生態系 | 類型 | 狀態 | 參考文獻 |
---|---|---|---|
Arctic Complex | River (basin) | native | 117245 |
Great Lakes | Lake | native | 42845 |
Hudson Bay Complex | River (basin) | native | 117245 |
Mississippi Complex | River (basin) | native | 81264 |
Mississippi River | River (basin) | native | 117245 |
Missouri River | River (basin) | native | 37032 |
Nearctic | Zoogeographic realm | endemic | 3881 |
Nelson-Saskatchewan | River (basin) | native | 37032 |
St. Lawrence | River (basin) | native | 117245 |
Tennessee River | River (basin) | native | 37032 |