Articles by Author: J N Kariuki

Search results for J N Kariuki

We found 11 results for you
  1. Effects of crop diversity on bird species richness and abundance in a highland East African agricultural landscape

    Effects of crop diversity on bird species richness and abundance in a highland East African agricultural landscape

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    We examined the effects of crop diversity on avian species richness and abundance in the highland farmlands of Nyandarua, Kenya. We surveyed birds using point counts and recorded habitat data at the same locations estimating cover and growth stage of...
  2. Vegetation composition and structure influences bird species community assemblages in the highland agricultural landscape of Nyandarua, Kenya

    Vegetation composition and structure influences bird species community assemblages in the highland agricultural landscape of Nyandarua, Kenya

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    We examined the effects of vegetation composition and structure on bird species diversity and richness of foraging guilds in the highland agricultural landscape of Nyandarua, Kenya. Bird point counts and vegetation surveys were undertaken during four sampling periods. Linear mixed...
  3. Current conservation status of the Blue Swallow <em>Hirundo atrocaerulea</em> Sundevall 1850 in Africa

    Current conservation status of the Blue Swallow <em>Hirundo atrocaerulea</em> Sundevall 1850 in Africa

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    The global Blue Swallow Hirundo atrocaerulea was classified as Vulnerable in 2010 on account of its small and rapidly declining population estimated at less than 1 500 pairs. We undertook this study to gain a better understanding of the current...
  4. Utilisation of Fodder Trees Under Small-Holder Systems in Kenya

    Utilisation of Fodder Trees Under Small-Holder Systems in Kenya

    Item type: Journal Article • Journal: East African Agricultural and Forestry Journal
    Although the technical advantages in terms of animal production and improved soil fertility of the use of herbaceous legumes have been well demonstrated in Kenya and elsewhere, adoption by small-scale farmers has been disappointing. This has led to increased research...