Articles by Author: J Martin Collinson

Search results for J Martin Collinson

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  1. The taxonomic position and breeding range of Golden Nightjar <em>Caprimulgus eximius</em> (Caprimulgidae)

    The taxonomic position and breeding range of Golden Nightjar <em>Caprimulgus eximius</em> (Caprimulgidae)

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    Golden Nightjar Caprimulgus eximius is an apparently sedentary sub-Saharan species with a breeding range extending from Senegal and Mauritania to Sudan. Although genetic studies of nightjars and related Caprimulgiformes have been published previously, none has included Golden Nightjar. In this...
  2. Management goals for wildlife reserves in grassveld and bushveid

    Management goals for wildlife reserves in grassveld and bushveid

    In South Africa most wildlife reserves are managed. Unambiguously stated goals are required if management is to be successful. The primary biological purpose of a reserve is proposed to be to maintain storehouses of dynamic genetic material. To perpetuate this...
  3. The precision of assessing components of the condition of moist tall grassveld

    The precision of assessing components of the condition of moist tall grassveld

    The precision of a rapid technique previously developed to assess veld condition in three grassveld types in Natal was investigated. Three plots were assessed four times on each of three occasions during a growing season. Because basal cover tends to...
  4. A national range inventory for the Kingdom of Lesotho ‘n nasionale opname van die weivelde van die koningkryk van Lesotho

    Item type: Journal Article • Journal: Journal of the Grassland Society of Southern Africa
    With the need for an understanding of the nation's rangelands, the Division of Range Management of the Kingdom of Lesotho has undertaken a national range inventory. This resource study has utilized as aids in this task, the up‐to‐date techniques of...
  5. An assessment of cassava African mosaic disease in South Africa and Swaziland

    An assessment of cassava African mosaic disease in South Africa and Swaziland

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    A preliminary assessment of the distribution of African mosaic disease (AMD) in cassava in Natal, Transvaal and Swaziland suggests that at present the threat to commercial plantings in Natal has been contained through (i) commercial establishment of cassava in an...
  6. Book Review

    Book Review

    Item type: Journal Article • Journal: South African Journal of Philosophy
  7. ON CONDITIONALLY DEFINITE QUADRATIC FORMS

    ON CONDITIONALLY DEFINITE QUADRATIC FORMS

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    Second order optimality conditions may require the verification of a conditional definiteness condition of the form
  8. Challenges relating to standardization in the development of an isiXhosa spelling checker

    Challenges relating to standardization in the development of an isiXhosa spelling checker

    Item type: Journal Article • Journal: South African Journal of African Languages
    The development of an isiXhosa spelling checker revealed many deviations from the standard form of orthographic words. The purpose of this article is to highlight the major challenges relating to these inconsistencies at various levels of representation. On the orthographic...
  9. Adaptability of great cormorants <em>Phalacrocorax carbo</em> in a coastal environment demonstrated by their exploitation of introduced prey species and use of artificial breeding sites

    Adaptability of great cormorants <em>Phalacrocorax carbo</em> in a coastal environment demonstrated by their exploitation of introduced prey species and use of artificial breeding sites

    Item type: Journal Article • Journal: South African Journal of Marine Science
    An analysis of the contents of regurgitations of great cormorant Phalacrocorax carbo chicks at two coastal colonies in South Africa, one on an offhore island (St Croix) and the other at a saltworks in an estuary (Swartkops), revealed that the...