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Subject
- Boundaries155
- Oceans133
- Coasts112
- Biology and Ecology97
- Marine habitats92
- Fishes63
- Fishes--Habitat63
- Fishes--Home range63
- Environment51
- Ocean bottom37
- Health29
- Geoscientific Information28
- Counties21
- Benthos17
- Geology17
- Geomorphology17
- Marine sediments17
- Health services accessibility16
- Medically underserved areas16
- Sediments (Geology)16