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Showing results 162221 to 162230 of 162334

  1. Environmental factors influencing learner absenteeism in six schools in the Kavango Region, Namibia
    Sanzila, Keith Mumba, 2012
    This study on learner absenteeism takes place in the Namibian context with a focus on the Kavango region, located in Northern Namibia, where absenteeism has been identified as a problem. The intention of the study is to find out the relationship between learner absenteeism and environmental factor ...
  2. Studies of the biology and ecology of the high shore South African limpet, Helcion pectunculus (Mollusca : patellogastropoda)
    Gray, David Richard, 1997
    Investigations were carried out into aspects of the bio!ogy and ecology of Helcion pectunculus along the coait of South Africa. These included studies of the distribution, density and biomass of the limpet at six sites along the east coast plus one site on the west coast; the growth of H pectunculus ...
  3. An investigation of community learning through participation in integrated water resource management practices
    Phiri, Charles M., 2012
    South Africa is a semi arid country in which the average rainfall of 450mm/year is well below the world average of about 860mm/year. As a result, South Africa’s water resources are scarce in global terms and limited in extent. Current predictions are that demand will outstrip water availability in t ...
  4. Exploitation of the bait organism Upogebia africana (Crustacea: Anomura) in the Knysna estuary
    Cretchley, Robin, 1997
    In South African estuaries the anomuran mud prawn, Upogebia africana (Ortmann), is the main organism exploited as bait by recreational and subsistence anglers. In the Knysna estuary, three groups of bait collectors were identified on the basis of their source of income: subsistence fishermen who re ...
  5. An investigation into the extent and nature of the understanding first year college of education students have of aspects of arithematic and elementary number theory
    Oliphant, Vincent George, 1996
    First Year College of Education students who have done and/or passed mathematics at matric level, often lack adequate understanding of basic mathematical concepts and principles. This is due to the fact that formal tests and examinations often fail to assess understanding at anything but a basic ...
  6. Cytogenetic studies of Pseudobarbus and selected Barbus (Pisces : Cyprinidae) of southern Africa
    Naran, Daksha, 1997
    The aim of this study was to explore the karyology of temperate southern African barbine species in order to determine the extent and significance of polyploidy within the species. The study presents an optimised in vivo karyological protocol for the small barbines. The analysis of chromosomal da ...
  7. Negotiating a comprehensive long-term relationship between South Africa and the European Union: from free trade to trade and development
    Cross, Peter John, 1997
    On lO May 1994 the European Union offeredSouth Africa a package of measures to ... send a strong political signal to the incoming govemment and to the South African population, thus proving its firm determination to support the transition towards democracy and its willingness to contribute to the re ...
  8. An investigation into the visual literacy skills of Black primary-school children from an informal settlement in Cape Town, with particular reference to visual imagery in educational textbooks
    Griffiths, Corona Gracelyn, 1997
    This thesis provides evidence that learning difficulties some. black primary-schoolchildren may experience with certain textbooks, can be attributed, in part, to the visual text (imagery). These difficulties were established by eliciting responses from educationally dlscfdvantaged urban black primar ...
  9. The taxonomy and life-history of Argyrosomus japonicus and A. inodorus, two important sciaenids off the South African coast
    Griffiths, Marc Hastings, 1995
    A study of the biology, anatomy and taxonomy of the sciaenid fishes of the genus Argyrosomus from South Africa and Namibia revealed that three species were confused under the name "Argyrosomus Izololepidotus (Lacepede 1801)". Comparison of morphometric and meristic data, otoliths, swim-bladders, dru ...
  10. Chemical studies of necic acid analogues
    Guthrie-Strachan, Jeffry James, 1997
    Various aldehydes have been reacted with methyl acrylate under Baylis-Hillman conditions, using DABCO as a catalyst, to afford a range of a-substituted acrylic esters containing an allylic hydroxy group. Selected Baylis-Hillman products have been brominated, hydrolysed and acetylated to afford subst ...