Articles by Keyword: Coexistence

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  1. A hotspot of large branchiopod diversity in south-eastern Zimbabwe

    A hotspot of large branchiopod diversity in south-eastern Zimbabwe

    Item type: Journal Article • Journal: African Journal of Aquatic Science
    Large branchiopods are considered threatened across much of their global range. However, because several regions, including Zimbabwe in general and its south-eastern lowveld in particular, remain largely unstudied, interpretations of species distribution patterns are often based on limited data. A...
  2. Patterns of diversity along experimental gradients of disturbance and nutrient supply—the confounding assumptions of the Intermediate Disturbance Hypothesis

    Patterns of diversity along experimental gradients of disturbance and nutrient supply—the confounding assumptions of the Intermediate Disturbance Hypothesis

    Item type: Journal Article • Journal: African Journal of Marine Science
    A model of the interactive effects of disturbance and productivity on diversity predicts peak diversity to shift towards higher disturbance regimes as productivity increases, confining the Intermediate Disturbance Hypothesis to intermediate productivity levels. We conducted a two-factorial (disturbance, nutrients) field...
  3. A test of five mechanisms of species coexistence between rodents in a southern African savanna

    A test of five mechanisms of species coexistence between rodents in a southern African savanna

    Item type: Journal Article • Journal: African Zoology
    The operation of five different mechanisms of species coexistence in a community of rodents was examined in a semi-arid Kalahari savanna in southern Africa. The two most common species were Tatera leucogaster (bushveld gerbil) and Rhabdomys pumilio (striped mouse). The...
  4. Seasonal habitat and diet partitioning between two sympatric bovid species in Pendjari Biosphere Reserve (northern Benin): waterbuck and western kob

    Seasonal habitat and diet partitioning between two sympatric bovid species in Pendjari Biosphere Reserve (northern Benin): waterbuck and western kob

    Item type: Journal Article • Journal: African Zoology
    Niche theory suggests differential use of shared resources facilitates coexistence of species in a community. In this study we used the faecal stable isotope analysis with observations along transect lines perpendicular to the Pendjari River. This was to examine seasonal...
  5. Long-term livestock grazing increases the recruitment success of epigeal termites: insights from a >75-year grazing experiment in the Karoo, South Africa

    Long-term livestock grazing increases the recruitment success of epigeal termites: insights from a >75-year grazing experiment in the Karoo, South Africa

    Item type: Journal Article • Journal: African Journal of Range & Forage Science
    Epigeal termites alter ecosystem-level processes through foraging and mound building. These effects are proportional to density. Whilst much is known about the factors influencing mound density in natural settings, how termites respond to livestock grazing has been overlooked. We compared...