Based on the comprehensive analysis on the hydroecological functions of forest litter and its benefits to water storage and sediment reduction,the litter as a main working layer among the three layers of forest vertical structure conserving soil and water source is put forward firstly.According to the determination,the conserved rainfall by the litter reaches to 62.9% of the runoff in farmland,and its capacity to conserve soil is enough to control soil and water loss after forest has been cut in the slope ...
修改评论