Oyster farming value chains in light of sanitary hazards: the case of oyster farmers

Véronique Le Bihan (), Marie Catalo () and Jeanine Le Bihan
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Véronique Le Bihan: LEMNA - Laboratoire d'économie et de management de Nantes Atlantique - IEMN-IAE Nantes - Institut d'Économie et de Management de Nantes - Institut d'Administration des Entreprises - Nantes - UN - Université de Nantes
Marie Catalo: LEMNA - Laboratoire d'économie et de management de Nantes Atlantique - IEMN-IAE Nantes - Institut d'Économie et de Management de Nantes - Institut d'Administration des Entreprises - Nantes - UN - Université de Nantes
Jeanine Le Bihan: CERHIO - Centre de Recherches Historiques de l'Ouest - UM - Le Mans Université - UA - Université d'Angers - UBS - Université de Bretagne Sud - UR2 - Université de Rennes 2 - CNRS - Centre National de la Recherche Scientifique

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Abstract: Since the mid-2000s, the French oyster industry has faced hazards of various origins. The results of a field survey conducted under the " GIGASSAT " 1 ANR Agrobiosphere programme have highlighted productive changes in the oyster farming industry in the Bay of Bourgneuf and the Mor Braz area (Southern Brittany). Beyond this observation, one may wonder to what extent technological and biotechnological developments as well as environmental risks participate in the reorganization of production. In order to study this dynamics, we have relied on the theoretical concept of Porter's value chain (1986) in the context of a value chain analysis. The survey covered different topics such as the perception of oyster mortality causes, adaptation strategies in terms of supply, abandonment of offshore farming areas in favour of foreshore areas and economic performance in oyster farming. The analysis of oyster farmers' operational activities raises questions about the existence of various types of value chains at the beginning of the period of study, which should be seen in the context of technological innovation, natural advantages and interactions with other actors. The survey also shows that in a sanitary crisis context, some oyster farmers question the configuration of their value chain from a survival perspective, whereas others maintain it. This work contributes to the identification and characterization of the various trajectories adopted by farms within the same sector in the face of environmental changes.

Keywords: environmental risks; Porter’s value chain; adaptation strategies; shellfish farmers (search for similar items in EconPapers)
Date: 2018-01-11
New Economics Papers: this item is included in nep-agr and nep-env
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