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Macroinvertebrates in the bed sediment of the Yellow River
Zhao Weihua; Wang Haijun; Wang Hongzhu; Close, Paul G.; Close, PG (reprint author), Chinese Acad Sci, Inst Hydrobiol, 7 Donghu S Rd, Wuhan 430072, Peoples R China; zwh820305zwh@163.com; wanghz@ihb.ac.cn
2011
Source PublicationINTERNATIONAL JOURNAL OF SEDIMENT RESEARCH
ISSN1001-6279
Volume26Issue:3Pages:255-268
AbstractExtensive agricultural, industrial and urban development in the Yellow River, China, have modified the sediment-water balance, flow and inundation regimes, longitudinal connectivity, integrity of riparian vegetation, and water quality. Macroinvertebrate assemblages in the bed sediment of main channel and major reservoirs of the Yellow River are described in detail for the first time. A total of 74 taxa comprising 17 taxa of oligochaetes, 48 taxa of aquatic insects, 5 taxa of molluscs, and 4 taxa of other animals were recorded. A range of feeding guilds were represented, including, collector-gatherers (32 taxa), predators (17 taxa), scrapers (16 taxa), shredders (6 taxa) and collector-filterers (2 taxa). Both the mean density and biomass of macroinvertebrates were significantly higher in sites located in the artificial reservoirs compared with the main river channel. Assemblages varied spatially; Oligochaetes dominated assemblages in upper reaches, insects dominated in middle reaches and other animals (e. g. Crustacea) dominated in lower reaches. Collector-gatherers were dominant throughout the entire river. Classification analysis identified five site-groups on the basis of macroinvertebrate presence/absence: downstream of reservoirs; vegetated sites; reservoir sites; polluted sites, and; lower-reach sites. Lower macroinvertebrate richness, density and biomass, compared with other similar large rivers, were attributed to modification of the sediment-water balance and associated disturbance of benthic habitats. Pollution, stability of sediment and sediment concentration combined to influence the distribution of macroinvertebrates. This knowledge will substantially benefit the recent focus on the health and environmental water requirements of the Yellow River.
KeywordMacroinvertebrates Species Composition Distribution Pattern Sediment The Yellow River
Department[Zhao Weihua; Wang Haijun; Wang Hongzhu; Close, Paul G.] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Zhao Weihua] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China; [Close, Paul G.] Univ Western Australia, Ctr Excellence Nat Resource Management, Albany, WA 6330, Australia
Subject AreaEnvironmental Sciences & Ecology ; Water Resources
Funding OrganizationMinistry of Water Resources[2007SHZ1-19] ; Ministry of Water Resources[2007SHZ1-19] ; Ministry of Water Resources[2007SHZ1-19] ; Ministry of Water Resources[2007SHZ1-19]
Indexed BySCI
Language英语
WOS IDWOS:000295410600001
Funding OrganizationMinistry of Water Resources[2007SHZ1-19] ; Ministry of Water Resources[2007SHZ1-19] ; Ministry of Water Resources[2007SHZ1-19] ; Ministry of Water Resources[2007SHZ1-19]
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/16423
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorClose, PG (reprint author), Chinese Acad Sci, Inst Hydrobiol, 7 Donghu S Rd, Wuhan 430072, Peoples R China; zwh820305zwh@163.com; wanghz@ihb.ac.cn
Recommended Citation
GB/T 7714
Zhao Weihua,Wang Haijun,Wang Hongzhu,et al. Macroinvertebrates in the bed sediment of the Yellow River[J]. INTERNATIONAL JOURNAL OF SEDIMENT RESEARCH,2011,26(3):255-268.
APA Zhao Weihua.,Wang Haijun.,Wang Hongzhu.,Close, Paul G..,Close, PG .,...&wanghz@ihb.ac.cn.(2011).Macroinvertebrates in the bed sediment of the Yellow River.INTERNATIONAL JOURNAL OF SEDIMENT RESEARCH,26(3),255-268.
MLA Zhao Weihua,et al."Macroinvertebrates in the bed sediment of the Yellow River".INTERNATIONAL JOURNAL OF SEDIMENT RESEARCH 26.3(2011):255-268.
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