Search

Search results for

We found 3 results for you
  1. Responses of the Serengeti avifauna to long-term change in the environment

    Responses of the Serengeti avifauna to long-term change in the environment

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Anthony RE Sinclair --- Beaty Biodiversity Research Centre, Canada Ally Nkwabi --- Serengeti Biodiversity Program, Tanzania Simon AR Mduma --- Beaty Biodiversity Research Centre, Canada Flora Magige --- Department of Zoology and Wildlife Conservation, Tanzania
    In this paper we examine how climate change interacts with other disturbances to alter the functioning of a tropical ecosystem, the Serengeti in Tanzania. Tropical Africa has increasing temperatures and changes in rainfall. Long-term data have shown how the avifauna...
    View item »
  2. Food availability and seasonal variation in nest predation pressure as factors influencing the timing of breeding of Namaqua sandgrouse in the Nama Karoo, South Africa

    Food availability and seasonal variation in nest predation pressure as factors influencing the timing of breeding of Namaqua sandgrouse in the Nama Karoo, South Africa

    Item type: Journal Article • Journal: African Zoology • Authors: Penn Lloyd --- Percy FitzPatrick Institute of African Ornithology, University of Cape Town, South Africa Robin M. Little --- Percy FitzPatrick Institute of African Ornithology, University of Cape Town, South Africa Timothy M. Crowe --- Percy FitzPatrick Institute of African Ornithology, University of Cape Town, South Africa
    The Namaqua sandgrouse, Pterocles namaqua, is an opportunistic granivore that feeds exclusively on the seeds of ephemeral plants. These plants germinate after rainfall and have a short growing season before producing abundant quantities of seed as they dry out and...
    View item »
  3. Vulnerability of birds to contaminated water sources in the Karoo region of South Africa

    Vulnerability of birds to contaminated water sources in the Karoo region of South Africa

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology • Authors: Alan TK Lee --- FitzPatrick Institute of African Ornithology, South Africa Carolynne Geary --- Purposefully Lost Conservation Centre, South Africa Dale R Wright --- BirdLife South Africa, South Africa W Richard J Dean --- FitzPatrick Institute of African Ornithology, South Africa
    The Karoo is a unique region in South Africa in terms of its ecological processes and endemic species. Large areas are needed to maintain viable populations of nomadic birds that follow erratic rainfall events and subsequent food and nesting resources,...
    View item »