[OANNES Foro] Global Seabird Response to Forage Fish Depletion—One-Third for the Birds

[Liliana Ayala]

Global Seabird Response to Forage Fish Depletion—One-Third for the Birds

   1. Philippe M.
Cury<http://www.sciencemag.org/search?author1=Philippe+M.+Cury&sortspec=date&submit=Submit>
   1 <http://www.sciencemag.org/content/334/6063/1703.short#aff-1>,*<http://www.sciencemag.org/content/334/6063/1703.short#corresp-1>
   ,
   2. Ian L. Boyd<http://www.sciencemag.org/search?author1=Ian+L.+Boyd&sortspec=date&submit=Submit>
   2 <http://www.sciencemag.org/content/334/6063/1703.short#aff-2>,*<http://www.sciencemag.org/content/334/6063/1703.short#corresp-1>
   ,
   3. Sylvain Bonhommeau<http://www.sciencemag.org/search?author1=Sylvain+Bonhommeau&sortspec=date&submit=Submit>
   3 <http://www.sciencemag.org/content/334/6063/1703.short#aff-3>,
   4. Tycho Anker-Nilssen<http://www.sciencemag.org/search?author1=Tycho+Anker-Nilssen&sortspec=date&submit=Submit>
   4 <http://www.sciencemag.org/content/334/6063/1703.short#aff-4>,
   5. Robert J. M.
Crawford<http://www.sciencemag.org/search?author1=Robert+J.+M.+Crawford&sortspec=date&submit=Submit>
   5 <http://www.sciencemag.org/content/334/6063/1703.short#aff-5>,
   6. Robert W.
Furness<http://www.sciencemag.org/search?author1=Robert+W.+Furness&sortspec=date&submit=Submit>
   6 <http://www.sciencemag.org/content/334/6063/1703.short#aff-6>,
   7. James A. Mills<http://www.sciencemag.org/search?author1=James+A.+Mills&sortspec=date&submit=Submit>
   7 <http://www.sciencemag.org/content/334/6063/1703.short#aff-7>,
   8. Eugene J.
Murphy<http://www.sciencemag.org/search?author1=Eugene+J.+Murphy&sortspec=date&submit=Submit>
   8 <http://www.sciencemag.org/content/334/6063/1703.short#aff-8>,
   9. Henrik Österblom<http://www.sciencemag.org/search?author1=Henrik+%C3%96sterblom&sortspec=date&submit=Submit>
   9 <http://www.sciencemag.org/content/334/6063/1703.short#aff-9>,
   10. Michelle
Paleczny<http://www.sciencemag.org/search?author1=Michelle+Paleczny&sortspec=date&submit=Submit>
   10 <http://www.sciencemag.org/content/334/6063/1703.short#aff-10>,
   11. John F. Piatt<http://www.sciencemag.org/search?author1=John+F.+Piatt&sortspec=date&submit=Submit>
   11 <http://www.sciencemag.org/content/334/6063/1703.short#aff-11>,
   12. Jean-Paul
Roux<http://www.sciencemag.org/search?author1=Jean-Paul+Roux&sortspec=date&submit=Submit>
   12 <http://www.sciencemag.org/content/334/6063/1703.short#aff-12>,13<http://www.sciencemag.org/content/334/6063/1703.short#aff-13>
   ,
   13. Lynne Shannon<http://www.sciencemag.org/search?author1=Lynne+Shannon&sortspec=date&submit=Submit>
   14 <http://www.sciencemag.org/content/334/6063/1703.short#aff-14>,
   14. William J.
Sydeman<http://www.sciencemag.org/search?author1=William+J.+Sydeman&sortspec=date&submit=Submit>
   15 <http://www.sciencemag.org/content/334/6063/1703.short#aff-15>


Science 23 December 2011:
Vol. 334 no. 6063 pp. 1703-1706
DOI: 10.1126/science.1212928

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.
http://www.sciencemag.org/content/334/6063/1703.short
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