河北省的杜松林是残存的天然林。
The forest of Juniperus rigida is a natural residual forest in Hebei province.
探讨了30年生油松天然林的水文效应。
The hydrologic effects of 30-year old natural Chinese pine forests have been measured.
四川省在我国最早实施天然林保护工程。
Sichuan province is the earliest district which carried out the project of natural forest resource protection in our country.
研究以天然林资源保护工程为例，展开了实证分析。
The research also do some empirical work take the natural forest protection project (NFPP) for instance.
在经济生态化的背景下，天然林资源保护意义重大。
Natural forest conservation plays a very important role at the background of the ecology-based economy development.
因此，为制定红松天然林的经营技术提供了理论依据。
Therefore, this study provided a theoretical basis for the management technology of natural Korean pine forest.
提供公共物品的天然林资源是一种缺乏需求弹性的商品。
It is that public goods of offering is a merchandise for lacking demand elasticity.
阐述天然林多目标综合管理概念、原则、方法和管理程序。
The paper elaborates the concept, principle, method and procedures of multi-objective integrated management of natural forest.
天然林的地表随机糙度变化幅度小于人工林的地表随机糙度。
The change extent of surface random roughness under natural forest is smaller than the artificial forest.
本文阐述了在天然林资源保护工程中可以应用的参与式工具；
This article described the participatory tools that can be used in the natural forest protection program;
结果表明：杉间材物理力学性质较天然林差。为杉木的定向培育。
The results show that the physical and mechanical properties of middle cutting wood of Cunninghamia lanceolata are inferior to those from natural forest.
经林龄转移资料归一化处理，构造出三类天然林林龄转移概率矩阵。
Through processing these data, the transfer probability matrixes of three kinds of natural forest age were constructed.
依据历年调查资料，对麻池背油松天然林的林分生长结构进行了研究。
Based on survey resources in the past years, natural forest stand structure of Pinus tabulaeformis in Machibei was studied.
中国因实施天然林保护工程，形成过剩的林业工人和闲置的采运机械设备。
China is involved in the preservative project of natural forest with a great number of idle forest workers and felling and transporting tools.
本文提出了阿木尔林业局实施天然林资源保护工程的基本思路和主要目标。
According to the situation of natural forest in Amuer Forestry Bureau, the authors of this paper present the basic thoughts and primary objects of executing protection engineering in these areas.
云杉是青海省县主要的天然林资源，也是荒山造林和城镇绿化的优良树种。
Picea is not only major natural forest resources in Qinghai, but also fine tree species of afforestation and urban greening.
加强天然林保护，建立自然保护区，对保存珍贵的沙地物种资源具有重要意义。
It is of important significance for preserving precious species resource in sandy land to strengthen the protection of natural forest and set up natural protection area.
他们认为，如果那些津贴不到位，新的森林就会又变为农田，砍伐天然林又会出现。
They suggest that if the subsidies were to end, new forest could be converted back into cropland and natural forest logged again.
中国是一个森林赤字国家。主要天然林大量减少，木材存量下降，森林质量恶化。
China is a forest deficit nation. The main natural forests have been greatly decreased, timber stocks have dropped, the quality of forests has declined.
自从国家实施天然林保护工程以后，非木质资源的利用受到越来越多的关注和重视。
Since the nation has implemented the natural forest protection project, non-wood resources are taking more and more attention.
巨型的地表钙华坡谷，蜿蜒于天然林和石山冰峰之间，宛若金色“巨龙”腾游天地。
The sloping valley goes along between the forests and ice peaks like a huge dragon flying in the sky.
为减轻实施天然林保护工程对木材生产带来的压力，加快用材林基地建设势在必行。
Its imperative to accelerate the construction of timber forest base, in order to make up the shortage of timber, which resulted from the protection of natural forest, for the forest production.
目前，林区实施天然林保护工程已经接近十年，天然林资源得到有效的保护和恢复。
By now, it has been nearly ten years for implementing natural forest protection project in these areas, thus natural forest resources have been gotten effective protection and restoration.
保护现有天然林，科学合理的培育后备森林资源，是建设和改善生态环境的必然选择。
It's the inevitable choice to protect current natural forest and to grow reserved woods in order to improve the ecological environment.
它与天然林保护工程紧密衔接，可使森林防火由单纯的消耗型变成有开发功能的经营型。
When combined with Natural Forest Conservation Project, this technology can transform forest fire prevention from consumption type into developing type.
因此，加强湘鄂天然林的经营，以期为改善整个长江流域的生态环境质量发挥重要作用。
Therefore, enhancing the management of nature-forest will play an important role in improving the environment-quality of Changjiang valley.
本文对保护四川国有天然林资源，提出了森工企业调整产业结构及调整内容、方法和注意问题。
The article advanced contents, means and problems attended of adjusting industry structure of forest enterprises in order to protect natural forest of state in sichuan province.
现代林业以生态环境建设为重点，采用生态系统管理模式，主张使天然林尽可能处于自然状态。
Modern forestry pays more and more attention to ecological construction. Ecosystem management has been introduced to forestry so as to keep forests in their natural features.
现代林业以生态环境建设为重点，采用生态系统管理模式，主张使天然林尽可能处于自然状态。
Modern forestry pays more and more attention to ecological construction. Ecosystem management has been introduced to forestry so as to keep forests in their natural features.
应用推荐