Introduction of environmental variables into global production models

Fréon, Pierre

Introduction of environmental variables into global production models | Long term changes in marine fish populations = Cambios de largo termino en poblaciones de peces marinos

1988

Fréon, Pierre

It is well-known that the traditional use of global production models is not suitable for certain stocks, because fishing effort variations explain only a small part of the total variability of annual catches. Often the residual variability originates from the influence of climatic phenomena, which disturb either the abundance of the catchability of a stock from one year to the next

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