Articles by Author: J F Jooste

Search results for J F Jooste

We found 29 results for you
  1. Yield Regulation in the Knysna Forests

    Item type: Journal Article • Journal: South African Forestry Journal
    A yield regulation system for the indigenous forest of the Southern Cape is described. With the system an attempt is made to approach optimum sustainable yield levels, subject to conservation principles. Complexities of forest dynamics and growing stock sampling constraints...
  2. Game farming as a supplementary farming activity in the karoo

    Game farming as a supplementary farming activity in the karoo

    The present status of game farming in the various geographical regions of the Cape Province indicates that the springbuck (Antidorcas marsupialis) is the most important species. Evidence to illustrate the potential future growth of this industry is also presented.
  3. THE INTERRELATIONSHIPS BETWEEN THE BIOLOGICAL AND PHYSICO-CHEMICAL PARAMETERS IN THE WATER PHASE OF SESHEGO DAM, NORTHERN TRANSVAAL

    THE INTERRELATIONSHIPS BETWEEN THE BIOLOGICAL AND PHYSICO-CHEMICAL PARAMETERS IN THE WATER PHASE OF SESHEGO DAM, NORTHERN TRANSVAAL

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa
    Seshego Dam, Lebowa, was investigated over a period of 15 months (1974 – 1975). The interrelationships between biological parameters such as Biological Growth Potential (BGP), anaerobic fecal and coliform bacteria, Cladocera and Copepoda were established by means of factor and...
  4. Alcohol Use in Three Different Inner Cities in South Africa: AUDIT-C and CAGE

    Alcohol Use in Three Different Inner Cities in South Africa: AUDIT-C and CAGE

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    The aim of the present study was to describe the frequency of risky drinking among a general urban population survey (n=1379) in South Africa with the help of (Alcohol Use Disorders Identification Test) AUDIT-C scores, CAGE (Cut down, Annoyed, Guilty,...
  5. Aftermath of simultaneous toxic spills in the Klein Nyl River, Northern Province, South Africa

    Aftermath of simultaneous toxic spills in the Klein Nyl River, Northern Province, South Africa

    Item type: Journal Article • Journal: African Journal of Aquatic Science
    In late August 1998, a mechanical malfunction at the Nylstroom Sewage Treatment Works resulted in a massive quantity of untreated sewage flowing into the Klein Nyl River. Simultaneously, 5km upstream, a poly-aromatic hydrocarbon poison was simultaneously leaked into the same...
  6. A preliminary quantitative assessment of gillnet fishing in subtropical Lake Tzaneen, Northern Province, South Africa

    A preliminary quantitative assessment of gillnet fishing in subtropical Lake Tzaneen, Northern Province, South Africa

    Item type: Journal Article • Journal: African Journal of Aquatic Science
    Between January 1998 and January 1999 a quantitative investigation was done on the fish populations of Lake Tzaneen, Northern Province, South Africa. Two graded series of multi-filament gillnets were set overnight every six weeks capturing 14 species of fish. Of...
  7. A comparative assessment of the health status of feral populations of <em>Clarias gariepinus</em> from three dams in the Limpopo and Olifants river systems, Limpopo province, South Africa, using the fish health assessment index protocol

    A comparative assessment of the health status of feral populations of <em>Clarias gariepinus</em> from three dams in the Limpopo and Olifants river systems, Limpopo province, South Africa, using the fish health assessment index protocol

    Item type: Journal Article • Journal: African Journal of Aquatic Science
    An evaluation of the health status of feral populations of the freshwater catfish Clarias gariepinus was carried out between 2009 and 2010 at three dams in the Limpopo and Olifants river systems with varying levels of human impact. Fish health...
  8. End-user centeredness in antiretroviral therapy services in Nigerian public health facilities

    End-user centeredness in antiretroviral therapy services in Nigerian public health facilities

    Item type: Journal Article • Journal: South African Family Practice
    Objective: To describe the perception of end users with regard to end-user centeredness in antiretroviral therapy (ART) service provision in Nigerian public health facilities.
  9. Insider dealing in South Africa – the civil aspects

    Insider dealing in South Africa – the civil aspects

    Item type: Journal Article • Journal: De Ratione
    What are the civil consequence of insider dealing? is civil action a reality? This article examines these issues in the light of recent legislative amendments and attempts to show that, in most instances, neither the common law nor the new...