Scientists are moving quickly to protect fragile coral as ocean waters heat up a vital ecosystem off Florida's coast.
The concern follows the brutal 2023 marine heat wave, which caused the state's most severe bleaching event on record.
What's happening?
According to ThePrint, restoration teams in the Florida Keys are moving dozens of vulnerable elkhorn and staghorn corals from offshore nurseries into deeper, cooler waters. The precautionary move comes as ocean temperatures in the region are rising again, putting young corals at greater risk of heat-related stress and bleaching.
When corals bleach, they weaken and essentially starve, and they can die if conditions do not improve.
The 2023 marine heat wave produced Florida's worst mass coral bleaching event, ThePrint reported, so the renewed warming is prompting scientists to act before reef systems already under intense stress take another hit.
For restoration teams, the rising heat is an immediate danger that calls for intervention now, before additional coral is lost.
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Why does it matter?
Many communities depend on healthy coral reefs for more than their beauty. Reefs provide habitat for fish, reduce wave damage along shorelines, and support tourism and recreation.
As reefs bleach and die, marine habitat contracts; coastal ecosystems lose strength; and industries connected to fishing, diving, and snorkeling face economic pressure.
What's being done?
One emergency measure is moving nursery-grown corals into deeper, cooler water to improve their odds of surviving the heat. The goal is to buy time until conditions get better.
Coral nurseries give researchers a way to grow vulnerable species and act quickly when extreme weather or warming water puts them at risk.
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"It was like Noah's ark," Ken Nedimyer, technical director for Reef Renewal USA, told The Washington Post, as ThePrint noted. "Keeping them alive is our main focus right now."
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