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题名: Revegetation in the water level fluctuation zone of a reservoir: An ideal measure to reduce the input of nutrients and sediment
作者: Peng, Chengrong1, 2; Zhang, Lang1; Qin, Hongjie1; Li, Dunhai1
关键词: Input ; Revegetat ion ; Three Gorges Reservoir ; Water level fluctuation zone
刊名: ECOLOGICAL ENGINEERING
发表日期: 2014-10-01
DOI: 10.1016/j.ecoleng.2014.07.078
卷: 71, 期:-, 页:574-577
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine ; Technology
类目[WOS]: Ecology ; Engineering, Environmental ; Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology ; Engineering
英文摘要: The Three Gorges Dam (TGD) is one of the largest dams in the world. Due to the management of the Three Gorges Reservoir (TGR), a huge water level fluctuation (WLF) zone was formed and this caused significant changes to the vegetation in this area. A local vegetation survey was conducted in the WLF zone of the Xiangxi River, one of the major tributaries of the Three Gorges Reservoir, from 2010 to 2011. Based on the survey results, a revegetation method using Cynodon dactylon was established. C. dactylon can survive after very long periods of submergence, and using local species to restore vegetation can prevent the introduction of invasive species. After long-term growth and propagation, the vegetation in our experimental plots was restored, resulting in beneficial landscape and ecology effects. According to our in situ experiments, revegetation in the WLF zone significantly reduced the flow of nutrients and sediments into the TGR. Furthermore, the C. dactylon plots produced less biomass than did the control plots, meaning that less organic matter was introduced to the water. In conclusion, C. dactylon is a suitable candidate for use in the revegetation of the WLF zone of the TGR, and revegetation of the WLF zone will be beneficial in the maintenance of water quality of the TGR. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: 3 GORGES RESERVOIR ; PLANT-COMMUNITIES ; VEGETATION ; CHINA ; RIVER ; DIVERSITY ; PATTERNS ; DAM ; DISTURBANCE ; EXCHANGE
语种: 英语
WOS记录号: WOS:000343151000068
ISSN号: 0925-8574
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20360
Appears in Collections:水环境工程研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Algal Biol Lab, Wuhan 430072, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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