Cost-benefit analysis of a project concerning the management of an invasive species in a coastal fishery: the case of Crepidula fornicata in the Bay of Brest (France) Public Deposited

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  • This paper studies the economic consequences of the invasion of a coastal fishery (Bay of Brest) by an exotic species (Crepidula fornicata) which was accidentally imported some decades ago. This species is a space competitor for the main targeted species of the fishery (Pecten maximus), and its development is a threat to the sustainability of the restocking program which is operated in the bay. Facing this situation, the local fishers organization has elaborated a project intending to make the restocking program consistent with the presence of the invasive species in the fishery. The paper presents a model dealing with the social cost of the invasive process, and a methodology for a cost-benefit analysis of the fishers project. Based on provisional data, a numerical simulation is proposed as an illustration, and sensitivity tests concerning both biological and economic exogenous variables are presented.
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  • Fresard, Marjolaine, Jean Boncoeur. 2004. Cost-benefit analysis of a project concerning the management of an invasive species in a coastal fishery: the case of Crepidula fornicata in the Bay of Brest (France). Peer Review: No. In: Proceedings of the Twelfth Biennial Conference of the International Institute of Fisheries Economics & Trade, July 20-30, 2004, Tokyo, Japan: What are Responsible Fisheries? Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2004. CD ROM. ISBN 0-9763432-0-7
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