Feeding, growth, and reproduction in the genus Calanus

Title
Feeding, growth, and reproduction in the genus Calanus
Publication Type
Journal Article
Year of Publication
2000
Authors

Harris RP, Irigoien X, Head RN, Rey C, Hygum BH, Hansen BW, Niehoff B, Meyer-Harms B, Carlotti F

Journal
ICES Journal of Marine Science
Volume
57
Pagination
1708-1726
ISBN Number
Keywords

Calanus, feeding, growth, reproduction, mesocosm, Tromso, Bergen, Norway, 18 m3

Abstract

A combination of shipboard and laboratory experimentation and mesocosm rearing is used in an integrated study of feeding, growth, and reproduction of Calanus finmarchicus. Comparisons are made where possible with the co-occurring Calanus helgolandicus. Regional and seasonal variability of feeding and reproduction was investigated for C. finmarchicus in the open Norwegian Sea and for C. helgolandicus at a coastal station in the English Channel. Mesocosm experiments, carried out in western and northern Norway to identify environmental cues governing the life-cycle pattern, arecompared with the results of laboratory studies of nutrition, growth, and reproduction under controlled conditions. The results are discussed in relation to physiological and life-cycle models of Calanus.

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