July 31, 2017 (Source: FIT) - Occurrences of three common diseases affecting Caribbean corals spike during El Niño years, an alarming association given how climate change may boost the intensity of El Niños. The findings from Florida Institute of Technology research associate Carly Randall and biology professor Rob van Woesik, published earlier this month in the journal Scientific Reports, are based on an analysis of 18 years of coral-disease data, at nearly 2,100 sites collected by the Atlantic and Gulf Rapid Reef Assessment Program. Those data were compared with 18 years of coinciding climate data to see if the disease cycles matched the climate cycles. “We found that three coral diseases – white-band disease, yellow-band disease and dark-spot syndrome – peak every 2-4 years, and that they share common periodicities with El Niño cycles,” Randall said. “Our results indicate that coral diseases cycle predictably and that they often correspond with El Niño.”
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Coral Disease Outbreaks Fluctuate with El Niño Years, Research Finds
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