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Factors regulating trophic status in a large subtropical reservoir, China
Xu, Yaoyang; Cai, Qinghua; Han, Xinqin; Shao, Meiling; Liu, Ruiqiu; Cai, QH, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
2010
Source PublicationENVIRONMENTAL MONITORING AND ASSESSMENT
ISSN0167-6369
Volume169Issue:40182Pages:237-248
AbstractWe evaluated a 4-year data set (July 2003 to June 2007) to assess the trophic state and its limiting factors of Three-Gorges Reservoir (TGR), China, a large subtropical reservoir. Based on Carlson-type trophic state index (TSI)(CHL), the trophic state of the system was oligotrophic (TSIS < 40) in most months after the reservoir became operational, although both TSITP and TSITN were higher than the critical value of eutrophic state (TSIS > 50). Using Carlson's (1991) two-dimensional approach, deviations of the TSIS indicated that factors other than phosphorus and nitrogen limited algal growth and that nonalgal particles affected light attenuation. These findings were further supported by the significant correlation among the values of TSICHL - TSISD and nonvolatile suspended solids and water residence time. The logarithmic model showed that an equivalent TSICHL and TSISD could be found at tau = 54 days in the TGR (Fig. 7). Accordingly, nonalgal particulates dominated light attenuation and limited algal biomass of the reservoir when tau < 54 days.
KeywordTrophic State Hydrological Factors Three-gorges Reservoir Empirical Models
Department[Xu, Yaoyang; Cai, Qinghua; Han, Xinqin; Liu, Ruiqiu] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Xu, Yaoyang; Han, Xinqin] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China; [Shao, Meiling] Anhui Normal Univ, Coll Life Sci, Wuhu 241000, Peoples R China
Subject AreaEnvironmental Sciences
Funding OrganizationNational Natural Science Foundation of China [30330140, 40671197]; National Basic Research Priorities Programme (973 Programme) [2002CB412300]; CAS [KZCX2-YW-427] ; National Natural Science Foundation of China [30330140, 40671197]; National Basic Research Priorities Programme (973 Programme) [2002CB412300]; CAS [KZCX2-YW-427] ; National Natural Science Foundation of China [30330140, 40671197]; National Basic Research Priorities Programme (973 Programme) [2002CB412300]; CAS [KZCX2-YW-427] ; National Natural Science Foundation of China [30330140, 40671197]; National Basic Research Priorities Programme (973 Programme) [2002CB412300]; CAS [KZCX2-YW-427]
Indexed BySCI
Language英语
WOS IDWOS:000281597600021
Funding OrganizationNational Natural Science Foundation of China [30330140, 40671197]; National Basic Research Priorities Programme (973 Programme) [2002CB412300]; CAS [KZCX2-YW-427] ; National Natural Science Foundation of China [30330140, 40671197]; National Basic Research Priorities Programme (973 Programme) [2002CB412300]; CAS [KZCX2-YW-427] ; National Natural Science Foundation of China [30330140, 40671197]; National Basic Research Priorities Programme (973 Programme) [2002CB412300]; CAS [KZCX2-YW-427] ; National Natural Science Foundation of China [30330140, 40671197]; National Basic Research Priorities Programme (973 Programme) [2002CB412300]; CAS [KZCX2-YW-427]
Citation statistics
Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/13518
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorCai, QH, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Xu, Yaoyang,Cai, Qinghua,Han, Xinqin,et al. Factors regulating trophic status in a large subtropical reservoir, China[J]. ENVIRONMENTAL MONITORING AND ASSESSMENT,2010,169(40182):237-248.
APA Xu, Yaoyang,Cai, Qinghua,Han, Xinqin,Shao, Meiling,Liu, Ruiqiu,&Cai, QH, Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2010).Factors regulating trophic status in a large subtropical reservoir, China.ENVIRONMENTAL MONITORING AND ASSESSMENT,169(40182),237-248.
MLA Xu, Yaoyang,et al."Factors regulating trophic status in a large subtropical reservoir, China".ENVIRONMENTAL MONITORING AND ASSESSMENT 169.40182(2010):237-248.
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