Articles by Author: Hannes Botha

Search results for Hannes Botha

We found 154 results for you
  1. Identifying key grazing indicators to monitor trends in the veld condition of Lambert's Bay Strandveld, South Africa

    Identifying key grazing indicators to monitor trends in the veld condition of Lambert's Bay Strandveld, South Africa

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    Currently, the methods used to assess the veld condition of the Lambert's Bay Strandveld along the West Coast of South Africa require that the operator knows all the plants encountered in the survey area. In this study data were collected...
  2. Livestock grazing has minimal effect on the species richness and diversity of semi-arid shrubland in the Western Little Karoo, South Africa

    Livestock grazing has minimal effect on the species richness and diversity of semi-arid shrubland in the Western Little Karoo, South Africa

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    The Succulent Karoo, one of two arid biodiversity hotspots in the world, is known for its high plant species richness, but little is known about the influence of topography and how it mediates the potentially deleterious effects of grazing. Changes...
  3. Possible rehabilitation methods of <em>Galenia africana</em>-dominated old lands in the Cederberg Mountains, South Africa

    Possible rehabilitation methods of <em>Galenia africana</em>-dominated old lands in the Cederberg Mountains, South Africa

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    Several methods to rehabilitate old cropping lands in the Cederberg Mountains were tested to determine what type of soil disturbance, if any, and which of five indigenous perennial plant species are the most successful and economically feasible. Old lands are...
  4. Feral Pigs in the Western Cape Province: Failure of a Potentially Invasive Species

    Item type: Journal Article • Journal: South African Forestry Journal
    The status of feral pig (Sus scrofa) colonies in the western Cape Province of South Africa was ascertained from the literature and from unpublished records. Of 12 colonies established during the last century, only six are extant. The populations of...
  5. The utilization of karoo veld by livestock

    The utilization of karoo veld by livestock

    Three major utilization strategies: correct stocking rates; application of rotational grazing; and diversification of stock, for effective utilization of the veld in the Karoo areas, are discussed in terms of their importance, associated problems and possible solutions to the problems...
  6. A comparison between the diets of small and large stock on mixed karoo veld<sup>1</sup>

    A comparison between the diets of small and large stock on mixed karoo veld<sup>1</sup>

    The botanical composition of the diet of oesophageally fistualated Dorper and Merino sheep, Boer goats and Afrikaner cattle, grazing a mixed Karoo veld, was determined quarterly. The botanical composition of the diets were determined by means of a microscope point...
  7. Die invloed van drie tussenrybewerkingsmetodes op opbrengs en chemiese samestelling van droëlandlusern op die oos‐transvaalse hoëveld.

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa
    Drie tussenrybewerkingsmetodes, skeurploeg (40 — 50 cm diep) skoffel (5 — H) cm diep) en kontrole (geen bewerking) is gedurende die 1982/83 en 1983/84 groeiseisoene in ‘n bestaande lusernstand uitgevoer. Hierdie lusern was in 0,9 m rye gevestig. Tye van...
  8. A comparison of grass and grass/legume pastures under irrigation in the Outeniqua area of the southern Cape

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa
    Two grass and five grass/legume pastures were evaluated over a period of two seasons at two seasonally set grazing pressures and under two grazing management systems, involving five and seven paddocks per flock and a seven‐day period of stay. Grazing...