| 序号 | 坡向范围(˚) | 数量 |
| 1 | −1 (平坦) | 552 |
| 2 | 112.5~247.5 | 10354 |
| 3 | 247.5~292.5 | 2738 |
| 4 | 67.5~112.5 | 3729 |
| 5 | 22.5~67.5 | 3235 |
| 6 | 292.5~337.5 | 2611 |
| 7 | 337.5~360及0~22.5 | 2675 |