云南省森林涵养水源价值核算

森林生态系统具有涵养水源的能力，通过对云南省森林植被类型及涵养水源量进行研究得出：植被类型以针叶林、阔叶林、经济林和竹林为主。整个云南省的水资源十分丰富，但在区域之间分布并不均匀，利用大气降水量和森林林冠对降水截留率之间的关系来估算云南省的森林涵养水源量。最终求得云南省每年森林植被涵养水源总量为86.86×10^9m^3，通过转换计算，求得每年森林涵养水源的价值总量约为3000亿元。

Accounting Value of Forest Water Conservation in Yunnan Province

Forest ecosystem has the ability of water conservation. Through the study about the type of forest vegetation and amount of water conservation in Yunnan province：vegetation type is given priority to with coniferous forest, broad-leaved forest, economic forest and bamboo forest. The entire province water resources is very rich, but uneven distribution between regions. This paper obtained annual amount of water conservation forest was 86.86×10^9m^3, which uses of atmospheric precipitation and the relationship between the rate of forest canopy interception of precipitation to estimate, the forest for water conservation value of 300 billion Yuan a year in Yunnan province.