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Periodicity of otolith check formation in the juvenile plaice Pleuronectes platessa

Geffen, Audrey J.
Chapter, Conference object, Peer reviewed
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URI
http://hdl.handle.net/1956/4315
Date
1995
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  • Department of Biological Sciences [1836]
Abstract
Juvenile (Pleuronectes platessa L.) were sampled in the intertidal zone of Port Erin Bay (Isle of Man, Irish Sea) by push-net in the summers of 1990 and 1992. Check formation on the sagittal otoliths was examined to test the hypothesis that tidal and light cycles periodically disrupt the growth of 0-group plaice. Otolith checks occurred mostly at weekly (7-8 d) intervals (range 3-21 d). This periodicity matched activity patterns that were lowest at both spring and neap tides. Check formation may reflect ontogenetic changes in feeding and activity, as measured by diurnal and seasonal variations in catches.
Publisher
University of South Carolina Press
Series
Belle W.Baruch Library in Marine Science
19
Copyright
Belle W. Baruch Institute for Marine & Coastal Research and University of South Carolina Press.
Copyright Belle W. Baruch Institute for Marine & Coastal Research and University of South Carolina Press. All rights reserved.

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