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...
Published in: | Canadian Journal of Fisheries and Aquatic Sciences |
---|---|
Main Authors: | , |
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 |