Document Detail

Climate-driven basin-scale decadal oscillations of oceanic phytoplankton.
MedLine Citation:
PMID:  19965473     Owner:  NLM     Status:  MEDLINE    
Phytoplankton--the microalgae that populate the upper lit layers of the ocean--fuel the oceanic food web and affect oceanic and atmospheric carbon dioxide levels through photosynthetic carbon fixation. Here, we show that multidecadal changes in global phytoplankton abundances are related to basin-scale oscillations of the physical ocean, specifically the Pacific Decadal Oscillation and the Atlantic Multidecadal Oscillation. This relationship is revealed in approximately 20 years of satellite observations of chlorophyll and sea surface temperature. Interaction between the main pycnocline and the upper ocean seasonal mixed layer is one mechanism behind this correlation. Our findings provide a context for the interpretation of contemporary changes in global phytoplankton and should improve predictions of their future evolution with climate change.
Elodie Martinez; David Antoine; Fabrizio D'Ortenzio; Bernard Gentili
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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:  326     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2009 Nov 
Date Detail:
Created Date:  2009-12-07     Completed Date:  2009-12-31     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1253-6     Citation Subset:  IM    
UPMC University of Paris 06, UMR 7093, Laboratoire d'Oc??anographie de Villefranche (LOV), 06230 Villefranche-sur-Mer, France.
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MeSH Terms
Atlantic Ocean
Chlorophyll / analysis*
Global Warming
Indian Ocean
Oceans and Seas
Pacific Ocean
Phytoplankton / physiology*
Population Dynamics
Seawater* / chemistry
Time Factors
Reg. No./Substance:

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