Collapse and Conservation of Shark Populations in the Northwest Atlantic

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ID: 112593
2003
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Abstract
Overexploitation threatens the future of many large vertebrates. In the ocean, tunas and sea turtles are current conservation concerns because of this intense pressure. The status of most shark species, in contrast, remains uncertain. Using the largest data set in the Northwest Atlantic, we show rapid large declines in large coastal and oceanic shark populations. Scalloped hammerhead, white, and thresher sharks are each estimated to have declined by over 75% in the past 15 years. Closed-area models highlight priority areas for shark conservation, and the need to consider effort reallocation and site selection if marine reserves are to benefit multiple threatened species.
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Authors Julia K. Baum;Ransom A. Myers;Daniel G. Kehler;Boris Worm;Shelton J. Harley;Penny A. Doherty;Julia K. Baum;Ransom A. Myers;Daniel G. Kehler;Boris Worm;Shelton J. Harley;Penny A. Doherty;
Journal Science
Year 2003
DOI
10.1126/science.1079777
URL
https://dx.doi.org/10.1126/science.1079777
Keywords
National Center for Biotechnology Information NCBI NLM MEDLINE animals pubmed abstract nih national institutes of health national library of medicine models statistical research support non-u.s. gov't u.s. gov't non-p.h.s. likelihood functions conservation of natural resources* ecosystem* fishes atlantic ocean pmid:12532016 doi:10.1126/science.1079777 julia k baum ransom a myers penny a doherty population density sharks*

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