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Polychaetes from the Irving, Meteor and Plato seamounts, North Atlantic ocean: origin and geographical relationships

Published online by Cambridge University Press:  10 January 2003

Patrick Gillet
Institut d'Ecologie Appliquée, Université Catholique de l'Ouest, BP 808, F-49008 Angers Cedex 01, France, E-mail:
Jean-Claude Dauvin
Station Marine de Wimereux, Université de Lille 1, UMR CNRS 8013 ELICO, BP 80, F-62930 Wimereux, France, E-mail:


Data came from the Irving, Meteor and Plato seamounts and, were obtained during the Seamount 2 Expedition on board the RV ‘Le Suroît’ in 1993. On the three seamounts, polychaetes were sampled at 44 sites from 260 to 1800 m: 8 sites on Irving, 27 on Meteor and 9 on Plato. In all five seamounts, 1753 individuals were collected: 403 on Atlantis, 346 on Hyeres, 523 on Irving, 387 on Meteor and 94 on Plato. The species richness from the five seamounts is 53: 31 on Atlantis, 24 on Hyeres, 20 on Irving, 28 on Meteor and 21 species on Plato. Only nine species are present on all five seamounts. Three families Onuphidae, Amphinomidae and Eunicidae are dominant. Two groups of seamounts were identified by cluster analysis: Atlantis and Hyeres and, Irving, Meteor and, Plato. The distribution of the polychaetes collected on these five seamounts are compared with the polychaete fauna from the North Atlantic ocean.

Research Article
© 2003 Marine Biological Association of the United Kingdom

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