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Title

A bioeconomic model for Mediterranean fisheries, the hake off Catalonia (western Mediterranean) as a case study

AuthorsLleonart, Jordi ; Maynou, Francesc ; Recasens, Laura ; Franquesa, Ramón
KeywordsBioeconomic model
Mediterranean fisheries
Hake
Issue DateApr-2003
PublisherCSIC - Instituto de Ciencias del Mar (ICM)
CitationScientia Marina 67(Suppl.1): 337-351 (2003)
AbstractThe 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
Publisher version (URL)http://dx.doi.org/10.3989/scimar.2003.67s1337
URIhttp://hdl.handle.net/10261/5469
DOI10.3989/scimar.2003.67s1337
ISSN0214-8358
E-ISSN1886-8134
Appears in Collections:(ICM) Artículos
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