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Status of river herring stocks in large rivers

American Fisheries Society Symposium

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Abstract

We examined long-term data sets from large rivers in the northern, central, and southern parts of the ranges of anadromous river herring (alewife Alosa pseudoharengus and blueback herring A. aestivalis) to assess the current status of these species and for evidence of fishery-induced effects on their demographic characteristics. Both species show signs of overexploitation in all rivers examined, such as reductions in mean age, decreases in percentage of returning spawners, and decreases in abundance. These two species should be managed separately since exploitation within a given river is often biased toward one or the other and there are enough differences in their biology so that a single management option will affect them differently. These species are not distinguished in commercial catches, which hinders understanding of their exploitation. ?? 2003 by the American Fisheries Society.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Status of river herring stocks in large rivers
Series title:
American Fisheries Society Symposium
Volume
2003
Issue:
35
Year Published:
2003
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
American Fisheries Society Symposium
First page:
171
Last page:
182