Dry Tortugas National Park (DTNP)

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c - Biological features


Brief description of dominant and particular habitats (marine and terrestrial)*: List here the habitats and ecosystems that are representative and/or of importance for the WCR (i.e. mangroves, coral reefs, etc):

Coral reef and hardbottom substrates within the park cover 9,104 ha and are comprised of nine different habitat types based on bathymetric and geomorphologic features (See Table 2), resulting in highly complex and productive habitats for fish and invertebrates.

Seagrass meadows also are spatially extensive and account for over 3,723 ha of mapped areas.

Island habitats include dunes and sand beaches and various coastal plant communities. Of the seven islands, only Garden Key and Loggerhead Key are developed. Total island habitat is 39.4 ha.

Detail for each habitat/ecosystem the area it covers:

Marine / coastal ecosystem categories
Detail for each habitat / ecosystem the area covers
Size (estimate) Description and comments
unit Area covered
Terrestrial ecosystems
Size (estimate)
unit Area covered