novel Dust to unearth silenced (hi)stories in colonial and postcolonial Kenya while locating the text within its historical context. By examining intersection... -
Surviving the Genocide: The Singularity of Suffering in Yvonne Owuor's “Weight of Whispers”
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Edgar Fred Nabutanyi --- , UgandaAlthough Theodor Adorno famously declared in 1983 that to write a poem after Auschwitz is barbaric, profound acts of horror have inspired many literary masterpieces. The 1994 Rwandan genocide is no exception, having motivated some of Africa’s literary gems. While... -
InfoInternet for education in the Global South: A study of applications enabled by free information-only internet access in technologically disadvantaged areas
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Johanna Johansen --- , Norway Josef Noll --- , Norway Christian Johansen --- , NorwayThis paper summarizes our work on studying educational applications enabled by the introduction of a new information layer called InfoInternet. This is an initiative to facilitate affordable access to internet-based information in communities with network scarcity or economic problems from... -
Work stressors and vicarious trauma among South African Police Service members
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Masefako Andronica Gumani --- , South AfricaThis study explored vicarious stress experiences of South African Police Service members from a rural district serving victims of trauma. Informants were 19 police members (female = 26.3%; constables = 21%; age range = 27 to 55). The police members... -
Is a sentiment-based trading strategy profitable?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Karam Kim --- , Republic of Korea Doojin Ryu --- , Republic of Korea Jinyoung Yu --- , Republic of Korea We examine whether sentiment indices predict individual firms’ stock returns and evaluate the performances of sentiment-based trading strategies in the Korean equity market. We find that the sentiment indices (constructed using the principal component analysis (PCA) and overnight stock returns)... -
Economic policy uncertainty and industry portfolio returns in the United States
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Asil Azimli --- , TurkeyThis paper examines whether returns on 49 different industry portfolios in the United States (US) expose significantly to the US economic policy uncertainty (EPU) even after controlling for the market and firm-specific risk factors. We find that the US EPU... -
Unintended consequences of technology-enabled work activities experienced by healthcare professionals in tertiary hospitals of sub-Saharan Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluwamayowa Ogundaini --- , South Africa Retha de la Harpe --- , South Africa Nyx McLean --- , South AfricaThe unintended consequences experienced by healthcare professionals while using health ICTs at points-of-care are disruptive to their work activities. Failure to address these consequences inhibits efforts to support the delivery of quality healthcare services in hospital settings. Hence, the aim... -
Factors affecting commercialisation of vegetables by central Vietnamese smallholders
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Hung Gia Hoang --- , VietnamIn order to promote smallholders to adopt the commercial farming of crops, it is important to understand the factors that affect their decisions to commercialize. However, little empirical research has looked at what has shaped smallholders’ decisions to adopt commercial... -
Indigenous knowledge and science-based predictors reliability and its implication for climate adaptation in Ghana
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Daniel Adu Ankrah --- , Ghana Nana Afranaa Kwapong --- , Ghana Seth Dankyi Boateng --- , GhanaThe study examined the reliability of indigenous knowledge and science-based predictors of climate and how this influences smallholder farmers’ practices and adaptations in Ghana’s three regions (Northern, Western and Volta regions). Two districts were selected in each region: Builsa South... -
Top management team cognition and strategic decision performance: The mediating role of team conflict
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Meng Chenli --- , ChinaThis study assessed the influence of top team conflict on top management team (TMT) cognition (ability and need), strategic decision-making (quality and satisfaction), and differentiating between task conflict and emotional conflict. Participants were from 63 Chinese enterprises (n = 226; female= 45.58%;... -
Farm-scale digital soil mapping of soil classes in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Trevan Flynn --- , Czech Republic Andrei Rozanov --- , South Africa Freddie Ellis --- , South Africa Willem de Clercq --- , South Africa Cathy Clarke --- , South AfricaThis study involved the evaluation of farm-scale digital soil classification in the Sandspruit catchment of the Western Cape Province, South Africa. The study aimed to evaluate a digital soil mapping (DSM) method, from feature selection, spatial predictions and sample design... -
Local perceptions and sociocultural value of Hooded Vultures Necrosyrtes monachus in Burkina Faso, West Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Clément Daboné --- University Centre of Tenkodogo/University Thomas Sankara, Burkina Faso Adama Ouéda --- University Joseph Ki-Zerbo, Burkina Faso Lindy J Thompson --- , South Africa Jacques Boco Adjakpa --- University of Abomey-Calavi, Benin Peter DM Weesie --- University of Groningen, The NetherlandsHooded Vultures have suffered from dramatic population declines in recent decades owing to anthropogenic pressures. To properly address this threat, the sociocultural perspectives towards this species should be considered. We examined peoples' perceptions, knowledge and beliefs on Hooded Vulture's sociocultural... -
The Feminist Writer and the Subaltern: A Perspective on Ole Kulet’s Blossoms of the Savannah
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Andrew Nyongesa --- , Kenya Joseph Gaita Murimi --- , Kenya Justus Kizito Makokha --- , KenyaDominant literary conversations like post-structuralism have crowned the literary writer as an impartial and reliable voice for the voiceless in oppressive cultural settings. Since the marginal group is weak and cannot speak for themselves, the intellectual is given express authority... -
World Wars and Trauma: Lake Victoria Basin Women Novelists’ Reflections
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Wafula Yenjela --- , KenyaThis article reads Kenyan novels that catalogue the trauma of the Luo veterans of World War I and II. The focus is on Grace Ogot’s The Promised Land (1966), Margaret Ogola’s The River and the Source (1994), Marjorie Macgoye’s The... -
Space, Time and the Ethics of Graphic Wit(h)nessing: Rupert Bazambanza’s Smile through the Tears
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Nick Mdika Tembo --- , South AfricaThis article proposes a reading, through the lens of Bracha Ettinger’s theoretical notion of ‘wit(h)nessing,’ of Rupert Bazambanza’s Smile through the Tears as a graphic memoir that draws on the Rwandan historical archive to bear witness to the trauma of... -
The contribution and value of the trait-based approach to water resource protection
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Oghenekaro Nelson Odume --- , South AfricaFreshwater is one of the Earth’s most crucial resources for social-economic development and prosperity. Biomonitoring contributes to water resource protection by integrating a holistic picture of ecosystem health through an analysis of resident biota. The taxonomy-based approach, in which taxa... -
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... -
Understanding the impact of the digital divide on South African students in higher educational institutions
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Samuel T. Faloye --- University of KwaZulu-Natal, South Africa Nurudeen Ajayi --- University of Johannesburg, South AfricaThe integration of technology into educational systems has brought about changes in the style of teaching and learning. Nowadays, educational institutions are adopting technologies such as computers, and the Internet to enhance teaching and learning activities. However, the use of... -
Business incubation initiatives and innovation capabilities of micro-sized enterprises: Exploring the software ICT value chain
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Oluyemi Theophilus Adeosun --- University of Lagos Nigeria, Nigeria Ibrahim Ayodele Shittu --- University of Lagos Nigeria, NigeriaPromoting innovative capabilities in Small and Medium Scale Enterprises (SMEs) is crucial if African countries are to progress in terms of being active in the Global Value Chain (GVC) and achieve inclusive development. Enhancing innovative capabilities in the Information Communication... -
Mediating roles of social anxiety and interpersonal distress in the relationship between mobile phone addiction and loneliness
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Taiyong Bi --- Zunyi Medical University, China Hui Kou --- Zunyi Medical University, China Qinhong Xie --- Zunyi Medical University, China Jie Dong --- Zunyi Medical University, ChinaThe present study aimed to explore the relationship between mobile phone addiction and loneliness among college students and the possible mediating roles of social anxiety and interpersonal distress may play in that relationship. A total of 477 Chinese college students... -
Nearly para-Kähler geometry on Lie groups
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Leila Nourmohammadifar --- Arak University, Iran Esmaeil Peyghan --- Arak University, IranIn this paper, we introduce left-invariant (strict) nearly para-Kaähler structures on Lie groups (nearly para-Kähler Lie algebras) and present some properties of them. We prove the existence of a unique connection in terms of the characteristic connection on these Lie... -
Understanding the translocation dynamics of Nile tilapia (Oreochromis niloticus) and its ecological consequences in East Africa
Item type: Journal Article • Journal: African Zoology • Authors: Papius Dias Tibihika --- National Fisheries Resources Research Institute, Uganda Harald Meimberg --- Institute for Integrative Nature Conservation Research, University of Natural Resources and Life Sciences Vienna (BOKU), Austria Manuel Curto --- Institute for Integrative Nature Conservation Research, University of Natural Resources and Life Sciences Vienna (BOKU), AustriaThe Nile tilapia (Oreochromis niloticus) is the second-most economically important fish species in East African countries (EAC), surpassed only by the Nile perch (Lates niloticus). It is the most-farmed freshwater fish species in EAC and the second-most-farmed worldwide. Currently, in... -
A latent class analysis of adverse childhood life events in Ugandan adolescents
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Paulo Ferrajão --- Universidade Europeia, Portugal Francisco Frias --- Universidade Europeia, Portugal Joana Ramos --- Universidade Europeia, Portugal Ask Elklit --- University of Southern Denmark, DenmarkThis study aimed to characterise adverse childhood events (ACEs) experiences of school-going Ugandan adolescents (female = 50.6%, with diagnosis of post-traumatic stress disorder: PTSD = 38.2%; mean age = 15.9 years, SD = 1.2 years). The children completed the Harvard... -
Loneliness and mobile phone addiction in Chinese college students: a moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Bin Zhang --- Hunan University of Chinese Medicine, China Hanyu Liang --- Guizhou Medical University, China Yanhong Luo --- Hunan University of Chinese Medicine, China Yu Peng --- Hunan University of Chinese Medicine, China Zhiyan Qiu --- Hunan University of Chinese Medicine, China Huili Mao --- Hunan University of Chinese Medicine, China Mengqi Yuan --- Hunan University of Chinese Medicine, China Sicheng Xiong --- Hunan University of Chinese Medicine, ChinaThis study aimed to investigate (i) the relationship between loneliness and mobile phone addiction; (ii) the mediating role of negative affect in the association between loneliness and mobile phone addiction; and (iii) the moderating effect of perceived stress in the... -
How peer conversations about HIV/AIDS media messages affect comprehension and beliefs of young South African women
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: E. Lubinga --- , , South Africa A.A. Maes --- , , The Netherlands C.J.M. Jansen --- , , South AfricaMost existent research on the effects of interpersonal discussions about health campaign messages is based on surveys. In this study, we analysed actual conversations about an HIV/AIDS poster to find out possible effects. Young South African women in 59 dyads... -
Transhumance pastoralism in West Africa – its importance, policies and challenges
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Eric Cofie Timpong-Jones --- Livestock and Poultry Research Centre (LIPREC), University of Ghana, Ghana Igshaan Samuels --- University of the Western Cape, South Africa Felix Owusu Sarkwa --- Livestock and Poultry Research Centre (LIPREC), University of Ghana, Ghana Kwame Oppong-Anane --- Oporhu Agricultural and Rural Development Consultancy Ltd, Ghana Ayodele Oluwakemi Majekodumni --- Food and Agriculture Organization of the United Nations (FAO), NigeriaThe Economic Community of West African States (ECOWAS) recognises transhumance pastoralism as a beneficial livestock production system that can contribute to food security together with economic and political stability. Thus, the subregional bloc put together the ECOWAS Protocol on Transhumance... -
A trait database for southern African freshwater invertebrates
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Oghenekaro N Odume --- Institute for Water Research, Rhodes University, South Africa Frank C Akamagwuna --- Institute for Water Research, Rhodes University, South Africa Pindiwe Ntloko --- Institute for Water Research, Rhodes University, South Africa Helen F Dallas --- , South Africa Chika F Nnadozie --- Institute for Water Research, Rhodes University, South Africa Helen M Barber-James --- , South AfricaInvertebrates are often used as indicators of ecosystem health. In community ecology, the use of organism traits (e.g. behavioural, biological or ecological) can be of value in relation to impact diagnosis and assemblage prediction. It has also been recognised that... -
Incidence and predictors of diabetes mellitus among severe COVID-19 patients in western Ethiopia: a retrospective cohort study
Item type: Journal Article • Journal: Journal of Endocrinology, Metabolism and Diabetes of South Africa • Authors: Tadesse Tolossa --- Wollega University, Ethiopia Matiyos Lema --- Wollega University, Ethiopia Bizuneh Wakuma --- Wollega University, Ethiopia Ebisa Turi --- Wollega University, Ethiopia Ginenus Fekadu --- Wollega University, Ethiopia Diriba Mulisa --- Wollega University, Ethiopia Getahun Fetensa --- Wollega University, EthiopiaBackground: Evidence reported a high occurrence of diabetes mellitus (DM) during the time of COVID-19. This study aimed to assess the incidence of DM and its predictors among severe COVID-19 patients admitted to the treatment centre of Wollega University Referral... -
HIV infections averted at PEPFAR-APIN clinics in Nigeria: a ten-year retrospective evaluation of the clinical outcomes of post-exposure prophylaxis services
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Abdulmuminu Isah --- University of Nigeria, Nigeria Nneka Uchenna Igboeli --- University of Nigeria, Nigeria Obinna Felix Dim --- University of Nigeria, Nigeria Azubuike Amos Ekwuofu --- University of Nigeria, NigeriaIntroduction: Nigeria contributes a high fraction to the global burden of HIV infections. Post-exposure prophylaxis (PEP) is a proven strategy to prevent transmission of the virus. The aim of this study was to determine the clinical outcomes of PEP in... -
Measuring corporate failure risk: Does long short-term memory perform better in all markets?
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Hyeongjun Kim --- Yeungnam University, Korea Hoon Cho --- Korea Advanced Institute of Science and Technology, Korea Doojin Ryu --- Sungkyunkwan University, KoreaRecently, various corporate failure prediction models that use machine learning techniques have received considerable attention. In particular, using a sequence of a company's historical information, rather than just the most recent information, yields better predictive performance by adopting recurrent neural... -
Parent and peer attachment in bullying experiences among pre-adolescents
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Mariska Carter --- University of the Free State, South Africa Ronél van der Watt --- University of the Free State, South Africa Karel Esterhuyse --- University of the Free State, South AfricaThe study aimed to determine the mediating and/or moderating associations of perceived parent attachment and peer attachment dimensions (trust, communication, alienation) with bullying experiences (perpetration and/or victimisation). Data were collected from 465 Sesotho-speaking learners (10 – 12 years; female =... -
Configuring blended education
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Javed Suleri --- NHL Stenden University of Applied Sciences, The Netherlands Wichard Zwaal --- NHL Stenden University of Applied Sciences, The NetherlandsThis study investigated the role of information and communication technology (ICT) infrastructure, software, competencies and values in blended education. A 28-item survey was administered to a sample of 102 respondents from several institutes of higher education. Results show that infrastructure... -
Alexithymia and mobile phone addiction among college students: Mediation by boredom proneness and anxiety
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Huaibin Jiang --- Fujian Polytechnic Normal University, China Hanyu Liang --- Guizhou Medical University, China Bing Li --- Guizhou University, China Anxie Tuo --- Guizhou Medical University, ChinaThe current study explored the mediating role of boredom and anxiety on the relationship between alexithymia and mobile phone addiction among Chinese college students. Participants (n = 354; female = 49.7%, mean age = 19.30 years, SD = 1.28 years)... -
ICT impact and firm size: Empirical results from Vietnam
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Dang Thi Viet Duc --- , Vietnam Phuoc Van Nguyen --- , VietnamThis paper examines the effect of firm size on firms’ ICT adoption and productivity impact by running models for four size groups of 11,709 Vietnamese firms. The results reveal two main points. Firstly, the application of basic ICT is relatively... -
Governance challenges in Ghana’s artisanal and small-scale mining (galamsey) sector: Is stakeholder interaction the way forward?
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Issah Baddianaah --- University for Development Studies, Ghana Bernard Nuoleyeng Baatuuwie --- University for Development Studies, Ghana Abdul-Moomin Adams --- S.D. Dombo University of Business and Integrated Development Studies, GhanaArtisanal and small-scale mining (ASM) operations have surged in Ghana in recent years causing many environmental and social problems. The government has employed the military to eradicate illegal mining operations. However, despite the military’s countless efforts to clamp down on... -
Perception of proposed preliminary food-based dietary guidelines for Lake Victoria region of Kenya: findings from a qualitative study among adult community members
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: EC Korir --- Egerton University, Kenya PJ Tuitoek --- Murang’a University of Technology, Kenya D Marais --- Warwick Medical School, United Kingdom -
Mobile phone addiction, self-control, physical exercise, and depression: A moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Shejun Niu --- Zhengzhou Urban Construction Vocational College, ChinaThis study explored the role of self-control and physical exercise on the relationship between mobile phone addiction and depression. College students (n = 514, female = 56.8%, mean age = 18.43 years, SD = 0.72 years) completed the Mobile Phone... -
Barriers to linkage and retention in HIV care still persist among adolescent girls and young women in western Kenya
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Zachary A Kwena --- Kenya Medical Research Institute, Kenya Rivet K Amico --- University of Michigan, USA Tsitsi B Masvawure --- College of the Holy Cross, USA Kenneth K Ngure --- Jomo Kenyatta University of Agriculture and Technology, Kenya Elizabeth A Bukusi --- Kenya Medical Research Institute, Kenya Robert H Remien --- New York State Psychiatric Institute and Columbia University, USA Perez O Ochwal --- Kenya Medical Research Institute, Kenya Nadia Nguyen --- New York State Psychiatric Institute and Columbia University, USA Joanne E Mantell --- New York State Psychiatric Institute and Columbia University, USAAdolescent girls and young women (AGYW) in sub-Saharan Africa experience delayed linkage to and poor retention in HIV care. Identifying and addressing specific barriers in HIV care programming is important to achieving the upgraded UNAIDS 95-95-95 targets and epidemic control... -
Assessing the impact of the COVID-19 restrictions on HIV testing services in Malawi: an interrupted time series analysis
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Barinaadaa Afirima --- , Malawi Ihoghosa O Iyamu --- University of British Columbia, Canada Zeena A Yesufu --- , Nigeria Emem Iwara --- , Nigeria David Chilongozi --- , Malawi Louis Banda --- , Malawi Emanuel Zenengeya --- , Malawi Chimwemwe Mablekisi --- , Malawi Blackson Matatiyo --- , Malawi Joseph Kuye --- , Nigeria Odo Michael --- , Liberia Andrew Gonani --- , Malawi Melchiade Ruberintwari --- , Mali Ngonidzashe Madidi --- , Malawi Edward Oladele --- , Zambia Chris Akolo --- , USABackground: Restrictions on public gatherings and movement to mitigate the spread of COVID-19 may have disrupted access and availability of HIV services in Malawi. We quantified the impact of these restrictions on HIV testing services in Malawi. -
Intergroup emotions and intergroup attitudes in post-apartheid South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Elirea Bornman --- University of South Africa, South Africa Johan C. Mynhardt --- University of South Africa, South Africa Dion van Zyl --- University of South Africa, South AfricaThis article investigates the relationships among intergroup emotions and intergroup attitudes among three South African ethno-linguistic groups. The sample included 1 658 respondents (350 Afrikaans-speaking white South Africans; 526 English-speaking white South Africans; and 782 black South African respondents). They... -
Towards the digitalization of poultry industry in Nigeria: An investigation of farmers’ knowledge and practices
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Khadijat O. Olanrewaju --- Osun State University, Nigeria Olaide K. Akintunde --- Osun State University, Nigeria Moshood A. Popoola --- Federal College of Animal Health and Production Technology, Moor Plantation, Ibadan, Nigeria Ahmed O. Busari --- Osun State University, Nigeria Moses O. Omotosho --- Osun State University, NigeriaThe array of digital technologies portends huge significance for up-scaling poultry enterprises for optimized efficiency and productivity. The study investigated poultry farmers’ knowledge and the technicality of their practices concerning digital technologies. Members of the Poultry Farmers Association of Nigeria... -
District analysis of poverty dynamics in rural South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Manana Mamabolo --- University of Pretoria, South Africa Petronella Chaminuka --- Agricultural Research Council, South Africa Charles Machethe --- University of Pretoria, South AfricaPersistent poverty is a major developmental challenge for South Africa and has multifaceted dimensions. This paper profiled and investigated poverty transitions among rural households in 22 district municipalities in South Africa. Foster-Greer-Thorbecke indices were applied to panel data from the... -
Calculating soil titratable acidity from routine soil analyses of cultivated South African soils using various model structures
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: VG White --- Citrus Research International, South Africa PJ Raath --- Citrus Research International, South Africa AG Hardie --- Stellenbosch University, South Africa V van der Berg --- Stellenbosch University, South Africa GF Sutton --- Rhodes University, South AfricaSoil titratable acidity (TA) is determined through extraction with an acetate-buffered salt solution (potassium sulphate, K2SO4) and is routinely used to predict the soil lime requirement using the Eksteen method. Soil TA is not always reported by commercial soil testing... -
Topogenous orders and related families of morphisms
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: David Holgate --- University of the Western Cape, South Africa Minani Iragi --- Brno University of Technology, Czech RepublicIn a category with a proper ()-factorization system, we study the notions of strict, co-strict, initial and final morphisms with respect to a topogenous order. Besides showing that they allow simultaneous study of four classes of morphisms obtained separately with... -
Argument mining from Amharic argumentative texts using machine learning approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Mikru Lake Melie --- Jimma University, Jimma Institute of Technology, Ethiopia Debela Tesfaye --- Jimma University, Jimma Institute of Technology, Ethiopia Alemu Kumilachew Tegegnie --- Bahir Dar University, Bahir Dar Institute of Technology, Ethiopia Derejaw Lake Melie --- Bahir Dar University, Bahir Dar Institute of Technology, EthiopiaArgument mining is an emerging science that deals with the automatic identification and extraction of arguments along with their relation from large, unstructured data that are useful for reasoning engines and computational models. Identification and extraction of argument relation from... -
Fatigue and mind-wandering among Chinese adolescents: Moderation by rumination and mediation by Internet addiction
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: --- College of Education Sciences, Wulingshan K-12 Educational Research Center, Huaihua University, ChinaThis study examined the mediating role of Internet addiction in association with fatigue and mind-wandering and the moderating role of rumination in that relationship. A sample of 3 732 Chinese adolescents (Mean age = 14.98 years, SD = 1.63) completed... -
Parental marital quality and adolescents’ online social addiction: Influences of adolescents’ interpersonal sensitivity and peer relationships
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: --- Zhongyuan University of Technology, China --- Xuchang University, ChinaThis study explored interpersonal sensitivity and peer relationships as mechanisms in the parental marital quality and adolescents’ online social addiction. Participants were 914 Chinese middle school students (females = 53.39%; mean age = 13.95, SD = 1.89 years). They completed... -
Interpersonal sensitivity, smartphone addiction, connectedness to nature and life satisfaction among college students: A moderated mediation model
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: --- Beijing Forestry University, China --- Hebei Normal University, China --- Beijing Forestry University, China --- Beijing Forestry University, ChinaThis study explored the relationship between interpersonal sensitivity and life satisfaction among college students, the mediating effect of smartphone addiction, and the moderating effect of connectedness to nature. A total of 702 college students (453 females, Meanage = 19.60 years,... -
Shepherding is not a shot in the dark: evidence of low predation losses from the Northern Cape province of South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: --- , South Africa --- University of Mpumalanga, South Africa --- University of the Free State, South Africa --- University of the Free State, South Africa --- Nelson Mandela University, South Africa --- Nelson Mandela University, South AfricaPredation threatens the viability of livestock farming, while lethal predator management can negatively influence wildlife ecology. There is renewed interest in non-lethal vs lethal methods of livestock protection, but a systematic comparison is lacking. Using multivariate models, we explored how... -
Differential impact of ICT on MSMEs' productivity in Africa’s emerging market
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Musefiu Adebowale Adeleke --- University of Ibadan, Nigeria Adegoke Ibrahim Adeleke --- Central Bank of Nigeria, NigeriaThe observed low level of information and communication technology (ICT) usage among micro, small, and medium-sized enterprise (MSME) firms in many African countries may serve as a major constraint to their productivity. The productivity of service and manufacturing firms is... -
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... -
Stability of Riemann solutions to a class of non-strictly hyperbolic systems of conservation laws
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Shiwei Li --- Henan University of Engineering, P.R. ChinaThis paper is concerned with Riemann problem for a class of non-strictly hyperbolic systems of conservation laws. The two kinds of Riemann solutions including vacuum and delta shock wave are constructed. Under the generalized Rankine-Hugoniot relation and entropy condition, we... -
Distribution and site fidelity of four endemic catshark species in Walker Bay, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TL Johnson --- , South Africa JC de Bresser --- , South Africa E Cottrant --- , South Africa NJ Drobniewska --- , South Africa TG Paulet --- , South Africa LG Underhill --- University of Cape Town, South AfricaCatsharks (family Scyliorhinidae) and the recently reclassified deepwater catsharks (family Pentanchidae) are two of the largest families of elasmobranchs and include species that function as important mesopredators in almost all marine ecosystems. This study focuses on four species endemic to... -
Agreement between measured energy expenditure and predictive energy equations in paediatric oncology
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: I Kellerman --- Stellenbosch University, South Africa M Kruger --- Stellenbosch University, South Africa J Schoeman --- Stellenbosch University, South Africa R Blaauw --- Stellenbosch University, South Africa -
Building hope for the poor with digital services: Providing prosperity, justice, and dignity for ALL
Item type: Journal Article • Journal: Africa Journal of Management • Authors: M. Barrett --- University of Cambridge, UK S. Liyala --- Jaramogi Oginga Odinga University of Science and Technology, Kenya E. Oborn --- University of Warwick, UK K. Prince --- University of Cambridge, UKDigital technologies offer hope for societal change, with the potential to improve the lives of those in poverty. Avoiding utopian and dystopian views, we offer a more dynamic perspective of ‘realistic hope' where hope can be aspired to and achieved,... -
On property-(R 1) and relative Chebyshev centers in Banach spaces-II
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Syamantak Das --- Indian Institute of Technology Hyderabad, India Tanmoy Paul --- Indian Institute of Technology Hyderabad, IndiaWe continue to study (strong) property-(R 1) in Banach spaces. As discussed by Pai & Nowroji in [On restricted centers of sets, J. Approx. Theory, 66(2), 170–189 (1991)], this study corresponds to a triplet , where X is a Banach... -
When caring and mourning threaten public health: the experience of Covid-19 preventive regulations in Zambia
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: James Musonda --- University of Liège, BelgiumThis article explores how Covid-19 regulations in hospitals and regarding funerals disrupted and limited the capacity of kin to care, and transformed the meanings of life and death, for Zambians. Nonetheless, patients and kin exercised their agency through disobedience, by... -
Social anxiety and problematic social network site use: The sequential mediating role of self-esteem and self-concept clarity
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jing Wu --- Shaoxing University, China Xu Zhang --- Shaoxing University, China Yuan Gao --- Shaoxing University, China Qianxiu Xiao --- Shaoxing University, ChinaThis study explored the relationship between social anxiety and problematic social network sites use and the mediating role of self-esteem and self-concept clarity. A total of 811 college students (female= 58.2%; mean age= 19.18 years, SD = 1.12 years) completed... -
Adolescent psychiatric inpatients’ perceptions of treatment and seclusion
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Miriam K Yurtbasi --- School of Clinical Sciences, Monash University, Australia Michael Gordon --- School of Clinical Sciences, Monash University, Australia Leeanne Fisher --- Austin Health, Child & Youth Mental Health Services Directorate, Australia Ric Haslam --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Chidambaram Prakash --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Bianca Blatchford --- Austin Health, Child & Youth Mental Health Services Directorate, Australia Christine Pavlou --- Early in Life Mental Health Service, Monash Children’s Hospital, Australia Daniel Darmanin --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Stephanie Verstandig --- Early in Life Mental Health Service, Monash Children’s Hospital, Australia Adam Blake --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Whitney Cornell --- Mental Health, The Royal Children’s Hospital Melbourne, Australia Lauren Cameron --- School of Clinical Sciences, Monash University, Australia Glenn Melvin --- School of Psychology, Faculty of Health, Deakin University, AustraliaObjectives: A great deal of attention is being directed at the use of seclusion in adolescent inpatient psychiatric units due to its forceful nature and negative impact on inpatients and staff. This mixed methods study aimed to explore and compare... -
Change in the prevalence of extra-uterine growth restriction in very low birthweight infants, following the introduction of a written nutrition protocol, in a tertiary neonatal unit
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: LND Mosidi --- University of Pretoria, A van Niekerk --- Steve Biko Academic Hospital, South Africa M Coetzee --- University of Pretoria, -
The beauty of tipping: customer decision-making during COVID-19 in African beauty salons
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Alang Ernest Wung --- University of Dschang, Cameroon Roger Tsafack Nanfosso --- University of Dschang, CameroonResearch has been limited to investigating tipping in other hospitality industries, while ignoring beauty salons. The objective of this study is to present tipping behaviours in the context of beauty salons in two ways: first, by examining tip predictors; and... -
Cooperation in common property resource management: A group engagement approach
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Evans Shoko --- Cape Peninsula University of Technology, South Africa Bongani Ncube --- Cape Peninsula University of Technology, South AfricaThis study explored motivational cooperative behaviour types as a communal resource in a rural Zimbabwean setting. Using the group engagement model, the study examined motivational cooperative behaviour types in managing in managing water resources. Thirty community residents of Mhondoro-Ngezi District... -
The essence of displacement: A phenomenological analysis of inner-city residents’ experiences in South Africa
Item type: Journal Article • Journal: Indo-Pacific Journal of Phenomenology • Authors: Delia Ah Goo --- North-West University, South AfricaGentrification has led to the eviction and displacement of many people from working-class areas around the world. However, the relationship between gentrification and displacement has sparked much debate in the literature, with some researchers downplaying displacement, while others have argued... -
Predictors of vitamin D status in undernourished and well-nourished children 6–59 months old, in the JB Marks Municipality of South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: JA Carboo --- North-West University, South Africa L Malan --- North-West University, South Africa M Lombard --- North-West University, South Africa N Maleka --- North-West University, South Africa A Nienaber --- North-West University, South Africa R Claire Dolman-Macleod --- North-West University, South Africa -
The highest-lowest price range and the cross-sectional returns predictability
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Xiaojun Chu --- , China Shuang Song --- , ChinaMotivated by literature on heterogeneous investors, we use the difference between the highest and lowest prices to proxy the intensity of competition among bullish-bearish investors and investigate its significance in the cross-sectional pricing of stocks. Portfolio-level analyses and cross-sectional regressions... -
“We are More Than This”: Counterhistories and Female Voices in Maaza Mengiste’s The Shadow King
Item type: Journal Article • Journal: Eastern African Literary and Cultural Studies • Authors: Joseph Kwanya --- Rhodes University,In this essay, I examine the potential of the counterfactual framework in retelling obscured or misrepresented stories of women in African wartime narratives. I analyse Maaza Mengiste’s The Shadow King (2019), which uses the Second Italo-Ethiopian War as a foundation... -
COVID-19 restrictions lifting and the health of older adults: Evidence from a quasi-natural experiment
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Xiaowen Li --- Sichuan Institute of Industrial Technology, China Yuanqing He --- Anhui Normal University, China Jinshan Wu --- Hainan Vocational University of Science and Technology, China Hao Xu --- Sichuan Institute of Industrial Technology, ChinaWe investigated the health changes in older adults after the lifting of COVID-19 restrictions. Utilising a quasi-natural experiment design based on pandemic restrictions lifting in China and South Korea from 2020 to 2022, we analysed an existing data set of... -
Best approximation theorems via relatively u-continuous and Jaggi nonexpansive mappings
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: M. Gabeleh --- Ayatollah Boroujerdi University, Iran R. Gholipour --- Yazd University, Iran H. Mazaheri --- Yazd University, Iran S.P. Moshokoa --- Tshwane University of Technology, South AfricaIn this paper, we introduced a new type of cyclic (noncyclic) mappings, called Jaggi relatively nonexpansive mappings and use to investigate the existence of best proximity points (pairs) in the framework of reflexive (strictly convex) Banach spaces by using a... -
Some characterizations of ω-balanced topological groups with a q-point
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Deng-Bin Chen --- Wuyi University, P.R. China Hai-Hua Lin --- Wuyi University, P.R. China Li-Hong Xie --- Wuyi University, P.R. ChinaIn this paper, we study some characterizations of q-spaces, strict q-spaces and strong q-spaces under ω-balanced topological groups. First we characterize a topological group G to be ω-balanced and a q-space whenever for each open neighborhood O of the identity... -
Free-ranging poultry owners’ opinion towards raptors in Plateau State, Nigeria
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Caka Karlsson --- Biota Conservation Hub Foundation, Nigeria Michael M Williams --- Biota Conservation Hub Foundation, Nigeria Josiah Ibrahim --- AP Leventis Ornithological Research Institute, Nigeria Talatu Tende --- AP Leventis Ornithological Research Institute, Nigeria Ulf Ottosson --- AP Leventis Ornithological Research Institute, NigeriaDespite the importance of the poultry sector in Nigeria, limited research has explored free-ranging poultry farmers’ attitudes towards raptors and the factors influencing these perceptions. Perceptions, whether grounded in evidence or not, can shape behaviours and influence conservation outcomes, as... -
Forecasting oil futures markets using machine learning and seasonal trend decomposition
Item type: Journal Article • Journal: Investment Analysts Journal • Authors: Ahhyun Kim --- Sungkyunkwan University, Korea Doojin Ryu --- Sungkyunkwan University, Korea Alexander Webb --- University of Wollongong, AustraliaCan machine learning improve prediction for seasonal commodity prices? We explore the effectiveness of a combined method that integrates seasonal trend decomposition using LOESS (STL) with machine learning (ML), referred to as STL-ML. We apply Extreme Gradient Boosting and Random... -
The nexus between information and communication technology (ICT) and poverty status in South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Thapelo Chauke --- North-West University – Vanderbijlpark Campus, South Africa Oladipo Olalekan David --- North-West University – Vanderbijlpark Campus, South AfricaSince 1994, South Africa has grappled with persistent poverty and inequality. In an effort to eradicate these social issues, the South African democratic government has implemented several policies. However, there has been little success. The advent of globalization and advancements... -
Dietary behaviour among adults in Northern Ghana: a polytomous logistic regression model approach
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Kwame Opare-Asamoah --- University for Development Studies, Ghana Daniel Edem Kpewou --- University for Development Studies, Ghana Jerry Xola Sosu --- University for Development Studies, Ghana Vicentia Esinam Degbey --- University for Development Studies, Ghana Ezekiel Kofi Vicar --- University for Development Studies, Ghana Julius T Dongdem --- University for Development Studies, Ghana Saeed F. Majeed --- University for Development Studies, Ghana Kwadwo Fosu Antwi --- University for Development Studies, GhanaObjectives: This study determined the predictors of dietary behaviour among adults living in an urban and rural location in northern Ghana. -
False rape accusation and its complex ramifications: an analysis of Kuxabene Ubendle (pandemonium)
Item type: Journal Article • Journal: South African Journal of African Languages • Authors: Norma Masuku --- University of South Africa,Rape is a crime that inflicts deep-seated scars on the survivors, whether they are men or women. This condition of rape leaves the survivors of rape in a precarious position, with indelible scars that cannot be easily erased. A notable... -
Long-term temporal patterns of human-carnivore conflict in the Chobe Enclave, northern Botswana
Item type: Journal Article • Journal: African Zoology • Authors: Gosiame Neo-Mahupeleng --- Botswana University of Agriculture and Natural Resources, Botswana Richard Fynn --- Okavango Research Institute, University of Botswana, Botswana Moseki Ronald Motsholapheko --- Okavango Research Institute, University of Botswana, Botswana Matshelo Makondo --- , Botswana Kaelo Nkile --- , Botswana Reneilwe Dipheko --- , Botswana Graham IH Kerley --- Centre for African Conservation Ecology, Nelson Mandela University, South AfricaIn some areas, human and carnivore livelihoods overlap causing human-carnivore conflict (HCC), hence there is a need for carnivore conservation efforts. The decline of most large carnivore populations are linked to HCC, primarily due to the killing of carnivores by... -
Effects of forest cover and fragmentation on bird functional guilds in understorey birds in shade coffee habitats of southwest Ethiopia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Gelaye Gebremichael --- College of Natural Sciences, Jimma University, Ethiopia Anagaw Atickem --- Colleges of Natural Sciences, Addis Ababa University, Ethiopia Seid Tiku Mereta --- Jimma University, Ethiopia Luc Lens --- Ghent University, BelgiumHabitat loss and fragmentation, as consequences of anthropogenic land use changes, are the main drivers of global biodiversity loss. In this study, we evaluate the response of functional guilds in forest understorey bird communities to the amount of forest cover... -
Coping skills and smartphone addiction in adolescents with ADHD: A predictive model and relationship
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Tayfun Kara --- Alanya Alaaddin Keykubat University, Turkey Orhan Kocaman --- Alanya Alaaddin Keykubat University, Turkey Pınar Aydoğan Avşar --- Alanya Alaaddin Keykubat University, Turkey Tacettin Kuru --- Alanya Training and Research Hospital, TurkeyBackground: We sought to examine the relationship between smartphone addiction and coping skills in adolescents diagnosed with attention-deficit/hyperactivity disorder (ADHD), together with potential predictive factors. -
Exploring the relationship between peer loneliness, problematic videogame use, and cyberbullying victimisation in adolescence
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Alberto Amadori --- Free University of Bozen-Bolzano, Italy Giulia Prestera --- Free University of Bozen-Bolzano, Italy Francesca Sangiuliano Intra --- Free University of Bozen-Bolzano, Italy Livia Taverna --- Free University of Bozen-Bolzano, Italy Caterina Primi --- University of Florence, Italy Antonella Brighi --- Free University of Bozen-Bolzano, ItalyBackground: Adolescence, acknowledged as a transformative developmental phase marked by socio-emotional challenges, introduces an elevated susceptibility to loneliness. As adolescents are exposed to loneliness, they concurrently navigate the dynamic landscape of problematic videogame use, characterised by deleterious gaming patterns with... -
Treatment outcomes for avoidant/restrictive food intake disorder and anorexia nervosa among children and adolescents in higher levels of care
Item type: Journal Article • Journal: Journal of Child & Adolescent Mental Health • Authors: Renee D. Rienecke --- Eating Recovery Center and Pathlight Mood & Anxiety Centers, United States of America Jamie Manwaring --- Eating Recovery Center and Pathlight Mood & Anxiety Centers, United States of America Alan Duffy --- Eating Recovery Center and Pathlight Mood & Anxiety Centers, United States of America Philip S. Mehler --- Eating Recovery Center and Pathlight Mood & Anxiety Centers, United States of America Dan V. Blalock --- Center of Innovation to Accelerate Discovery and Practice Transformation, Durham Veterans Affairs Medical Center, United States of AmericaBackground: There is large variability in the way that outcomes are measured for avoidant/restrictive food intake disorder (ARFID), with many studies focusing solely on weight gain or using measures that are not designed or validated to assess ARFID symptoms, such... -
Blockchain technology in healthcare within the global south: mapping the area and developing a research scenario
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Josue Kuika Watat --- University of Oslo, Norway Ebenezer Agbozo --- Ural Federal University, Russia Rania El-Gazzar --- University of Agder, NorwayAfrica’s healthcare systems face profound structural challenges, including fragmented infrastructure, systemic data vulnerabilities, and unreliable medical supply chains, necessitating innovative, context-specific solutions. Blockchain technology has emerged as a transformative tool in global healthcare, yet research remains disproportionately focused on high-income... -
Fintech predictive modelling using machine learning: An empirical investigation of South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abraham Emuron --- Tshwane University of Technology, South Africa Abraham Dimitri Kapim Kenfack --- Tshwane University of Technology, South Africa Mandla Msimanga --- Tshwane University of Technology, South AfricaA significant change in the financial industry has been brought about by technological advancements and shifting consumer behaviour. The result has been the emergence of fintech. Consequently, this paper constructs predictive models to forecast the adoption of fintech in South... -
Macro-level determinants of research output in Nigerian knowledge institutions: A case study of ICT researchers
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Bolanle A. Adewusi --- , Canada Oluseye Jegede --- University of Johannesburg, South AfricaThis study explores the factors that influence ICT research productivity across Nigerian universities and government research agencies. Using a mixed-methods approach, the research combines conceptual analysis with quantitative techniques, drawing on the PESTLE model, the Entrepreneurship Ecosystem, and the Triple... -
Prediction of ambient air pollution with regression approach using machine learning
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Bachandeep Singh Bhathal --- University Institute of Computing, Chandigarh University, India Gaurav Gupta --- Punjabi University, India Brahmaleen Kaur Sidhu --- Punjabi University, IndiaAccurate air quality prediction is vital for managing pollution and protecting public health. This study evaluates the performance of three machine learning models – Decision Tree Regression (DTR), Linear Regression (LR), and Random Forest Regression (RFR) – to forecast the... -
Impact of catch and release on the welfare of bronze seabream Pachymetopon grande in the South African marine shore-based fishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: EC Butler --- Rhodes University, South Africa MW Farthing --- Rhodes University, South Africa CS Bova --- Rhodes University, South Africa A-R Childs --- Rhodes University, South Africa WM Potts --- Rhodes University, South AfricaThe practice of catch-and-release (C&R) angling is increasingly being integrated into recreational fisheries as a conservation strategy to promote sustainability. However, C&R can still have lethal or sublethal effects owing to various stressors involved in the act of angling. Using... -
Stability in an unbounded domain of a Timoshenko system without the second spectrum
Item type: Journal Article • Journal: Quaestiones Mathematicae • Authors: Mohammad M. Al-Gharabli --- King Fahd University of Petroleum and Minerals, Saudi Arabia Adel M. Al-Mahdi --- King Fahd University of Petroleum and Minerals, Saudi Arabia Aissa Guesmia --- Université de Lorraine, 3 Rue Augustin Fresnel, FranceThe present paper deals with the stability, in the whole line ℝ, of the so-called truncated version for the Timoshenko system derived, according to significant physical and historical observations, by Elishakoff [11]. This new system gives a version of a... -
The perceptions of South African dietetic and nutrition professionals on sponsorship and funding of scientific education opportunities by Big Food
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Tegan Kerry Scorgie --- Stellenbosch University, South Africa Jane Badham --- JB Consultancy, South Africa Lisanne Monica du Plessis --- Stellenbosch University, South Africa -
Exploiting ChatGPT generated dataset for weather prediction using Seagull Optimization with Deep Learning Model
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: S. Usha --- Assistant Professor (Sr.Gr ), Department of Computer Science and Engineering, University College of Engineering BIT Campus, Anna University, Tiruchirappalli, Tamil Nadu, India K. Rama Devi --- Professor, Department of Information Technology, Panimalar Engineering College, Chennai, India V. Saraswathi --- Professor, Department of Computer Science and Engineering, Chennai Institute of Technology, Chennai, India R. Kavitha --- Assistant Professor, Department of Computer Science and Engineering, University College of Engineering BIT Campus, Anna University, Tiruchirappalli, Tamilnadu, IndiaChatGPT, a powerful language model, can generate diverse fictional weather datasets including temperature, humidity, wind speed, and more. This research proposes the SGOADL-WDC technique, which employs ChatGPT-generated data for weather classification. It integrates data preprocessing with an attention-based bidirectional LSTM... -
Digital advancement in the East African Community: The impact of information and communications technology on economic growth and energy consumption
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abdikafi Hassan Abdi --- SIMAD University, Somalia Abdikarim Abdullahi Hersi --- SIMAD University, Somalia Abdiwahid Abdullahi Khalif --- SIMAD University, Somalia Mohamed Mire Mohamed --- SIMAD University, SomaliaAs the East African Community (EAC) modernizes and grows its digital infrastructure, it is essential to comprehend the influence of information and communications technology (ICT) on productivity and energy consumption to formulate initiatives that foster sustainable growth. Accordingly, this study... -
Physico-chemical variables influencing the distribution and abundance of macroinvertebrates in salt marsh habitats of the Berg River Estuary, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: NT Mngomezulu --- Department of Plant Sciences, University of the Free State, South Africa N Peer --- Department of Botany and Zoology, Stellenbosch University, South Africa A Rajkaran --- Department of Biodiversity and Conservation Biology, University of the Western Cape, South Africa DA Veldkornet --- Department of Plant Sciences, University of the Free State, South AfricaMacroinvertebrates such as snails and crabs influence aspects of salt marsh structure and function through herbivory and bioturbation. However, the effects of physico-chemical variables and habitat composition on their abundance and distribution remain underexplored. This study examined the influence of... -
The impact of the COVID-19 pandemic on sexual and reproductive health performance indicators at public health care facilities in Ekurhuleni Health District, South Africa: An interrupted time series analysis
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Podestah Surprise Mabale --- University of Pretoria, South Africa Anesu Marume --- University of Pretoria, South Africa Alfred Musekiwa --- University of Pretoria, South AfricaBackground: The COVID-19 pandemic disrupted essential health services globally, including sexual and reproductive health (SRH). -
Computerization adoption in Savings and Credit Cooperative Societies (SACCOS) in Tanzania: An implementation framework
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: George Matto --- Moshi Co-operative University, TanzaniaStudies show that the majority of Savings and Credit Cooperative Societies (SACCOS) in Tanzania rely on manual operations instead of computerized systems. This has caused various operational challenges and poor governance practices. While some SACCOS have never attempted to adopt... -
Enhancing medical diagnosis with a machine learning-based symptom checker for health assessment
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sita Yadav --- Army Institute of Technology, India Manisha Dudhedia --- Marathwada Mitra Mandal’s College of Engineering Pune, India P. G. Chilveri --- CILPL, India Reena Mahapatra Lenka --- Symbiosis International (Deemed) University, India Radhika Vikas Kulkarni --- Vishwakarma Institute of Technology, India K. Nagaiah --- ICFAI University Raipur Chhattisgarh, IndiaThe growing incidences of chronic illnesses and increased complexity of medical diagnoses point to the desire to have effective, precise, and timely diagnostic instruments to assist medical personnel. The goal of the current study is to develop an ML-based system...
