Use of the stratified-Petersen estimator in fisheries management: estimating the number of pink salmon ( Oncorhynchus gorbuscha) spawners in the Fraser River

The simple-Petersen estimator is a well-known mark-recapture method to estimate animal abundance. Two key assumptions are equal catchability in both samples and complete mixing of tagged and untagged animals. If these are violated, severe bias can occur. The stratified-Petersen estimator can be used...

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Bibliographic Details
Published in:Canadian Journal of Fisheries and Aquatic Sciences
Main Authors: Schwarz, Carl James, Taylor, Carolyn Gail
Format: Article in Journal/Newspaper
Language:English
Published: Canadian Science Publishing 1998
Subjects:
Online Access:http://dx.doi.org/10.1139/f97-238
http://www.nrcresearchpress.com/doi/pdf/10.1139/f97-238