| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Atlantic Ocean | Sea/Bay/Gulf | native | 5723 |
| Barents Sea Islands basins | River (basin) | native | 59043 |
| Barents Sea river drainages and lakes | River (basin) | native | 59043 |
| Beaufort Sea | Sea/Bay/Gulf | native | 118001 |
| Beaufort Sea - continental coast and shelf | Sea/Bay/Gulf | native | 125579 |
| Central Arctic | Sea/Bay/Gulf | native | 5723 |
| Chukchi Sea | Sea/Bay/Gulf | native | 121277 |
| Dwina | River (basin) | native | 59043 |
| East Bering Sea | Sea/Bay/Gulf | native | 96339 |
| Kara Sea | Sea/Bay/Gulf | native | 117988 |
| Laptev Sea | Sea/Bay/Gulf | native | 117988 |
| Mackenzie | River (basin) | native | 1998 |
| Nearctic | Zoogeographic realm | native | 27547 |
| Northern Bering - Chukchi Seas | Sea/Bay/Gulf | native | 5723 |
| Pacific Ocean | Sea/Bay/Gulf | native | 5723 |
| Palearctic | Zoogeographic realm | native | 5723 |
| Pechora | River (basin) | native | 59043 |
| Yukon | River (basin) | native | 27547 |