期刊
ICES JOURNAL OF MARINE SCIENCE
卷 62, 期 7, 页码 1281-1292出版社
OXFORD UNIV PRESS
DOI: 10.1016/j.icesjms.2005.05.020
关键词
Barents Sea; capelin; cod; copepods; zooplankton
On the basis of data from cold (1982 and 1987) and warm summers ( 1983, 1984, 1990, and 1992), we explore the relationship between the phytoplankton bloom and the timing and intensity of the zooplankton bloom, In warm years, there is more overlap in the time between the zooplankton and the phytoplankton bloom. In northern areas (76-78 degrees N) with seasonal ice, the phytoplankton bloom and reproductive processes in Calanus finmarchicus and Colanus glacialis continue well into August, evidenced by the presence of all abundance of nauplii and younger copepodites. We analyse feeding intensity of capelin and its distribution relative to food availability and capelin abundance. The extent to which feeding areas of cod and capelin, its major prey, overlap is subject to the abundance of these species, distribution of zooplankton, and sea temperature in a given year, (c) 2005 International Council for the Exploration of the Sea. Published by Elsevier Ltd. All rights reserved.
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