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Macrozoobenthos in Yangtze floodplain lakes: patterns of density, biomass, and production in relation to river connectivity
Pan, Bao-Zhu; Wang, Hai-Jun; Liang, Xiao-Min; Wang, Hong-Zhu; Wang, HZ, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China; zhuzipan@163.com; wanghj@ihb.ac.cn; liangxm@ihb.ac.cn; wanghz@ihb.ac.cn
2011
Source PublicationJOURNAL OF THE NORTH AMERICAN BENTHOLOGICAL SOCIETY
Volume30Issue:2Pages:589-602
AbstractA systematic investigation of macrozoobenthos was conducted in Yangtze floodplain waters to reveal patterns of density, biomass, and production in relation to river connectivity. In the Yangtze-connected lakes, 78 taxa belonging to 33 families and 62 genera were identified. Macrozoobenthos density was 327 individuals/m(2), biomass was 1.40 g dry mass/m(2), and production was 3.23 g dry mass m(-2) y(-1). The assemblages were characterized by high diversity, high production, and high bivalve-filterer abundance. The key factor determining the macrozoobenthic assemblages was river connectivity. As river connectivity increased, 3 types of response patterns were observed: 1) density, biomass, and production of collector-filterers (mainly Bivalvia), shredders (e.g., Stictochironomus), and predators (e.g., Dytiscidae) showed unimodal changes, i.e., first increased and then decreased; 2) density, biomass, and production of collector-gatherers (mainly Tubificidae and Chironomidae) decreased continuously; and 3) density of scrapers (mainly Gastropoda) decreased, whereas their biomass and production changed unimodally. At an intermediate level of river connectivity, biomass and production of total macrozoobenthos reached maxima, whereas density decreased with increasing river connectivity. Previous research showed that a diversity of zoobenthos also peaks at moderate connectivity with rivers. Therefore, to maintain high productivity as well as high biodiversity in the Yangtze floodplain, protecting the remnants of river-connected lakes and linking disconnected lakes freely with the mainstream are crucial.
KeywordMacrozoobenthos Water Current Connectivity Yangtze Floodplain Lakes
Department[Pan, Bao-Zhu; Wang, Hai-Jun; Liang, Xiao-Min; Wang, Hong-Zhu] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China
Subject AreaEcology ; Marine & Freshwater Biology
Funding OrganizationNational Natural Science Foundation of China [30900194]; Chinese Academy of Sciences [KZCX1-YW-14-1] ; National Natural Science Foundation of China [30900194]; Chinese Academy of Sciences [KZCX1-YW-14-1] ; National Natural Science Foundation of China [30900194]; Chinese Academy of Sciences [KZCX1-YW-14-1] ; National Natural Science Foundation of China [30900194]; Chinese Academy of Sciences [KZCX1-YW-14-1]
Indexed BySCI
WOS IDWOS:000290361600020
Funding OrganizationNational Natural Science Foundation of China [30900194]; Chinese Academy of Sciences [KZCX1-YW-14-1] ; National Natural Science Foundation of China [30900194]; Chinese Academy of Sciences [KZCX1-YW-14-1] ; National Natural Science Foundation of China [30900194]; Chinese Academy of Sciences [KZCX1-YW-14-1] ; National Natural Science Foundation of China [30900194]; Chinese Academy of Sciences [KZCX1-YW-14-1]
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/15584
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorWang, HZ, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China; zhuzipan@163.com; wanghj@ihb.ac.cn; liangxm@ihb.ac.cn; wanghz@ihb.ac.cn
Recommended Citation
GB/T 7714
Pan, Bao-Zhu,Wang, Hai-Jun,Liang, Xiao-Min,et al. Macrozoobenthos in Yangtze floodplain lakes: patterns of density, biomass, and production in relation to river connectivity[J]. JOURNAL OF THE NORTH AMERICAN BENTHOLOGICAL SOCIETY,2011,30(2):589-602.
APA Pan, Bao-Zhu.,Wang, Hai-Jun.,Liang, Xiao-Min.,Wang, Hong-Zhu.,Wang, HZ, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Hubei, Peoples R China.,...&wanghz@ihb.ac.cn.(2011).Macrozoobenthos in Yangtze floodplain lakes: patterns of density, biomass, and production in relation to river connectivity.JOURNAL OF THE NORTH AMERICAN BENTHOLOGICAL SOCIETY,30(2),589-602.
MLA Pan, Bao-Zhu,et al."Macrozoobenthos in Yangtze floodplain lakes: patterns of density, biomass, and production in relation to river connectivity".JOURNAL OF THE NORTH AMERICAN BENTHOLOGICAL SOCIETY 30.2(2011):589-602.
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