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题名: Key Parameters of Water Level Fluctuations Determining the Distribution of Carex in Shallow Lakes
作者: Yuan, Saibo1, 2; Yang, Zhendong1, 2; Liu, Xueqin1; Wang, Hongzhu1
关键词: Hygrophytes ; Carex ; Water level fluctuations ; Yangtze River ; Redundancy analysis
刊名: WETLANDS
发表日期: 2017-12-01
DOI: 10.1007/s13157-017-0934-0
卷: 37, 期:6, 页:1005-1014
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Ecology ; Environmental Sciences
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: Identifying critical hydrologic parameters that structuring biological communities is crucial for the conservation and restoration of wetland ecosystems. The present study determined the key parameters of water level fluctuations (WLFs) influencing the distribution of a typical wetland plant, Carex, in shallow lakes along the middle and lower reaches of the Yangtze River. The plant community and environmental variables in 13 shallow lakes with different WLFs were investigated during 2011-2015. A total of 14 parameters included in three components of WLFs were identified, and their effects on the distribution of Carex were analyzed. The results showed that distribution of Carex in the studied lakes differed obviously in time and space. WLFs were the critical factors influencing the taxa distribution, whereas soil organic matter, human disturbance, substrate type, and soil moisture were of little importance. Rate of water level change and elevation above water were the main parameters determining the coverage and biomass of Carex during the spring growing season. In the autumn growing season, rate of water level change, elevation above water, and emergence timing were important. These results provide important insights into the conservation and restoration of Carex and other hygrophytes in shallow lakes in this region.
关键词[WOS]: FLOODPLAIN LAKES ; RHIZOMATIC GERMINATION ; MYRIOPHYLLUM-SPICATUM ; HYDRILLA-VERTICILLATA ; WETLAND VEGETATION ; AQUATIC PLANTS ; RESPONSES ; GROWTH ; RIVER ; RESTORATION
语种: 英语
项目资助者: National Natural Science Foundation of China(41371054) ; World Wild Fund for Nature (WWF)
WOS记录号: WOS:000419197800001
ISSN号: 0277-5212
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/43672
Appears in Collections:淡水生态学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, 7 Donghu South Rd, Wuhan 430072, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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