Managing mixed fisheries for bio-economic viability
| Type | Article | ||||||||||||
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| Date | 2013-02 | ||||||||||||
| Language | English | ||||||||||||
| Author(s) | Gourguet S.1, 2, 3, Macher Claire 2, Doyen L.1, Thebaud Olivier2, 3, Bertignac Michel4, Guyader Olivier2 |
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| Affiliation(s) | 1 : CERSP UMR 7204, CNRS MNHN, F-75005 Paris, France. 2 : IFREMER, UMR AMURE, Dept Econ Maritime, F-29280 Plouzane, France. 3 : CSIRO, Marine & Atmospher Res, Ecosci Precinct, Dutton Park, Qld 4102, Australia. 4 : IFREMER, Dept Sci & Technol Halieut, Lab Biol Pecheries, F-29280 Plouzane, France. |
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| Source | Fisheries Research (0165-7836) (Elsevier Science Bv), 2013-02 , Vol. 140 , P. 46-62 | ||||||||||||
| DOI | 10.1016/j.fishres.2012.12.005 | ||||||||||||
| WOS© Times Cited | 37 | ||||||||||||
| Keyword(s) | Bay of Biscay, Bio-economic model, Co-viability, Fisheries, Uncertainty | ||||||||||||
| Abstract | Management of fisheries for sustainability requires dealing with multiple and often conflicting objectives. A stochastic viability approach is proposed to address the trade-offs associated with balancing ecological, economic and social objectives in regulating mixed fisheries, taking into account the complexity and uncertainty of the dynamic interactions which characterize such fisheries. We focus on the demersal fishery in the Bay of Biscay and more specifically on the fleets harvesting Norway Lobster (Nephrops norvegicus), Hake (Merluccius merluccius) and Sole (Solea solea). A bio-economic multi-species and multi-fleet model with technical interactions is developed to examine the trade-offs between preserving Spawning Stock Biomass (SSB) of every species and maintaining the economic profitability of the various fishing fleets. Different management strategies are tested and compared. Results suggest that ensuring viability of this demersal fishery requires a significant decrease in fishing capacity as compared to the reference year. The simulations allow comparing the trade-offs associated with different allocations of this decrease across fleets. | ||||||||||||
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