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Florida Keys National Marine Sanctuary

Federal and state officials are trying to strike a balance between conservation and public access to South Florida waters.

The Florida Fish and Wildlife Conservation Commission agreed Thursday to back tighter fishing limits in Biscayne National Park, where fish populations have dwindled.

After stony coral tissue loss disease reached the Lower Keys last spring, the disease seemed to stall. Reef scientists were hoping that meant it might peter out.

But it didn't.

Hurricane Irma moved a lot of things around underwater off the Florida coast. And the storm has revealed new evidence of an old shipwreck off the Florida Keys.

The superintendent of the Florida Keys National Marine Sanctuary says that after efforts to help the coral reef recover from Hurricane Irma, challenges loom for the marine ecosystem.