Table 3 Allocation of Resistance Values for Each Factor
Resistance Factor (Target Layer) | Factor Classification (Criteria Element Layer) | Resistance Value (0–200) |
|---|---|---|
Slope | Flat slope (0–5°) | 5 |
Gentle slope (5–10°) | 10 | |
Moderate slope (10–20°) | 30 | |
Steep slope (20–30°) | 100 | |
Very steep slope (>30°) | 200 | |
Aspect | Shady slope (0–45°, 315–360°) | 10 |
Semi-shady slope (45–135°, 225–315°) | 100 | |
Sunny slope (135–225°) | 200 | |
Land Use Type | Forest | 10 |
Grassland | 30 | |
Water area | 60 | |
Bare land | 80 | |
Cropland | 120 | |
Artificial surface | 200 | |
Vegetation Coverage | Very good vegetation coverage (>0.75) | 5 |
Good vegetation coverage (0.75–0.5) | 20 | |
Moderate vegetation coverage (0.25–0.5) | 50 | |
Sparse vegetation coverage (<0.25) | 200 | |
Distance to Nearest Water | >1000 meters | 5 |
500–1000 meters | 120 | |
200–500 meters | 80 | |
100–200 meters | 40 | |
<100 meters | 200 | |
Distance to Nearest Road | <200 meters | 5 |
200–500 meters | 10 | |
500–1000 meters | 30 | |
1000–3000 meters | 100 | |
>3000 meters | 200 |