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Ergonomic Research in South African Forestry
Item type: Journal Article • Journal: South African Forestry Journal • Authors: Walter Warkotsch --- Faculty of Forestry, South AfricaAfter a short reflection on the South African forest industry the article discusses various research projects in ergonomics. -
A comparison of highveld fodders and fodder flows for growing out long yearling steers
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: J.O. Grunow --- Department of Plant Production, P.A. Pieterse --- Department of Plant Production, D.E. Borlinghaus --- ,A fodder flow/animal experiment 40,8 ha in extent (7,5 ha irrigated), with 19 paddocks, was carried out over a two and a half year period. -
The regrowth of Colophospermum mopane following clearing
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: R.J. Scholes --- Department of Botany, Republicof South AfricaThe recovery of cleared Colophospermum mopane thicket in the eastern Transvaal lowveld, to a level where its effect on grass production is similar to that in the pre‐cleared state, occurs within fourteen years. Based on certain assumptions, the ‘effective duration’... -
The complemental role of dryland cultivated pastures in market‐related beef production from semi‐arid rangeland
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: L.G. duPisani --- Department of Agricultural Development, Republic of South Africa T.E. Skinner --- Department of Agricultural Development, Republic of South AfricaRangeland condition is a decisive factor in determining the income:cost ratio of production and hence in the profitability of any beef production enterprise. By maintaining and/or improving rangeland condition, the beef producer can buffer himself against low profitability. Cultivated pastures... -
Costing the initial clearance of alien Acacia species invading fynbos vegetation
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: I. A.W. Macdonald --- , Republic of South Africa C. Wissel --- , Federal Republic of GermanyThe costs of the initial clearing of mixed stands of the alien Acacia cyclops and A. saligna invading fynbos vegetation were compared in a replicated trial on the Pella Fynbos Research Site. Costs were estimated using a regression-based model of... -
Long and short term effects of tillage systems on grain yield, the incidence of diseases and production costs for maize
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: K.F. Lawrance --- , Republic of South Africa M.A. Prinsloo --- , Republic of South Africa W. A.J. Berry --- , Republic of South AfricaThe effect of four tillage systems on grain yield of maize, incidence of diseases and production costs was investigated for a Hutton soil in the Natal Midlands from 1982 to 1995. The four tillage systems were no-till (NT), reduced tillage... -
Observations on the linefish resources of Namibia, 1990?2000, with special reference to West Coast steenbras and silver kob
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: J. A. Holtzhausen C. H. Kirchner S. F. VogesThe Namibian linefishery is a multisector fishery, with recreational and commercial sectors targeting overlapping species. Prior to 1990, catch data were recorded for the boat sector, but little research was done on the population dynamics of any of the species... -
An assessment of the recreational fishery in the St Lucia estuarine system, KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: B. Q. Mann N. C. James L. E. BeckleySt Lucia is one of the largest estuarine systems in Africa, and attracts thousands of anglers each year. Catchcard data from the National Marine Linefish System for the years 1986–1999 were analysed to determine catch composition, catch per unit effort... -
Case studies on the socio-economic characteristics and lifestyles of subsistence and informal fishers in South Africa
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: G. M. Branch J. May B. Roberts E. Russell B. M. ClarkTo develop a management strategy for informal fishers, a necessary first step is information about the nature of these fishers, their numbers and their socio-economic status. To accomplish this, a survey of socio-economic conditions and use of marine resources was... -
Socio-economic characteristics of gillnet and beach-seine fishers in the Western Cape, South Africa
Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: K. Hutchings S. J. Lamberth J. K. TurpieData collected by questionnaire and telephone surveys conducted during 1998 and 1999 are used to describe the socio-economic characteristics of inshore netfishers in the Western Cape. Approximately two-thirds of netfishers work or have worked in other fishing sectors and a... -
Forecasting volume and economic gains from intensive plantation management using different response curves
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: DavidB. South CurtisL. VanderSchaaf LarryD. TeeterProponents of intensive plantation management do not all use the same type of response curves when predicting future volume gains. As a result, some believe that continuously increasing the intensity of management will increase landowner profits and reduce the unit... -
Gendered socioeconomic conditions and HIV risk behaviours among young people in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Kelly HallmanRecent evidence suggests that the burden of new HIV infections in sub-Saharan Africa is concentrated among young people, especially females. Even in a country such as South Africa where knowledge among young people of how to protect oneself from infection... -
AIDS, individual behaviour and the unexplained remaining variation
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Alison Katz --- , SwitzerlandFrom the start of the AIDS pandemic, individual behaviour has been put forward, implicitly or explicitly, as the main explanatory concept for understanding the epidemiology of HIV infection and in particular for the rapid spread and high prevalence in sub-Saharan... -
Cultural obstacles to the rollout of antiretrovirals: an exploratorycross-country analysis
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Nicoli Nattrass --- , South AfricaThis article begins with an econometric analysis of potential socioeconomic determinants of highly active antiretroviral treatment (HAART) coverage. It shows that ‘cultural’ factors such as language diversity pose challenges to HAART coverage, but that the most important drivers of HAART... -
Human-resources strategies for managing HIV/AIDS: the case of the South African forestry industry
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Jeff Gow --- , Australia Bligh Grant --- , AustraliaPrevious work has focused on HIV prevalence among forestry workers and the impact of HIV/AIDS on the sustainability of forest resources. Following a review of work examining the impacts of HIV/AIDS on the South African economy, this article presents original... -
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... -
Assessment of the Linefishery in Two Urban Estuarine Systems In Kwazulu-natal, South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: P. Pradervand L. E. Beckley B. Q. Mann P. V. RadebeThe recreational linefisheries in Durban Harbour and the Mgeni Estuary were surveyed using roving creel and access-point surveys during the period January–December 2000. In total, 3 351 shore-anglers and 652 boat-anglers were checked for catch-and-effort information, and 432 shore-anglers were... -
Identifying management preferences, institutional organisational rules, and their capacity to improve fisheries management in Pemba, Mozambique
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TR McClanahan --- , USA JE Cinner --- ARC Centre of Excellence for Coral Reef Studies, Australia C Abunge --- , USAThe potential to improve the management of fisheries in Pemba, Mozambique, were explored by evaluating stakeholder's preferences for management and the key institutional design elements of the fisheries organisations or community councils of fisheries (CCPs). We interviewed fishers, community leaders... -
Innovative processes and products involving marine organisms in South Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: J J Bolton --- Department of Biological Sciences, South Africa M T Davies-Coleman --- Department of Chemistry, South Africa V E Coyne --- Department of Molecular and Cell Biology, South AfricaThe SEAChange programme, instituted in 2007 under the auspices of the South African Network for Coastal and Oceanic Research (SANCOR), included four interdependent research themes, one of which was Marine Biotechnology. Marine biotechnology is a discipline that involves both basic... -
Shallow waters: social science research in South Africa's marine environment
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: M Sowman --- Environmental Evaluation Unit, Department of Environmental & Geographical Science, South Africa D Scott --- School of Built Environment and Development Studies, Howard College Campus, South Africa L J F Green --- Department of Social Anthropology, South Africa M M Hara --- Institute for Poverty, Land and Agrarian Studies, South Africa M Hauck --- Environmental Evaluation Unit, Department of Environmental & Geographical Science, South Africa K Kirsten --- Department of Environmental and Geographical Science, South Africa B Paterson --- Marine Research Institute, South Africa S Raemaekers --- Environmental Evaluation Unit, Department of Environmental & Geographical Science, South Africa K Jones --- Environmental Evaluation Unit, Department of Environmental & Geographical Science, South Africa J Sunde --- Environmental Evaluation Unit, Department of Environmental & Geographical Science, South Africa J K Turpie --- Anchor Environmental, South AfricaThis paper provides an overview of social science research in the marine environment of South Africa for the period 1994–2012. A bibliography based on a review of relevant literature and social science projects funded under the SEAChange programme of the... -
Innovating the Green Way: Natural Considerations for Sustainable Consumption
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Sajal Kabiraj --- International Center for Organization & Innovation Studies (ICOIS), ChinaLearn everything you can, anytime you can, from anyone you can – there will always come a time when you will be grateful for what you did… Sarah Caldwell The five natural elements (Earth, Water, Fire, Air and Sky), the... -
Breeding strategies for forest trees: Concepts and challenges
Item type: Journal Article • Journal: The Southern African Forestry Journal • Authors: T White --- School of Forest Resources and Conservation, U.S.A.This paper describes some recent developments that affect the way forest geneticists think about breeding strategies for forest trees. The topics are grouped into several categories: (1) General Concepts; (2) Breeding Population Size; (3) Breeding Population Structure; (4) Management of... -
Forest management educational needs in South African forestry companies
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MG Jacobson C Ham PA AckermanSouth Africa is a world leader in the forest products industry and this industry contributes significantly to the country's economy. Challenges to the industry's future include land reform, water use, global competition, regulations, outsourcing and privatisation (the decreased role of... -
Forest and fibre genomics: biotechnology tools for applied tree improvement
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: A Myburg J Bradfield E Cowley N Creux M de Castro T-L Hatherell M Mphahlele M O'Neill M Ranik L Solomon M Victor H Zhou G Galloway T Horsley N Jones T Stanger A Bayley N Edwards B JanseEucalyptus tree breeders and geneticists stand to benefit tremendously from a recently announced effort to produce the first complete genome sequence for a eucalypt tree by 2010. A milestone for eucalypt research, the project will facilitate the development of new... -
Perspectives on genome mapping and marker-assisted breeding of eucalypts
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: D GrattapagliaIn Eucalyptus and forest tree breeding in general, the generalised application of molecular markers for directional selection is still an unfulfilled promise. In highly heterogeneous eucalypts, while conventional quantitative trait loci (QTL) mapping has revealed useful markers that are currently... -
A quantification of discharge readiness after outpatient anaesthesia: patients' vs nurses' assesment
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: H Vaghadia --- Department of Anaesthesia, Vancouver Hospital and Health Sciences Centre, Canada K Cheung --- Department of Anaesthesia, Vancouver Hospital and Health Sciences Centre, Canada C Henderson --- Department of Anaesthesia, Vancouver Hospital and Health Sciences Centre, Canada A V G Stewart --- Department of Anaesthesia, Vancouver Hospital and Health Sciences Centre, Canada P H Lennox --- Department of Anaesthesia, Vancouver Hospital and Health Sciences Centre, CanadaObjectives: Criteria for discharge after outpatient surgery do not take into consideration the patients' assessment of discharge readiness. Our aim was to compare discharge readiness as determined by nurses with that determined by patients against the modified Aldrete score as... -
Anaesthetic genetics and genomics
Item type: Journal Article • Journal: Southern African Journal of Anaesthesia and Analgesia • Authors: E Welch --- ,Genetic variations have always been implicated in interindividual reactions to various pharmaceutical agents. Some common genetically determined anaesthetic conditions, such as malignant hyperthermia, “scoline apnoea”, “halothane hepatitis” and porphyria, are fairly well described, and the genetic differences in enzyme, receptor... -
The end of AIDS: Possibility or pipe dream? A tale of transitions
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Alan Whiteside --- Basillie School of International Affairs and Wilfrid Laurier University, Canada Michael Strauss --- Health Economics and HIV/AIDs Research Division (HEARD), South AfricaGlobally, in the last 20 years health has improved. In this generally optimistic setting HIV and AIDS accounts for the fastest growing burden of disease. The data show the bulk of this is experienced in Southern Africa. In this region,... -
The Human Economy Project: first steps
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: John Sharp --- The Human Economy Project, Faculty of Humanities, South Africa Theodore Powers --- The Human Economy Project, Faculty of Humanities, South Africa Vito Laterza --- The Human Economy Project, Faculty of Humanities, South AfricaThe Human Economy Project is interdisciplinary in scope, but relies extensively on anthropological research methods. These methods are an appropriate counter to the methods adopted in mainstream economics, which has been criticised for its isolation from ‘the ordinary business of... -
The Human Economy Project: first steps
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: John Sharp --- The Human Economy Project, Faculty of Humanities, South Africa Theodore Powers --- The Human Economy Project, Faculty of Humanities, South Africa Vito Laterza --- The Human Economy Project, Faculty of Humanities, South AfricaThe Human Economy Project is interdisciplinary in scope, but relies extensively on anthropological research methods. These methods are an appropriate counter to the methods adopted in mainstream economics, which has been criticised for its isolation from ‘the ordinary business of... -
Farmers’ choice of cattle marketing channels under transaction cost in rural South Africa: a multinomial logit model
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Jorine T Ndoro --- Agricultural Extension and Rural Resource Management Programme, South Africa Maxwell Mudhara --- African Centre for Food Security, South Africa Michael Chimonyo --- Department of Animal and Poultry Science, South AfricaThis study applied a transaction cost approach to the analysis of cattle marketing behaviour among smallholder farmers in communal land areas of KwaZulu-Natal, South Africa. The objective was to test the effects of information, negotiation, and monitoring costs on the... -
Operator work-related musculoskeletal disorders during forwarding operations in South Africa: an ergonomic assessment
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: Kudakwashe Phairah --- Department of Plant Production and Soil Science, Forest Science Postgraduate Programme, South Africa Michal Brink --- Department of Plant Production and Soil Science, Forest Science Postgraduate Programme, South Africa Paxie Chirwa --- Department of Plant Production and Soil Science, Forest Science Postgraduate Programme, South Africa Andrew Todd --- Department of Human Kinetics and Ergonomics, South AfricaForest machine operators are still experiencing work-related musculoskeletal disorders (WMSDs) despite extensive mechanisation and modernisation of harvesting systems. However, paucity of local ergonomics research and technology transfer problems may affect the use of mechanised systems in South Africa. Consequently, this... -
“Dying to be women”: explorations and implications of narrative parameters of female youth sexuality in Zimbabwe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Ngonidzashe Muwonwa --- Theatre Arts, ZimbabweThis article considers how socio-cultural ideologies and practices can act as social technologies that help produce specific sexual practices and identities in young women. It identifies young women's libidinal economics as one contributing factor responsible for prescriptive gender roles in... -
The potential of omics technologies as tools to understand the environmental factors influencing okra (Abelmoschus esculentus) growth and adaptation
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: Matsobane T Mathiba --- Department of Agriculture and Animal Health, South Africa Gangireddygari VS Reddy --- Department of Agriculture and Animal Health, South Africa Khayalethu Ntushelo --- Department of Agriculture and Animal Health, South Africa Sheku A Kanu --- Department of Agriculture and Animal Health, South AfricaLeading crops such as cotton, maize, rice and wheat were the first to be studied using omics technologies (genomics, transcriptomics, proteomics and metabolomics). Those crops that are considered less significant, such as okra (Abelmoschus esculentus (L.) Moench), are yet to... -
An Economic Assessment of Woodlots for Smallholder Farms in the Coast Region of Kenya
Item type: Journal Article • Journal: East African Agricultural and Forestry Journal • Authors: Linus Wekesa --- Coast Eco-region Research Programme, Kenya Sylivia Mwalewa --- Coast Eco-region Research Programme, Kenya Kevin Muema --- Coast Eco-region Research Programme, Kenya Joseph Muthini --- Coast Eco-region Research Programme, Kenya Phedister Riziki --- Coast Eco-region Research Programme, Kenya Peter Mukirae --- Coast Eco-region Research Programme, Kenya Carolyne Menya --- Coast Eco-region Research Programme, KenyaLittle is known about economic viability of woodlots being integrated in smallholder production systems in the Coast Region of Kenya. The current study was therefore conducted as a cross-sectional survey covering a sample size of 282 smallholder farmers in the... -
Football and forlorn hope: an ethnographic comic concerning the Grahamstown Soccer Association from 1975 to 1985
Item type: Journal Article • Journal: Anthropology Southern Africa • Authors: Shawn Forde --- School of Kinesiology, CanadaThis ethnographic comic presents research that was conducted in Makhanda (previously Grahamstown) in the Eastern Cape of South Africa. The comic only tells a partial story, based on ethnographic and historical research, relating to soccer, nostalgia, hope and violence. It... -
Fungal genomes enhance our understanding of the pathogens affecting trees cultivated in Southern Hemisphere plantations
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: MPA Coetzee --- , South Africa QC Santana --- , South Africa ET Steenkamp --- , South Africa BD Wingfield --- , South Africa MJ Wingfield --- , South AfricaForest pathogens are a major cause of forest disturbances and they have a significant economic impact on commercial forestry. Genomics is an important technology now available for studies concerning tree health, enabling researchers to better understand pathosystems and potentially to... -
Linking anthropological analysis and epidemiological evidence: Formulating a narrative of HIV transmission in Acholiland of northern Uganda
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Michael Westerhaus --- Global Health Equity track, Brigham and Women's Hospital, USAFor twenty years, a region of northern Uganda known as Acholiland has been heavily affected by war, leading to the formation of internally displaced people's camps, rape, transactional sex and child abductions. While it is clear that the war has... -
The road towards effective governance and management of marine protected areas in South Africa: evolving policies, paradigms and processes
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: SP Kirkman --- , South Africa P Kowalski --- , South Africa BQ Mann --- Oceanographic Research Institute (ORI), South Africa GM Branch --- University of Cape Town, South Africa MG van der Bank --- South African National Biodiversity Institute (SANBI), South Africa KJ Sink --- Institute for Coastal and Marine Research, Nelson Mandela University, South Africa P Fielding --- , South Africa JB Mann-Lang --- Oceanographic Research Institute (ORI), South Africa MC Pfaff --- University of Cape Town, South Africa D Kotsedi --- , South Africa R Adams --- , South Africa S Dlulisa --- , South Africa SL Petersen --- , MadagascarThe efficacy of marine protected areas (MPAs) depends on their governance and management. We review their history in South Africa and recognise four periods. Period 1 (1964–1994) provided initial protection but was based on exclusionary, preservationist policies, was ad hoc... -
Changes in protein expression in Acacia mearnsii De Wild (black wattle) as a result of exposure to frost-inducing temperatures
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: M Jugmohan --- School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, South Africa J Moreno Chan --- Institute for Commercial Forestry Research, South Africa C Morris --- Agricultural Research Council–Animal Production, c/o University of KwaZulu-Natal, South Africa MW Bairu --- Agricultural Research Council–Vegetable, Industrial and Medicinal Plants, South Africa R Burgdorf --- Institute for Commercial Forestry Research, South Africa MD Laing --- School of Agricultural, Earth and Environmental Sciences, University of KwaZulu-Natal, South AfricaAcacia mearnsii De Wild (black wattle) is one of the most important forestry crops in South Africa. The bark of this species contains high-quality tannins, while its wood is used for wood chips, charcoal and mining timber. One of the...
