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Controlling the Biological Invasion of a Commercial Fishery by a Space Competitor: A Bioeconomic Model with Reference to the Bay of St-Brieuc Scallop Fishery

Published online by Cambridge University Press:  15 September 2016

Marjolaine Frésard  and
Jean Boncoeur
Marjolaine Frésard
Affiliation:
Center of Law and Economics of the Sea at the University of Western Brittany in Brest, France
Jean Boncoeur
Affiliation:
Center of Law and Economics of the Sea at the University of Western Brittany in Brest, France
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Abstract

This paper presents a bioeconomic model of a commercial fishery facing biological invasion by an alien species acting as a space competitor for the native species. The model is illustrated in a case study of the common scallop fishery of the Bay of St-Brieuc (France), where biological invasion by a slipper-limpet (Crepidula fornicata) is now addressed by a control program. First we present the model, which combines the dynamics of the two competing stocks. We then use the model to analyze the equilibrium of the fishery under various assumptions concerning invasive species control, and to assess the social cost of the invasion. Finally we propose a set of dynamic simulations concerning the ongoing program, emphasizing the influence of its starting date on its overall economic results.

Keywords

aquatic invasive speciesbiological invasion controlcommon scallopecosystemic fisheries managementplurispecies bioeconomic modelingslipper-limpet
Type
Contributed Papers
Information
Agricultural and Resource Economics Review , Volume 35 , Issue 1 , April 2006 , pp. 78 - 97
Copyright
Copyright © 2006 Northeastern Agricultural and Resource Economics Association 

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