Document Detail

Requirement of water-flow for sustainable growth of Pocilloporid corals during high temperature periods.
MedLine Citation:
PMID:  16038946     Owner:  NLM     Status:  MEDLINE    
Reef-building corals are threatened worldwide by mass-scale coral bleaching episodes that are pronounced in high sea surface temperature (SST) conditions. Although water-flow has been suggested to be a mitigating factor for bleaching, long-term effects of flow-mediated bleaching suppression are as yet not fully understood. In order to investigate flow effects, we monitored the corals Pocillopora damicornis and Stylophora pistillata grown for 20 months in experimental outdoor flumes with the flow rates of 20 cms(-1) (flow) and <3 cms(-1) (still). Although bleaching was observed under high SST conditions, both species showed a shorter period or entirely no visible bleaching under the flow conditions. Better colony growth was found in the flow conditions whereas significant growth suppression and higher mortality were observed in still conditions. We conclude that water-flow is an essential environmental factor for the corals P. damicornis and S. pistillata, especially under high SST conditions.
T Nakamura; H Yamasaki
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2005-07-20
Journal Detail:
Title:  Marine pollution bulletin     Volume:  50     ISSN:  0025-326X     ISO Abbreviation:  Mar. Pollut. Bull.     Publication Date:  2005 Oct 
Date Detail:
Created Date:  2005-10-03     Completed Date:  2006-06-05     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0260231     Medline TA:  Mar Pollut Bull     Country:  England    
Other Details:
Languages:  eng     Pagination:  1115-20     Citation Subset:  IM    
Center of Molecular Biosciences (COMB), University of the Ryukyus, Nishihara, Okinawa 903-0213, Japan.
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MeSH Terms
Analysis of Variance
Anthozoa / anatomy & histology,  growth & development*
Water Movements*

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

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