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Global warming and the collapse of the French Guiana shrimp fishery

Author

Listed:
  • Bassirou Diop

    (CEREGMIA - Centre de Recherche en Economie, Gestion, Modélisation et Informatique Appliquée - UAG - Université des Antilles et de la Guyane)

  • Nicolas Sanz

    (CEREGMIA - Centre de Recherche en Economie, Gestion, Modélisation et Informatique Appliquée - UAG - Université des Antilles et de la Guyane)

  • Yves Jamont Junior Duplan

    (CEREGMIA - Centre de Recherche en Economie, Gestion, Modélisation et Informatique Appliquée - UAG - Université des Antilles et de la Guyane)

  • Elhadji Mama Guene
  • Fabian Blanchard

    (BIODIVHAL - Unité Biodiversité Halieutique de Guyane - IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer)

  • Luc Doyen

    (GREThA - Groupe de Recherche en Economie Théorique et Appliquée - UB - Université de Bordeaux - CNRS - Centre National de la Recherche Scientifique)

  • Jean-Christophe Pereau

    (GREThA - Groupe de Recherche en Economie Théorique et Appliquée - UB - Université de Bordeaux - CNRS - Centre National de la Recherche Scientifique)

Abstract

This paper studies the biological and economic effects of global warming on the French Guiana shrimp fishery. The sea surface tem- perature is explicitly introduced into four natural growth functions, among which the Cobb-Douglas function best adjusts the available data. Besides, a Cobb-Douglas harvest function is also estimated, in- dicating that shrimp production in French Guiana is highly sensitive to the shrimp stock, which implies that global warming may have strong economic implications. We nally consider a centralized resource man- agement of the French Guiana shrimp shery, that is undertaken in various trend scenarios concerning the sea surface temperature. Un- der the most plausible scenario, in which the sea surface temperature follows the trend of the last decades, pro ts and biomass respectively decrease and collapse around the end of the 2020's.

Suggested Citation

  • Bassirou Diop & Nicolas Sanz & Yves Jamont Junior Duplan & Elhadji Mama Guene & Fabian Blanchard & Luc Doyen & Jean-Christophe Pereau, 2015. "Global warming and the collapse of the French Guiana shrimp fishery," Working Papers hal-01243305, HAL.
    • Handle: RePEc:hal:wpaper:hal-01243305
    Note: View the original document on HAL open archive server: https://hal.univ-antilles.fr/hal-01243305
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    References listed on IDEAS

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    1. Nicolas Sanz & Bassirou Diop & Fabian Blanchard & Luis Lampert, 2017. "On the influence of environmental factors on harvest: the French Guiana shrimp fishery paradox," Environmental Economics and Policy Studies, Springer;Society for Environmental Economics and Policy Studies - SEEPS, vol. 19(2), pages 233-247, April.
    2. Bjorndal, Trond, 1988. "The optimal management of North Sea Herring," Journal of Environmental Economics and Management, Elsevier, vol. 15(1), pages 9-29, March.
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    Keywords

    Temperature; Resource management; Climate change;
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