Document Detail

Preindustrial to modern interdecadal variability in coral reef pH.
MedLine Citation:
PMID:  16195458     Owner:  NLM     Status:  MEDLINE    
The oceans are becoming more acidic due to absorption of anthropogenic carbon dioxide from the atmosphere. The impact of ocean acidification on marine ecosystems is unclear, but it will likely depend on species adaptability and the rate of change of seawater pH relative to its natural variability. To constrain the natural variability in reef-water pH, we measured boron isotopic compositions in a approximately 300-year-old massive Porites coral from the southwestern Pacific. Large variations in pH are found over approximately 50-year cycles that covary with the Interdecadal Pacific Oscillation of ocean-atmosphere anomalies, suggesting that natural pH cycles can modulate the impact of ocean acidification on coral reef ecosystems.
Carles Pelejero; Eva Calvo; Malcolm T McCulloch; John F Marshall; Michael K Gagan; Janice M Lough; Bradley N Opdyke
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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:  309     ISSN:  1095-9203     ISO Abbreviation:  Science     Publication Date:  2005 Sep 
Date Detail:
Created Date:  2005-09-30     Completed Date:  2005-10-07     Revised Date:  2007-03-19    
Medline Journal Info:
Nlm Unique ID:  0404511     Medline TA:  Science     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2204-7     Citation Subset:  IM    
Research School of Earth Sciences, Australian National University, Canberra, ACT 0200, Australia.
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MeSH Terms
Anthozoa / chemistry,  physiology*
Boron / analysis
Carbon Dioxide / analysis
Hydrogen-Ion Concentration
Isotopes / analysis
Pacific Ocean
Time Factors
Reg. No./Substance:
0/Isotopes; 124-38-9/Carbon Dioxide; 7440-42-8/Boron
Comment In:
Science. 2006 Oct 27;314(5799):595   [PMID:  17068245 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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