Ecological land classification
（重定向自Land classification）
WWF system
- Biosphere
- Ecozones or realms
- Terrestrial biomes (major habitat types)
- Ecoregions
- Ecosystems (biotopes)
- Ecoregions
- Freshwater biomes (major habitat types)
- Ecoregions
- Ecosystems (biotopes)
- Ecoregions
- Terrestrial biomes (major habitat types)
- Marine ecozones or realms
- Continental Shelf biomes (major habitat types)
- (Marine provinces)
- Ecoregions
- Ecosystems (biotopes)
- Ecoregions
- (Marine provinces)
- Open & Deep Sea Biomes (major habitat types)
- Continental Shelf biomes (major habitat types)
- Endolithic biome
- Ecozones or realms