Patterns of Refuge Use By Sesarma Cinereum (BOSC)
Patterns of refuge use and daily movement were recorded for Sesarma cinereum over two monthly observation periods. A total of 1,588 crabs were marked and released in this study and of these 576 were recaptured. Most individuals established relatively permanent shelters immediately after release and the site of each crab's shelter changed little throughout the study period. The choice of shelter location did not reflect a return to the home area since there was no correlation with the original capture area. Although a few individuals were observed to undertake long migrations along the marsh edge, most animals were consistently observed within 3 m of their refuge. The terrestrial habitat, patchy availability of shelters, and daily foraging combine to determine the nature of refuge use.
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Document Type: Research Article
Publication date: 1992-01-01
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