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  1. The distribution and habitat in the Knysna Estuary of the endemic South African mudsnail <em>Hydrobia knysnaensis</em> and the influence of intraspecific competition and ambient salinity on its abundance

    The distribution and habitat in the Knysna Estuary of the endemic South African mudsnail Hydrobia knysnaensis and the influence of intraspecific competition and ambient salinity on its abundance

    Item type: Journal Article • Journal: African Journal of Aquatic Science • Authors: Rsk Barnes
    The typical habitat of the rare, endemic South African mudsnail Hydrobia knysnaensis is the leaves of upper-shore Zostera capensis within high-salinity salt-marsh pools and channels. In the Knysna estuarine system, it is the numerically dominant member of a guild of...
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  2. Comparative salinity tolerances of four siphonariid limpets in relation to habitat restriction of the rare and endangered <em>Siphonaria compressa</em>

    Comparative salinity tolerances of four siphonariid limpets in relation to habitat restriction of the rare and endangered Siphonaria compressa

    Item type: Journal Article • Journal: African Journal of Marine Science • Authors: G Wilson --- Marine Biology Research Centre, Department of Zoology, South Africa GM Branch --- Marine Biology Research Centre, Department of Zoology, South Africa P de Coito --- Marine Biology Research Centre, Department of Zoology, South Africa
    The salinity tolerances of four South African species of limpet in the genus Siphonaria were experimentally tested, in the context that one of them, S. compressa, is South Africa's most endangered marine mollusc and is restricted to two lagoonal localities...
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