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Long-term changes in fish assemblage following the impoundments of the Three Gorges Reservoir in Hejiang, a protected reach of the upper Yangtze River
Liu, F.1,2,3; Wang, J.1,3; Cao, W.1,3; Wang, J (reprint author), Chinese Acad Sci, Inst Hydrobiol, 7th Southern Rd East Lake, Wuhan 430072, Hubei Province, Peoples R China.
2012
Source PublicationKNOWLEDGE AND MANAGEMENT OF AQUATIC ECOSYSTEMS
ISSN1961-9502
Issue407
AbstractThe construction of the Three Gorges Reservoir (TGR) has seriously affected the fish assemblage in the impounded reaches. However, fish assemblage changes in the riverine zone remain poorly documented. In order to explore how upstream fish assemblage has responded to the successive impoundments of the TGR, fish investigations were conducted biannually in Hejiang, a protected reach of the upper Yangtze River, during the period from 1997 to 2011. Multivariate analysis revealed significant temporal differences in fish assemblage following the impoundments of the TGR. Prior to the impoundments, the fish assemblage appeared to be very diversified and very even. Immediately after the first and the second impoundment, the lotic species, such as Coreius guichenoti, Rhinogobio ventralis, Rhinogobio cylindricus and Coreius heterodon, became evidently dominant, due to their upstream migrations from the reservoir. However, two years after the third impoundment, the lotic species decreased dramatically, while lentic Hypophthalmichthys molitrix and Pelteobagrus vachelli became the new dominant species. Based on this and other studies, we can see the habitats of the riverine fish in the upper Yangtze River have been shrunk seriously because of the impoundments of the TGR. The cascade hydropower development in the lower Jinsha River will pose an accumulative effect on the aquatic environment in the mainstream of the upper Yangtze River. Free-flowing tributaries, such as the Chishui River, will play more important roles in fish conservation.; The construction of the Three Gorges Reservoir (TGR) has seriously affected the fish assemblage in the impounded reaches. However, fish assemblage changes in the riverine zone remain poorly documented. In order to explore how upstream fish assemblage has responded to the successive impoundments of the TGR, fish investigations were conducted biannually in Hejiang, a protected reach of the upper Yangtze River, during the period from 1997 to 2011. Multivariate analysis revealed significant temporal differences in fish assemblage following the impoundments of the TGR. Prior to the impoundments, the fish assemblage appeared to be very diversified and very even. Immediately after the first and the second impoundment, the lotic species, such as Coreius guichenoti, Rhinogobio ventralis, Rhinogobio cylindricus and Coreius heterodon, became evidently dominant, due to their upstream migrations from the reservoir. However, two years after the third impoundment, the lotic species decreased dramatically, while lentic Hypophthalmichthys molitrix and Pelteobagrus vachelli became the new dominant species. Based on this and other studies, we can see the habitats of the riverine fish in the upper Yangtze River have been shrunk seriously because of the impoundments of the TGR. The cascade hydropower development in the lower Jinsha River will pose an accumulative effect on the aquatic environment in the mainstream of the upper Yangtze River. Free-flowing tributaries, such as the Chishui River, will play more important roles in fish conservation.
SubtypeArticle
KeywordFish Assemblage Long-term Changes The Three Gorges Reservoir The Upper Yangtze River
Department[Liu, F. ; Wang, J. ; Cao, W.] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China ; [Liu, F.] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China ; [Liu, F. ; Wang, J. ; Cao, W.] Chinese Acad Sci, Key Lab Biodivers & Conservat Aquat Organisms, Wuhan 430072, Hubei Province, Peoples R China
DOI10.1051/kmae/2013032
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationNational Key Technology RD Program [2008BAC39B03]; Three Gorges Project Eco-Environmental Monitoring System [JJ[2011]-028]; National Natural Science Foundation of China [NSFC 31061160185] ; National Key Technology RD Program [2008BAC39B03]; Three Gorges Project Eco-Environmental Monitoring System [JJ[2011]-028]; National Natural Science Foundation of China [NSFC 31061160185] ; National Key Technology RD Program [2008BAC39B03]; Three Gorges Project Eco-Environmental Monitoring System [JJ[2011]-028]; National Natural Science Foundation of China [NSFC 31061160185] ; National Key Technology RD Program [2008BAC39B03]; Three Gorges Project Eco-Environmental Monitoring System [JJ[2011]-028]; National Natural Science Foundation of China [NSFC 31061160185]
Indexed BySCI
Language英语
WOS Research AreaFisheries ; Marine & Freshwater Biology
WOS SubjectFisheries ; Marine & Freshwater Biology
WOS IDWOS:000317363100006
WOS KeywordPOPULATIONS ; BIODIVERSITY ; CONSERVATION ; COMMUNITIES ; DIVERSITY ; IMPACTS ; POLAND ; CHINA ; DAMS
Funding OrganizationNational Key Technology RD Program [2008BAC39B03]; Three Gorges Project Eco-Environmental Monitoring System [JJ[2011]-028]; National Natural Science Foundation of China [NSFC 31061160185] ; National Key Technology RD Program [2008BAC39B03]; Three Gorges Project Eco-Environmental Monitoring System [JJ[2011]-028]; National Natural Science Foundation of China [NSFC 31061160185] ; National Key Technology RD Program [2008BAC39B03]; Three Gorges Project Eco-Environmental Monitoring System [JJ[2011]-028]; National Natural Science Foundation of China [NSFC 31061160185] ; National Key Technology RD Program [2008BAC39B03]; Three Gorges Project Eco-Environmental Monitoring System [JJ[2011]-028]; National Natural Science Foundation of China [NSFC 31061160185]
Citation statistics
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/19280
Collection水生生物多样性与资源保护研究中心_期刊论文
Corresponding AuthorWang, J (reprint author), Chinese Acad Sci, Inst Hydrobiol, 7th Southern Rd East Lake, Wuhan 430072, Hubei Province, Peoples R China.
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Hubei Province, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
3.Chinese Acad Sci, Key Lab Biodivers & Conservat Aquat Organisms, Wuhan 430072, Hubei Province, Peoples R China
Recommended Citation
GB/T 7714
Liu, F.,Wang, J.,Cao, W.,et al. Long-term changes in fish assemblage following the impoundments of the Three Gorges Reservoir in Hejiang, a protected reach of the upper Yangtze River[J]. KNOWLEDGE AND MANAGEMENT OF AQUATIC ECOSYSTEMS,2012(407).
APA Liu, F.,Wang, J.,Cao, W.,&Wang, J .(2012).Long-term changes in fish assemblage following the impoundments of the Three Gorges Reservoir in Hejiang, a protected reach of the upper Yangtze River.KNOWLEDGE AND MANAGEMENT OF AQUATIC ECOSYSTEMS(407).
MLA Liu, F.,et al."Long-term changes in fish assemblage following the impoundments of the Three Gorges Reservoir in Hejiang, a protected reach of the upper Yangtze River".KNOWLEDGE AND MANAGEMENT OF AQUATIC ECOSYSTEMS .407(2012).
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