A simple bioeconomic model of a marine reserve

We model the effect of a no-take reserve in a marine fishery management area, such as on a coral reef. Implicitly, eggs and larvae are mobile but adults are not; and there is open access fishing outside the reserve. A reserve is found to increase equilibrium catch if the prior ratio of stock to carr...

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Bibliographic Details
Published in:Ecological economics 2000-04, Vol.33 (1), p.77-91
Main Authors: Pezzey, John C.V, Roberts, Callum M, Urdal, Bjorn T
Format: Article
Language:English
Subjects:
Bioeconomic equilibrium
Coral reefs
Equilibrium
Fisheries
Fishery management
Fishing
Marine resources
Nature reserves
No-take marine reserves
Open access fishing
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Summary:We model the effect of a no-take reserve in a marine fishery management area, such as on a coral reef. Implicitly, eggs and larvae are mobile but adults are not; and there is open access fishing outside the reserve. A reserve is found to increase equilibrium catch if the prior ratio of stock to carrying capacity is less than a half, and the catch-maximising reserve proportion rises towards a half as this ratio falls towards zero. After initial adjustment, long-run stability is improved by a reserve. We estimate that coral reef reserves could increase world wide annual catches by about a billion dollars.
ISSN:0921-8009
1873-6106
DOI:10.1016/S0921-8009(99)00129-9