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Perspectives on the principles and structure of the soil classification system in South Africa: discussion and practical examples
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: DavidP Turner --- , South AfricaThe paper discusses revised principles, perspectives and structure for soil classification of natural soils in South Africa. An expanded ‘sphere of pedological interest’ is proposed through the formal recognition of a wider range of subsurface soil materials. The concept of... -
A revised perspective on principles of soil classification in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: DavidP Turner --- Agricultural Research Council-Institute for Soil, Climate and Water, South AfricaLimited significance has been given to the formal recognition of certain subsoil materials in the South African Soil Classification System. Three principles in the current classification system are discussed using variants of soil profiles associated with the Avalon soil form... -
A QUARTER CENTURY OF GREAT LAKES RESEARCH IN AFRICA
Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa • Authors: DavidH. Eccles --- , United KingdomThe African Great Lakes differ from shallower large African lakes by undergoing seasonal stratification and from large reservoirs in having long residence times, so that the ionic concentration of the lake water differs substantially from that of the inflows. -
A critical look at health
Item type: Journal Article • Journal: South African Family Practice • Authors: P Naidoo --- Department of Psychology,When defining health, it is clear that good health is not simply a state in which there is an absence of disease. A progressive definition of health conceptualises health more holistically and views it as a state of complete physical,... -
Fiskale onderskeid tussen ’n wins van ’n kapitale aard en inkomste aard
Item type: Journal Article • Journal: De Ratione • Authors: Hendrik Coetzee --- Deeltydse professor by die Randse Afrikaanse Universiteit en verbonde aan die belastingpraktyk van KPMG, -
Lost in translation? Standardising the terminology used in marine invasion biology and updating South African alien species lists
Item type: Journal Article • Journal: African Journal of Marine Science • Authors: TB Robinson --- Centre for Invasion Biology, Department of Botany and Zoology, South Africa ME Alexander --- Centre for Invasion Biology, Department of Botany and Zoology, South Africa CA Simon --- Department of Botany and Zoology, South Africa CL Griffiths --- Centre for Invasion Biology, Department of Biological Sciences, South Africa K Peters --- Centre for Invasion Biology, Department of Botany and Zoology, South Africa S Sibanda --- Marine Programme, South Africa S Miza --- Marine Programme, South Africa B Groenewald --- Marine Programme, South Africa P Majiedt --- Marine Programme, South Africa KJ Sink --- Marine Programme, South AfricaConfusion between terms and ambiguities among definitions have long plagued the field of invasion biology. One result is disruption in flow of information from researchers to policy-makers and managers who rely on science to inform regulatory frameworks and management actions... -
Transfer of ownership for social venture entrepreneurs: A case study in northern Tanzania
Item type: Journal Article • Journal: Africa Journal of Management • Authors: Alexander Tetteh Kwasi Nuer --- , Ghana Gert van Dijk --- , The Netherlands Joost Jongerden --- , The Netherlands Miguel Rivera-Santos --- , USASocial Venture Entrepreneurs (SVEs) invest in supply chains with the aim to ignite businesses, but with a vision on how to transfer ownership to third parties. The present study explores the definitions and forms of ownership envisioned by local stakeholders...