| Οικοσύστημα | Τύπος | Κατάσταση | Αναφ. |
|---|---|---|---|
| Amguema River | River (basin) | native | 26334 |
| Anadyr River | River (basin) | native | 26334 |
| Belaya | River (basin) | native | 2058 |
| Columbia | River (basin) | native | 5723 |
| Danube | River (basin) | native | 5723 |
| Elgygytgyn Lake | Lake | native | 26334 |
| Great Lakes | Lake | native | 27547 |
| Mackenzie | River (basin) | native | 78982 |
| Mississippi River | River (basin) | native | 27547 |
| Nearctic | Zoogeographic realm | native | 27547 |
| Palearctic | Zoogeographic realm | native | 5723 |
| St. Lawrence | River (basin) | native | 5723 |
| Yukon | River (basin) | native | 78812 |