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The Blackwood Group System: its relevance for sustainable forest management in the southern Cape
Item type: Journal Article • Journal: South African Forestry Journal • Authors: CoertJ. Geldenhuys --- Division of Water, Environment and Forestry Technology, Southern AfricaThe invasion status of Australian blackwood, Acacia melanoxylon, is assessed against its value as a commercial tree in the southern Cape forests. The species was introduced from Australian rain forests and planted extensively in the southern Cape forests since 1909... -
The dynamics of Themeda Triandra tillers in relation to burning in the natal Drakensberg
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: C.S. Everson --- Department of Environment Affairs, TheresaM. Everson --- Department of Environment Affairs, N.M. Tainton --- Department of Grassland Science,Marked tillers of Themeda triandra were sampled regularly over a two year period in Highland Sourveld burnt annually in winter, biennially in spring and after a single summer and early winter burning treatment. Parameters recorded were height of shoot apex,... -
Rates of wood and dung disintegration in arid South African rangelands
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: S.J. Milton --- FitzPatrick Institute, Republic of Soutli Africa W.R.J. Dean --- FitzPatrick Institute, Republic of Soutli AfricaDead shrubs lying on the soil surface in an arid shrubland in the southern Karoo have half‐lives of 9 to 18 years depending on wood density which varies among species. Dung pellets of sheep and springbok can remain intact on... -
Themeda triandra: a keystone grass species
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: Hennie A Snyman --- Animal, Wildlife and Grassland Sciences, South Africa Lachlan J Ingram --- Plant Breeding Institute, Faculty of Agriculture and Environment, Australia Kevin P Kirkman --- Grassland Science, South AfricaThemeda triandra is a perennial tussock grass endemic to Africa, Australia and Asia. Within these regions it is found across a broad range of climates, geological substrates and ecosystems. Because it is widespread across these areas it has great economic... -
Key determinants of AIDS impact in Southern sub-Saharan Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Wayne Xavier ShanderaTo investigate why Southern sub-Saharan Africa is more severely impacted by HIV and AIDS than other parts of sub-Saharan Africa, I conducted a review of the literature that assessed viral, host and transmission (societal) factors. This narrative review evaluates: 1)... -
Why HIV/AIDS should be treated as exceptional: arguments from sub-Saharan Africa and Eastern Europe
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Julia Smith --- , United Kingdom Khaled Ahmed --- , South Africa Alan Whiteside --- , South AfricaThe idea that HIV and AIDS gets too much attention and funding emerged in 2008 with a call to end 'AIDS exceptionalism.' This article outlines a short history of AIDS exceptionalism — the idea that HIV and AIDS require a... -
Fire and Senescent Fynbos in the Swartberg, Southern Cape
Item type: Journal Article • Journal: South African Forestry Journal • Authors: W. Bond --- ,Some consequences of long intervals between fires were studied in fynbos of the Swartberg Mountains. Results showed that foliage projective cover was less patchy and mostly denser in mature than in senescent regrowth. Proteaceae seedling regeneration was significantly reduced in... -
Long-term population effect of male circumcision in generalised HIV epidemics in sub-Saharan Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: Michel GarenneThis paper examines the complex relationship between male circumcision and HIV prevalence and incidence in sub-Saharan African countries that have generalised epidemics. In South Africa, the mean yearly HIV incidence and an estimate of the net reproduction rate of the... -
Estimation of the lion (Panthera leo) population in the southwestern Kgalagadi Transfrontier Park using a capture–recapture survey
Item type: Journal Article • Journal: African Zoology • Authors: J.G. Castley --- Conservation Services, South African National Parks, South Africa M.H. Knight --- Conservation Services, South African National Parks, South Africa M.G.L. Mills --- Conservation Services, South African National Parks, Endangered Wildlife Trust, and Mammal Research Institute, University of Pretoria, South Africa C. Thouless --- Department of Wildlife and National Parks, BotswanaA previous estimate of the lion (Panthera leo) population in the southwestern Kgalagadi Transfrontier Park (KTP) was made over 20 years ago. This together with increased fears regarding the viability of the population as a result of recent killings of... -
A Profile of the East African Community
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Frederick Onyango Ogola --- Strathmore University Business School, Kenya George N. Njenga --- Strathmore University Business School, Kenya Peter C. Mhando --- The Pennsylvania State University, USA Moses N. Kiggundu --- Carleton University Sprott School of Business, CanadaRegional integration in East Africa dates back more than a hundred years. This article provides a general synopsis of the East African Community (EAC) and traces the evolution of regional integration in Eastern Africa from colonial times to the present... -
Adverse social, nutrition and health conditions in rural districts of the KwaZulu-Natal and Eastern Cape provinces, South Africa
Item type: Journal Article • Journal: South African Journal of Clinical Nutrition • Authors: S. Schoeman --- Nutritional Intervention Research Unit, South Africa M. Faber --- Nutritional Intervention Research Unit, South Africa V. Adams --- Currently from Scifest, South Africa C. Smuts --- School for Physiology, Nutrition and Consumer Science, Potchefstroom N. Ford-Ngomane --- Health Systems Trust, South Africa J. Laubscher --- Biostatistics Unit, South Africa M. Dhansay --- Currently from Executive Research Directorate, South AfricaObjective: This study determined the socio-demographic, nutritional and health status of children and their caregivers in two rural districts in KwaZulu-Natal (KZN) and one rural district in the Eastern Cape (EC), South Africa. -
Survival estimates for the greater crested tern Thalasseus bergii in southern Africa
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: A Payo-Payo --- Group of Ecology and Animal Demography (GEDA), Spain A Sanz-Aguilar --- Group of Ecology and Animal Demography (GEDA), Spain D Gaglio --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa RB Sherley --- Environment and Sustainability Institute, University of Exeter, United Kingdom TR Cook --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South Africa R Altwegg --- Statistics in Ecology, Environment and Conservation, Department of Statistical Sciences, and African Climate and Development Initiative, South Africa PG Ryan --- Percy FitzPatrick Institute of African Ornithology, DST-NRF Centre of Excellence, South AfricaThe nominate race of the greater crested tern Thalasseus bergii breeds only along the coast of the Benguela region (west coast) of southern Africa, where its population is increasing, in contrast to other species of breeding seabirds in the region... -
Observations of Southern Ground-Hornbill Bucorvus leadbeateri groups in the Kafue National Park, Zambia
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Jonah Gula --- , United States Chaona G Phiri --- , United KingdomZambia represents a core part of the Southern Ground-Hornbill’s Bucorvus leadbeateri distribution, yet empirical information on the country’s population is scant. From February to September 2017, ground-hornbill sightings were recorded in Kafue National Park in western Zambia to describe population... -
Population ecology of Red-necked Spurfowl Pternistis afer in the coastal towns of the Eastern Cape province, South Africa
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Johann H van Niekerk --- , South AfricaConserved remnants of indigenous vegetation patches and corridors are regarded as important components of the built environment for the survival of birds. Field research was conducted at Boknes and Cannon Rocks in the Eastern Cape Province, South Africa to study... -
TB/HIV risk factors identified from a General Household Survey of South Africa in 2006
Item type: Journal Article • Journal: SAHARA-J: Journal of Social Aspects of HIV/AIDS • Authors: Sathiya Susuman Appunni --- , , South Africa Renette Blignaut --- , , South Africa Siaka Lougue --- , , South AfricaThe level of human immunodeficiency virus (HIV), tuberculosis (TB) as well as the co-infection TB/HIV in South Africa is among the highest in the world. TB is curable while HIV is not, yet the combination of both is a growing... -
Population trends of the Cape Parrot Poicephalus robustus in the Amatholes, Eastern Cape: trialling ground-based flock photography for demographic and health assessment
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Clare J Padfield --- , South Africa Kate F Carstens --- , South Africa Johann C Carstens --- , South Africa Francis R Brooke --- , South Africa Kirsten Wimberger --- , South AfricaGlobally, 60% of species in the order Psittaciformes are experiencing population declines. Understanding demographic and health trends in populations is vital for the prioritisation of limited conservation resources. The Cape Parrot Poicephalus robustus is a South African endemic forest species...
