水源涵养功能是生态系统多个水文过程及水文效应的综合表现，反映了生态系统拦蓄降水或调节河川径流量的能力，水源涵养功能的强弱是流域生态健康程度的重要表现之一-Water conservation and overall performance of ecosystem function is more of hydrological processes and hydrological effects, reflecting the capacity of ecosystems to regulat