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

Abdoul Cisse, Sophie Gourguet, Luc Doyen (), Fabian Blanchard and Jean-Christophe Pereau

Cahiers du GREThA (2007-2019) from Groupe de Recherche en Economie Théorique et Appliquée (GREThA)

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.

Keywords: Small-scale fishery; biodiversity; sustainability; profitability; food security; multi-species; multi-fleets (search for similar items in EconPapers)
JEL-codes: Q22 Q56 (search for similar items in EconPapers)
Date: 2011
New Economics Papers: this item is included in nep-agr and nep-env
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Related works:
Journal Article: A bio-economic model for the ecosystem-based management of the coastal fishery in French Guiana (2013) Downloads
Working Paper: A bio-economic model for the ecosystem-based management of the coastal fishery in French Guiana (2013)
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Persistent link: https://EconPapers.repec.org/RePEc:grt:wpegrt:2011-38

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