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- forest ecological resourees 森林生态资源
- The government has paid special attention to the construction of forest ecological projects. 中国政府特别重视林业生态工程建设。
- Of the ten national-level and provincial-level nature reserves, most belong to the primeval forest ecological system. 还有十多个国家级和省级的自然保护区，其中不少是原始森林生态系统。
- The externality theory is a basic theory of explaining economy activities and forest ecological environment problems. 摘要本外部性理论是解释经济活动与森林生态环境问题的基础理论。
- The paper summarized ecological programming study at home and broad and went through study of optimal forest ecological programming in Hainan province. 在对国内外生态规划研究综述的基础上,通过对海南省最优森林生态规划的研究指出:要使海南省林地、林木和森林环境服务的效益最大,必须调整用材林、防护林、特用林和竹林的面积比例。
- This research provides one scientific and effective method to solve the complex problem how to evaluate index system of forest ecological harvesting. 本研究为解决森林生态采伐系统评价这一复杂问题提供了一种科学、有效的评价方法和工具。
- The paper discussed the importance and relationship between Hanzhong forest ecological construction and the project of south-to-north water diversion. 应用突变多准则评价法对南水北调中线水源工程项目的多方案比选作出评价决策。
- Red turpentine beetle (Dendroctonus valens, RTB), which was probably introduced from USA, is one of the most important invasive pests in Chinese forest ecological system. 摘要红脂大小蠹是我国重要的外来入侵害虫，给我国林业生产和国土生态安全带来巨大危害。
- Abstract： The middle-long term planning and decision-making for forest ecological system management was studied taking Dongfanghong forest farm Dailing forest bureau for example. 摘 要： 以带岭林业局东方红林场森林为例,进行了中、长期的森林生态系统规划决策的研究。
- It definitely pointed out that the forest resources was the carrier of forest ecological benefits, and they had the friable relationships which was called the second relation. 明确指出，森林资源是森林生态效益的载体，二者之间是一种松散的相关关系，即第二类的相关关系。
- The Castanopsis carlesii community is one of the most important vegetation types in the forest ecological system of Xiwang Mountainous area and Doupeng Mountainous area. 在西望山、斗篷山森林生态系统中,小红栲群落是其中重要的类型。
- Since 1978 China has established ten forest ecological projects,aimed mainly at protecting and improving the natural eco-environment and realizing the sustainable use of natural resources. 从1978年起，中国先后确立了以保护和改善自然生态环境、实现资源永续利用为主要目标的十大林业生态工程。
- Since 1978 China has established ten forest ecological projects,with a scheduled afforestation area of 120 million hectares -- aimed mainly at protecting and improving the natural eco-environment and realizing the sustainable use of natural resources. 从1978年起，中国先后确立了以保护和改善自然生态环境、实现资源永续利用为主要目标的十大林业生态工程，计划造林1，200万公顷。
- The implementation of the program marked the end of the history of free use of forest ecological value and the beginning of a new stage featuring the non-gratuitous use of forest ecological value. 这一制度的推行，标志着中国无偿使用森林生态价值的历史宣告结束，开始进入有偿使用森林生态价值的新阶段。
- These techniques will influence speed querying data, variables and models of spatial analyst for forest ecological system selecting, model level conversion and efficiency of spatial analyst. 这些方法将影响数据查询速度、森林生态系统空间分析变量和模型的选择、模型尺度转换及空间分析效率。
- This thesis draws up the function of Populus euphratica forest ecological system and so on economy and Society furtion to native and all round areas by evaluating its ecological beneficial. 本文通过对胡杨林生态效益的评价,提出胡杨林不仅在生态系统方面有重要作用,而且对当地及周边地区的经济、社会发展也有不可替代的作用。
- Stand biomass which is the foundation of researching many forestry and ecology problems is a basic quantity character of the forest ecological system. 摘要林分生物量是森林生态系统最基本的数量特征，是研究许多林业问题和生态问题的基础。
- The simplicity of Indian ways of life has been judged an evolutionary adaptation to forest ecology. 印第安人的生活方式很简单，这被认为是对森林生态环境的进化适应。
- The specificity of forest ecology value accounting decides that it should obey the social principle, the economic and ecological efficiency principle. 森林生态价值会计的特殊性决定了必须遵循社会性原则及兼顾经济效益和生态效益原则。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
