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Worm_et_al_2006

Worm_et_al_2006 - Impacts of Biodiversity Loss on Ocean...

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DOI: 10.1126/science.1132294 , 787 (2006); 314 Science et al. Boris Worm, Services Impacts of Biodiversity Loss on Ocean Ecosystem www.sciencemag.org (this information is current as of December 29, 2007 ): The following resources related to this article are available online at http://www.sciencemag.org/cgi/content/full/314/5800/787 version of this article at: including high-resolution figures, can be found in the online Updated information and services, http://www.sciencemag.org/cgi/content/full/314/5800/787/DC1 can be found at: Supporting Online Material found at: can be related to this article A list of selected additional articles on the Science Web sites http://www.sciencemag.org/cgi/content/full/314/5800/787#related-content http://www.sciencemag.org/cgi/content/full/314/5800/787#otherarticles , 13 of which can be accessed for free: cites 23 articles This article 41 article(s) on the ISI Web of Science. cited by This article has been http://www.sciencemag.org/cgi/content/full/314/5800/787#otherarticles 7 articles hosted by HighWire Press; see: cited by This article has been http://www.sciencemag.org/cgi/collection/ecology Ecology : subject collections This article appears in the following http://www.sciencemag.org/about/permissions.dtl in whole or in part can be found at: this article permission to reproduce of this article or about obtaining reprints Information about obtaining registered trademark of AAAS. is a Science 2006 by the American Association for the Advancement of Science; all rights reserved. The title Copyright American Association for the Advancement of Science, 1200 New York Avenue NW, Washington, DC 20005. (print ISSN 0036-8075; online ISSN 1095-9203) is published weekly, except the last week in December, by the Science on December 29, 2007 www.sciencemag.org Downloaded from
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Impacts of Biodiversity Loss on Ocean Ecosystem Services Boris Worm, 1 * Edward B. Barbier, 2 Nicola Beaumont, 3 J. Emmett Duffy, 4 Carl Folke, 5,6 Benjamin S. Halpern, 7 Jeremy B. C. Jackson, 8,9 Heike K. Lotze, 1 Fiorenza Micheli, 10 Stephen R. Palumbi, 10 Enric Sala, 8 Kimberley A. Selkoe, 7 John J. Stachowicz, 11 Reg Watson 12 Human-dominated marine ecosystems are experiencing accelerating loss of populations and species, with largely unknown consequences. We analyzed local experiments, long-term regional time series, and global fisheries data to test how biodiversity loss affects marine ecosystem services across temporal and spatial scales. Overall, rates of resource collapse increased and recovery potential, stability, and water quality decreased exponentially with declining diversity. Restoration of biodiversity, in contrast, increased productivity fourfold and decreased variability by 21%, on average. We conclude that marine biodiversity loss is increasingly impairing the ocean's capacity to provide food, maintain water quality, and recover from perturbations. Yet available data suggest that at this point, these trends are still reversible.
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