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题名: A floodplain-scale lake classification based on characteristics of macroinvertebrate assemblages and corresponding environmental properties
作者: Pan, Baozhu1, 2; Wang, Hongzhu1; Wang, Haijun1
关键词: Lake classification ; Macroinvertebrates ; Total phosphorus-phytoplankton chlorophyll relationship ; Eutrophication ; Hydrological connectivity ; Yangtze floodplain
刊名: LIMNOLOGICA
发表日期: 2014-11-01
DOI: 10.1016/j.limno.2014.07.003
卷: 49, 期:-, 页:10-17
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Limnology
研究领域[WOS]: Marine & Freshwater Biology
英文摘要: Floodplain lakes have been experiencing great pressures by human activities, and ecological functions in different types of lakes show different degrees of degradation. For facilitating conservation and management of different types of floodplain lakes, it is necessary to classify the lakes into similar groups according to certain standards. In this study, on basis of consideration of macroinvertebrate assemblages and corresponding environmental properties, the Yangtze floodplain lakes were classified into three major types grouping five groups of lakes: (1) river-disconnected lakes (algal lakes, macrophytic-algal transition lakes, and macrophytic lakes), (2) semi-connected lakes (oxbow lakes), (3) river-connected lakes. The classification of floodplain lakes mainly reflects the gradients of trophic and hydrological connectivity. The key factors structuring macroinvertebrate assemblages in the Yangtze floodplain lakes were mainly hydrological (connectivity rating, water depth), trophic (total phosphorus, macrophytes biomass) and morphometric (development of lake shoreline). Among the floodplain lakes, ecological status of river-connected lakes, where biodiversity, biomass and production of macroinvertebrates reached maxima, has been confirmed to be the best. From the view of conservation and management of the entire floodplain lakes, it is suggested that protecting the remnants of river-connected lakes, controlling eutrophication and linking disconnected lakes freely with the mainstream are crucial. (C) 2014 Elsevier GmbH. All rights reserved.
关键词[WOS]: RIVER-FLOODPLAIN ; HYDROLOGICAL CONNECTIVITY ; BIOLOGICAL QUALITY ; FLORIDA LAKES ; PATTERNS ; EUTROPHICATION ; PHYTOPLANKTON ; MACROPHYTE ; BIOMASS ; INVERTEBRATES
语种: 英语
WOS记录号: WOS:000345805200002
ISSN号: 0075-9511
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/20296
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, Wuhan, Peoples R China
2.Changjiang River Sci Res Inst, Wuhan 430010, Peoples R China
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