However, the species choosing, mode disposition and the unreasonable forestry structure has resulted in the bad effect of water and soil conservation.
但由于存在着物种选择、模式配置和林分结构不合理，导致大多数经济林水土保持效果较差。
The concept of "measure allocation ratio" and "Basin harnessing effect related to typical allocation scheme of water-soil conservation harnessing measures" has been pointed out.
提出了“措施配置比”和“流域治理效应与水土保持治理措施类型配置方案有关”的概念。
Contour hedgerows reduced the erosion on slope surface with ephemeral gullies effectively, and the effect of soil conservation was more obvious than the effect of water conservation.
等高绿篱措施能够明显减少浅沟坡面的土壤侵蚀，且保土效果比保水效果更加明显。
Soil and water conservation benefits method and hydrological method are adopted in the previous studies on effect of soil and water conservation on hydrological and water resources.
以往水土保持水文水资源效应研究所采取的方法均为水文法和水保法。
Based on consulting the document of standardization, analysing economic effect of soil and water conservation measure in accordance with the dynamic state and static state.
在参考规范性文件的基础上，对水土保持措施进行经济效益静、动态分析。
During this rainstorm, the great effect of soil conservation and water retain reduced direct economic benefit loss of 571 million yuan and flood disaster loss of 1 billion yuan.
在这次降雨中，水土保持措施巨大的蓄水保土作用可减少直接经济损失5.71亿元，减少的洪水灾害损失可达数十亿元。
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。
The effect of water and sediment reduction by soil and water conservation treatments in Jing River basin since 1970s has been analyzed and studied in the paper by using "soil conservation method".
不同水利、水保措施减沙水代价研究 ，对于评价水利、水保措施减水、减沙效应和解决流域水沙问题 ，有着重要意义。
The effect of water and sediment reduction by soil and water conservation treatments in Jing River basin since 1970s has been analyzed and studied in the paper by using "soil conservation method".
不同水利、水保措施减沙水代价研究 ，对于评价水利、水保措施减水、减沙效应和解决流域水沙问题 ，有着重要意义。
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