Atlantic Fisheries Research Document 1996/133
Exploitation rate estimates for 3Pn4RS cod based on mark and mark-recapture data
By P. Gagnon
Abstract
Data from the mark-recapture programme targetting the 3Pn4RS cod stock in 1983-1986 is analyzed using a population dynamics model to provide estimates of exploitation rates. The analysis involves a maximum likelihood procedure for estimating the tag reporting rate, which is made possible because the programme includes multiple tagging sessions. Monthly fishing mortalities are obtained for the 1984 to 1990 period.
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