Natural forest conservation plays a very important role at the background of the ecology-based economy development.
在经济生态化的背景下，天然林资源保护意义重大。
When combined with Natural Forest Conservation Project, this technology can transform forest fire prevention from consumption type into developing type.
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。
China is comparatively lack of the natural forest, and the yield of wood harvesting is decreasing because of "the National natural forest Conservation Project".
由于中国天然林相对比较缺乏，加之我国现在正在实行“天保”工程，木材采伐量递减。
This paper make Daqing mountain plantation and natural forest as research object, focus on different forest types of litter and soil water conservation, and make a systematically studied to them.
本文以内蒙古大青山区人工林和天然次生林为研究对象，以不同林型枯落物和土壤水源涵养为重点，对不同林地的土壤水分和枯落物特性进行了系统研究。
This paper make Daqing mountain plantation and natural forest as research object, focus on different forest types of litter and soil water conservation, and make a systematically studied to them.
本文以内蒙古大青山区人工林和天然次生林为研究对象，以不同林型枯落物和土壤水源涵养为重点，对不同林地的土壤水分和枯落物特性进行了系统研究。
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