森林植被碳密度是衡量森林生态系统服务功能和产品供给功能高低的一个重要指标。
Forest carbon density is an important indicator reflecting the level of forest ecosystem function in ecological service and product supply.
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.
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.
森林生态系统为人类提供了众多的商品和服务。
Forest ecosystem provides a lot of goods and services for human.
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.
森林生态系统健康是保证生态系统服务功能的前提，森林生态系统健康评价方法及指标体系已成为森林生态系统健康研究的核心内容。
Ecosystem health is a prerequisite to the service function of ecosystem. Assessment and indicator system has become the key issues in the research on ecosystem health.
今年世界环境日的主题是“森林：大自然为你服务”，强调森林和其他生态系统对社会——特别是穷人所能带来的数万亿美元的价值。
The theme of World Environment Day this year, "Forests: Nature at Your Service", emphasizes the multi-trillion dollar value of these and other ecosystems to society - especially the poor.
本研究的目的在于构建一个森林类型自然保护区生态系统服务的价值评估体系。
The purpose of this article is to establish an evaluation system, which is to estimate the value of forest ecosystem services in nature reserve.
本研究的目的在于构建一个森林类型自然保护区生态系统服务的价值评估体系。
The purpose of this article is to establish an evaluation system, which is to estimate the value of forest ecosystem services in nature reserve.
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