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ICES Journal of Marine Science: Journal du Conseil 2000 57(3):619-627; doi:10.1006/jmsc.2000.0728
© 2000 by ICES/CIEM International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer
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Fisheries in boreal ecosystems

Patricia A. Livingston and Sigurd Tjelmeland

Alaska Fisheries Science Center 7600 Sand Point Way NE, Seattle, WA 98115, USA [tel: +1 206 526 4242; fax: +1 206 526 6723; e-mail: Pat.Livingston{at}noaa.gov]
Institute of Marine Research PO Box 1870, N-5024 Nordnes, Bergen, Norway

Northern boreal shelf ecosystems are characterized by relatively few dominant species with strong interactions. The environment is highly dynamic, with strong impacts from oceanographic events that have major influences on fish stocks by altering recruitment, growth, and migration patterns. Excessive catches of one species may lead to the collapse of an important predator or prey in the system and may cause changes in the growth and survival patterns of other species in the food web. Four ecosystems – the Barents Sea/Norwegian Sea, the Bering Sea, the Iceland/Jan Mayen area, and the Newfoundland Shelf area – are compared and the impacts of climate and fishing are discussed on the basis of the recent literature.

Keywords: boreal, ecosystem comparison, effects of fishing


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