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  1. The impact of emigration on population estimates of deep-sea red <em>crab Chaceon maritae</em> off Namibia

    The impact of emigration on population estimates of deep-sea red crab Chaceon maritae off Namibia

    Item type: Journal Article • Journal: South African Journal of Marine Science • Authors: L. Le Roux
    Underwater photography and tag-recapture methods have previously been found to be the most accurate means of assessing the size of the population of Chaceon maritae off southern Africa. However, recent population estimates made by the tag-recapture method appear to be...
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  2. Patterns of immigration to and emigration from breeding colonies by African penguins

    Patterns of immigration to and emigration from breeding colonies by African penguins

    Item type: Journal Article • Journal: African Journal of Marine Science • Authors: PA Whittington RM Randall RJM Crawford AC Wolfaardt NTW Klages BM Randall PA Bartlett YJ Chesselet R Jones
    Of over 20 000 African penguins Spheniscus demersus that had been flipper-banded as chicks between 1978 and 1999, 2% of those re-sighted after fledging settled to breed at non-natal colonies. This represented 14% of the banded birds that were subsequently...
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