Within Florida Keys National Marine Sanctuary, water quality has improved and the size and abundance of some fish species and spiny lobster in large sanctuary reserves are on the rise. However, coastal development, vessel groundings, marine debris, climate change, and poaching continue to threaten the more than 2,900 square nautical miles of marine habitat that the sanctuary protects. Also, many historically abundant marine resources such as green sea turtles and coral habitat continue to be at risk.

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