dominate future fisheries management and implies a high recovery potential of the stock through continued reductions in fishing … on Sustainable Development at Johannesburg in 2002. Thus, the European Fisheries Council enforced a multi … regulations. Taking account of the uncertainty in the recruitment patterns, the target average fishing mortality of age groups 3 …

time. They are mainly used so far to optimize fishing mortality. Here the Beverton and Holt yield model was used. Apart … from the optimization of fishing effort the model was used to optimize age of first capture and thus mesh opening. Starting … assumed with a too large fishing mortality, but likewise with a mismatch of the mesh opening. For the calculated example …