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The normalized fishing effort is represented by the solid diamonds. The modified fishing effort is given for 2 values of the weight used in the likelihood function. At low weight (w=1), large deviations are introduced into the effort time series. At a higher weight (w=10) the deviations are much smaller.
By decreasing the value of w, the fishing mortality will be adjusted until the observed and predicted tag recaptures agree very closely. Introduction of these parameters introduces a mechanism that ensures that the effort data are consistent with the tag dynamics.