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On The Influence Of Environmental Factors On Harvest: The French Guiana Shrimp Fishery Paradox

  • Nicolas Sanz

    (CEREGMIA, Université des Antilles et de la Guyane)

  • Bassirou Diop

    (CEREGMIA, Université des Antilles et de la Guyane)

  • Fabian Blanchard

    (Ifremer, Unité Biodiversité Halieutique de Guyane)

  • Luis Lampert

    (Ifremer, Unité Biodiversité Halieutique de Guyane)

The purpose of this paper is to investigate the environmental nature of the French Guiana shrimp fishery dynamics through an empirical analysis. In order to do so, we specify a global harvest production function, in which output depends on the number of days at sea and the stock level. In addition, we use some environmental variables representing the "El Niño" and "la Niña" phenomena, the sea surface temperature, and the flow of some amazonian rivers as instruments. This method enables us to correct the well known simultaneaous bias between the harvest and the stock levels and to show that harvest is significantly dependant on the environmental factors analyzed, which may compromise the future of the French Guiana shrimp fishery in the context of climate change.

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File URL: http://www2.univ-ag.fr/RePEc/DT/DT2013-04_Sanz_al.pdf
File Function: First version, 2013
Download Restriction: no

Paper provided by CEREGMIA, Université des Antilles et de la Guyane in its series Documents de Travail with number 2013-04.

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Length: 18 pages
Date of creation: Feb 2013
Date of revision:
Handle: RePEc:crg:wpaper:dt2013-04
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  1. Julio Peña & Claudio Agostini & Sebastián Vergara, 2007. "Fish stock endogeneity in a harvest function: ‘El Niño’ effects on the Chilean jack mackerel fishery," Revista de Analisis Economico – Economic Analysis Review, Ilades-Georgetown University, Universidad Alberto Hurtado/School of Economics and Bussines, vol. 22(2), pages 75-99, December.
  2. Trond Bjørndal & Daniel V. Gordon, 1993. "The Opportunity Cost of Capital and Optimal Vessel Size in the Norwegian Fishing Fleet," Land Economics, University of Wisconsin Press, vol. 69(1), pages 98-107.
  3. Trond Bjørndal, 1989. "Production in a Schooling Fishery: The Case of the North Sea Herring Fishery," Land Economics, University of Wisconsin Press, vol. 65(1), pages 49-56.
  4. Trond Bjørndal & Jon M. Conrad & Kjell G. Salvanes, 1993. "Stock Size, Harvesting Costs, and the Potential for Extinction: The Case of Sealing," Land Economics, University of Wisconsin Press, vol. 69(2), pages 156-167.
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