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Implikasies van subhabitat‐diversiteit en die rol van bestuur op die voorkoms van ‘n aantal grasspesies van die suuragtige‐gemengde bosveld1
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: G.N. Smit --- Departement Plantproduksie, N.F.G. Rethman --- Departement Plantproduksie,Die subhabitatvoorkeure van sewe grasspesies en die nie‐grasagtige kruide, tipies van die Suuragtige‐Gemengde Bosveld, is in agt kampe, wat verskillende langtermyn‐beweidingsbehandelings ontvang het, ondersoek. Twee subhabitatte is geidenti‐fiseer, nl. onder borne en tussen bome. Verskille in die subhabitatvoorkeure van die... -
Quantitative description of woody plant communities: Part I. An approach
Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa • Authors: G.N. Smit --- Department of Agriculture and Water Supply (Transvaal Region), Republic of South AfricaVarious descriptive units for woody plant communities are proposed. These are the Evapotranspiration Tree Equivalent (ETTE), Browse Tree Equivalent (BTE) and Canopied Subhabitat Index (CSI), which describe the status of a woody community in terms of potential moisture use, value... -
PRELIMINARY OBSERVATIONS ON THE MACROCRUSTACEA OF COASTAL LAKES IN THE VICINITY OF RICHARDS BAY, ZULULAND, SOUTH AFRICA
Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences • Authors: P.E. Reavell --- Department of Botany, South Africa D.P. Cyrus --- Coastal Research Unit of Zululand, Department of Zoology, South AfricaA limited amount of research has been carried out on the four coastal lakes in the Richards Bay area. Due to the impending threat of water pollution from industrial, mining and residential areas within the catchments of these lakes there... -
Influence of leguminous and non‐leguminous woody plants on the herbaceous layer and soil under varying competition regimes in mixed Bushveld1
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: G.N Smit --- Department of Agriculture, Republic of South Africa J.S. Swart --- Department of Agriculture, Republic of South AfricaFive plots on sandy soil were thinned to differing tree densities. Three subhabitats were distinguished, viz. under leguminous trees, under non‐leguminous trees, and between tree canopies. Soil under both leguminous and non‐leguminous trees was richer in nutrients (% total N,... -
The icthyofauna of the Mhlathuze coastal lakes: some preliminary results
Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: SP Weerts DP CyrusThe fish faunas of the four Mhlathuze coastal lakes and the lower river comprise a diverse assortment of over fifty marine, estuarine and freshwater species. Three freshwater species are endemic to KwaZulu-Natal and nine estuarine species are endemic to southern... -
The sociality of nesting in Rüppell's Weaver Ploceus galbula and the Lesser Masked Weaver Ploceus intermedius in an Ethiopian acacia woodland
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: David C Lahti --- Department of Biology, Queens College, USARüppell's Weaver Ploceus galbula and the Lesser Masked Weaver Ploceus intermedius nest prominently in the Awash National Park, Ethiopia. In both species the sociality or degree of aggregation of their nesting is varied. Rüppell's Weaver can nest singly or in... -
Distribution and seasonality of cetaceans in tropical waters between Angola and the Gulf of Guinea
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: CR Weir --- , UKThe species richness, spatial distribution, seasonality and interspecific associations of cetaceans in tropical oceanic waters between the Gulf of Guinea and Angola were examined using 5 905.3 h of dedicated survey effort collected from 13 platforms of opportunity (geophysical vessels)... -
Seasonal fluctuations in occurrence of inshore Bryde's whales in Plettenberg Bay, South Africa, with notes on feeding and multispecies associations
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GS Penry --- , UK VG Cockcroft --- Department of Zoology, Nelson Mandela Metropolitan University, South Africa PS Hammond --- , UKSeasonal fluctuations in the occurrence of inshore South African Bryde's whales Balaenoptera edeni were investigated between November 2005 and June 2008. Sighting data were collected in Plettenberg Bay on the south-east coast of South Africa. Bryde's whale occurrence was modelled... -
Traditional healers, HIV/AIDS and company programmes in South Africa
Item type: Journal Article • Journal: African Journal of AIDS Research • Authors: David DickinsonThis paper explores the organisational structures of traditional healers, outlines their explanations of HIV/AIDS, and discusses how they can be integrated with company programmes. The South African Traditional Health Practitioners Act seeks to register, regulate and promote traditional healers, but... -
Associations between family suicide and personal suicidal behaviour among youth in KwaZulu-Natal, South Africa
Item type: Journal Article • Journal: South African Family Practice • Authors: NBM Vawda --- Department of Behavioural Medicine,Background: For every suicide, a minimum of six people are affected. Given the increasing number of suicide deaths in South Africa, the associations between the suicide of a family member and personal suicidal behaviour were explored in grade 8 students. -
Using an unbaited stationary video system to investigate the behaviour and interactions of bull sharks Carcharhinus leucas under an aquaculture farm
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: N Loiseau --- Institut de Recherche pour le Développement [IRD], UMR ENTROPIE (IRD, Universite de La Réunion, CNRS), Laboratoire d'Excellence [LABEX] CORAIL, France JJ Kiszka --- Marine Sciences Program, Department of Biological Sciences, USA T Bouveroux --- Coastal and Marine Research Institute, Nelson Mandela Metropolitan University, South Africa MR Heithaus --- Marine Sciences Program, Department of Biological Sciences, USA M Soria --- IRD – UMR EME, France P Chabanet --- Institut de Recherche pour le Développement [IRD], UMR ENTROPIE (IRD, Universite de La Réunion, CNRS), Laboratoire d'Excellence [LABEX] CORAIL, FranceBull sharks Carcharhinus leucas are common along the coast of Reunion Island (South-West Indian Ocean) and were suspected to aggregate in the vicinity of an aquaculture farm in Saint-Paul Bay on the west coast. In order to understand the behaviour... -
Habitat associations of birds at Mara Naboisho Conservancy, Kenya
Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Ara Monadjem --- All Out Africa Research Unit, Department of Biological Sciences, Swaziland Munir Z Virani --- The Peregrine Fund, KenyaHabitat associations of birds were quantified through fixed-radius timed bird counts at Mara Naboisho Conservancy within the Greater Mara Region, Kenya. We conducted 73 timed counts in four distinct habitats (riparian, woodland, rocky outcrop and plains) in both dry and... -
Contribution of forest floor fractions to carbon storage and abundance patterns of arbuscular mycorrhizal fungal colonisation in a tropical montane forest
Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science • Authors: V Jeyanny --- Forest Plantation Programme, Malaysia MH Ahmad Husni --- Faculty of Agriculture, Malaysia B Siva Kumar --- Faculty of Agriculture, Malaysia K Wan Rasidah --- Forest Plantation Programme, Malaysia WC Suhaimi --- Forest Plantation Programme, MalaysiaForest floor carbon stocks, which include different components of litter, hemic and sapric materials, have not been empirically quantified in tropical montane forest, although they influence soil carbon (C) pools. To date, the contribution of arbuscular mycorrhizae in C sequestration... -
Patterns of juvenile reef-fish recruitment in Kenya’s shallow fringing- lagoon reefs
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: GM Okemwa --- Kenya Marine and Fisheries Research Institute, Kenya B Kaunda-Arara --- Department of Fisheries and Aquatic Sciences, Kenya EN Kimani --- Kenya Marine and Fisheries Research Institute, KenyaStudies to understand local-scale patterns in the recruitment of juvenile coral-reef fishes within the western Indian Ocean (WIO) region are few, yet such knowledge is important in fisheries management. Underwater visual census surveys were conducted at five shallow fringing-lagoon reef... -
Strengthening intermediaries in the National System of Innovation (NSI): Case of the South African Council for Natural Scientific Professions
Item type: Journal Article • Journal: African Journal of Science, Technology, Innovation and Development • Authors: Bongiwe Mncwango --- , South Africa Samuel Fongwa --- , South AfricaThis paper uses the National System of Innovation (NSI) framework to interrogate the role of professional organizations as intermediaries within the South African NSI. Using the case of the South African Council for Natural Scientific Professions (SACNASP), we explore the... -
Primate diversity and species’ distributions in Maze National Park, southern Ethiopia
Item type: Journal Article • Journal: African Zoology • Authors: Muluneh Dansa --- , Ethiopia Wondimagegnehu Tekalign --- , EthiopiaInformation on animal diversity and distribution is essential for designing management plans for conservation. This study aimed to investigate primate diversity and species’ distributions in the Maze National Park, southern Ethiopia. The study was conducted during the dry season (January–March)... -
Crested Guineafowl and samango monkey associations
Item type: Journal Article • Journal: African Zoology • Authors: Jacco J Leemans --- , The Netherlands Birthe Linden --- , South Africa Frank van Langevelde --- , The NetherlandsAssociations between animals of different species have been observed for a large variety of taxa. These polyspecific groups are thought to provide advantages to at least one of the species involved, especially foraging benefits or reduced predation risk. In the...