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A bio-economic analysis of long term changes in the production of French fishing fleets operating in the Bay of Biscay ArchiMer
Steinmetz, Fabien; Thebaud, Olivier; Blanchard, Fabian; Le Floc H, Pascal; Bihel, J.
Selective fishing pressure on more highly valued marine living resources is one of the key factors proposed to explain changes occurring in fish communities and associated landings of commercial fisheries. The aim of this paper is to establish the nature of changes in the landings of French fishing fleets operating in the Bay of Biscay in the period 1973-2002, and whether these changes could be related to the relative economic attractiveness of different fish species. The analysis focuses on trends observed in the landings of all commercial fish species over the last three decades. It is based on data of annual quantities landed and ex-vessel prices compiled from official French landings records, and on bio-geographical descriptors of these species derived...
Tipo: Text Palavras-chave: North Eastern Atlantic; Bay of Biscay; Long term changes; Bio economic analysis; French fisheries production.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/publication-5926.pdf
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Analyzing the market position of fish species subject to the impact of long-term changes: a case study of French fisheries in the Bay of Biscay ArchiMer
Le Floc' H, P; Poulard, Jean-charles; Thebaud, Olivier; Blanchard, Fabian; Bihel, J; Steinmetz, Fabien.
Market position and its evolution were analysed in nine key fish and cephalopod species subject to long-term changes, using the Bay of Biscay fisheries as a case study. Although such long term changes have already been documented, and in some cases shown to be related to the impacts of fishing, changes in the physical environment, or both, relatively little work has been devoted to their potential consequences in economic terms. The nature and extent of these consequences was determined in the present study by looking at the composition of the affected fish production, and the status of different fish products on the markets. We propose a methodology to characterize market position for this set of nine species. The selected species represent a significant...
Tipo: Text Palavras-chave: Atlantic Ocean; Fish market; Macro economic aggregates; Environmental change.
Ano: 2008 URL: http://archimer.ifremer.fr/doc/2008/publication-4716.pdf
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Les déterminants de la trajectoire économique d'une pêcherie complexe : cas de la pêche française dans le golfe de Gascogne ArchiMer
Steinmetz, Fabien.
The average trophic level of the landings of the species landed by the french fleets in the Bay of Biscay is dropping since 30 years, according to the worldwide range observations of Daniel Pauly. The effects of the ecosystemic, institutional and economic factors of this drop are studied with two complementary approaches, a time series analysis and the interpretation of the phenomenons thanks to a bio-economic model. The major factors which could interact with the exploitation from 1973 to nowadays have been analysed. The short term study of the productions and the productivity of tree large trawler fleets from south brittany showed that they adapted according to their specificities to the constraints enforced by the stocks or the prices. At the larger...
Tipo: Text Palavras-chave: Economie des ressources naturelles renouvelables; Modélisation bioéconomique; Théorie du producteur et du consommateur; Approche éco-systémique; Théorie des indices; Analyse de données; Chaîne trophique; Pêche fraîche française; Golfe de Gascogne.
Ano: 2010 URL: http://archimer.ifremer.fr/doc/00032/14278/11560.pdf
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