The research progress of plant roots on soil erosion control in recent years is reviewed.
介绍了近年来植物根系对土壤侵蚀控制机理的研究进展。
Under the background of global climate change, extreme rainfall occurs frequently, and it aggravates the situation of regional soil erosion control.
在全球气候变化的大背景下,极端降雨事件时有发生,加重了区域水土流失防治的难度。
In the 1980s key water and soil erosion control projects were launched in areas suffering from serious water and soil erosion such as those along the Yellow and the Yangtze rivers.
20世纪80年代,国家开始在黄河、长江等水土流失严重地区实施水土流失重点防治工程。
By 2008 key water and soil erosion control projects had covered a total area of 260000 sq km with 70 percent of such areas put under control and a silt reduction rate of 40% or more.
截至2008年,重点防治工程共治理水土流失面积26万平方公里,已实施重点区域治理的水土流失治理程度达到70%,减沙率达40%以上。
Through combined measures, we brought soil erosion on 48,000 square kilometers of land under control.
综合治理水土流失面积4.8万平方公里。
Through combined measures, we brought soil erosion on 48, 000 square kilometers of land under control.
综合治理水土流失面积4.8万平方公里。
The research results show that grass vegetation, like forest and bush, can effectively control soil erosion.
结果表明,草被与森林植被一样,能有效防止土壤侵蚀。
It is also shown that the forest-grass vegetation has obvious control effect on soil erosion.
研究结果还直接表明,林草植被对土壤侵蚀有明显的控制作用。
These perennial forage can effectively control soil erosion and debility of soil nutrients.
这些多年生牧草能有效地控制土壤侵蚀和养分亏损。
Therefore, the thorough research about the influences of crop cover on erosion is important to control erosion economically and effectively, as well as to improve soil erosion theory.
因此,深入研究作物植被对土壤侵蚀的作用,对经济有效地防治侵蚀、完善土壤侵蚀理论有重要的意义。
The results of this study can be used to control soil loss, manage water and soil resources and evaluate soil erosion in Yangbi.
本研究成果对于漾濞县的土壤侵蚀防治,水土资源管理和土壤侵蚀定量评价具有重要意义。
Substantial progress has been made, but soil erosion is far from being under control.
这一切都取得了重大成就,但土壤侵蚀问题仍远未得到控制。
The results showed that compared with the bare land, all restoration patterns played positive effect in the control of soil erosion and nutrient loss in the gangue pile land.
结果表明:与裸地相比,不同椬被恢复模式均对矸石山坡面土壤侵蚀和养分流失具有明显控制效果;
Therefore, preventing rainstorm erosion is the key to control soil and water loss.
因此,防止暴雨侵蚀是防治水土流失的关键。
Based on the distribution, causes and harms of soil erosion, the paper proposes some effective and rational control countermeasures.
本文试图从集水区水土流失的分布、成因及危害入手,提出进行分区治理的防治对策。
The serious soil erosion threatens ecological environment of Miyun reservoir watershed. How to control soil erosion and to improve ecological environment becomes significant.
然而严重的水土流失威胁着水库集水区生态环境,如何治理集水区内的水土流失,改善集水区生态环境非常重要。
The research on evolvement law of drainage basin sediment yielding plays an important role in design of a project, planning and control of soil erosion.
流域产沙量演变规律的研究对于工程设计、水土流失规划与治理具有重要作用。
The improvement of soil infiltration ability is the key measurement to control soil erosion.
提高土壤的入渗能力为防治土壤侵蚀的关键措施。
The main results were following as: 1. Forest-lands could control effectively soil erosion.
得到以下几个结论:1.林地能有效地防治土壤侵蚀。
The larger grass and forest coverage, the stronger the absolute control capacity of vegetation on soil erosion, or influencing factors about topography may not be ignored.
林草覆盖率越高,植被对侵蚀的绝对控制能力越强,否则流域地形因素的影响亦不可忽视。
Withered branches and dead leaves in the forest play an important role in amelioration of soil, interception of rainfall, reduction of splashed erosion of raindrop and control of soil loss.
林地枯落物对改良土壤、截持降雨、减少雨滴溅蚀、防止水土流失等都具有重要作用。
There are two principal ways to control the Loess Plateau:one is the harness of soil and water erosion and the rehabilitation of vegetation to rebuild the ecological environs;
黄土高原的治理目标主要有两条:一是治理水土流失,恢复植被,重建良好生态环境;
Stonework aids erosion control and soil retention.
石雕艾滋病防治水土流失和土壤保持。
The soil erosion comprehensive control measures have been put in practice for more than 10 years in Shixia small watershed, which gained remarkable ecosystem benefit and economic benefit.
论文以密云县石匣小流域近10年水土流失综合治理的数据为基础,综合探讨了石匣小流域水土流失综合治理措施的结构和功能,分析了水保效益及经济效益。
Miyun Reservoir plays an important role in supplying water for industrial and household use in Beijing. How to control soil erosion and improve ecological environment become urgent.
密云水库是北京城区的重要饮用水源地,如何治理集水区内的水土流失,改善集水区生态环境非常重要。
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。
The basic experience is:insisting on planting trees and herb to control soil and water erosion;
基本经验是:坚持以植树种草、治理水土流失为基础;
The basic experience is:insisting on planting trees and herb to control soil and water erosion;
基本经验是:坚持以植树种草、治理水土流失为基础;
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