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A bio-economic model for the ecosystem-based management of the coastal fishery in French Guiana

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  • Abdoul CISSE (IFREMER-Guyane et CEREGMIA, UAG)
  • Sophie GOURGUET (IFREMER, UMR AMURE et CNRS-CERSP-MNHN)
  • Luc DOYEN (CNRS-CERSP-MNHN)
  • Fabian BLANCHARD (IFREMER-Guyane)
  • Jean-Christophe PEREAU (GREThA, CNRS, UMR 5113, Université de Bordeaux)

Abstract

This paper offers a theoretical and empirical modeling for ecosystem-based fishery management (EBFM). A multi-species and multi-fleets model integrating Lokta-Volterra trophic dynamics and profit functions is developed for the coastal fishery of French Guiana. This small-case fishery constitutes a challenging example with high fish biodiversity, several non selective fleets and a potentially increasing local food demand due to demographic pressure. The dynamic model is calibrated with thirteen species and four fleets using catch and effort data on a monthly basis from 2006 to 2009. Several contrasting fishing scenarios including status quo, total closure, economic and viable strategies are simulated and compared from both biodiversity preservation and socio-economic performance viewpoints. We show that fishing outputs including food supply and profitability of fleets can be sustained although a significant loss of biodiversity cannot be avoided.

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File URL: http://cahiersdugretha.u-bordeaux4.fr/2011/2011-38.pdf
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Bibliographic Info

Paper provided by Groupe de Recherche en Economie Théorique et Appliquée in its series Cahiers du GREThA with number 2011-38.

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Date of creation: 2011
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Handle: RePEc:grt:wpegrt:2011-38

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Keywords: Small-scale fishery; biodiversity; sustainability; profitability; food security; multi-species; multi-fleets;

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  1. Béné, C. & Doyen, L., 2008. "Contribution values of biodiversity to ecosystem performances: A viability perspective," Ecological Economics, Elsevier, vol. 68(1-2), pages 14-23, December.
  2. Martinet, V. & Doyen, L., 2007. "Sustainability of an economy with an exhaustible resource: A viable control approach," Resource and Energy Economics, Elsevier, vol. 29(1), pages 17-39, January.
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Cited by:
  1. L. Doyen & A. Cissé & S. Gourguet & L. Mouysset & P.-Y. Hardy & C. Béné & F. Blanchard & F. Jiguet & J.-C. Pereau & O. Thébaud, 2013. "Ecological-economic modelling for the sustainable management of biodiversity," Computational Management Science, Springer, vol. 10(4), pages 353-364, December.

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