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Marine Ecology Progress Series

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MEPS 249:215-222 (2003)  -  doi:10.3354/meps249215

Vertical distribution and feeding of the carnivorous copepod Paraeuchaeta norvegica

Hilde Skarra, Stein Kaartvedt*

University of Oslo, Department of Biology, PO Box 1064 Blindern, 0316 Oslo, Norway
*Corresponding author. Email:

ABSTRACT: Adult females of Paraeuchaeta norvegica inhabited the lower part of a 200 m deep water column in winter and early spring, while their distribution became more shallow during summer and comprised both a deep and a shallow mode during autumn. Day and night profiles were fairly similar, although with slightly shallower population distributions at night. P. norvegica produced fecal pellets at all seasons. Enumeration of the egested pellets suggested greatest feeding activity during late autumn and least during winter. Pellets were produced at all depths. Feeding activity was greatest at night.

KEY WORDS: Diel vertical migration · Fecal pellets · Season

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