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- Title
INCORPORATING COVARIATES INTO FISHERIES STOCK ASSESSMENT MODELS WITH APPLICATION TO PACIFIC HERRING.
- Authors
Deriso, Richard B.; Maunder, Mark N.; Pearson, Walter H.
- Abstract
The article presents a framework for evaluating the cause of fishery declines through the integration of covariates into a fisheries stock assessment model. An illustration of the framework is examined by applying it to the collapsed stock of the Pacific herring of Prince William Sound, Alaska. Overall results indicate that the primary reason for the lack of recovery of the herring stock involve competition or predation by juvenile hatchery pink salmon on herring juveniles. Other factors include poor nutrition in the winter, the winter temperature of the Gulf of Alaska, the viral hemorrhagic septicemia virus, and the pathogen Ichthyophonus hoferi. Results imply that fisheries management in Prince William Sound may be difficult for both the production of pink salmon and Pacific herring.
- Subjects
PRINCE William Sound (Alaska); ALASKA; UNITED States; FISHERY management; PACIFIC herring fisheries; PINK salmon fisheries; FISH stocking; FISHERY resources; FISH farming
- Publication
Ecological Applications, 2008, Vol 18, Issue 5, p1270
- ISSN
1051-0761
- Publication type
Article
- DOI
10.1890/07-0708.1