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Preventing coral bleaching, one hurricane at a time
Author(s) -
Schultz Colin
Publication year - 2012
Publication title -
eos, transactions american geophysical union
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.316
H-Index - 86
eISSN - 2324-9250
pISSN - 0096-3941
DOI - 10.1029/2012eo050010
Subject(s) - coral bleaching , coral , reef , coral reef , oceanography , environmental science , ocean acidification , resilience of coral reefs , aquaculture of coral , ecology , fishery , climate change , geology , biology
In recent decades, sea surface temperatures and the occurrence of heat stress in coral communities have soared. High surface water temperatures lead coral populations to evict their symbiotic, and colorful, algal residents. The photosynthesizing algae are what feed the coral, and the process—known as bleaching—can eventually kill it, leaving parched white exoskeletons in place of formerly vibrant reefs. However, not all coral reefs seem equally affected by mass bleaching at the hands of global warming. Some processes, like deep water upwelling, are known to offset rising temperatures locally, but Carrigan and Puotinen investigate a novel mechanism that they suggest may be responsible for protecting some susceptible populations.

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