Criterion layer | Index layer | Weight of AHP method | variable coefficient | Comprehensive weight | Normalized weight |
| elevation | 0.07321 | 0.4192 | 0.03069 | 0.03839 |
Terrain factor | slope | 0.03301 | 0.55423 | 0.0183 | 0.02289 |
| Aspect | 0.04118 | 0.33303 | 0.01371 | 0.01715 |
| Fluctuation degree | 0.06069 | 0.52518 | 0.03187 | 0.03987 |
Water system factor | Water buffer zone | 0.22403 | 0.9064 | 0.20306 | 0.25403 |
Vegetation factor | Vegetation coverage (NDVI) | 0.15357 | 0.96789 | 0.14864 | 0.18595 |
| soil types | 0.11143 | 1.14028 | 0.12706 | 0.15896 |
Human activity factor | Road buffer zone | 0.30288 | 0.74622 | 0.22602 | 0.28276 |