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Can catch shares prevent fisheries collapse?

Science (New York, N.Y.)

Regression Analysis, Population Dynamics, Motivation, Humans, Fishes, statistics & numerical data, methods, economics, Fisheries, Ecosystem, Databases, Factual, Biodiversity, Animals

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      Recent reports suggest that most of the world's commercial fisheries could collapse within decades. Although poor fisheries governance is often implicated, evaluation of solutions remains rare. Bioeconomic theory and case studies suggest that rights-based catch shares can provide individual incentives for sustainable harvest that is less prone to collapse. To test whether catch-share fishery reforms achieve these hypothetical benefits, we have compiled a global database of fisheries institutions and catch statistics in 11,135 fisheries from 1950 to 2003. Implementation of catch shares halts, and even reverses, the global trend toward widespread collapse. Institutional change has the potential for greatly altering the future of global fisheries.

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