Subject
- Biotic communities[remove]16
- Environment16
- Biology and Ecology10
- Boundaries9
- Habitat conservation7
- Biogeography5
- Ecological zones4
- Conservation of natural resources3
- Endangered species3
- Geoscientific Information3
- Planning and Cadastral3
- Vegetation mapping3
- Biodiversity2
- Ecological regions2
- Endangered plants2
- Environmental impact analysis2
- Inland Waters2
- Natural areas2
- Soil conservation2
- Wilderness areas2