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Spatial Distribution of Macroinvertebrate Community along a Longitudinal Gradient in a Eutrophic Reservoir-Bay during Different Impoundment Stages, China
Zhang, Min1,2; Cai, Qinghua1; Xu, Yaoyang1; Kong, Linghui1; Tan, Lu1,2; Wang, Lan1; Cai, QH (reprint author), Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China.
2012-06-01
Source PublicationINTERNATIONAL REVIEW OF HYDROBIOLOGY
ISSN1434-2944
Volume97Issue:3Pages:169-183
AbstractThe longitudinal patterns of the macroinvertebrate community in the Xiangxi Bay of the Three Gorges Reservoir (TGR) were investigated during the second (2nd) and third (3rd) impoundment stages (October 2006July 2010), to test the effects of increased water level fluctuations (WLF) on the macroinvertebrates. By comparing to the former reports of the first (1st) impoundment stage (inter-annual WLF 4 m), we found that oligochaetes dominated in three different stages in the Xiangxi Bay. However, the total abundance of macroinvertebrates showed a dramatical decline from the 1st to 2nd stage (inter-annual WLF 11 m), but changed slightly from the 2nd to 3rd stage (inter-annual WLF 30 m). This indicated that higher WLF in the 2nd stage had already greatly reduced the macroinvertebrates abundance, thereby the disturbance in the 3rd stage could only slightly affect the already reduced abundance. Three longitudinal zones (the mainstream zone, the lacustrine zone and the transitional zone) were found based on the macroinvertebrate density, biomass, and taxa richness, combined with the geographical location of each site. Significant differences in density and biomass of macroinvertebrate were found among different zones (P < 0.05), yet no significant difference was found in taxa richness (P > 0.05). Two-way indicator species analysis showed that the community type in most sites varied in different seasons from the 2nd stage, exhibiting a dynamic zonation pattern, which differed with the stable pattern of the 1st stage. This seasonal feature was coupled to the seasonal changes of the WLF. ((c) 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim); The longitudinal patterns of the macroinvertebrate community in the Xiangxi Bay of the Three Gorges Reservoir (TGR) were investigated during the second (2nd) and third (3rd) impoundment stages (October 2006July 2010), to test the effects of increased water level fluctuations (WLF) on the macroinvertebrates. By comparing to the former reports of the first (1st) impoundment stage (inter-annual WLF 4 m), we found that oligochaetes dominated in three different stages in the Xiangxi Bay. However, the total abundance of macroinvertebrates showed a dramatical decline from the 1st to 2nd stage (inter-annual WLF 11 m), but changed slightly from the 2nd to 3rd stage (inter-annual WLF 30 m). This indicated that higher WLF in the 2nd stage had already greatly reduced the macroinvertebrates abundance, thereby the disturbance in the 3rd stage could only slightly affect the already reduced abundance. Three longitudinal zones (the mainstream zone, the lacustrine zone and the transitional zone) were found based on the macroinvertebrate density, biomass, and taxa richness, combined with the geographical location of each site. Significant differences in density and biomass of macroinvertebrate were found among different zones (P < 0.05), yet no significant difference was found in taxa richness (P > 0.05). Two-way indicator species analysis showed that the community type in most sites varied in different seasons from the 2nd stage, exhibiting a dynamic zonation pattern, which differed with the stable pattern of the 1st stage. This seasonal feature was coupled to the seasonal changes of the WLF. ((c) 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
SubtypeArticle
KeywordLongitudinal Distribution Zonation Impoundment Xiangxi Bay Three Gorges Reservoir
Department[Zhang, Min; Cai, Qinghua; Xu, Yaoyang; Kong, Linghui; Tan, Lu; Wang, Lan] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Zhang, Min; Tan, Lu] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
DOI10.1002/iroh.201111488
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationKey Project of Knowledge Innovation Program of CAS[KZCX2-YW-427]; National Natural Science Foundation of China[40671197]; Major S & T Special Project of Water Pollution Control and Management[2008ZX07526-002-07] ; Key Project of Knowledge Innovation Program of CAS[KZCX2-YW-427]; National Natural Science Foundation of China[40671197]; Major S & T Special Project of Water Pollution Control and Management[2008ZX07526-002-07] ; Key Project of Knowledge Innovation Program of CAS[KZCX2-YW-427]; National Natural Science Foundation of China[40671197]; Major S & T Special Project of Water Pollution Control and Management[2008ZX07526-002-07] ; Key Project of Knowledge Innovation Program of CAS[KZCX2-YW-427]; National Natural Science Foundation of China[40671197]; Major S & T Special Project of Water Pollution Control and Management[2008ZX07526-002-07]
Indexed BySCI
Language英语
WOS Research AreaMarine & Freshwater Biology
WOS SubjectMarine & Freshwater Biology
WOS IDWOS:000305332700001
WOS Keyword3 GORGES RESERVOIR ; BENTHIC MACROINVERTEBRATES ; XIANGXI BAY ; WATER-LEVEL ; LAKE ; INVERTEBRATES ; SEDIMENTS ; BLOOM ; ABUNDANCE ; DRAWDOWN
Funding OrganizationKey Project of Knowledge Innovation Program of CAS[KZCX2-YW-427]; National Natural Science Foundation of China[40671197]; Major S & T Special Project of Water Pollution Control and Management[2008ZX07526-002-07] ; Key Project of Knowledge Innovation Program of CAS[KZCX2-YW-427]; National Natural Science Foundation of China[40671197]; Major S & T Special Project of Water Pollution Control and Management[2008ZX07526-002-07] ; Key Project of Knowledge Innovation Program of CAS[KZCX2-YW-427]; National Natural Science Foundation of China[40671197]; Major S & T Special Project of Water Pollution Control and Management[2008ZX07526-002-07] ; Key Project of Knowledge Innovation Program of CAS[KZCX2-YW-427]; National Natural Science Foundation of China[40671197]; Major S & T Special Project of Water Pollution Control and Management[2008ZX07526-002-07]
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/16841
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorCai, QH (reprint author), Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China.
Affiliation1.Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Min,Cai, Qinghua,Xu, Yaoyang,et al. Spatial Distribution of Macroinvertebrate Community along a Longitudinal Gradient in a Eutrophic Reservoir-Bay during Different Impoundment Stages, China[J]. INTERNATIONAL REVIEW OF HYDROBIOLOGY,2012,97(3):169-183.
APA Zhang, Min.,Cai, Qinghua.,Xu, Yaoyang.,Kong, Linghui.,Tan, Lu.,...&Cai, QH .(2012).Spatial Distribution of Macroinvertebrate Community along a Longitudinal Gradient in a Eutrophic Reservoir-Bay during Different Impoundment Stages, China.INTERNATIONAL REVIEW OF HYDROBIOLOGY,97(3),169-183.
MLA Zhang, Min,et al."Spatial Distribution of Macroinvertebrate Community along a Longitudinal Gradient in a Eutrophic Reservoir-Bay during Different Impoundment Stages, China".INTERNATIONAL REVIEW OF HYDROBIOLOGY 97.3(2012):169-183.
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