| Ecological factors | Evaluation standards | Classification | Evaluation value | Weights |
| Slope gradient and length | The bigger the slope gradient and length is, the higher sensitivity of ecological construction | >25˚, <12 m | 5 | 0.250 |
| 5˚ - 25˚, 12 m - 60 m | 3 | |||
| <5˚, >60 m | 1 | |||
| Soil erodibility | The higher the soil erodibility is, the higher sensitivity of ecological construction | Sandy soil, clay | 5 | 0.250 |
| Light loam | 3 | |||
| Medium loam | 1 | |||
| Surface runoff sediments | The more surface runoff sediment is, the higher sensitivity of ecological construction | Runoff and sediments collecting area | 5 | 0.100 |
| Runoff and sediments source area | 3 | |||
| Runoff and sediments formative area | 1 | |||
| Soil and water loss | The more serious the soil and water loss is, the higher sensitivity of ecological construction | Serious | 5 | 0.150 |
| General | 3 | |||
| Slight | 1 | |||
| Plants coverage | The more the plants coverage is, the higher sensitivity of ecological construction | <50% | 5 | 0.150 |
| 50% - 90% | 3 | |||
| >90% | 1 | |||
| Pollution | The more serious pollution is, the higher sensitivity of ecological construction | High | 5 | 0.100 |
| Medium | 3 | |||
| Low | 1 |