Document Detail

Ocean acidification accelerates reef bioerosion.
MedLine Citation:
PMID:  23028797     Owner:  NLM     Status:  MEDLINE    
In the recent discussion how biotic systems may react to ocean acidification caused by the rapid rise in carbon dioxide partial pressure (pCO(2)) in the marine realm, substantial research is devoted to calcifiers such as stony corals. The antagonistic process - biologically induced carbonate dissolution via bioerosion - has largely been neglected. Unlike skeletal growth, we expect bioerosion by chemical means to be facilitated in a high-CO(2) world. This study focuses on one of the most detrimental bioeroders, the sponge Cliona orientalis, which attacks and kills live corals on Australia's Great Barrier Reef. Experimental exposure to lowered and elevated levels of pCO(2) confirms a significant enforcement of the sponges' bioerosion capacity with increasing pCO(2) under more acidic conditions. Considering the substantial contribution of sponges to carbonate bioerosion, this finding implies that tropical reef ecosystems are facing the combined effects of weakened coral calcification and accelerated bioerosion, resulting in critical pressure on the dynamic balance between biogenic carbonate build-up and degradation.
Max Wisshak; Christine H L Schönberg; Armin Form; André Freiwald
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2012-09-18
Journal Detail:
Title:  PloS one     Volume:  7     ISSN:  1932-6203     ISO Abbreviation:  PLoS ONE     Publication Date:  2012  
Date Detail:
Created Date:  2012-10-02     Completed Date:  2013-02-26     Revised Date:  2013-07-11    
Medline Journal Info:
Nlm Unique ID:  101285081     Medline TA:  PLoS One     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e45124     Citation Subset:  IM    
Marine Research Department, SENCKENBERG am Meer, Wilhelmshaven, Germany.
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MeSH Terms
Acids / chemistry*
Carbonates / metabolism
Circadian Rhythm
Conservation of Natural Resources*
Coral Reefs*
Hydrogen-Ion Concentration
Oceans and Seas*
Porifera / physiology
Time Factors
Reg. No./Substance:
0/Acids; 0/Carbonates

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

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