The management of the blue whiting fishery as complex social-ecological system: The Galician case |
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| Authors: | Sebastián Villasante |
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| Institution: | 1. Department of Applied Economics, Faculty of Economics and Business Administration, University of Santiago de Compostela, Av. Burgo das Nacións s/n, 15782, Santiago de Compostela, Spain;2. Karl-Göran Mäler Scholar, The Beijer International Institute of Ecological Economics, The Royal Swedish Academy of Sciences, P.O. Box 50005, SE-104 05, Stockholm, Sweden;3. Campus do Mar, International Campus of Excellence, Spain |
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| Abstract: | In Europe, 88% of fish stocks are being fished beyond Maximum Sustainable Yield and 30% of stocks are outside of biological limits. The blue whiting fishery is also following a consistent trend of a declining, and the EU recently adopted a 93% quota decrease for this species. Despite the abundant literature related to genetic aspects of population structure of aquatic resources, few studies have specifically addressed the link between fisheries management and population genetics. Given potential differences in the behavior of different subpopulations, population genetics has great relevance in the correct interpretation of the evolution of stocks. Ignoring the congruence of spatial scales between the population structure of fish species and management units can result in reduced productivity and local reduction of populations. |
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| Keywords: | Blue whiting fishery Complex social-ecological system Economic impact Galician coastal fisheries |
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