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BleachWatch In-Person Training (Islamorada)

June 10 @ 6:00 pm - 7:30 pm

BleachWatch logo showing a dive mask framing coral that is turning from orange to light grey

Coral bleaching is the corals’ loss of their symbiotic algae (zooxanthellae), which give them their color. Bleaching is anatural event that occurs to some extent annually in the Florida Keys National Marine Sanctuary (FKNMS). Records show that coral bleaching has been occurring for many years in the Florida Keys and also indicate that the frequency and severity of these events has steadily increased since the 1980s. Large-scale mass coral bleaching events are driven by unusually warm sea temperatures and calm seas. The effects of these mass events are potentially devastating to ecosystems and the people who depend on them.

The initial onset of mass coral bleaching can vary among different species, geographic locations, types of reef zones and a fluctuation of severity, which makes it very difficult to predict where or when it will occur.  The Florida Keys BleachWatch Program, modeled after Great Barrier Reef’s BleachWatch, is a team of trained recreational, commercial and scientific divers who help monitor and report on conditions at the reefs.  After each visit to the reef, the divers complete a data form,either printed or online, and send it to the BleachWatch Coordinator at   The divers will be provided with an underwater wristband to use as a reference and a reminder key below and above the water.



June 10
6:00 pm - 7:30 pm


The Florida Keys History & Discovery Center
82100 Overseas Highway
Islamorada, FL 33036 United States
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