Optimal spatial distribution of the fishing effort in a multi fishing zone model

Optimal spatial distribution of the fishing effort in a multi fishing zone model

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Article ID: iaor2009379
Country: Netherlands
Volume: 197
Issue: 3/4
Start Page Number: 274
End Page Number: 280
Publication Date: Aug 2006
Journal: Ecological Modelling
Authors: , , , ,
Keywords: agriculture & food, location
Abstract:

This work presents a stock-effort dynamical model of a fishery subdivided on several fishing zones. The stock corresponds to a fish population moving between different zones, on which they are harvested by fishing fleets. The bio-economical model is a set of ODE's governing the fishing efforts and the stocks on the different fishing zones. We take profit from the existence of two time scales (a fast one for fish migration and fleets movements, and a slow one for fish growth and mortality and fleets revenue) to construct a reduced (aggregated) model. The aggregated model describes the global evolution of the harvested stock as well as the total fishing effort.

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