Is international management of tuna necessary?

Ray Hilborn and John Sibert

Marine Policy, 1988, vol. 12, issue 1, 31-39

Abstract: Movements of skipjack and yellowfin tuna are reassessed in this article and it is shown that long-distance movements are the exception rather than the rule for these species and that for countries with large economic zones, stocks may be considered resident. Under current economic conditions, unregulated fisheries will not over-exploit skipjack tuna nor seriously overexploit yellowfin. International cooperation in regulating harvests is probably not required for these two species, particularly where economic zones are large. However, international cooperation in the research and collection of catch statistics is necessary since it will be quite difficult for an individual country to evaluate trends in the fishery.

Date: 1988
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