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Role of Eucalypt Plantations in Timber Supply and Forest Conservation in Sub-Saharan Africa
Item type: Journal Article • Journal: South African Forestry Journal • Authors: A. P.G. Schönau --- Institute for Commercial Forestry Research, South AfricaThe role of eucalypt plantations in timber supply and forest conservation in Sub-Saharan Africa was investigated. The annual destruction of 11,5 million ha of tropical forest is highlighted, the various causes indicated and the controversy whether fast-growing plantations and woodlots... -
The use of degradation gradients for the assessment and ecological interpretation of range condition
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: O.J.H. Bosch --- Department of Plant and Soil Sciences, Republic of South Africa H.G. Gauch --- Department of Soil, Crop and Atmospheric Sciences, United States of AmericaMultivariate procedures were used to subdivide the southern African climatic climax grasslands of the 700–800‐mm rainfall zone into relatively homogeneous grazing areas. A degradation gradient was constructed for each of these areas. This was done by means of centred PCA... -
Influence of intensive irrigation and cultivation on selected soil properties: Arid southern Namibia
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: E. Verster --- Department of Geography, Republic of South Africa T.H. van Rooyen --- Department of Geography, Republic of South AfricaThe effect of long-term (25 years) intensive irrigation on selected soil properties of the Hardap Irrigation Scheme was determined by comparing soil profiles in irrigated and adjacent non-irrigated areas. The major differences detected between five soil pairs were rubification of... -
HUMAN ACTIVITIES AND FACTORS AFFECTING THE DISTRIBUTION OF MACROBENTHIC FAUNA IN SALDANHA BAY
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: L.F. Jackson --- , South Africa S. McGibbon --- , South AfricaThe most recent trends in the economic development of Saldanha Bay are towards the tourist and mariculture industries, both of which are dependent on a high quality of water. Yet this water quality is now under threat. In this study,... -
DETRIMENTAL EFFECTS OF FENTHION (QUELETOX® UL), USED TO CONTROL RED-BILLED QUELEA (QUELEA QUELEA), ON RHEOPHILIC BENTHIC MACROINVERTEBRATES IN THE ORANGE RIVER
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: R.W. Palmer --- Department of Water Affairs and Forestry, South AfricaThe relative abundance of rheophilic macroinvertebrates in the Orange River was assessed before and 15 hrs after two aerial applications of fenthion (QUELETOX® UL) above roosting sites of the red-billed quelea (Quelea quelea). The first treatment had no detectable effect... -
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... -
The challenge of integrated rangeland monitoring: synthesis address
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: David WesternThe need to balance biodiversity conservation with sustainable development, though widely agreed upon, is elusive in practice. Human societies are increasingly disconnected from the ecosystems which support them. The loosening connection and growing scientific acceptance that ecosystems are complex, dynamic,... -
The effect of long-term fire treatments on invertebrates: results from experimental plots at Cathedral Peak, South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: C Uys M HamerThis study examined the impacts of different burning regimes (fire frequency and season) and fire history (time since last burn) on invertebrate morphospecies richness and abundance. The study was carried out in the Brotherton experimental plots at Cathedral Peak in... -
Identification of key grass species under grazing in the Highland Sourveld of Natal
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: C.R. Hurt --- Department of Grassland Science, Republic of South Africa M.B. Hardy --- , Republic of South Africa N.M. Tainton --- Department of Grassland Science, Republic of South AfricaRelative abundances of rangeland species have for many years been used to index trends in range condition following the impact of grazing. All species recorded in a botanical survey are usually classified according to their assumed reaction to grazing using... -
Short‐term effects of cattle‐to‐sheep ratio and stocking rate on patch grazing in sour grassveld
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: M.B. Hardy --- , Republic of South AfricaThe short‐term effects of stocking rate (AUE ha−1) and cattle‐to‐sheep ratio on the extent and severity of patch grazing and on patch size were evaluated. The extent of patch grazing was proportional to stocking rate, and livestock species had a... -
Study on the early effects of several weed-control methods on Parthenium hysterophorus L.
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: J Goodall --- , South Africa M Braack --- KZN Department of Agriculture and Environmental Affairs, South Africa J de Klerk --- , South Africa C Keen --- , South AfricaWe carried out a trial in the Hluhluwe-iMfolozi Park comparing three herbicides and two manual control techniques for controlling the annual weed Parthenium hysterophorus L. The herbicides 2,4-D amine (480 g ai l−1), metsulfuron methyl (600 g kg−1) and picloram... -
Post-wildfire regeneration of rangeland productivity and functionality – observations across three semi-arid vegetation types in South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Johannes AD Breedt --- School of Biological Sciences, South Africa Niels Dreber --- School of Biological Sciences, South Africa Klaus Kellner --- School of Biological Sciences, South AfricaWildfires can have significant impacts on rangeland productivity and functionality causing substantial economic losses to affected farmers. In August 2011, such wildfires swept through the North West province of South Africa, destroying large areas of grazing and farm infrastructure. There... -
The effect of harvesting operations, slash management and fertilisation on the growth of a Eucalyptus clonal hybrid on a sandy soil in Zululand, South Africa
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: ColinW Smith Ben du ToitHarvesting operations during clearfelling and extraction of timber from commercial plantations result in many processes that may affect long-term site productivity such as soil compaction and residue manipulation. The objective of this work was to evaluate the effects of various... -
The Impact of Life Design Counselling on Adolescents
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Jacobus G. Maree [AN0001] Zelda PollardThis study records a process of heightening self-awareness within a semi-structured ‘life design counselling’ process. The research was conducted on the basis of a case study designed to facilitate co-constructive conversation with a purposefully selected youth. The participant was enabled... -
The Impact of Poverty on Women's Psychosocial Well-being: Narratives from Zimbabwean Migrant Women in South Africa
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Regis Chireshe --- Walter Sisulu University, South AfricaThe study investigated the psychosocial impact poverty has had on Zimbabwean migrant women. The sample comprised 7 female participants (3 professional teachers and 4 informal traders) who had migrated to South Africa because of poverty. Their age ranged from 16... -
Teachers' Gender Stereotypes in South Africa: A Case Study
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Tuntufye S. Mwamwenda --- Africa Institute of South Africa,The study investigated Teachers' gender stereotypes in the Eastern Province of South Africa. Participants were 65 Junior Secondary school teachers (females= 40 and males = 25) who assembled together at a seminar organized by the Department of Education. They completed... -
Critical Incidents Impact Management Among South African Police Service Officers
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Masefako Andronica Gumani --- University of Venda, Eduard Fourie --- University of South Africa, Martin Terre Blanche --- University of South Africa,This article describes and interprets the law enforcement processes of managing critical incidents in a South African police district. Twenty participants from various police units were selected through purposive and theoretical sampling techniques. Data were collected using unstructured open-ended interviews,... -
Understanding fatalism in HIV/AIDS protection: the individual in dialogue with contextual factors
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Anna Meyer-WeitzMany people remain at risk of becoming HIV-infected despite large-scale prevention efforts. An exploratory study was conducted to investigate the determinants of a fatalistic attitude towards protecting the self from HIV/AIDS. The study utilised the Human Sciences Research Council's national,... -
HIV/AIDS, childhood and governance: sundering the bonds of human society
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Tony BarnettThere is a disharmonious resonance between the length of HIV infection in the individual human host and the length of a human generation. In brief, an infected person may have children, these may be orphaned and grow up to become... -
Urban and rural differences in HIV/AIDS stigma in five African countries
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: JoanneR Naidoo LeanaR Uys Minrie Greeff WilliamL Holzemer Lucy Makoae Priscilla Dlamini RenéD Phetlhu Maureen Chirwa Thecla KohiStigma and discrimination have been widely researched, especially within the context of health. In the context of HIV/AIDS, studies have shown that stigma variously impacts on prevention, on accessing treatment, and on care programmes. Decreasing stigma is therefore an important... -
The future of AIDS in Africa: lessons from two scenario projects
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Pieter FourieScenario planning or futures studies have their origin in military planning, but have also been used with great success in the private sector, most notably in the energy industry. UNAIDS and the South African financial services group Metropolitan each recently... -
Modelling the relationship between antiretroviral treatment and HIV prevention: limitations of the Spectrum AIDS Impact Model in a changing policy environment
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nicoli NattrassThis paper shows how two publicly available epidemiological modelling packages, namely the Spectrum AIDS Impact Model and the ASSA2003 AIDS and Demographic Model, predict very different impacts from rolling out highly active antiretroviral treatment (HAART) on new HIV infections. Using... -
The impact of the HIV epidemic on the composite wellbeing of educators in South Africa: a qualitative study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: LindaC TheronIn South Africa, support is available for educators who are HIV-positive, and there are numerous initiatives to curb further HIV infections. What is lacking though is an understanding of how the HIV epidemic impacts on educators who are affected personally... -
Epidemiological and demographic HIV/AIDS projections: South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: ThomasM. Rehle --- , USA Olive Shisana --- , South AfricaThe Epidemic Projection Package (EPP) recently developed by the UNAIDS Reference Group on Estimates, Models and Projections and the Spectrum model program developed by the Futures Group were used to model the South African HIV epidemic, project future trends in... -
The significance of gathering wild orchid tubers for orphan household livelihoods in a context of HIV/AIDS in Tanzania
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: JoyceFX Challe --- Department of Research and Training, Mikocheni Agricultural Institute, Tanzania Anke Niehof --- Sociology of Consumers and Households Group, The Netherlands PaulC Struik --- Centre for Crop System Analysis, The NetherlandsWe investigated the role of gathering and selling the edible tubers of wild orchids by children orphaned by AIDS as one of their livelihood strategies, through a household survey administered to 152 households in three villages in the Southern Highlands... -
Potential environmental impacts associated with the proposed abstraction of water from the Okavango River in Namibia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: P AshtonThe Namibian Department of Water Affairs has in the past faced considerable pressure to relieve the water shortages caused by recent droughts. One of the options considered in 1996, following poor runoff during the 1994/95 and 1995/96 seasons, was a... -
Beacons in the limnological landscape
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: BR AllansonAn overview is given of a number of major developments in the limnology of South Africa, Zimbabwe and Namibia. None was possible without the involvement of enthusiastic investigators who, over some 70 years, stimulated the growth of freshwater research in... -
Zooplankton community changes in Nhlabane estuary, South Africa, induced by man-made structures and drought
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: HL JerlingThe Nhlabane estuary and coastal lake system has suffered a number of man-made impacts since 1977, when the lake and estuary were separated by the construction of a barrage. More recent man-made events included the construction of temporary sand walls,... -
The predatory impact of invasive alien smallmouth bass, Micropterus dolomieu (Teleostei: Centrarchidae), on indigenous fishes in a Cape Floristic Region mountain stream
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DarraghJ Woodford N Dean Impson JennyA Day I Roger BillsFish populations in the Rondegat River, a mountain stream in the Olifants-Doring system in the Cape Floristic Region, South Africa were surveyed to assess the impact of predatory alien invasive smallmouth bass Micropterus dolomieu (Lacepède) on the indigenous fishes. This... -
The effect of water hyacinth, Eichhornia crassipes (Martius) SolmsLaubach (Pontederiaceae), on benthic biodiversity in two impoundments on the New Year's River, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JohnM Midgley MartinP Hill MartinH VilletWater hyacinth, Eichhornia crassipes (Martius) Solms-Laubach (Pontederiaceae), forms thick mats that affect water resource utilisation, but little is known about its impacts on biodiversity in aquatic ecosystems. The benthic invertebrate community and algal biomass were sampled under water hyacinth mats... -
Fish breeding in, and juvenile recruitment to, the St Lucia Estuarine System under conditions of extended mouth closure and low lake levels
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Digby Cyrus Leon VivierOngoing drought conditions along the northern coast of KwaZulu-Natal resulted in the St Lucia Estuary mouth closing, and to evaporation leading to extremely low lake levels and the development of hypersaline conditions in most parts of the system. The mouth... -
Gill damage, metallothionein gene expression and metal accumulation in Tilapia sparrmanii from selected field sites at Rustenburg and Potchefstroom, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Daléne van Heerden Peet Jansen van Rensburg Mikko Nikinmaa André VoslooFish were collected from field sites in the mining and agricultural areas of Potchefstroom and Rustenburg, North-West Province, South Africa. Water and sediment samples from each site, together with fish muscle and gills, were analysed by Inductively Coupled Plasma Mass... -
The impact of land use on water quality of the Lwiro River, Democratic Republic of Congo, Central Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M BagalwaThe water quality of the Lwiro River, Democratic Republic of Congo (DRC), Central Africa, was investigated on a monthly basis from December 1999–October 2000, at six stations along a hydraulic gradient from source to mouth, to evaluate the impact of... -
Testing the applicability of the SASS5 scoring procedure for assessing wetland health: a case study in the KwaZulu-Natal midlands, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Rebecca Bowd DonovanC Kotze CraigD Morris NevilW QuinnA study was undertaken between 29th January and 17th February 2004 to test the applicability of the South African Scoring System Version 5 (SASS5) scoring and calculation procedure in nutrient-enriched palustrine wetlands in the midlands of KwaZulu-Natal, South Africa. Four... -
The distribution and relative abundance of stream fishes in the upper Manyame River, Zimbabwe, in relation to land use, pollution and exotic predators
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: B Gratwicke --- Department of Biological Sciences, Zimbabwe BE Marshall --- Department of Biological Sciences, Zimbabwe T Nhiwatiwa --- Department of Biological Sciences, ZimbabweA survey of the upper Manyame River catchment, middle Zambezi system, Zimbabwe, yielded a total of 22 fish species from 48 stations. The most widespread species (present at >20 stations) were Marcusenius macrolepidotus, Barbus paludinosus, Labeo cylindricus, Clarias gariepinus and... -
The global impact of alien trout species—a review; with reference to their impact in South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JA Cambray --- Makana Biodiversity Centre, South AfricaRainbow and brown trout have been introduced into at least 82 countries, where they have significantly impacted indigenous fish, aquatic invertebrates and amphibians. In many studies the second, and sometimes the first, most serious identified threat to indigenous aquatic fauna... -
Ecological status and role of the Mfolozi–Msunduzi estuarine system within the iSimangaliso Wetland Park, a World Heritage Site on the south-east coast of South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DP Cyrus --- Coastal Research Unit of Zululand, Department of Zoology, South Africa L Vivier --- Coastal Research Unit of Zululand, Department of Zoology, South Africa RK Owen --- Coastal Research Unit of Zululand, Department of Zoology, South Africa HL Jerling --- Coastal Research Unit of Zululand, Department of Zoology, South AfricaThe original structure and functioning of the historical Mfolozi–St Lucia estuarine system are described and anthropogenic impacts, which resulted in the Mfolozi and Msunduzi rivers being separated from the St Lucia Estuary and having their own combined mouth to the... -
Human impacts on hydrological health and the provision of ecosystemservices: a case study of the eMthonjeni–Fairview Spring Wetland, Grahamstown, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Sinchembe --- Department of Environmental Science, South Africa WN Ellery --- Department of Environmental Science, South AfricaWetland hydrological health and the provision of indirect ecosystem services in the eMthonjeni–Fairview Spring Wetland, Grahamstown, South Africa, were assessed in 2008, using the newly developed wetland assessment tools WET-Health and WET-EcoServices. Variation in health and ecosystem services were assessed... -
Gastropod diversity, distribution and abundance in habitats with and without anthropogenic disturbances in Lake Victoria, Kenya
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: CN Lange --- Invertebrate Zoology Section, Kenya TK Kristensen --- Mandahl-Barth Research Centre for Biodiversity and Health in Developing Countries, DBL Centre for Health Research and Development, Denmark H Madsen --- Mandahl-Barth Research Centre for Biodiversity and Health in Developing Countries, DBL Centre for Health Research and Development, DenmarkWe investigated freshwater gastropod diversity, abundance and distribution in habitats with and without anthropogenic disturbance in two localities, Ndere in the Winam Gulf and Mbita Point, Lake Victoria, Kenya, from May 2002 to January 2004. A total of 133 984... -
Observations on the Ecology of Pleurobrachia Pileus (Ctenophora) in the Southern Benguela Ecosystem
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M. J. Gibbons E. Buecher D. Thibault-BothaThe vertical distribution, abundance and size composition of a population of Pleurobrachia pileus was studied during a six-day drogue study conducted off the west coast of South Africa in February 1995. The population was centred in deep water, possibly because... -
An ecosystem approach to fisheries in the southern Benguela context
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: K. L. Cochrane C. J. Augustyn A. C. Cockcroft J. H. M. David M. H. Griffiths J. C. Groeneveld M. R. Lipińnski M. J. Smale C. D. Smith R. J. Q. TarrThe 2001 Reykjavík Declaration on Responsible Fisheries in the Marine Ecosystem and the Plan of Implementation of the 2002 World Summit on Sustainable Development highlighted the need in fisheries to look beyond considering only the target species and to consider... -
Tropical South-East Atlantic response to ENSO as an ecosystem indicator for the southern Benguela
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: MR JuryThe response of the tropical South-East Atlantic Ocean to the El Niño Southern Oscillation (ENSO) was studied for the period 1950–1999. Interaction between the ocean thermocline 'see-saw' and the overlying zonal wind circulation was examined. The two are closely linked... -
Climate change impacts on fisheries in West Africa: implications for economic, food and nutritional security
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: VWY Lam --- Fisheries Economics Research Unit, Fisheries Centre, Canada WWL Cheung --- Fisheries Centre, Canada W Swartz --- Fisheries Economics Research Unit, Fisheries Centre, Canada UR Sumaila --- Fisheries Economics Research Unit, Fisheries Centre, CanadaWest Africa was identified as one of the most vulnerable regions to climate change in previous global analyses. Adverse changes in marine resources under climate change may pose significant threats to the livelihoods and well-being of the communities and countries... -
Reduced seabird night strikes and mortality in the Tristan rock lobster fishery
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: JP Glass --- Tristan Fisheries Department, Central South Atlantic Ocean PG Ryan --- Percy FitzPatrick Institute, DST/NRF Centre of Excellence, South AfricaThe main impact of the fishery for Tristan rock lobster Jasus tristani on seabirds at the Tristan archipelago and Gough Island is through night strikes, when petrels collide with a ship after being disorientated by its lights. Tristan fishery observers... -
Agriculture and Climate Change in Cameroon: An Assessment of Impacts and Adaptation Options
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yong D. Ngondjeb --- , CameroonThis study aims to assess the economic impact of climate change on crop farming activities in the Sudano-Sahelian Area of Cameroon. The study uses the Ricardian model and is based on farm data generated from a survey carried out in... -
Government R&D Impact on the South African Macroeconomy
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Radhika Perrot --- Mapungubwe Institute for Strategic Reflection, South Africa (MISTRA) David Mosaka --- Beracah Consulting, South Africa Lefentse Nokaneng --- Beracah Consulting, South Africa Rita Sikhondze --- Wits Business School, Wits University, South AfricaThis article analyses the impact of government R&D on the macro-economy of South Africa. Most literature on the impact of R&D on the economy has been on advanced countries, where R&D expenditure as per cent of the GDP has been... -
Does soil compaction on harvesting extraction roads affect long-term productivity of Eucalyptus plantations in Zululand, South Africa?
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: Colin W. Smith --- ,The effect ofsoil compaction on the growth of Eucalyptusgrandis and two clonal hybrids (Eucalyptus grandis x urophylla (E. gxu) and Eucalyptus grandis x camaldulensis (E. gxc)) was evaluated on harvesting extraction roads at three sites in the Zululand region ofKwaZulu-Natal... -
The pitch canker fungus, Fusarium circinatum: implications for South African forestry
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: RG Mitchell --- York Timbers, Tree Breeding Division, South Africa ET Steenkamp --- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), South Africa TA Coutinho --- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), South Africa MJ Wingfield --- Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), South AfricaFusarium circinatum, the causal agent of pitch canker of mature pines and root/collar rot of pine seedlings/cuttings, has resulted in large-scale losses to pine forestry in various parts of the world. The disease caused by this fungus is now regarded... -
The socioeconomic impact of the phasing out of plantations in the Western and Southern Cape regions of South Africa
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: M Carien de Beer --- Department of Forest and Wood Science, South Africa Cori Ham --- Department of Forest and Wood Science, South Africa Dirk W Längin --- Mondi, South Africa Francois Theron --- School of Public Leadership, South AfricaThis study investigates the possible socioeconomic impact of the phasing out of nearly 22 500 ha of plantations within the Southern and Western Cape regions of South Africa as a result of a decision made by government in 2000. Data... -
Gender, famine and HIV/AIDS: rethinking new variant famine in Malawi
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Andy GibbsAlthough making a large and rapid impact on our understandings of the interactions between famine and HIV/AIDS, the new variant famine hypothesis has had little critical scrutiny. This paper uses a case study of the Malawian food crisis of 2001/2002... -
The economic burden of HIV and AIDS on households in Nigeria
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: MichaelA Adedigba Sudeshni Naidoo Albert Abegunde Oluwafemi Olagundoye Ebun Adejuyigbe Ibiyemi FakandeThe study estimates the economic burden of HIV and AIDS on households in a Nigerian population. The data derive from a cross-sectional survey of households affected by HIV or AIDS in Ife-Ijesa Zone, Osun State, Nigeria. The sample consisted of... -
KwaZulu-Natal commercial farmers' perceptions of and management responses to HIV/AIDS
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Lyndon Gray --- Agricultural Economics, School of Agricultural Sciences and Agribusiness, South Africa Stuart Ferrer --- Agricultural Economics, School of Agricultural Sciences and Agribusiness, South Africa Gerald Ortmann --- Agricultural Economics, School of Agricultural Sciences and Agribusiness, South AfricaThis study examines commercial farmers' perceptions of and management responses to the HIV epidemic, among a sample in KwaZulu-Natal Province in South Africa. The analysis is based on responses to a postal survey of commercial farmers belonging to KwaZulu-Natal Agricultural... -
Daniel arap Moi and the politics of HIV and AIDS in Kenya, 1983–2002
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Samwel Ong'wen Okuro --- Department of History, KenyaThe contrasting outcomes to HIV/AIDS prevention and mitigation processes in sub-Saharan Africa have not been adequately investigated or explained. Specifically, few scholars have attempted to root the responses to HIV and AIDS within the socio-economic and political realities of those... -
Environmental impact of seasonal integrated aquaculture ponds ('fingerponds') in the wetlands of Lake Victoria, Kenya: an assessment, with the aid of Bayesian Networks
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Julius Kipkemboi AnneA van Dam Patrick DennyThe potential effect on ecosystem integrity of the use of natural wetlands for seasonal wetland fishponds ('fingerponds'), integrated with vegetable production for livelihood demands, was evaluated using experimental sites at Lake Victoria, Kenya. Soluble reactive phosphorous and total phosphorus, ammonium,... -
The effect of fish predation on benthic macroinvertebrates in a seasonal stream in north-western Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Albert Chakona Brian Marshall Luc BrendonckThe cumulative impact of the entire fish assemblage on benthic macroinvertebrate assemblages was investigated over four months in a removal experiment in isolated pools that persist through the dry season, in an intermittent stream in north-western Zimbabwe. Macroinvertebrate taxonomic richness... -
Caddisfly (Trichoptera) larvae of the Opa River basin, south-western Nigeria
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SylvesterS OgboguCaddisflies in the streams of the Opa River catchment basin in Ile-Ife, south-western Nigeria, were surveyed, documenting nine genera in six families. Hydropsychidae is the most speciose family, with three genera, and has the highest number of individuals in the... -
Effect of an impoundment on nutrient dynamics in the Kihansi River, Tanzania
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RJ Ideva J Machiwa F Schiemer T HeinThe impact of the Kihansi Dam on electrical conductivity, pH, temperature and dissolved oxygen in the Kihansi River was assessed in 2005 after 85% of the original river flow had been diverted to the Lower Kihansi power plant. The results... -
A preliminary assessment of the impact of forest conversion from natural to pine plantation on macroinvertebrate communities in two mountain streams in Zimbabwe
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: A Chakona B MarshallThis study presents preliminary data on the influence of forest conversion from natural to pine plantation on benthic macroinvertebrates in streams in the Chimanimani Mountains in the Eastern Highlands of Zimbabwe, a region that has received little attention with respect... -
Fish community response to increased river flow in the Kariega Estuary, a freshwater-deprived, permanently open southern African system
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PD Vorwerk PW Froneman AW Paterson AK WhitfieldThe littoral and demersal ichthyofaunal community structure in the freshwater-deprived, permanently open Kariega Estuary was investigated following heavy rain in November 2006 and was compared to low-flow condition data from 1991 and 1996. All surveys took place during the spring... -
Influence of largemouth bass, Micropterus salmoides, on abundance and habitat selection of Cape galaxias, Galaxias zebratus, in a mountain stream in the Cape Floristic Region, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: JM Shelton JA Day CL GriffithsPredatory alien fishes have been widely introduced into streams in the Cape Floristic Region (CFR), South Africa, but little is known about their effect on native fishes. Results from this 2006 study suggest that the presence of alien predatory largemouth... -
Intrusion of beach-disposed dredger spoil into the Mhlathuze Estuary, South Africa, and its impact on Zostera capensis
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: DP Cyrus CF MacKay SP WeertsPort expansion at Richards Bay on the east coast of South Africa between 1996 and 1999 required the disposal of some 5,998,429 m3 of dredge spoil. This was deposited via a pipeline onto the adjacent beach and spilled into the... -
Application of a direct toxicity assessment approach to assess the hazard of potential pesticide exposure at selected sites on the Crocodile and Magalies rivers, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: TM Ansara-Ross --- Centre for Aquatic Research, Department of Zoology, South Africa V Wepener --- Centre for Aquatic Research, Department of Zoology, South Africa PJ van den Brink --- Department of Aquatic Ecology and Water Quality Management, The Netherlands MJ Ross --- Centre for Aquatic Research, Department of Zoology, South AfricaThe potentially hazardous effects of agricultural pesticide usage in the Crocodile (west) Marico catchment were evaluated using the Danio rerio and Daphnia pulex lethality, Selenastrum capricornutum growth inhibition and the Ames mutagenicity plate incorporation assays. Hazard assessment categories are proposed... -
Diving behaviour of African penguins: do they differ from other Spheniscus penguins?
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PG Ryan SL Petersen A Simeone D GrémilletAfrican penguins Spheniscus demersus closely resemble Magellanic S. magellanicus and Humboldt S. humboldti penguins and have similar breeding and feeding ecologies. Adults feed on pelagic schooling fish in continental shelf waters, but African penguins have been reported to have shallower... -
Changes in the trophic structure of the southern Benguela before and after the onset of industrial fishing
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: KE Watermeyer LJ Shannon CL GriffithsDespite a human presence in the Benguela region for at least one million years, exploitation of marine resources by European seafarers only began in earnest in the 1400s. Ecopath with Ecosim was used to construct and compare mass-balanced foodweb models... -
Changes in the trophic structure of the northern Benguela before and after the onset of industrial fishing
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: KE Watermeyer LJ Shannon J-P Roux CL GriffithsExploitation of marine resources has been occurring in the northern Benguela ecosystem for centuries. Understanding the cumulative long-term effects of this exploitation is important toward effective management of the modern system. Retrospective mass-balanced models of the ecosystem have been constructed,... -
Anaesthetic gases: environmental impact and alternatives
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: M Bosenberg --- Department of Anaesthesia,Little consideration has been given to the environmental impact of gaseous anaesthetic use. All currently used volatile anaesthetics are halogenated and chemically similar to chlorofluorocarbons (CFCs), giving them the potential to impact the environment negatively via both ozone depletion and... -
Perceptions of hospital managers regarding the impact of doctors' community service
Item type: Journal Article • Journal: South African Family Practice • Authors: OB Omole --- Dept. of Family Medicine & PHC, South Africa G Marincowitz --- Dept. of Family Medicine & PHC, South Africa GA Ogunbanjo --- Dept. of Family Medicine & PHC, South AfricaBackground: In South Africa, the distribution of doctors is skewed in favour of the urban areas, but it is not uncommon to find many peri-urban facilities in short supply of doctors. In 1997, the South African government introduced compulsory community... -
The economics, financing and implementation of HIV treatment as prevention: What will it take to get there?
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: David Wilson --- The World Bank Group, USA Jessica Taaffe --- The World Bank Group, USA Nicole Fraser-Hurt --- The World Bank Group, USA Marelize Gorgens --- The World Bank Group, USAThe 2013 Lancet Commission Report, Global Health 2035, rightly pointed out that we are at a unique place in history where a “grand convergence” of health initiatives to reduce both infectious diseases, and child and maternal mortality – diseases that... -
Drivers for the effective management of HIV and AIDS in the South African construction industry — a Delphi study
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nishani Harinarain --- School of Engineering, Property Development Programme, South Africa Theo Conrad Haupt --- School of Engineering, Property Development Programme, South AfricaDifferent industries manage the threats presented by HIV and AIDS in different ways. The construction industry is particularly vulnerable to the pandemic because of its large unskilled labour force, high labour turnover and the migratory nature of the workforce. The... -
The effect of ungulate grazing on a small mammal community in southeastern Botswana
Item type: Journal Article • Journal: African Zoology • Authors: Eli R. Saetnan --- University of Illinois at Urbana-Champaign, U.S.A. Christina Skarpe --- Norwegian Institute for Nature Research, NorwayUngulates can reduce the quantity of food available for other herbivores in general or reduce the available cover for small mammals in particular. On the other hand, browsing and grazing may facilitate foraging by other mammals if the quality and... -
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... -
Riding the Tide: Management in Africa and the Role of High-Impact Research
Item type: Journal Article • Journal: Africa Journal of Management • Authors: David B. Zoogah --- Earl Graves School of Business and Management, USA Richard B. Zoogah --- Department of Sociology and Anthropology, Ghana Faustina Dalaba-Roohi --- One to One International Consulting, GhanaThe increased interest in the potential of African countries to rise from their current states of underdevelopment is matched by concern about the lack of scientific and technical knowledge. Given the role of management in national development and the contribution... -
The moving finger: Asian international hotel school students developing English language writing skills
Item type: Journal Article • Journal: • Authors: Peter Graham --- Stenden Rangsit University, Rattanakunakorn Building, 52/347 Muang Ake, Phaholyothin Road, Lak-Hok, Pathumthani, Bangkok, ThailandThe number of international English as a Second Language hospitality students completing their degree programs in Australasia has risen dramatically in the past decade. One factor that may be motivating students to undertake tertiary studies in Australasia is the expectation... -
Photo-identification and habitat use of Atlantic humpback dolphins Sousa teuszii around the Río Nuñez Estuary in Guinea, West Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CR Weir --- Ketos Ecology, UKEcological data for the Atlantic humpback dolphin Sousa teuszii are scant. Six on-effort Sousa teuszii sightings were recorded during 817.6 km of boat-based effort in the Río Nuñez region of Guinea during October and November 2013. Two incidental sightings were also... -
A preliminary investigation of the effects of an Inter Basin Transfer on the ichthyofauna of a small river in northern KwaZulu-Natal,South Africa
Item type: Journal Article • Journal: African Zoology • Authors: A. Viljoen [AN0001] D.P. Cyrus --- Coastal Research Unit of Zululand, South AfricaA study was carried out to provide baseline data so that future impacts of an Inter Basin Transfer on the fish fauna of the Mvuzana River could be assessed. Seven species of fish were recorded, and all were present under... -
Diatoms as water quality indicators in the upper reaches of the Great Fish River, Eastern Cape, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: M Holmes --- School of Biological Sciences, South Africa JC Taylor --- School of Biological Sciences, South AfricaThis study focused on the spring-fed upper reaches of the economically important Great Fish River with the aim of determining if diatoms could be used for biomonitoring in semi-arid conditions in southern Africa. Five sites were monitored monthly from 2010... -
Have grass carp driven declines in macrophyte occurrence and diversity in the Vaal River, South Africa?
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PSR Weyl --- Zoology and Entomology Department, South Africa GD Martin --- Zoology and Entomology Department, South AfricaThe Vaal River, South Africa, historically had a rich diversity of native submerged macrophytes with at least 13 species from 5 families recorded. Over the past 10 years there has been a noticeable reduction in the occurrence and diversity of... -
Structure and dynamics of demersal fish assemblages over three decades (1985–2012) of increasing fishing pressure in Guinea
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ML Camara --- Centre National des Science Halieutiques de Boussoura (CNSHB), Republic of Guinea B Mérigot --- Université de Montpellier, France F Leprieur --- Université de Montpellier, France JA Tomasini --- Université de Montpellier, France I Diallo --- Centre National des Science Halieutiques de Boussoura (CNSHB), Republic of Guinea M Diallo --- Centre National des Science Halieutiques de Boussoura (CNSHB), Republic of Guinea D Jouffre --- Institut de Recherche pour le Développement, SenegalIn a context of growing fishing pressures and recommendations for an ecosystem approach to fisheries, there is a need to monitor changes in fish communities over time. In this study, we analysed data from scientific trawl surveys carried out on... -
Ingestion rates and grazing impact of the brackwater mussel Brachidontes virgiliae in Lake St Lucia, iSimangaliso Wetland Park, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: HA Nel --- School of Life Sciences, South Africa R Perissinotto --- School of Life Sciences, South Africa NK Carrasco --- School of Life Sciences, South AfricaBivalves feed on a combination of phytoplankton and zooplankton and have the potential to impact considerably the planktonic biomass, especially when they occur in high densities, such as in oyster and mussel beds. The brackwater mussel Brachidontes virgiliae is numerically... -
Methods for assessing the impact of research on innovation and development in the agriculture and food sectors
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ludovic Temple --- Cirad Umr Innovation, France Estelle Biénabe --- Cirad Umr Innovation, France Danielle Barret --- Cirad-Dgdrs, France Gilles Saint-Martin --- Cirad-Dgdrs, FranceThe need for technological transition and the context of the privatization of public research funding both challenge the evolution of methods to assess the impact of research in the agricultural and food sectors. We analyze this evolution through a literature... -
Factors affecting the breeding success of the African Black Oystercatcher (Haematopus moquini): a perspective on protection and food availability
Item type: Journal Article • Journal: African Zoology • Authors: Douglas Loewenthal --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Dane M Paijmans --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Philip AR Hockey --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South AfricaBreeding success (fledglings pair−1 y−1) of the Red-listed African Black Oystercatcher (Haematopus moquini) is highly variable, both spatially and temporally. Despite a diversity of natural factors causing this variability, there is evidence that two anthropogenic factors, i.e. disturbance and an... -
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... -
Sustainable agriculture practices and livelihoods in pro-poor smallholder farming systems in southern Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Clifton Makate --- International Centre for Tropical Agriculture (CIAT), Zimbabwe Marshall Makate --- Department of Economics, USA Nelson Mango --- International Centre for Tropical Agriculture, UgandaClimate variability and change threaten and impact negatively on biodiversity, agricultural sustainability, ecosystems, and economic and social structures – factors that are all vital for human resilience and wellbeing. To cope with these challenges, embracing sustainability in food production is... -
Scope of research on Parthenium hysterophorus in Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Owen Rubaba --- College of Health Sciences, South Africa Moses Chimbari --- College of Health Sciences, South Africa Samson Mukaratirwa --- School of Life Sciences, South AfricaParthenium (Parthenium hysterophorus) is an invasive plant that invades farm and grazing lands, and affects biodiversity, animal and human health, agricultural productivity and food security. The plant is native to the Americas, but was introduced to Africa, Asia and Australia... -
Modelling the impacts of semi-intensive aquaculture on the foodweb functioning of a Nile Delta coastal lake
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Bocci --- Department of Environmental Sciences, Informatics and Statistics, Italy R Pastres --- Department of Environmental Sciences, Informatics and Statistics, Italy S Kholeif --- National Institute of Oceanography and Fisheries (NIOF), Egypt D Dalla Barba --- Department of Environmental Sciences, Informatics and Statistics, Italy D Brigolin --- Department of Environmental Sciences, Informatics and Statistics, ItalyNutrient loadings are an important component of aquaculture impacts as they can lead to cascade effects at the ecosystem level. An evaluation of these effects on foodweb functioning is presented and discussed for the case study of Lake Burullus in... -
Focusing on monofilament nets while overlooking the priorities of artisanal fisheries governance in Senegal
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D Thiao --- Centre de Recherches Océanographiques de Dakar-Thiaroye (CRODT), Senegal A Mbaye --- Centre de Recherches Océanographiques de Dakar-Thiaroye (CRODT), Senegal M Dème --- Centre de Recherches Océanographiques de Dakar-Thiaroye (CRODT), Senegal HD Diadhiou --- Centre de Recherches Océanographiques de Dakar-Thiaroye (CRODT), SenegalDespite its legal prohibition since 1998, the nylon monofilament net is still widely used in Senegalese artisanal fisheries. To achieve a complete ban on monofilament use, it is necessary to understand the main arguments for its continued use and what... -
Catalyzing Social Entrepreneurship in Africa: Roles for Western Universities, NGOs and Corporations
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Philip Mirvis --- Global Network on Corporate Citizenship, USA Bradley Googins --- Center for Corporate Citizenship at Boston College, USAThis article reviews research on promoting social entrepreneurship and enterprise in Africa. It also presents brief case studies on how select Western universities, NGOs and corporations are partnering with African institutions to help train and launch social entrepreneurs, to open... -
Blind Spots in African Management Education: An Examination of Issues Deserving Greater Attention
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Michelle P. Lee --- Lee Kong Chian School of Business, Singapore Howard Thomas --- Lee Kong Chian School of Business, Singapore Lynne Thomas Alexander Wilson --- School of Business and Economics, UKThere is reason to be optimistic about management education in Africa given the growth in the number of business schools on the continent and continued efforts at raising quality. There remains room for improvement in the field, of course, and... -
An investigation of the impact of the 1 + 4 Mathematics Teaching Intervention Programme on the attitude of Grade eight and nine Mathematics teachers after two years of attendance
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Yeyisani Makhubele --- Computer and Mathematical Sciences, University of Mpumalanga, South AfricaThe purpose of the study was to explore Grade eight and nine teachers’ attitudes towards teaching Mathematics after they had spent two years attending the 1 + 4 Mathematics Teaching Intervention Programme. The sample for the study consisted of 82 teachers who... -
Impact of Integrated Striga Management (ISM) technology on maize productivity in northern Nigeria: A treatment effect approach
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: L. J. S. Baiyegunhi --- Discipline of Agricultural Economics, School of Agricultural, Earth and Environmental Sciences, South Africa M. B. Hassan --- Discipline of Agricultural Economics, School of Agricultural, Earth and Environmental Sciences, South Africa G. F. Ortmann --- Discipline of Agricultural Economics, School of Agricultural, Earth and Environmental Sciences, South AfricaThis paper evaluates the impact of adopting Integrated Striga Management (ISM) technologies on maize productivity among rural households of northern Nigeria. The study utilizes cross-sectional data collected in 2014 from a randomly selected 643 households. A treatment effect regression model... -
Invertebrate drift densities in the Njoro and Kamweti Rivers in the Kenyan highlands that differ in the level of anthropogenic disturbances
Item type: Journal Article • Journal: African Zoology • Authors: Charles M M’Erimba --- Department of Biological Sciences, Kenya John G Mbaka --- Department of Land and Water Management, Kenya Priscilla W Mureithi --- Department of Biological Sciences, Kenya Ken O Ouma --- Department of Biological Sciences, KenyaInvertebrate drift is one of several fundamental ecological processes in streams. However, little is known about the dynamics of invertebrate drift in Kenyan streams. In this study, we assessed invertebrate drift in two rivers, i.e. Njoro and Kamweti, that differ... -
Deployment factors for mobile business intelligence in developing countries small and medium enterprises
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Tope Samuel Adeyelure --- Department of Informatics, South Africa Billy Mathias Kalema --- Department of Informatics, South Africa Kelvin J. Bwalya --- School of Consumer Intelligence and Information Systems, South AfricaData are more rapidly generated than they can be digested and consumed in real time due to the increased mobility and automation of activities of small and medium enterprises (SMEs). These challenges could be avoided if SMEs in developing countries... -
Impact of information technology on innovation in determining firm performance
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Indiran Poobalan Naidoo --- Graduate School of Business and Leadership, University of KwaZulu-Natal, South Africa Muhammad Hoque --- Graduate School of Business and Leadership, University of KwaZulu-Natal, South AfricaThe aim of this study is to investigate the strategic relevance of Information Technology (IT). The study used resource-based theory to test if IT was a competitive resource, by examining the role it played between the constructs of innovation capability... -
Sustainable development practices for the hotel industry in Nigeria: Implications for the Ilaro area of Ogun State
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Edwin Chigozie Nwokorie --- Department of Hospitality Management, Nigeria Judipat Nkiru Obiora --- Department of Hospitality Management & Tourism, NigeriaSustainable development practices of 15 hotels were investigated in this study in which a 41 point questionnaire, prepared in 10 sub-scales, was administered to 350 respondents selected from employees of the hotels and residents of the host community to ascertain... -
Minimum population size and potential impact of feral and semi-feral donkeys and horses in an arid rangeland
Item type: Journal Article • Journal: African Zoology • Authors: Halcyone Muller --- Conservation South Africa, South Africa Amanda Bourne --- Department of Biological Sciences, South AfricaFarmers in the northern, communally managed parts of the Succulent Karoo, an arid rangeland system in South Africa, historically used donkeys and horses for transport and ploughing. With increasing mechanisation, draught animal power has largely been replaced by machines. Yet,... -
Impact of human activities on the reproduction of Hooded Vultures Necrosyrtes monachus in Burkina Faso
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Clément Daboné --- Laboratory of Animal Biology and Ecology, Burkina Faso Ralph Buij --- Department of Animal Ecology, The Netherlands Adama Oueda --- Laboratory of Animal Biology and Ecology, Burkina Faso Jacques Boko Adjakpa --- Laboratory of Research in Applied Biology, Benin Wendengoudi Guenda --- Laboratory of Animal Biology and Ecology, Burkina Faso Peter DM Weesie --- Science and Society Group, Faculty of Sciences and Engineering, The NetherlandsDuring the last decades, the critically endangered Hooded Vulture Necrosyrtes monachus has strongly declined across its African range. Although direct persecution has been suggested as a major cause of this decline, little is known about the impact of humans on... -
Conservation buffer sizes derived from movement data of adult Cape vultures (Gyps coprotheres) in South Africa
Item type: Journal Article • Journal: African Zoology • Authors: Jan A Venter --- School of Natural Resource Management, South Africa Francis R Martens --- School of Natural Resource Management, South Africa Kerri Wolter --- VulPro, South AfricaThe endangered Cape vulture (Gyps coprotheres) is facing a new emerging threat, e.g. wind energy development. Given their vulnerability to wind energy infrastructure, there is a necessity to establish proactive measures that could potentially mitigate future collisions, such as conservation... -
The socioeconomic impact of rural-origin graduates working as healthcare professionals in South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: Richard Gavin McGregor --- Umthombo Youth Development Foundation, South Africa Andrew John Ross --- College of Health Sciences Discipline of Family Medicine, South Africa Ganzamungu Zihindula --- Umthombo Youth Development Foundation, South AfricaBackground: Studies documenting the socioeconomic impact of education leading to employment of rural youth, specifically in the healthcare professions, are lacking. The Umthombo Youth Development Foundation (UYDF) is an NGO that provides financial support for rural students to train as... -
Impacts of a concentrated solar power trough facility on birds and other wildlife in South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Corey Jeal --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Vonica Perold --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa Samantha Ralston-Paton --- BirdLife South Africa, South Africa Peter G Ryan --- FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South AfricaThis study assesses bird and wildlife mortality and changes in bird species communities at a 50 MW utility-scale concentrated solar power parabolic trough facility in South Africa. The facility was searched for evidence of large vertebrate mortalities over three months... -
Vegetation dynamics in the face of a major land-use change: a 30-year case study from semi-arid South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Olli Hyvärinen --- FitzPatrick Institute of African Ornithology, DST/NRF Centre of Excellence, South Africa M Timm Hoffman --- Plant Conservation Unit, Department of Biological Sciences, South Africa Chevonne Reynolds --- FitzPatrick Institute of African Ornithology, DST/NRF Centre of Excellence, South AfricaAlthough wildlife production is widely considered beneficial for semi-arid environments, few studies have reported on the long-term environmental effects of converting from livestock production to game ranching. Asante Sana Game Reserve in South Africa was stocked with domestic livestock for... -
Spatial modelling of cumulative human pressure in the tropical coastscape of Zanzibar, Tanzania
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: ZA Khamis --- Department of Geography and Geology, Finland R Kalliola --- Department of Geography and Geology, Finland N Käyhkö --- Department of Geography and Geology, FinlandCoastal landscapes and seascapes (‘coastscapes’) are under immense anthropogenic pressures emanating from multiple human activities. We applied spatial modelling to characterise the cumulative pressures in the coastscape of Zanzibar’s main island Unguja (hereafter Zanzibar), in the western Indian Ocean. We... -
The impact of supply chain management practices on industry competitiveness: A mixed-methods study on the Zimbabwean petroleum industry
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Happyson Bimha --- Graduate School of Business & Leadership, South Africa Muhammad Hoque --- Graduate School of Business & Leadership, South Africa Elias Munapo --- School of Economics and Decision Sciences, South AfricaEffective supply chain management practices can enhance competitiveness along the supply chain. Fuel supply chain competitiveness requires a reliable flow of product and customer satisfaction. Competitiveness eluded the Zimbabwean petroleum industry over time and so this research looked at the... -
Drought challenges for nature tourism in the Sabi Sands Game Reserve in the eastern region of South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Tamzyn Smith --- , South Africa Jennifer M Fitchett --- , South AfricaThe Lowveld of South Africa, a savanna biome region economically dominated by nature tourism, has experienced a prolonged dry period beginning in approximately 2015. Despite emerging literature on climate and tourism in southern Africa, the challenges to tourism in the... -
Abiotic and biotic responses to the 2016/2017 restoration project at the St Lucia Estuary mouth, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: S Jones --- DST/NRF Research Chair in Shallow Water Ecosystems, South Africa NK Carrasco --- School of Life Science, South Africa R Perissinotto --- DST/NRF Research Chair in Shallow Water Ecosystems, South Africa C Fox --- Ezemvelo KwaZulu-Natal Wildlife, St Lucia Estuary, South AfricaThe St Lucia Estuary is the largest estuarine lake in Africa and has been heavily impacted by anthropogenic activities, which include a history of human-induced sediment loading and separation in the 1950s of the originally common St Lucia Estuary-uMfolozi River... -
Mangrove colonisation of the Mlalazi Estuary, South Africa: a response to artificial breaching
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: RH Taylor --- Hydrology Department, South AfricaThe Mlalazi Estuary has 40 ha of mangroves, but before the 1930s there were none. The purpose of this study is to understand why this change occurred, and how the understanding thus gained can provide ecological information that will help... -
Response of the barrier island coastal region of southwestern Nigeria to climate and non-climate forcing
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: IB Danladi --- Department of Geological Engineering, Turkey M Gül --- Department of Geological Engineering, Turkey E Ateş --- Vocational School of Ayaş, TurkeyDespite threats emanating from the influence of climate and non-climate forcing on the barrier island coastal region of southwestern Nigeria, the extent of the coastal erosion is poorly understood. We report evidence of coastal erosion and sediment accumulation in the... -
Does conservation agriculture technology reduce farm household poverty? Evidence from rural Zambia
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Abdul Nafeo Abdulai --- , Ghana Awal Abdul-Rahaman --- , GhanaThis study examines the adoption and impact of conservation agriculture on farm household poverty in Zambia using both provincial and average poverty lines, given that the poverty line is a key driver to the determination of household poverty. We probe... -
African international students’ career and job satisfaction: The case of China
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Dennis Fiifi Darko --- , China Zheng He --- , China Evans Asante Boadi --- , China Isaac Owusu Asante --- , ChinaWe aimed to examine the influence of international education career preparation on job acquisition (JA), skilled labour (SL), and job satisfaction (JS) among African student graduates of Chinese universities. Participants were 708 graduates from Ghana who attended Chinese higher education... -
A systems-based R&D management model for the road and transport engineering sector applied to a community access roads and transport research programme
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Frederik Christoffel Rust --- , South Africa Leslie Roy Sampson --- , South AfricaA conceptual non-linear, systems-based R&D management model for the road and transport sector was developed to address the associated complexities of transport and road research. It takes account of all the elements of the innovation value chain as well as... -
Plankton Index of Biotic Integrity (P-IBI) for assessing ecosystem health within the Ouémé River basin, Republic of Benin
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: AM Houssou --- , Republic of Bénin DC Adjahouinou --- , Republic of Bénin CA Bonou --- , Republic of Bénin E Montchowui --- , Republic of BéninThis study aims at assessing the impact of organic pollution on plankton communities of the Ouémé River using a Plankton Index of Biotic Integrity (P-IBI) as a tool for ecological heath assessment. Plankton and other environmental data were collected monthly... -
Teratological cases of the ocular patterns in the South African endemic trapdoor spider genus Stasimopus Simon (1892) (Araneae, Mygalomorphae, Stasimopidae)
Item type: Journal Article • Journal: African Zoology • Authors: Shannon Mitchell --- , South Africa Catherine Sole --- , South Africa Robin Lyle --- , South AfricaTeratology is the science that deals with the causes and patterns of deformities, abnormalities and defects in the physical development of animals. Teratological occurrences can be due to genetic or environmental conditions. Ocular teratologies are common in hypogean spiders. This... -
Fire and rust – the impact of Austropuccinia psidii (myrtle rust) on regeneration of Myrtaceae in coastal heath following wildfire
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: GS Pegg --- , Australia P Entwistle --- , Australia FR Giblin --- , Australia AJ Carnegie --- , AustraliaIn April 2010, the exotic rust fungus Austropuccinia psidii was detected for the first time in Australia, with the host range rapidly increasing to >350 species from 58 genera within the family Myrtaceae. Commonly known as myrtle rust, the disease... -
An assessment of the ecological condition of a wetland on the Lions River floodplain based on soil and vegetation parameters, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: H Ndlovu --- , South Africa DC Kotze --- , South Africa GPW Jewitt --- , South Africa CD Morris --- , South AfricaWetlands are increasingly exposed to human activities, resulting in degradation. As the wetland degrades, it loses functionality. In South Africa, wetlands can play an important water-regulating role. This study aims to establish the ecological condition of a historically utilised wetland... -
The impact of existing diabetes self-management education interventions on knowledge, attitudes and practices in public health care institutions in Harare, Zimbabwe
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: Sanele Nkomani --- , South Africa Simbarashe Ruskaniko --- , Zimbabwe Renée Blaauw --- , South Africa -
Development of a Water Quality Assessment Index for the Chania River, Kenya
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: GK Robert --- , Kenya CN Onyari --- , Kenya JG Mbaka --- , KenyaHuman-related activities are known to have deleterious effects on the water quality of aquatic ecosystems, but there is limited information on the impact of these on rivers in tropical regions, such as the Chania River in Kenya. The Chania River... -
The impact of orphanage tourism on Bali
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Rodney Westerlaken --- , the NetherlandsThis article deals with the phenomenon of orphanage tourism in Bali, Indonesia. Context is given based on a recent published report by the Dutch government on the impact of orphanage tourism. Findings are derived from larger-scale qualitative research based on... -
Zooplankton communities in Lake Nasser, Egypt, under the current flood regime, before the construction of Grand Ethiopian Renaissance Dam (GERD)
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Mahmoud H Hegab --- , Egypt Nehad Khalifa --- , Egypt Walid Aly --- , EgyptThis study focuses on changes in zooplankton composition and abundance in Lake Nasser during different flood periods before the construction of the Grand Ethiopian Renaissance Dam (GERD). Field surveys were carried out in August 2016 (flood period), December 2016 (post-flood... -
Dazzled by the light: the impact of light pollution from ships on seabirds at Tristan da Cunha
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Peter G Ryan --- , South Africa E Molly Ryan --- , South Africa James P Glass --- ,Most of the millions of burrow-nesting petrels that breed at Tristan da Cunha are susceptible to light pollution. On dark, misty nights, petrels become disoriented by artificial lights, mainly from ships. From 2013 to 2021 at least 1 823 petrels... -
A review of marine invertebrates used as fishing baits and the implications for national and regional management in the Western Indian Ocean
Item type: Journal Article • Journal: African Zoology • Authors: Carol A Simon --- , South Africa Agnes WN Muthumbi --- , Kenya Charles M Kihia --- , Kenya Kyle MS Smith --- , South Africa Riaan B Cedras --- , South Africa Paubert T Mahatante --- , Madagascar Virginia W Wangondu --- , Kenya Robert Katikiro --- , TanzaniaIn the Western Indian Ocean (WIO), more than 76 records from peer-reviewed and grey literature identified approximately 60 invertebrate taxa harvested for bait and food. The most diverse phyla were Mollusca, followed by Arthropoda and Annelida, with few records of... -
Fire as friend or foe: the role of scientists in balancing media coverage of fires in National Parks
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Izak PJ Smit --- , South Africa Marina Joubert --- , South Africa Kyle Smith --- , South Africa Nicola van Wilgen --- , South Africa Tercia Strydom --- , South Africa Johan Baard --- , South Africa Marna Herbst --- , South AfricaFire can destroy infrastructure and livelihoods, and claim lives. Yet, fire is inevitable and plays several vital ecological roles that have shaped ecosystems over millennia. Planned fires also serve human needs. Critical media content analysis of 390 media reports (print,... -
The effect of changes in human drivers on the fire regimes of South African grassland and savanna environments over the past 100 years
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: James R Puttick --- , South Africa M Timm Hoffman --- , South Africa Timothy G O’Connor --- , South AfricaFire is a key regulator of tree cover in grassy ecosystems, but century-long changes in fire regimes have not been explicitly quantified in South Africa. This study aimed to determine changes in the fire regimes of South Africa’s grassy biomes... -
Structural assemblages of plant species in the Owabi Ramsar Wetland in the Ashanti Region of Ghana
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Collins A Nsor --- , Ghana Rockson Acolatse --- , Ghana John N Mensah --- , Ghana Samuel K Oppong --- , Ghana Daniel Dompreh --- , Ghana Louis Addai-Wireko --- , GhanaAnthropogenic activities as predictors of species assemblages in the Owabi Ramsar Wetland were investigated between May and September 2019. Data were collected in 154 plots at five different sites. The prevalence index method was used to categorise the species into... -
The Catalan tourism subsystem: applying the methodology of subsystems in the tourism sector
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Albert Vancells --- , Spain Juan Antonio Duro --- , SpainThe analysis of input-output is one of the methodologies most applied in tourism literature to the study of the impacts of tourism activity. In this article, we apply the input-output (IO) subsystems methodology. This methodology is a useful tool for... -
Impact of COVID-19 on the global hospitality industry: a brief review of current academic literature and meta-analysis to determine primary qualitative themes
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: David S Fowler --- , USAThe purpose of this study is to examine the current literature pertaining to the impact of COVID-19 on the global hospitality industry. The research has a two-fold approach. First, a succinct examination of the literature highlights the significant negative effects... -
Influence of anthropogenic activities on water quality of the Kihansi River (Tanzania) and on population trends of captive Kihansi spray toads (Nectophrynoides asperginis)
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Atuhombye Sigala --- , United Republic of Tanzania Kelvin Ngongolo --- , United Republic of Tanzania Naza Mmbaga --- , United Republic of TanzaniaFreshwater habitats in Africa receive large amounts of pollutants that affect several aspects of aquatic biodiversity, including Kihansi spray toads (KST) (Nectophrynoides asperginis). Little information is available on the influence of anthropogenic activities on the water quality along the Kihansi... -
Lessons learnt from UNAIDS virtual technical support to countries applying for funding from the Global Fund COVID-19 Response Mechanism
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Arlette Campbell White --- , United Kingdom Marc Péchevis --- , United Kingdom Adriana Jimenez Cuen --- , SwitzerlandIn 2020 the Global Fund for AIDS, Tuberculosis and Malaria initiated a new funding modality, the COVID-19 Response Mechanism, to mitigate the pandemic’s effects on HIV, TB and malaria programmes and health systems in implementer countries. In 2021 UNAIDS introduced... -
Impact of entrepreneurship development programmes on economic aspects of trainees: Evidence from training centres in India
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Santhosha Shetty G --- , India Vikram Baliga --- , India Mathew Thomas Gil --- , India Ren Trevor Dias --- , India Sandeep S. Shenoy --- , IndiaThe aim of this research work was to analyze the impact of entrepreneurship development programmes (EDPs) offered by Rural Development and Self-Employment Training Institutes (RUDSETIs) on the economic aspects of trainees of these institutes. The researchers collected data from 386... -
Does Bonga sheep producers’ cooperative membership improve households’ income in southern Ethiopia?
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Kassa Tarekegn --- Southern Agricultural Research Institute, Ethiopia Yishak Shitaye --- Southern Agricultural Research Institute, Ethiopia Tesfaye Gafaro --- Southern Agricultural Research Institute, EthiopiaBonga sheep is one among the known indigenous sheep breeds in Ethiopia with a high rate of growth and weight gain under smallholder management. To enhance the sheep productivity, 16 Bonga sheep breed improvement cooperatives were established in Kaffa zone... -
Estimating the economic damage caused by jellyfish to fisheries in Morocco
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: B Mghili --- University Abdelmalek Essaâdi, Morocco M Analla --- University Abdelmalek Essaâdi, Morocco M Aksissou --- University Abdelmalek Essaâdi, MoroccoAlthough there is great fluctuation in annual recordings of jellyfish along the Moroccan Mediterranean coast and an absence of long-term datasets, there is a common perception that jellyfish numbers are rising. To better understand the possible economic losses sustained by... -
Effects of award incentives and competition on entrepreneurship development of women farmers in North West province, South Africa
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Enioluwa Jonathan Ijatuyi --- , South Africa Oladimeji Idowu Oladele --- , Nigeria Abiodun Olusola Omotayo --- , South AfricaFemale agricultural workers play an important role in feeding the world; hence, there is a need to encourage females in agricultural enterprises of developing countries. This study specifically identified the socioeconomic characteristics of the participants, their degree of participation, the... -
Disrupted dining: decline of the premium food services segment in India due to the COVID-19 pandemic
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Kishore Thomas John --- Indian Institute of Technology, India Rejikumar Gopalakrishnan --- , IndiaThis review article analyses the premium “fine dining” segment of the Indian food services sector, examining trends during the COVID-19 pandemic. Specifically, we discuss the challenges encountered and initiatives taken in response to the global coronavirus outbreak. Using secondary data... -
The effects of COVID-19 on food insecurity, financial vulnerability and housing insecurity among women and girls living with or at risk of HIV in Nigeria
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Erik Lamontagne --- , Switzerland Morenike Oluwatoyin Folayan --- Obafemi Awolowo University, Nigeria Olujide Arije --- Obafemi Awolowo University, Nigeria Amaka Enemo --- , Nigeria Aaron Sunday --- , Nigeria Amira Muhammad --- Northern Nigerian Transgender Initiative, Nigeria Hasiya Yunusa Nyako --- , Nigeria Rilwan Mohammed Abdullah --- , Nigeria Henry Okiwu --- , Nigeria Veronica Akwenabuaye Undelikwo --- University of Calabar, Nigeria Pamela Adaobi Ogbozor --- Enugu State University of Science and Technology, Nigeria Oluwaranmilowo Amusan --- Obafemi Awolowo University, Nigeria Oluwatoyin Adedoyin Alaba --- Obafemi Awolowo University, NigeriaAim : Women and girls living with or at high risk of acquiring HIV (WGL&RHIV) in Africa are economically vulnerable. This study aims to advance understanding of the economic impact of COVID-19 on WGL&RHIV and to identify the factors associated... -
Economic implications of COVID-19 for the HIV epidemic and the response in Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Charles Birungi --- , Switzerland Markus Haacker --- University College London, United Kingdom Isaac Taramusi --- , Zimbabwe Amon Mpofu --- , Zimbabwe Bernard Madzima --- , Zimbabwe Tsitsi Apollo --- , Zimbabwe Owen Mugurungi --- , Zimbabwe Martin Odiit --- , Zimbabwe Michael A Obst --- , GermanyUnderstanding the economic implications of COVID-19 for the HIV epidemic and response is critical for designing policies and strategies to effectively sustain past gains and accelerate progress to end these colliding pandemics. While considerable cross-national empirical evidence exists at the... -
Does vitamin A rich orange-fleshed sweetpotato adoption improve household level diet diversity? Evidence from Ghana and Nigeria
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Souleimane Adeyemi Adekambi --- University of Parakou (UP), Parakou Julius Juma Okello --- , Uganda Jan Low --- , Kenya Putri Ernawati Abidin --- , Ghana Edward Carey --- , GhanaPromoting the consumption of locally available food crops such as orange-fleshed sweetpotato (OFSP) that are rich in beta carotene, a precursor for vitamin A, has been shown to be a highly effective means of fighting against vitamin A deficiency at... -
Gender and HIV/AIDS impact mitigation in sub-Saharan Africa — recognising the constraints
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Janet Seeley --- Gender and Development, School of Development Studies, University of East Anglia, Rachel Grellier --- Options Consultancy Services, Tony Barnett --- Development Studies Institute, London School of Economics and Political Science,In discussions of gender and HIV/AIDS, attention has focused on prevention. This is a vital area. However, we argue that there is also a need to focus more attention on the resulting impact of the epidemic, because inequalities that promote... -
Perceived HIV/AIDS impact among staff in tertiary institutions in the Eastern Cape, South Africa
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Nancy Phaswana-Mafuya --- Social Aspects of HIV/AIDS and Health, Human Sciences Research Council, Karl Peltzer --- Social Aspects of HIV/AIDS and Health, Human Sciences Research Council,A descriptive questionnaire-based study was undertaken among staff in tertiary institutions in the Eastern Cape Province. The objective of the study was to explore perceived HIV/AIDS impact on duties at work, staff morale, job satisfaction and workload among a proportionate... -
Estimates of eligibility for antiretroviral treatment (ART) and projected ART impact on AIDS mortality among South African educators
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Thomas M Rehle --- HSRC's Social Aspects of HIV/AIDS and Health Programme, Olive Shisana --- South African Human Sciences Research Council,The study assessed the proportion of HIV-infected educators that need antiretroviral treatment (ART) according to current criteria, and estimated the impact of ART on AIDS mortality by modelling scenarios with and without access to ART. Specimens for HIV testing were... -
Impact of AIDS on rural livelihoods in Benue State, Nigeria
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Thea Hilhorst --- Royal Tropical Institute (KIT), Marti van Liere --- Health Department, KIT, Adiya V Ode --- DFID, Nigeria Korrie de Koning --- Department of Development, Policy and Practice, KIT,This study addresses the socio-economic impact of AIDS on rural livelihoods in Benue State, Nigeria, where HIV prevalence is 9.3% but the number of AIDS cases is still relatively low. About 6% of the study households had experienced illness and... -
Restoration of South African estuaries: successes, failures and the way forward
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: L Claassens --- Rhodes University, South Africa JB Adams --- Institute for Coastal & Marine Research, Nelson Mandela University, South Africa NM de Villiers --- Rhodes University, South Africa J Wasserman --- Institute for Coastal & Marine Research, Nelson Mandela University, South Africa AK Whitfield --- South African Institute for Aquatic Biodiversity (SAIAB), South AfricaMajor threats to South African estuaries include freshwater flow alterations, urbanisation, habitat transformation, deteriorating water quality, increased biological invasions and resource over-exploitation. Although South African estuary restoration is in its infancy, important lessons have been learnt through past efforts undertaken... -
Impact of tourism on residents’ well-being amid the CoVID-19 pandemic in Bali
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Larissa Huser --- Universitas Triatma Mulya International, Indonesia Erna Wiles --- Universitas Triatma Mulya International, Indonesia Rodney Westerlaken --- NHL Stenden University of Applied Sciences, The NetherlandsBy being dependent on one of the most impacted industries, the travel industry, Balinese residents experienced a considerable downturn in their well-being during the COVID-19 pandemic. This research aims to examine the extent to which sociocultural, economic and environmental aspects... -
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... -
Volunteering dynamics in leisure, tourism and hospitality: developing sustainable practices for well-being and social impact
Item type: Journal Article • Journal: Research in Hospitality Management • Authors: Bertine Bargeman --- Breda University of Applied Sciences, The Netherlands Licia Calvi --- Breda University of Applied Sciences, The Netherlands Rodney Westerlaken --- NHL Stenden University of Applied Sciences, The Netherlands Geesje Duursma --- NHL Stenden University of Applied Sciences, The NetherlandsThis article explores the multifaceted landscape of volunteering in leisure, tourism and hospitality (LTH) organisations, acknowledging its fundamental role in civil society, and serves as the inception point for an in-depth research project. Volunteerism is explored in diverse forms, ranging... -
Winter storms: a potential threat to African oystercatchers Haematopus moquini
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: LG Underhill --- University of Cape Town, South AfricaSubstantial effort has gone into identifying threats to the African oystercatcher Haematopus moquini, a species of seabird native to the mainland coasts and offshore islands of southern Africa. Winter storms represent a possible further threat owing to the potential to... -
Strengths mindset and job satisfaction: The mediating role of thriving at work and the moderating role of authentic leadership
Item type: Journal Article • Journal: Journal of Psychology in Africa • Authors: Yang Liu --- North China Electric Power University, China Shunkun Yu --- North China Electric Power University, China He Ding --- North China Electric Power University, ChinaWe examined whether thriving at work mediated the relationship between strengths mindset and job satisfaction, as well as the moderating role of authentic leadership within this relationship. Data were gathered from 717 employees (female = 46%; mean age = 31.77... -
Socio-ecological change in bait fisheries for the common sandprawn Kraussillichirus kraussi in Durban Harbour, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: D Chetty --- Oceanographic Research Institute (ORI), South Africa E Steyn --- Oceanographic Research Institute (ORI), South Africa JC Groeneveld --- Oceanographic Research Institute (ORI), South AfricaBait fishing for the common sandprawn Kraussillichirus kraussi in Durban Harbour, on the east coast of South Africa, has a history going back to the early 20th century and has been influenced by port development and political changes over time... -
Patent-paper citations: A window into the technological impact of Tunisian research
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ridha Mhamdi --- Centre of Biotechnology of Borj-Cedria, TunisiaThis study constitutes the first report evaluating research performance at a national level by analyzing literature references cited in patents. The objective is to quantify the technological impact of the Tunisian research through patent-paper citations. Using the SciVal research analytics... -
Influence of water physico-chemical properties and vegetation type on the distribution of schistosomiasis intermediate host snails in Nelson Mandela Bay, South Africa
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: PS Campbell --- Nelson Mandela University, South Africa JB Adams --- Institute for Coastal and Marine Research and Department of Botany, Nelson Mandela University, South Africa M Thwala --- Nelson Mandela University, South Africa O Oyedele --- Nelson Mandela University, South Africa PE Melariri --- Nelson Mandela University, South AfricaSchistosomiasis is an infectious water-borne disease transmitted by Schistosoma flatworms. Humans become infected through skin penetration following exposure to water contaminated with schistosome cercariae. This study assessed the physico-chemical properties of the water bodies, vegetation type, distribution and habitat presence... -
The number of human-simulated predators influences the escape behaviour of bird species in a West African protected area
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ngozi M Okafor --- AP Leventis Ornithological Research Institute, Nigeria Soladoye B Iwajomo --- University of Lagos, Nigeria Bukola DA Azaki --- University of Cape Town, South Africa Manu A Shiiwua --- AP Leventis Ornithological Research Institute, NigeriaContinuous human presence in protected and recreational areas can adversely affect wildlife. Birds perceive the approach by humans as predatory and mostly flee in response, which can be energetically costly, and leads to disruption of foraging activities and interactions with... -
Three decades of research on olive mill waste: A patent citation analysis
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Ridha Mhamdi --- Centre of Biotechnology of Borj-Cedria, TunisiaThis paper investigates the technological impact of research on olive mill wastes (OMW) by analyzing patent citations. Using a dataset of 2448 publications from Scopus, we identified 151 papers cited by patents. The results show a moderate correlation between academic... -
Seasonal effects on surface water quality in the Awetu River, Ethiopia
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Mohammedsalih Kadir Gobana --- Jimma University, Ethiopia Alemayehu Haddis Getahun --- Jimma University, Ethiopia Dessalegn Dadi Olani --- Jimma University, EthiopiaUnderstanding the impact of seasonal variation on surface water provides a better understanding of pollution dynamics and the implementation of sustainable water-use and management strategies. The objective of this study was to assess the impact of seasonal variation on surface... -
Comparing seismic survey mitigation regulations: lessons for South Africa from international frameworks
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J Purdon --- Tshwane University of Technology, South Africa MJ Somers --- University of Pretoria, South Africa FW Shabangu --- University of Pretoria, South Africa Y Doh --- , France J Scheun --- Tshwane University of Technology, South AfricaUnderwater seismic surveys generate high-intensity, low-frequency noise that can negatively affect a range of marine fauna. As a result, countries have implemented mitigation regulations to reduce the potential impacts of this activity. This study examines seismic survey mitigation regulations from... -
Palearctic White Storks Ciconia ciconia in the Western Cape, South Africa, in the 20th century
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Les G Underhill --- University of Cape Town, South AfricaAt the start of the 20th century, the southern limit of the nonbreeding range of the White Stork Ciconia ciconia, a migrant from the Palearctic, was considered to be at the Orange River; they moved around opportunistically in this area... -
Invasion of Neltuma juliflora (mesquite) and its effects on soil physicochemical properties in a semi-arid rangeland of South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Siviwe Odwa Malongweni --- Sol Plaatje University, South AfricaInvasive species threaten ecosystem functions in African rangelands by altering soil properties, and affecting overall health and productivity. This study compared soil physicochemical characteristics under invasive Neltuma juliflora and native Vachellia karroo across two zones (beneath tree canopy versus open... -
Comparative benchmarking of fertiliser uses for oilseed crop production in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: HT Ottermann --- , South Africa SJ Haarhoff --- Stellenbosch University, South Africa KJ Truter --- , South Africa F Meyer --- , South Africa D van der Westhuizen --- , South Africa PA Swanepoel --- Stellenbosch University, South AfricaThis study comparatively benchmarks fertiliser use over two periods (2013–2015; 2021–2023) in South Africa's oilseed crop production [soybean (Glycine max), canola (Brassica napus) and sunflower (Helianthus annuus)] against global trends, with a focus on major oilseed exporters. It explores fertiliser...
