Articles by Author: Hendrik Hofmeyr

Search results for Hendrik Hofmeyr

We found 47 results for you
  1. Evaluation of soil conservation measures on a highly erodible soil in the Free State province, South Africa

    Evaluation of soil conservation measures on a highly erodible soil in the Free State province, South Africa

    Item type: Journal Article • Journal: South African Journal of Plant and Soil
    Soil erosion is a problem in South Africa, and is exacerbated by poor land use practices and erodible soils. Several methods are available to address the problem and a runoff trial was conducted over four rainfall seasons on an erodible,...
  2. Voicing status of syllable-initial plosives in siSwati

    Voicing status of syllable-initial plosives in siSwati

    Item type: Journal Article • Journal: South African Journal of African Languages
    This paper compares the voicing status of /ptk/ and /bdg/ in siSwati. Expanded waveform shapes and spectrographic representations of our experimental data showed us immediately that the distinction between the voiceless and voiced syllable-initial plosives could not be traced by...
  3. Entanglement of pinnipeds at Marion Island

    Entanglement of pinnipeds at Marion Island

    Item type: Journal Article • Journal: South African Journal of Marine Science
    During the period April 1991–March 1996, 10 entangled Antarctic fur seals Arctocephalus gazella, 28 entangled Subantarctic fur seals A. tropicalis and one entangled southern elephant seal Mirounga leonina were observed at Marion Island, Southern Ocean. Entanglement of fur seals was...
  4. Trends of African penguin <em>Spheniscus demersus</em> populations in the 20th century

    Trends of African penguin <em>Spheniscus demersus</em> populations in the 20th century

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The entire nesting population of African penguins Spheniscus demersus was about 575 000 adults at the start of the 20th century. Numbers halved by the 1950s and continued to fall to about 220 000 by the late 1970s and about...
  5. Serial spawning and batch fecundity of <em>Merluccius capensis</em> and <em>M. Paradoxus</em>

    Serial spawning and batch fecundity of <em>Merluccius capensis</em> and <em>M. Paradoxus</em>

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Histological analysis of the ovaries and the presence of multiple modes in oocyte size frequency distribution of Cape hake Merluccius capensis and M. paradoxus indicates that they are serial spawners. Batch fecundity, calculated by means of the "hydrated oocyte method",...
  6. SEABIRDS OFF THE SOUTHWESTERN COAST OF AFRICA

    SEABIRDS OFF THE SOUTHWESTERN COAST OF AFRICA

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    Summerhayes, C. P., Hofmeyr. P. K. & Rioux, R. H. 1974. Seabirds off the southwestern coast of Africa. Ostrich 45: 83–109.