The results show that soil and water conservation forest gives its maximal benefit after definite age.
研究结果表明，水土保持林要达到一定的年龄才能发挥其最大的水保效益。
Zoning, classifying and grading are necessary for management of water conservation forest and afforestation.
这些区划、分类和分级工作，对于水源涵养林的经营和造林都是必须的工作。
The paper summarized the main benefits of water conservation forest such as soil and water conservation, water purification.
文章阐述了水源涵养林对水土保持、涵养和净化水资源等的效能；
Water conservation forest is a special kind of protection forests. It can protect water resources, control soil erosion, purify water quality and so on.
水源涵养林是具有特殊意义的防护林种，具有很好的涵养水源、保持水土、净化水质等功能。
Meanwhile, it was emphasized that the hydrological effect of construction of water conservation forest and its important significance in northwest china.
强调了西北地区水源涵养林建设的水文效应及其重要意义。
The study on construction technology of soil and water conservation forest system in large project district in semi arid desertification grasslands has been done.
同时对在半干旱荒漠草地大型项目区水土保持林体系的建设技术做了研究。
Disposition of soil and water conservation forest is a crucial problem to accelerate the recovery of vegetation and enhance soil and water conservation efficiency on the Loess Plateau.
合理的水土保持林空间配置是黄土高原植被恢复和水土保持功能持续提高的关键。
The function of forest floor on water conservation, nutrient supply, promoting biological respiratory intensity and soil development are discussed.
探讨了森林地层在水土保持、养分供应、促进生物呼吸强度和土壤发育等方面的作用。
Construction of ecological environment forest, urban protection forest, water and soil conservation, production and comprehensive utility and development of nursery stock.
生态环境林、城市防护林建设，天然林资源保护，水土保持，林业苗木生产及综合利用开发等。
Through the construction and transformation of forest land and water conservation and use of forest land and water to achieve environmentally friendly.
通过对林地建设和改造及水体的保护和利用，实现林地和水体的环境友好。
The principle of "Alternating Engineering and Shade price" is applied to estimate the economic value of water conservation caused by forest ecological system.
采用水源调节“替代工程的影子价格”原理，计算了该地区森林生态系统的水源涵养经济价值。
Water and soil conservation forest that is a special forest to prevent soil erosion plays a very important role in improving soil fertility.
水土保持林作为保持水土、防止土壤侵蚀的特有林种，对于提高土壤肥力具有重要作用。
The research dynamics on forest hydrology and development, practical application of water resource conservation forest in Qilian Mountains are expounded in this paper.
主要阐述了森林水文的研究动态，以及祁连山水源涵养林的研究进展和实际运用。
To further research the mechanism of water source conservation and adjust the process of forest hydrology, it is necessary to enhance the research of macropore.
强化森林土壤大孔隙的研究，可深化森林涵养水源机理的研究，加深对森林调节水文过程的认识。
The most effective pattern for soil conservation was the artificial forest with underbrush treatment, and the best water conservation pattern was the treatment of planting tea bush on contour terrace.
林下地表覆盖处理的保土效果最好，等高梯田种植茶树处理的保水效果最好。
Under the similar site condition, the secondary forest and the mixed plantations had greater water conservation function and better maintenance of soil fertility than the pure stands did.
在相同的立地条件下，天然次生林和混交林具有更好的维持地力作用和更高的水源涵养功能。
The capacity of forest water conservation is calculated according to precipitation and runoff characteristic parameters in the area.
利用区域降水量和产流特征参数，计算了长江上游森林涵养水源能力。
As a producer in ecosystem, forest plays an important role in water conservation.
森林作为生态系统的生产者，在水源涵养方面起着重要的作用。
Soil and water conservation function of forest vegetation hasbeen explained through analytical effects of vegetation different layers on rainfall effect.
分析了森林植被不同层次对降水影响所引起的径流量、径流能量和径流的挟沙能力及其减小的效应。
Broad-leaved forest has important and no-substitutive functions in water conservation, conserving soil and water, regulating the climate and improving the environment.
阔叶林在涵养水源、保持水土、调节气候、改善环境等方面具有十分重要的、不可替代的作用。
Function and value analysis of water conservation, soil reinforcement and fertility maintenance of urban forest in Guangzhou.
广州城市森林涵养水源、固土保肥的功能及价值分析。
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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