Electronic tagging and population structure of Atlantic bluefin tuna

Barbara A. Block (), Steven L. H. Teo, Andreas Walli, Andre Boustany, Michael J. W. Stokesbury, Charles J. Farwell, Kevin C. Weng, Heidi Dewar and Thomas D. Williams
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Barbara A. Block: Stanford University
Steven L. H. Teo: Stanford University
Andreas Walli: Stanford University
Andre Boustany: Stanford University
Michael J. W. Stokesbury: Stanford University
Charles J. Farwell: Monterey Bay Aquarium
Kevin C. Weng: Stanford University
Heidi Dewar: Stanford University
Thomas D. Williams: Monterey Bay Aquarium

Nature, 2005, vol. 434, issue 7037, 1121-1127

Abstract: Bluefin tuna in decline The Atlantic bluefin tuna is at the centre of an international debate in fisheries conservation. Last summer the western Atlantic bluefin tuna fishery collapsed and some conservationists say it will not recover unless the International Commission for Conservation of Atlantic Tunas adopts a tougher regime. Results from an electronic tagging programme on bluefin tuna are presented this week, and they make alarming reading. Western tagged bluefin tuna are shown to migrate freely across the international stock boundary into the eastern Atlantic, where they are vulnerable to European fisheries; and both known spawning grounds, in the Gulf of Mexico and the Mediterranean Sea, are shown to be linked to the endangered western Atlantic fishery.

Date: 2005
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DOI: 10.1038/nature03463

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