A Bio-Economic Model for the Optimization of a Multi-Species, Multi-Gear Fishery: The Italian Case
作者： V. PLACENTI , G. RIZZO , M. SPAGNOLO
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摘要: The 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 a specific definition fis hing effort multi-species multi-gear fisheries. 43 species, 4 gear types, 10 coastal regions, exhibits satisfactory capability fitting catch data Italian (1968-1985). static optimization performed, taking into account costs, revenues, suitable indices relating to species preservation fishery inertia. results, obtained by means non-linear programming approach, show that significant increase profit can be achieved simultaneously reduction redistribution fishing effort.
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