Journal Article

Variations in the distributions of <i>Centropages chierchiae</i> and <i>Temora stylifera</i> (Copepoda: Calanoida) in the north-eastern Atlantic Ocean and western European shelf waters

J.A. Lindley and S. Daykin

in ICES Journal of Marine Science

Published on behalf of ICES/CIEM

Volume 62, issue 5, pages 869-877
Published in print January 2005 | ISSN: 1054-3139
Published online January 2005 | e-ISSN: 1095-9289 | DOI: http://dx.doi.org/10.1016/j.icesjms.2005.02.009
Variations in the distributions of Centropages chierchiae and Temora stylifera (Copepoda: Calanoida) in the north-eastern Atlantic Ocean and western European shelf waters

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Centropages chierchiae and Temora stylifera occurred rarely in the Continuous Plankton Recorder (CPR) survey in the Bay of Biscay, Celtic Sea, and English Channel before 1988. By 2000 they were found frequently and in abundance. The seasonal cycles of abundance of these species differ, C. chierchiae occurring mainly in the summer while T. stylifera was found most frequently in late autumn or winter towards the northern limits of its distribution. The increase in abundance of both species is related to temperature. However, in the years when it was found in the samples, the frequency of occurrence of C. chierchiae was correlated positively with the strength of the shelf edge current and negatively with the North Atlantic Oscillation (NAO) while the reverse was true for T. stylifera.

Keywords: Bay of Biscay; Celtic Sea; climate change; copepods; distributions; English Channel; seasonal cycles; zooplankton

Journal Article.  4313 words.  Illustrated.

Subjects: Environmental Science ; Marine and Estuarine Biology

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