Document Detail

Global seabird response to forage fish depletion--one-third for the birds.
MedLine Citation:
PMID:  22194577     Owner:  NLM     Status:  In-Process    
Determining the form of key predator-prey relationships is critical for understanding marine ecosystem dynamics. Using a comprehensive global database, we quantified the effect of fluctuations in food abundance on seabird breeding success. We identified a threshold in prey (fish and krill, termed "forage fish") abundance below which seabirds experience consistently reduced and more variable productivity. This response was common to all seven ecosystems and 14 bird species examined within the Atlantic, Pacific, and Southern Oceans. The threshold approximated one-third of the maximum prey biomass observed in long-term studies. This provides an indicator of the minimal forage fish biomass needed to sustain seabird productivity over the long term.
Philippe M Cury; Ian L Boyd; Sylvain Bonhommeau; Tycho Anker-Nilssen; Robert J M Crawford; Robert W Furness; James A Mills; Eugene J Murphy; Henrik Osterblom; Michelle Paleczny; John F Piatt; Jean-Paul Roux; Lynne Shannon; William J Sydeman
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Science (New York, N.Y.)     Volume:  334     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2011 Dec 
Date Detail:
Created Date:  2011-12-23     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1703-6     Citation Subset:  IM    
Institut de Recherche pour le Développement, UMR EME-212, Centre de Recherche Halieutique Méditerranéenne et Tropicale, Avenue Jean Monnet, Sète Cedex, France.
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