Articles by Keyword: Introduction

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  1. FIRST RECORD OF <em>OREOCHROMIS MACROCHIR</em> (BOULENGER, 1912) (PISCES:CICHLIDAE) FROM THE LIMPOPO RIVER IN SOUTHERN AFRICA.

    FIRST RECORD OF <em>OREOCHROMIS MACROCHIR</em> (BOULENGER, 1912) (PISCES:CICHLIDAE) FROM THE LIMPOPO RIVER IN SOUTHERN AFRICA.

    Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences
    During 1973/74, Barbus poechii, Oreochromis macrochir, O. andersonii, Serranochromis angusticeps, S. codringtonii, S. robustus and S. thumbergi from the Okavango System were introduced into the Shashe Dam (Limpopo System, Botswana). These species are alien to the Limpopo System. A fish...
  2. Guidance and Counseling Services in South African Schools: Issues and Challenges

    Guidance and Counseling Services in South African Schools: Issues and Challenges

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    This study seeks to determine if guidance and counseling: (a) lessons are provided to students; (b) services provided are adequate; (c) students are aware of guidance and counseling services provided; and (d) difficulties that counselors face in implementing the programme...
  3. Historical cyst record as evidence for the recent introduction of the dinoflagellate <em>Gymnodinium catenatum</em> in the north-eastern Atlantic

    Historical cyst record as evidence for the recent introduction of the dinoflagellate <em>Gymnodinium catenatum</em> in the north-eastern Atlantic

    Item type: Journal Article • Journal: African Journal of Marine Science
    The geographical origin of the warm-temperate paralytic shellfish poison producer Gymnodinium catenatum Graham is still under debate. It was first reported in the north-eastern Atlantic in 1976, from the Galician rías (North-West Iberia). Since then, and until 1995, recurrent blooms...
  4. Invasive Australian crayfish <em>Cherax quadricarinatus</em> in the Sanyati Basin of Lake Kariba: a preliminary survey

    Invasive Australian crayfish <em>Cherax quadricarinatus</em> in the Sanyati Basin of Lake Kariba: a preliminary survey

    Item type: Journal Article • Journal: African Journal of Aquatic Science
    The invasion of Cherax quadricarinatus, the Australian redclaw crayfish, in the Sanyati Basin of Lake Kariba, Zimbabwe, is reported. A total of 79 crayfish were caught at 10 out of 12 sampling sites in the Sanyati Basin in November–December 2012...
  5. Origin and putative colonization routes for invasive rodent taxa in the Democratic Republic of Congo

    Origin and putative colonization routes for invasive rodent taxa in the Democratic Republic of Congo

    Item type: Journal Article • Journal: African Zoology
    The threat posed by biological invasions is well established. An important consideration in preventing the spread of invasives and also subsequent introductions lies in understanding introduction pathways. The Democratic Republic of the Congo (DRC) houses a large percentage of the...