Ecoregions
| ID | Realm | Major Habitat Type | Ecoregion |
|---|---|---|---|
| 631 | Palearctic | Xeric freshwaters and endorheic (closed) basins | Upper Amu Darya |
| 632 | Palearctic | Temperate upland rivers | Qaidan |
| 633 | Palearctic | Montane freshwaters | Upper Huang He |
| 634 | Palearctic | Montane freshwaters | Upper Huang He Corridor |
| 635 | Palearctic | Temperate floodplain rivers and wetlands | Huang He Great Bend |
| 636 | Palearctic | Temperate floodplain rivers and wetlands | Lower Huang He |
| 637 | Palearctic | Temperate floodplain rivers and wetlands | Liao He |
| 638 | Palearctic | Temperate coastal rivers | Eastern Yellow Sea Drainages |
| 639 | Palearctic | Temperate coastal rivers | Southeastern Korean Peninsula |
| 640 | Palearctic | Temperate coastal rivers | Hamgyong - Sanmaek |
| 641 | Palearctic | Temperate coastal rivers | Sakhalin, Hokkaido, & Sikhote - Alin Coast |
| 642 | Palearctic | Temperate coastal rivers | Honshu - Shikoku - Kyushu |
| 643 | Palearctic | Large lakes | Biwa Ko |
| 701 | Palearctic | Xeric freshwaters and endorheic (closed) basins | Baluchistan |
| 702 | Palearctic | Xeric freshwaters and endorheic (closed) basins | Helmand - Sistan |