• 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要达到一定的年龄才能发挥最大的水保效益

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  • Zoning, classifying and grading are necessary for management of water conservation forest and afforestation.

    这些区划分类分级工作对于水源涵养林经营造林都是必须的工作。

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  • 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、涵养净化水资源的效能;

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  • Water conservation forest is a special kind of protection forests. It can protect water resources, control soil erosion, purify water quality and so on.

    水源涵养林具有特殊意义防护林,具有很好的涵养水源、保持水土净化水质功能。

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  • 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水文效应及其重要意义

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  • The study on construction technology of soil and water conservation forest system in large project district in semi arid desertification grasslands has been done.

    同时对干旱荒漠草地大型项目区水土保持体系建设技术研究

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  • 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.

    合理水土保持空间配置黄土高原植被恢复水土保持功能持续提高关键

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  • The function of forest floor on water conservation, nutrient supply, promoting biological respiratory intensity and soil development are discussed.

    探讨了森林地层水土保持、养分供应促进生物呼吸强度土壤发育方面作用

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  • Construction of ecological environment forest, urban protection forest, water and soil conservation, production and comprehensive utility and development of nursery stock.

    生态环境城市防护林建设天然林资源保护水土保持,林业苗木生产综合利用开发等。

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  • Through the construction and transformation of forest land and water conservation and use of forest land and water to achieve environmentally friendly.

    通过林地建设改造水体保护利用实现林地和水体环境友好

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  • 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“替代工程影子价格原理,计算了地区森林生态系统的水源涵养经济价值

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  • Water and soil conservation forest that is a special forest to prevent soil erosion plays a very important role in improving soil fertility.

    水土保持作为保持水土、防止土壤侵蚀特有林种对于提高土壤肥力具有重要作用

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  • The research dynamics on forest hydrology and development, practical application of water resource conservation forest in Qilian Mountains are expounded in this paper.

    主要阐述森林水文研究动态以及祁连山水源涵养林研究进展实际运用

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  • 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。

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  • 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.

    林下地表覆盖处理保土效果最好等高梯田种植茶树处理保水效果最好。

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  • 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.

    相同立地条件下,天然次生林混交林具有更好维持地力作用更高的水源涵养功能。

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  • The capacity of forest water conservation is calculated according to precipitation and runoff characteristic parameters in the area.

    利用区域降水量特征参数计算了长江上游森林涵养水源能力

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  • As a producer in ecosystem, forest plays an important role in water conservation.

    森林作为生态系统生产者水源涵养方面重要作用

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  • Soil and water conservation function of forest vegetation hasbeen explained through analytical effects of vegetation different layers on rainfall effect.

    分析森林植被不同层次降水影响所引起径流量、径流能量径流的挟沙能力及其减小的效应。

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  • 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

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  • 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、固功能价值分析

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  • 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人工林天然次生林研究对象,以不同林型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系统研究。

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  • 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人工林天然次生林研究对象,以不同林型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系统研究。

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