service value of forest ecosystem 森林生态系统公益价值
npp value of ecosystem service npp生态系统服务价值
value of ecosystem service 生态系统的重要性
This is the notion of the service ecosystem or service value-net.
这是服务生态系统或者服务价值网的概念。
There are high correlation between service value of per unit and type of ecosystem.
单位面积服务价值的大小与生态系统的类型有着高度的相关性。
So, how to estimate the value of ecosystem service function effectively becomes the focus of present research and front subject.
因此，如何有效评价生态系统服务功能价值成为当前研究的热点和前沿课题。
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