| 生态系 | 类型 | 状态 | 参考文献 |
|---|---|---|---|
| Black Sea | Sea/Bay/Gulf | native | 4696 |
| Caspian Sea | Lake | native | 39702 |
| Dnester | River (basin) | native | 86607 |
| Kuban River | River (basin) | native | 58296 |
| Sea of Azov | Sea/Bay/Gulf | native | 26334 |
| Sea of Marmara | Sea/Bay/Gulf | native | 57855 |
| Ural | River (basin) | native | 2058 |