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HERO ID
7872885
Reference Type
Journal Article
Title
Accelerating impacts of temperature-induced coral bleaching in the Caribbean
Author(s)
Mcwilliams, JP; Cote, IM; Gill, JA; Sutherland, WJ; Watkinson, AR
Year
2005
Is Peer Reviewed?
Yes
Journal
Ecology
ISSN:
0012-9658
EISSN:
1920-2005
Volume
86
Issue
8
Page Numbers
2055-2060
DOI
10.1890/04-1657
Web of Science Id
WOS:000231075400011
Abstract
Coral bleaching is a stress-related response that can be triggered by elevated sea surface temperatures (SST). Recent increases in the frequency of coral bleaching have led to concerns that increases in marine temperatures may threaten entire coral reef regions. We report exponential increases in the geographical extent and intensity of coral bleaching in the Caribbean with increasing SST anomalies. A rise in regional SST of 0.1 degrees C results in 35% and 42% increases in the geographic extent and intensity of coral bleaching, respectively. Maximum bleaching extent and intensity are predicted to occur at regional SST anomalies of less than + 1 degrees C, which coincides with the most conservative projections for warming in the Caribbean by the end of the 21st century. Coral bleaching is therefore likely to become a chronic source of stress for Caribbean reefs in the near future.
Keywords
Caribbean; climate change; coral bleaching; sea surface temperature; thermal stress
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