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Spatial pattern in barnacle settlement: day to day changes during the settlement season

Published online by Cambridge University Press:  11 May 2009

David S. Wethey
Department of Biology and Marine Science Program, University of South Carolina, Columbia, South Carolina 29208, U.S.A.


Spatial pattern of settlement of cyprids of the barnacleBalanus balanoides (L.) was examined from photographs taken every low tide during the first 20 days of the settlement season. The locations of pits and cracks and the bases of detached adults were mapped in order to measure specificity of settlement in relation to surface contour and chemical cues associated with conspecifics. Cyprids were identified as to their date of settlement. Distances to nearest neighbours were computed for newly settling cyprids relative to each other, for newly settling cyprids relative to previously settled cyprids, and for newly settling cyprids relative to newly metamorphosed spat.

Research Article
Copyright © Marine Biological Association of the United Kingdom 1984

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