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

Jean-Christophe Pereau, Sophie Gourguet (), Abdoul Cisse, Luc Doyen () and Fabian Blanchard ()
Additional contact information
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
Abdoul Cisse: CERAG [1985-2015] - Centre d'études et de recherches appliquées à la gestion [1985-2015] - CNRS - Centre National de la Recherche Scientifique - UPMF - Université Pierre Mendès France - Grenoble 2
Fabian Blanchard: Ifremer, Unité Biodiversité Halieutique de Guyane - Unité Biodiversité Halieutique de Guyane

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Abstract: This paper offers a theoretical and empirical model of ecosystem-based fishery management. A multi-species and multi-fleet model integrating Lotka–Volterra trophic dynamics as well as production and profit assessments is developed and applied to the coastal fishery of French Guiana. This small-scale fishery constitutes a challenging example with high fish biodiversity, several non-selective fleets and a potentially increasing local food demand due to demographic growth. The dynamic model is calibrated with 13 species and four fleets using monthly catch and effort data from 2006 to 2009. Several contrasted fishing scenarios including status quo, total closure, economic and viable strategies are then simulated. They are compared from the viewpoints of both biodiversity preservation and socioeconomic performance, assuming fixed landing prices and fixed costs. We show that fishing outputs, including food supply and fleet profitability, can be sustained on average but a loss of species cannot be avoided.

Keywords: Fishery management; Trophic dynamics; French Guiana; Coastal fishery; Non-selective fleets; Fishing scenarios (search for similar items in EconPapers)
Date: 2013
Note: View the original document on HAL open archive server: https://hal.archives-ouvertes.fr/hal-00799072
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Published in Environment and Development Economics, Cambridge University Press (CUP), 2013, à paraître. ⟨10.1017/S1355770X13000065⟩

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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 (2011) Downloads
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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-00799072

DOI: 10.1017/S1355770X13000065

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