Species composition, species diversity, and relative abundance of four coral reef fish communities in John Pennekamp State Park, Key Largo, Florida, are compared with four communities at Fort Jefferson National Monument in the Dry Tortugas using the species-time, random count technique.
The technique is similar to species-area methods hut time replaces area. Fish communities at Pennekamp Park showed the highest overall number of species, scores (reflecting species abundance), and species diversity. Two artificial reefs (ship-wrecks) are included in the study and both show
closer relationships to adjacent reefs than to wreck-specific species.
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