Coral Bleaching Due to Cold

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sailingk8

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I'm a Fish!
Scientists Launch Response Team As Florida Keys Coral Takes Lethal Hit From Cold

SUMMERLAND KEY, Florida -- Sustained cold water temperatures in South Florida and the Florida Keys triggered severe coral bleaching and even coral death, alerting resource managers and prompting a coordinated assessment response from the science community. Temperatures in some nearshore areas of the Florida Keys National Marine Sanctuary dropped to 52 degrees Fahrenheit for several days - well below average for this time of year — with fatal results for some corals.

Over the next two weeks, teams of science divers from federal and state agencies and non-governmental and academic organizations will be surveying sites from the Dry Tortugas through Martin County to assess and monitor mortality and changes in coral health. The site locations and survey protocol were developed by The Nature Conservancy and other members of the Florida Reef Resilience Program for monitoring impacts to corals following a major disturbance, such as a mass-bleaching event.

Coral bleaching occurs when a coral animal undergoes stress and loses its symbiotic algae (called zoxanthellae). Prolonged stress can result in coral death. Coral bleaching is most frequently associated with elevated water temperatures, but stress also occurs when water temperatures dip below the preferred 60-degree threshold.

"If there is any ‘good news' it's that reef managers and scientists are able to quickly respond to this event and are in a good position to learn more about how reefs will rebound following such a rare occurrence," said Chris Bergh, director of The Nature Conservancy's Coastal and Marine Resilience Program.

more:

UnderwaterTimes | Scientists Launch Response Team As Florida Keys Coral Takes Lethal Hit From Cold
 
I was in Key West in Jan and saw a lot of dead floating fish in the canals and shallows.
 
The Florida Fish and Wildlife Conservation Commission (FWC) closed the snook, bonefish and tarpon fisheries due to the cold Jan 15th. Lots of turtles, and Manatee were affected too. I know the turtle and manatee rescue groups have had their hands full.
 
Our weather is weird. Coldest winter on record for DC. Warmest winte on record for Vancouver. corals bleaching because of cold temps in florida. mental.....
 

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