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