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Managing mixed fisheries for bio-economic viability

Author

Listed:
  • Sophie Gourguet

    (AMURE - Aménagement des Usages des Ressources et des Espaces marins et littoraux - Centre de droit et d'économie de la mer - IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer - UBO - Université de Brest - IUEM - Institut Universitaire Européen de la Mer - IRD - Institut de Recherche pour le Développement - INSU - CNRS - Institut national des sciences de l'Univers - UBO - Université de Brest - CNRS - Centre National de la Recherche Scientifique - CNRS - Centre National de la Recherche Scientifique)

  • Claire Macher

    (AMURE - Aménagement des Usages des Ressources et des Espaces marins et littoraux - Centre de droit et d'économie de la mer - IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer - UBO - Université de Brest - IUEM - Institut Universitaire Européen de la Mer - IRD - Institut de Recherche pour le Développement - INSU - CNRS - Institut national des sciences de l'Univers - UBO - Université de Brest - CNRS - Centre National de la Recherche Scientifique - CNRS - Centre National de la Recherche Scientifique)

  • Luc Doyen

    (CERSP - Conservation des espèces, Restauration et Suivi des Populations - MNHN - Muséum national d'Histoire naturelle - UPMC - Université Pierre et Marie Curie - Paris 6 - CNRS - Centre National de la Recherche Scientifique)

  • Olivier Thébaud

    (AMURE - Aménagement des Usages des Ressources et des Espaces marins et littoraux - Centre de droit et d'économie de la mer - IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer - UBO - Université de Brest - IUEM - Institut Universitaire Européen de la Mer - IRD - Institut de Recherche pour le Développement - INSU - CNRS - Institut national des sciences de l'Univers - UBO - Université de Brest - CNRS - Centre National de la Recherche Scientifique - CNRS - Centre National de la Recherche Scientifique, CSIRO - Commonwealth Scientific and Industrial Research Organisation [Canberra])

  • M. Bertignac

    (STH - Unité Sciences et Technologies Halieutiques - IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer)

  • Olivier Guyader

    (AMURE - Aménagement des Usages des Ressources et des Espaces marins et littoraux - Centre de droit et d'économie de la mer - IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer - UBO - Université de Brest - IUEM - Institut Universitaire Européen de la Mer - IRD - Institut de Recherche pour le Développement - INSU - CNRS - Institut national des sciences de l'Univers - UBO - Université de Brest - CNRS - Centre National de la Recherche Scientifique - CNRS - Centre National de la Recherche Scientifique)

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.

Suggested Citation

  • Sophie Gourguet & Claire Macher & Luc Doyen & Olivier Thébaud & M. Bertignac & Olivier Guyader, 2013. "Managing mixed fisheries for bio-economic viability," Post-Print hal-00835634, HAL.
    • Handle: RePEc:hal:journl:hal-00835634
    DOI: 10.1016/j.fishres.2012.12.005
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    Citations

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    Cited by:

    1. Adrien Lagarde & Abdoul Ahad-Cissé & Sophie Gourguet & Olivier Le Pape & Olivier Thébaud & Nathalie Caill-Milly & Gilles Morandeau & Claire Macher & Luc Doyen, 2017. "How MMEY mitigates bio-economic impacts of climate change on mixed fisheries," Cahiers du GREThA (2007-2019) 2017-22, Groupe de Recherche en Economie Théorique et Appliquée (GREThA).
    2. Michel de Lara & Vincent Martinet & Luc Doyen, 2015. "Satisficing versus optimality: criteria for sustainability," Post-Print hal-01123050, HAL.
    3. Cissé, A.A. & Doyen, L. & Blanchard, F. & Béné, C. & Péreau, J.-C., 2015. "Ecoviability for small-scale fisheries in the context of food security constraints," Ecological Economics, Elsevier, vol. 119(C), pages 39-52.
    4. Helene Gomes & Luc Doyen & Fabian Blanchard & Adrien Lagarde, 2021. "Viable and ecosystem-based management for tropical small-scale fisheries facing climate change," Bordeaux Economics Working Papers 2021-24, Bordeaux School of Economics (BSE).
    5. Gourguet, S. & Thébaud, O. & Dichmont, C. & Jennings, S. & Little, L.R. & Pascoe, S. & Deng, R.A. & Doyen, L., 2014. "Risk versus economic performance in a mixed fishery," Ecological Economics, Elsevier, vol. 99(C), pages 110-120.
    6. Golubtsov, Peter & Steinshamn, Stein Ivar, 2019. "Analytical and numerical investigation of optimal harvest with a continuously age-structured model," Ecological Modelling, Elsevier, vol. 392(C), pages 67-81.
    7. Sean Pascoe & Roy Aijun Deng & Trevor Hutton & Denham Parker, 2023. "Determining the Appropriate Minimum Effort Levels for Use in Fisheries Dynamic Bioeconomic Models," Sustainability, MDPI, vol. 15(24), pages 1-15, December.
    8. Lagarde, A. & Doyen, L. & Ahad-Cissé, A. & Caill-Milly, N. & Gourguet, S. & Pape, O. Le & Macher, C. & Morandeau, G. & Thébaud, O., 2018. "How Does MMEY Mitigate the Bioeconomic Effects of Climate Change for Mixed Fisheries," Ecological Economics, Elsevier, vol. 154(C), pages 317-332.
    9. Da Rocha, José María & García-Cutrín, Javier & Gutiérrez Huerta, María José & Touza, Julia, 2015. "Reconciling yield stability with international fisheries agencies precautionary preferences: the role of non constant discount factors in age structured models," DFAEII Working Papers 1988-088X, University of the Basque Country - Department of Foundations of Economic Analysis II.
    10. Jean-Pierre Aubin & Luxi Chen & Marie-Hélène Durand, 2013. "Dynamic decentralization of harvesting constraints in the management of tychastic evolution of renewable resources," Computational Management Science, Springer, vol. 10(4), pages 281-298, December.
    11. Schuhbauer, Anna & Sumaila, U. Rashid, 2016. "Economic viability and small-scale fisheries — A review," Ecological Economics, Elsevier, vol. 124(C), pages 69-75.
    12. Cooper, Rachel & Jarre, Astrid, 2017. "An Agent-based Model of the South African Offshore Hake Trawl Industry: Part I Model Description and Validation," Ecological Economics, Elsevier, vol. 142(C), pages 268-281.

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