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Título : A bioeconomic model for Mediterranean fisheries, the hake off Catalonia (western Mediterranean) as a case study
Autor : Lleonart, Jordi; Maynou, Francesc; Recasens, Laura; Franquesa, Ramón
Palabras clave : Bioeconomic model
Mediterranean fisheries
Hake
Fecha de publicación : 2003
Editor: CSIC - Instituto de Ciencias del Mar (ICM)
Citación : Scientia Marina 67(Suppl.1): 337-351 (2003)
Resumen: The theoretical aspects and the associated software of a bioeconomic model for Mediterranean fisheries are presented. The first objective of the model is to reproduce the bioeconomic conditions in which the fisheries occur. The model is, perforce, multispecies and multigear. The main management procedure is effort limitation. The model also incorporates the usual fishermen strategy of increasing efficiency to obtain increased fishing mortality while maintaining the nominal effort. This is modelled by means of a function relating the efficiency (or technological progress) with the capital invested in the fishery and time. A second objective is to simulate alternative management strategies. The model allows the operation of technical and economic management measures in the presence of different kind of events. Both deterministic and stochastic simulations can be performed. An application of this tool to the hake fishery off Catalonia is presented, considering the other species caught and the different gears used. Several alternative management measures are tested and their consequences for the stock and economy of fishermen are analysed.
Descripción : Publicación online disponible en: http://www.icm.csic.es/scimar/index.php
Versión del editor: http://dx.doi.org/10.3989/scimar.2003.67s1337
URI : http://hdl.handle.net/10261/5469
DOI: 10.3989/scimar.2003.67s1337
ISSN: 0214-8358 (print edition)
1886-8134 (online edition)
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