A Bio-Economic Model for the Optimization of Multi-Species, Multi-Gear Fishery: The Italian Case
AbstractThe results of an optimal harvesting analysis for marine fisheries in Italy are presented. A logistic catch-effort model is developed based on the Schaefer equation and on a specific definition for fishing effort in multi-species and multi-gear fisheries. The model for 43 species, 4 gear types, and 10 coastal regions, exhibits satisfactory capability in fitting catch and effort data for the Italian fisheries (1968-1985). A static optimization is performed, taking into account costs, revenues, and suitable indices relating to species preservation and fishery inertia. The results, obtained by means of a non-linear programming approach, show that a significant increase in profit and species preservation can be achieved simultaneously by means of a reduction and redistribution of fishing effort.
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Bibliographic InfoArticle provided by Marine Resources Foundation in its journal Marine Resource Economics.
Volume (Year): 07 (1992)
Issue (Month): 4 ()
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Web page: http://www.uri.edu/cels/enre/mre/mre.htm
optimization; multi-species; multi-gear; Italy; Environmental Economics and Policy; Resource /Energy Economics and Policy;
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