Articles by Keyword: Stock Farmers

Search results for Stock Farmers

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  1. Research note: Evaluation of the reliability of local farmer knowledge in Namaqualand, South Africa

    Research note: Evaluation of the reliability of local farmer knowledge in Namaqualand, South Africa

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    Local farmer knowledge of species distribution patterns and plant palatability in Namaqualand, South Africa, was assessed using Participatory Rural Appraisal techniques. These findings were compared with the results obtained using phytosociological techniques (species distribution), and with palatability indices published in...
  2. A comparison of four different standards of reference for the animal unit for Determining stocking rate

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa
    No single standard of reference for the animal unit (AU) for determining stocking rates has materialized. Often, therefore, it is not clear which standard of reference for the AU or which method of determining stocking rate has been used in...
  3. An investigation into soil fertility in two resource-poor farming communities in KwaZulu-Natal (South Africa)

    An investigation into soil fertility in two resource-poor farming communities in KwaZulu-Natal (South Africa)

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Low soil fertility is one of the major constraints affecting agriculture in Africa, a phenomenon that is also evident in fields of resource-poor farmers in KwaZulu-Natal. However, nutrient depletion status is field specific. This paper investigates the hypothesis that among...
  4. Cattle manure increases soil weed population and species diversity in a semi-arid environment

    Cattle manure increases soil weed population and species diversity in a semi-arid environment

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    This study investigated the quality of available cattle manure resources in selected villages of the North West province and its influence as a weed seed source when applied to soil. Analysis of manure samples showed a large variation in the...
  5. Quality as a factor influencing the possible utilization of eight exotic legume species as mulches

    Quality as a factor influencing the possible utilization of eight exotic legume species as mulches

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Invasive exotic legumes need to be controlled by amongst others, mechanical control methods. Residues such as twigs and leaves of felled trees can possibly be utilized as a low cost, organic fertilizer. The quality of the organic materials influences their...
  6. Development of Bayesian stock assessment methods for Namibian orange roughy <em>Hoplostethus atlanticus</em>

    Development of Bayesian stock assessment methods for Namibian orange roughy <em>Hoplostethus atlanticus</em>

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Bayesian methods are useful in fisheries stock assessment because they provide a conceptually elegant and statistically rigorous approach to making decisions under uncertainty. The application of Bayesian stock assessment methods in the management of Namibian orange roughy Hoplosthethus atlanticus within...
  7. A review of orange roughy <em>Hoplostethus atlanticus</em> fisheries, estimation methods, biology and stock structure

    A review of orange roughy <em>Hoplostethus atlanticus</em> fisheries, estimation methods, biology and stock structure

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Orange roughy Hoplostethus atlanticus are unusual fish. They form dense aggregations that have fuelled lucrative fisheries at great depths (600–1 400 m), especially off Namibia, New Zealand and Australia. They are thought to be very long-lived (>100 years, maturity at...
  8. A decade of exploitation and management of the Namibian hake stocks

    A decade of exploitation and management of the Namibian hake stocks

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The hake resource is the most important commercial fish species in the demersal sector of Namibia's fisheries, both in terms of annual catch and contribution to Gross Domestic Product (GDP). The fishery now spans four decades. In the 1960s and...
  9. Life history of white stumpnose <em>Rhabdosargus globiceps</em> (Pisces: Sparidae) off South Africa

    Life history of white stumpnose <em>Rhabdosargus globiceps</em> (Pisces: Sparidae) off South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Fishery-dependent and fishery-independent distribution analyses together reveal four discrete areas of white stumpnose Rhabdosargus globiceps abundance between Port Nolloth and the Kei River off the Cape Province of South Africa: the Western Cape (Saldanha Bay), the South-Western Cape, the Southern...
  10. Population dynamics and potential yield of three species of giant winkles in the Western Cape, South Africa

    Population dynamics and potential yield of three species of giant winkles in the Western Cape, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Of the southern African intertidal and shallow subtidal trochid and turbinid gastropods, Turbo sarmaticus, T. cidaris and Oxystele sinensis, are the most abundant large species, and therefore obvious targets for a winkle fishery. T. sarmaticus is harvested by recreational snorkel...