Ecological evaluation index | Impact factors | Insensitivity | Mild sensitivity | Moderate sensitivity | High sensitivity | Extreme sensitivity | AHP weight |
| Elevation/m | <902 | 902 - 1289 | 1289 - 1684 | 1684 - 2249 | >2249 | 0.07321 |
| Slope/˚ | <15 | 15 - 25 | 25 - 35 | 35 - 45 | >45 | 0.03301 |
land | Aspect | due south | Southeast and southwest | East, west | Northeast, northwest | due north | 0.04118 |
| Fluctuation/degree | 0 - 20 | 21 - 50 | 51 - 100 | 101 - 150 | >150 | 0.06069 |
water | Water buffer zone/m | >2000 | 1500 - 2000 | 1000 - 1500 | 500 - 1000 | 0 - 500 | 0.22403 |
human | soil types | rice soil | Newly accumulated soil, mountainous meadow soil | Brown soil, yellow cinnamon soil and calcareous soil | Yellow soil, yellow brown soil, calcium red soil, acid coarse bone soil | River, river | 0.11143 |
| Road accessibility/m | <1000 | 1000 - 1500 | 1500 - 2000 | 2000 - 2500 | >2500 | 0.30288 |
forest | Vegetation coverage (NDVI) | <0.25 | 0.25 - 0.45 | 0.45 - 0.65 | 0.65 - 0.85 | >0.85 | 0.15357 |