Improving the performance of a Mediterranean demersal fishery toward economic objectives beyond MSY
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Autor/esMerino, G. (Gorka); Quetglas, A. (Antoni); Maynou, F. (Francesc); Garau, A. (Antoni); Arrizabalaga, H. (Haritz); Murua, H. (Hilario); Santiago, J. (Josu); Barange, M. (Manuel); Prellezo, R. (Raúl); García, D. (Dorleta); Lleonart, J. (Jordi); Tserpes, G. (Georges); Maravelias, C. (Christos); Carvalho, N. (Natacha); Austen, M. (Melanie); Fernandes, J.A. (Jose A.); Oliver, P. (Pere); Grau Jofre, A.M. (Antoni María)
Palabras claveEU fisheries
Mediterranean demersal fisheries are highly multispecific and many of their target stocks are overex-ploited. In addition, rocketing fuel costs and low market prices of traditionally high-value species arechallenging the viability of fisheries. Here, based on the numeric results of a simulation model, we con-clude that this situation can be remedied by reducing both fishing mortality and fishing costs. Accordingto our model results, fishing effort reductions of 48–71% would improve the health of fish stocks whileincreasing the economic profits of Mallorca islands bottom trawl fishery to as much as 1.9 MD (146%higher than current profits). If all fish stocks were exploited at their MSY (or below) level, the reductionin fishing effort would have to be of 71% from current values. If equilibrium profits from the fishery wereto be maximized (MEY), fishing effort would need to be reduced by 48%. These results must be takenwith caution due the many sources of uncertainty of our analysis. The ...
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