Articles by Keyword: Zimbabwe

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  1. A COMPARISON OF DIFFERENT METHODS OF AGE DETERMINATION IN THE SHARPTOOTH CATFISH <em>CLARIAS GARIEPINUS</em>

    A COMPARISON OF DIFFERENT METHODS OF AGE DETERMINATION IN THE SHARPTOOTH CATFISH <em>CLARIAS GARIEPINUS</em>

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa
    Growth of the sharptooth catfish Clarias gariepinus from four southern African impoundments was estimated by back-calculating age from vertebrae and spines. Length frequency analysis supported the growth estimates derived from vertebrae but not those from spines.- Spines under-estimated the age...
  2. PRODUCTION OF THE AFRICAN CATFISH <em>(CLARIAS GARIEPINUS)</em> II. POPULATION PRODUCTION AS ESTIMATED FROM SURPLUS PRODUCTION MODELS FOR LAKE MCILWAINE, ZIMBABWE

    PRODUCTION OF THE AFRICAN CATFISH <em>(CLARIAS GARIEPINUS)</em> II. POPULATION PRODUCTION AS ESTIMATED FROM SURPLUS PRODUCTION MODELS FOR LAKE MCILWAINE, ZIMBABWE

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa
    The population production of Clarias gariepinus was studied by Schaefer type surplus production models. The maximum sustainable yield of African catfish in Lake McIlwaine, Zimbabwe was found to be in the range of 33 000 to 41 000 kg (13,46...
  3. BEHAVIOUR OF A RADIO-TAGGED <em>TILAPIA RENDALLI</em> BOULENGER IN LAKE NGEZI, ZIMBABWE

    BEHAVIOUR OF A RADIO-TAGGED <em>TILAPIA RENDALLI</em> BOULENGER IN LAKE NGEZI, ZIMBABWE

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa
    The behaviour of a single specimen of Tilapia rendalli Boulenger was observed June through October 1986 in Lake Ngezi, Zimbabwe, by the use of a surgically-implanted radiotransmitter. The individual displayed a distinct homing response on two occasions, returning to the...
  4. THE BARRED MINNOWS (TELEOSTEI: CYPRINIDAE) OF ZIMBABWE: IS THERE CAUSE FOR CONCERN?

    THE BARRED MINNOWS (TELEOSTEI: CYPRINIDAE) OF ZIMBABWE: IS THERE CAUSE FOR CONCERN?

    Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences
    Two species of barred minnow, Opsaridium zambezense and O. peringueyi, occur in Zimbabwe. The former is widely distributed in the Zambezi basin and some other rivers but is now absent from Lake Kariba and possibly some of its tributaries. The...
  5. Kraft Pulping Properties of <em>Acacia mearnsii</em> and <em>Eucalyptus grandis</em> Grown in Zimbabwe

    Kraft Pulping Properties of <em>Acacia mearnsii</em> and <em>Eucalyptus grandis</em> Grown in Zimbabwe

    Item type: Journal Article • Journal: The Southern African Forestry Journal
    Pulpwood samples from 8-year old Acacia mearnsii and Eucalyptus grandis plantations grown in Zimbabwe were evaluated for kraft pulping, bleaching and papermaking properties. The possibility of co-pulping the two species was also investigated.
  6. Perceptions of Child Abuse by Teacher Trainees in Zimbabwean Schools

    Perceptions of Child Abuse by Teacher Trainees in Zimbabwean Schools

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    This study is a part of a larger study that examined the epidemiology and aetiology of child abuse by teachers in Zimbabwean primary schools. The purpose of the study was to determine teacher trainees' conception of sexual abuse of pupils...
  7. Students' Self-Concept and Academic Achievement in Zimbabwe: A Preliminary Study

    Students' Self-Concept and Academic Achievement in Zimbabwe: A Preliminary Study

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    Students' personal beliefs about their capabilities to learn influence their motivation and learning. This study determined the relationship between self-concept and academic achievement of Zimbabwean primary school students. A qualitative approach was used to collect data from 75 pupils (36...
  8. Pupils' Perceptions of Sexual Abuse by Teachers in Zimbabwe

    Pupils' Perceptions of Sexual Abuse by Teachers in Zimbabwe

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    Most studies available on sexual abuse of pupils in schools have examined the epidemiology of the phenomenon by teachers but have not looked at what the pupils themselves say about why some teachers sexually abuse them. This study sought to...
  9. Childhood Sexual Abuse Experiences of Female Student Teachers in Zimbabwe

    Childhood Sexual Abuse Experiences of Female Student Teachers in Zimbabwe

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    The study investigated childhood sexual abuse (CSA) experiences of female student teachers in Zimbabwe. A convenience sample of 112 female respondents (mean age = 27.4 years) responded to a retrospective questionnaire which assessed childhood sexual experiences. Data were analysed descriptively...
  10. Reasons and Justifications Used by Child Abuse Perpetrators in Zimbabwean Schools

    Reasons and Justifications Used by Child Abuse Perpetrators in Zimbabwean Schools

    Item type: Journal Article • Journal: Journal of Psychology in Africa
    This study sought to determine reasons and justifications used by child abuse perpetrators as viewed by education officers who handle and process cases of child abuse by teachers in Zimbabwe. Six education officers were interviewed. They were purposefully selected for...