但是他的这一信息却是很重要，森林和其他的生态系统提供了有价值的服务，如果要保护它们，人们必须的有所付出。
Yet his message is an important one. Forests and other eco-systems provide valuable services; and if they are to be conserved, people must pay for them.
客观评价森林生态系统服务功能价值动态变化，对于科学经营与管理森林资源具有重要的现实意义。
It has important significance for scientifically managing and running forest resources to evaluate the dynamic changes of the service function of forestry ecosystem system.
森林作为陆地生态系统的主体，在全球生态系统中发挥着举足轻重的作用，其服务功能价值的评价是当前研究的一个热点。
As the main body of the land ecosystem, the forest ecosystem is playing the pivotal role in the whole ecosystem, its service function value appraisal research is a current hot spot.
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