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'Heures' a bio-economic model for Mediterranean fisheries, towards the evaluation of management strategies
Lleonart, Jordi; Franquesa i Artés, Ramon; Salat Umbert, Jordi; Oliver Reus, Pere, 1950-
Universitat de Barcelona
The bio-economic model "Heures" is a first attempt to develop a simulation procedure to understand the Northwestern Mediterranean fisheries, to evaluate management strategies and to analyze the feasibility of implementing an adaptative management. The model is built on the interaction among three boxes simulating the dynamics of each of the basic actors of a fishery: the stock, the market and the fishermen. A fourth actor, the manager, imposes or modifies the rules, or, in terms of the model, modifies some particular parameters. Thus, the model allows us to simulate and evaluate the mid-term biologic and economic effects of particular management measures. The bio-economic nature of the model is given by the interaction among the three boxes, by the market simulation and, particularly, by the fishermen behaviour. This last element confers to the model its Mediterranean"selfregulated" character. The fishermen allocate their investments to maximize fishing mortality but, having a legal effort limit, they invest in maintenance and technology in order to increase the catchability, which, as a consequence. will be function of the invested capital.
2012-10-10
Indústria pesquera
Gestió de la pesca
Biologia econòmica
Mediterrània (Mar : sud-oest)
Fishing industry
Fishery management
Economic biology
Mediterranean Sea (southwest)
cc-by-nc (c) Consejo Superior de Investigaciones Científicas (CSIC), 1996
http://creativecommons.org/licenses/by-nc/3.0/es
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