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题名: Effects of Vegetation Restoration on Soil Conservation and Sediment Loads in China: A Critical Review
作者: Ran, Lishan1; Lu, Xixi1; null(许建初)2, 3
刊名: CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY
关键词: China ; sediment load ; soil and water conservation ; soil erosion reduction benefit ; vegetation restoration
英文摘要: China has been one of the countries suffering from the most serious soil erosion, which has severely degraded soil productivity and water quality, thus affecting agricultural activities and hindering economic and social development. During the past few decades, a large amount of effort has been made to combat soil erosion. Vegetation restoration as a major strategy is given equal importance compared to engineering measures. Although a measure of success has been achieved, many uncertainties remain unanswered such as to what extent the vegetation restoration has reduced soil erosion and sediment loads especially in large river systems. This paper first analyzes the impacts of vegetation restoration on soil erosion and sediment loads in terms of vegetation cover and vegetation species. Then, the spatial scale effect of soil erosion reduction benefit resulting from vegetation restoration is elaborated. Soil erosion reduction benefit decreases with increased vegetation planting area. In addition, a comprehensive discussion about the disputes between vegetation restoration and engineering measures is made by integrating published studies spanning large spatial and temporal scales. Finally, future research needs regarding vegetation restoration efforts are given. In order to evaluate the effects of vegetation restoration programs on soil erosion, assessments in shorter time interval and larger spatial scale should be undertaken. Further, the present assessment system mainly based on simple statistical methods has to be improved. Specific areas demanding immediate attention, including the western China in general and the upper Yangtze River basin in particular, are highlighted as well. Supplemental materials are available for this article. Go to the publisher's online edition of Critical Reviews in Environmental Science and Technology to view the supplemental file.
出版日期: 2013
卷号: 43, 期号:13, 页码:1384-1415
语种: 英语
ISSN号: 1064-3389
资助信息: Ministry of Education, Singapore [MOE2011-T2-1-101]; Rights and Resources Initiative, part of the Global Research Priority (GRP6) of the World Agroforestry Centre
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/16621
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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作者单位: 1.Natl Univ Singapore, Dept Geog, Singapore 117570, Singapore
2.China Off, World Agroforestry Ctr, Kunming, Yunnan, Peoples R China
3.Kunming Inst Bot, Ctr Mt Ecosyst Studies, Kunming, Yunnan, Peoples R China

Recommended Citation:
Ran, Lishan; Lu, Xixi; Xu, Jianchu.Effects of Vegetation Restoration on Soil Conservation and Sediment Loads in China: A Critical Review,CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY,2013,43(13):1384-1415
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