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 regulate river impoundment precipitation or runoff, the strength of water conservation is an important function of the ecological health of the watershed performance