Articles by Keyword: Key Populations

Search results for Key Populations

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  1. Pentachlorophenol-contaminated soil bioremediation: survival and efficacy of monoculture inoculants and enrichment of indigenous catabolic populations

    Pentachlorophenol-contaminated soil bioremediation: survival and efficacy of monoculture inoculants and enrichment of indigenous catabolic populations

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Survival and efficacy of monoculture inoculants of Flavobaderium sp. and Rhodococcus chlorophenolicus to bioremediate PCP-contaminated soil were examined under sterile and non-sterile conditions. Both species effected ≥ 40% catabolism in four weeks although inoculant survival was significantly higher with R...
  2. OBSERVATIONS ON THE THREE ALLOPATRIC POPULATIONS OF THE MALUTI MINNOW, <underline>OREODAIMON QUATHLAMBAE</underline> (BARNARD) WITH NOTES ON ITS EVOLUTION, ECOLOGY, SPAWNING, AND CONSERVATION

    OBSERVATIONS ON THE THREE ALLOPATRIC POPULATIONS OF THE MALUTI MINNOW, <underline>OREODAIMON QUATHLAMBAE</underline> (BARNARD) WITH NOTES ON ITS EVOLUTION, ECOLOGY, SPAWNING, AND CONSERVATION

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa
    Meristics and pigmentation of specimens of Oreodaimon quathlambae from the three known populations were compared to determine whether the species has experienced divergent evolution. Pigmentation was found to vary substantially but meristics counts did not. A proposal is made-to recognise...
  3. POST-IMPOUNDMENT TRENDS IN THE FISH POPULATIONS OF THE HENDRIK VERWOERD DAM, SOUTH AFRICA

    POST-IMPOUNDMENT TRENDS IN THE FISH POPULATIONS OF THE HENDRIK VERWOERD DAM, SOUTH AFRICA

    Item type: Journal Article • Journal: Journal of the Limnological Society of Southern Africa
    Fish population changes in the Hendrik Verwoerd Dam are presented as sampled with a series of multifilament gill nets from Spring 1971 to Summer 1977. During this period, species such as Barbus halubi (smallmouth yellowfish), B. kimberleyensis (largemouth yellowfish), Labeo...
  4. NEW DISTRIBUTION RECORDS FOR <em>CLARIAS THEODORAE</em> WEBER 1897, <em>BARBUS EUTAENIA</em> BOULENGER 1904, <em>BARBUS POLYLEPIS</em> BOULENGER 1907 AND <em>OPSARIDIUM ZAMBEZENSE</em> (PETERS 1852) FROM THE WATERBERG, TRANSVAAL, SOUTH AFRICA.

    NEW DISTRIBUTION RECORDS FOR <em>CLARIAS THEODORAE</em> WEBER 1897, <em>BARBUS EUTAENIA</em> BOULENGER 1904, <em>BARBUS POLYLEPIS</em> BOULENGER 1907 AND <em>OPSARIDIUM ZAMBEZENSE</em> (PETERS 1852) FROM THE WATERBERG, TRANSVAAL, SOUTH AFRICA.

    Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences
    New distribution records for four fish species in the Waterberg mountains of the Transvaal were established during surveys since 1987–92. Clarias theodorae was previously reported from one locality each in the Waterberg and Soutpansberg. The current survey disclosed its presence...
  5. PRELIMINARY OBSERVATIONS ON THE FISH POPULATIONS OF THE RECENTLY-IMPOUNDED KATSE RESERVOIR, LESOTHO

    PRELIMINARY OBSERVATIONS ON THE FISH POPULATIONS OF THE RECENTLY-IMPOUNDED KATSE RESERVOIR, LESOTHO

    Item type: Journal Article • Journal: Southern African Journal of Aquatic Sciences
    Katse is a new 35 km long impoundment on the Malibamatso River, a highland tributary of the Orange River in Lesotho. Two fishing surveys in 1996 yielded Barbus aeneus, Labeo capensis, Oncorhynchus mykiss and the occasional Austroglanis sclateri. Length frequency...
  6. A morphological study on species of African <em>Mormyrus</em> (Teleostei: Mormyridae) and their electric organ discharges

    A morphological study on species of African <em>Mormyrus</em> (Teleostei: Mormyridae) and their electric organ discharges

    Item type: Journal Article • Journal: African Journal of Aquatic Science
    Five species of Mormyrus Linné 1758, three from West Africa and one each from East and southern Africa, were compared morphologically, and their electric organ discharges (EODs) recorded in the field. The five species were morphologically well differentiated in terms...
  7. Stock Structure of Snoek <em>Thyrsites Atun</em> in the Benguela: A New Hypothesis

    Stock Structure of Snoek <em>Thyrsites Atun</em> in the Benguela: A New Hypothesis

    Item type: Journal Article • Journal: African Journal of Marine Science
    It has long been accepted that snoek Thyrsites atun in the Benguela system constitute a single stock that undergoes seasonal longshore migration in waters between southern Angola and the west coast of South Africa. Based on a review of past...
  8. Migration, pastoralists, HIV infection and access to care: the nomadic Fulani of northern Nigeria

    Migration, pastoralists, HIV infection and access to care: the nomadic Fulani of northern Nigeria

    Item type: Journal Article • Journal: African Journal of AIDS Research
    The burden of HIV infection among the nomadic Fulani of northern Nigeria is unknown. Migration — a way of life for this population — is known to increase the rate of HIV transmission and may limit individuals' access to treatment...
  9. Experiences of collaboration, coordination and efficiency in the delivery of HIV/AIDS home-based care in Zimbabwe

    Experiences of collaboration, coordination and efficiency in the delivery of HIV/AIDS home-based care in Zimbabwe

    Item type: Journal Article • Journal: African Journal of AIDS Research
    The difficulties of achieving successful collaboration between stakeholders can lead to uncoordinated and fragmented outcomes for HIV/AIDS programming, which has consequences for the immediate health and livelihood security of the intended beneficiaries. This article examines the collaboration between local, national...
  10. Maturity, age and growth of <em>Oreochromis karongae</em> (Teleostei: Cichlidae) in Lakes Malawi and Malombe, Malawi

    Maturity, age and growth of <em>Oreochromis karongae</em> (Teleostei: Cichlidae) in Lakes Malawi and Malombe, Malawi

    Item type: Journal Article • Journal: African Journal of Aquatic Science
    Size-at-50% maturity, age and growth, of Oreochromis (Nyasalapia) karongae ('chambo') in Lakes Malawi and Malombe were studied. Oreochromis karongae, a major component of the chambo species flock, attained 50% maturity at 225 mm TL in Lake Malawi and at 203...