The runoff amount of herbage vegetation was 1248m3/km2 per year, while shrub and arbor vegetation were 843 m3/km2 and 2079 m3/km2, respectively.

• 乔木、灌木、草本植被类型对水土流失的影响不同：草本的年均径流量为1248m3/km2，灌木为 843 m3/km2，乔木为 2079 m3/km2；