Statistical Catch-at-Age Methods

  • Ray Hilborn
  • Carl J. Walters

Abstract

In the last chapter, we saw how historical stock sizes and fishing mortality rates could be estimated from catch-at-age data and an assumed natural mortality rate using vpa. There are two major problems with vpa: it can give unreliable estimates for cohorts that have not completely disappeared from the fishery, and it requires an assumption about the natural mortality rate

Keywords

Biomass Fishing Stim Plague 

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Copyright information

© Springer Science+Business Media Dordrecht 1992

Authors and Affiliations

  • Ray Hilborn
  • Carl J. Walters

There are no affiliations available

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