第三章，森林环境价值评价方法及应用。
Chapter three: summed up and commented on the main methods of forest environmental value evaluation.
应以效用论为基础对森林环境价值进行评价。
Utilization theory is the basic theory to evaluate forest environmental value.
但由于森林环境具有显著的外部性，无法通过正常的价格机制反映森林环境价值。
Forest ecological benefits bear obvious externality and its value is unable to realize through price mechanism.
加上以木材价值替代全部森林非木材产品的价值，也会导致对森林环境价值的低估。
At the same time, using the value of timber instead of the value of all non timber production will underestimate the environmental value of forests, too.
森林管理计划的存在往往限于保证持续的木材生产，对非木材产品和服务或社会和环境价值没有给予应有的关注。
Where forest management plans exist, they are frequently limited to ensuring sustained production of wood, without due concern for non-wood products and services or social and environmental values.
“森林的价值被严重地低估了，它们的许多环境效益没有进入市场，不良的治理推动了非法活动，”该读物说。
"Forests are seriously undervalued, many of their environmental benefits do not enter markets, and poor governance has fueled illegal activities," the book says.
本文以理论研究与实证分析相结合的原则，首先详细阐述了森林生态环境价值研究的理论与方法，为进一步的实证研究奠定了基础。
This thesis, combining theory study and demonstration analysis, illustrate the studying theory and means of Forest ecology environment value first, laying foundation of demonstration analysis.
利用极化干涉SAR实现地表植被参数的反演，对森林资源管理和环境监测具有重要价值。
By retrieving the vegetation parameters, Polarimetric interferometric SAR is of great significance to the forest resource management and environmental monitoring.
通过辨析，笔者认为木材需求曲线修正法作为一种森林资源环境价值的评价方法，理论论证是正确的，实践运用是有价值的。
The author suggested that timber demand curve mend method, taken as an approach to evaluate the environmental value of forest resources, is correct in theory, and is useful in practice by the co...
认知森林景观并科学评价其美学价值，对于优化城市森林景观、提升森林美景度、改善人居环境质量有重要意义。
It is very important to understand the forest landscape and to evaluate the aesthetic meaning of forest scenery for beautifying forest landscape, enhance scenic beauty and improve human habitats.
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.
随着人类环境的不断恶化，人们对森林的价值也有了更为全面和深刻的认识，对森林的保护也越来越受到重视。
As far as we are aware of the value of forest widely and deeply, much attention has put on the protection of forest.
随着人类环境的不断恶化，人们对森林的价值也有了更为全面和深刻的认识，对森林的保护也越来越受到重视。
As far as we are aware of the value of forest widely and deeply, much attention has put on the protection of forest.
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