Abnormal Migration Timing and High en route Mortality of Sockeye Salmon in the Fraser River, British Columbia

J. Cooke, Steven; G. Hinch, Scott; P. Farrell, Anthony; F. Lapointe, Michael; R. M. Jones, Simon; S. Macdonald, J.; A. Patterson, David; C. Healey, M.; Van Der Kraak, Glen

doi:10.1577/1548-8446(2004)29[22:amtahe]2.0.co;2

Public

Abnormal Migration Timing and High en route Mortality of Sockeye Salmon in the Fraser River, British Columbia

Published in Fisheries • Feb 1, 2004

Authors:

Steven J. Cooke

Scott G. Hinch

Anthony P. Farrell

Abstract

Since 1995, several stocks of Fraser River sockeye salmon (Oncorhynchus nerka) have begun upriver spawning migrations significantly earlier than previously observed. In some years, the timing of peak migration has shifted more than 6 weeks. Coincident with this early migration are high levels of en ...

Subject

Oncorhynchus

Fishery

Stock (firearms)

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