Bi-modal vertical distribution of the carnivorous copepod Paraeuchaeta norvegica |
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| Authors: | Kaartvedt Stein; Dale Trine; Bagoien Espen; Viken Tom |
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| Institution: | Department of Biology, University of Oslo, PO Box 1064 Blindern, N-0316 Oslo, Norway |
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| Abstract: | Bi-modal vertical distribution of Paraeuchaeta norvegica duringlate autumn was observed in a Norwegian fjord in three differentyears, and hence seems to be a recurring phenomenon. An uppermode performed diel vertical migration, foraging in shallowwater at night. A deep mode did not migrate vertically, butsome feeding took place at depth. |
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