The theme addresses the role of forests and trees outside forests to help moderate soil, hydrological and aquatic systems.
本主题处理森林及森林外树木帮助调节土壤、水文以及水生系统的作用。
2
Soil and silt washed from logged hillsides, plowed fields, or construction sites, can clog waterways and kill aquatic vegetation.
土壤和泥沙冲刷从登录山坡，撞上领域，或建筑地盘，堵塞水道和杀死水生植被。
3
The influence of fire on water is indirectly manifested in that the post fire changes of vegetation, ground cover, soil and environment affect water cycle, water quality and aquatic lives.