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Subject
- Environment11
- Boundaries9
- Biology and Ecology7
- Biogeography6
- Conservation of natural resources5
- Planning and Cadastral5
- Ecological zones4
- Hydrography4
- Inland Waters4
- Biotic communities3
- Bodies of water3
- Endangered species3
- Natural areas3
- Rivers3
- Waterways3
- Bays2
- Biodiversity2
- Endangered plants2
- Gap analysis (Planning)2
- Lakes2