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Factors Affecting Temporal and Spatial Variations of Microcystins in Gonghu Bay of Lake Taihu, with Potential Risk of Microcystin Contamination to Human Health
Wang, Qing; Niu, Yuan; Xie, Ping; Chen, Jun; Ma, Zhimei; Tao, Min; Qi, Min; Wu, Laiyan; Guo, Longgen; Xie, P, Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Wuhan, Peoples R China
2010
Source PublicationTHESCIENTIFICWORLDJOURNAL
ISSN1537-744X
Volume10Pages:1795-1809
AbstractA field survey of the seasonal variation of microcystin (MC) concentration was performed in Gonghu Bay (a total of 15 sampling sites) of Lake Taihu from January to December 2008. Microcystis spp. biomass and intra-/extracellular MCs were significantly correlated with water temperature, suggesting the importance of temperature in cyanobacterial blooming in the lake. Higher MC concentration was found in summer and autumn, and peaks of Microcystis biomass and intra-/extracellular MC concentrations were all present in October. Spatially, risk of MCs was higher in littoral zones than in the pelagic area. There were significant correlations between N or P concentrations, and Microcystis biomass or MC content, suggesting that N and P levels affected MC production through influencing Microcystis biomass. Intra-/extracellular MCs and Microcystis biomass had negative exponential relationships with TN:TP, and the maximum values all occurred when TN:TP was <25. Multivariate analyses by PCCA indicated that intra- and extracellular MC concentrations had better correlations with biological factors (such as Microcystis biomass and chl-a) than with physicochemical factors. The maximum MC concentration reached up to 17 mu g/L MC-LReq, considerably higher than the drinking water safety standard (1 mu g/L) recommended by the WHO. So it is necessary to take measures to reduce the exposure risk of cyanobacterial toxins to human beings.
KeywordMicrocystins Gonghu Bay Seasonal Variation Taihu Lake
Department[Wang, Qing; Niu, Yuan; Xie, Ping; Chen, Jun; Ma, Zhimei; Tao, Min; Qi, Min; Wu, Laiyan; Guo, Longgen] Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Wuhan, Peoples R China
Subject AreaEnvironmental Sciences ; Multidisciplinary Sciences
Funding OrganizationMinistry of Science and Technology of the People's Republic of China [2007BAC26B02]; Chinese Academy of Sciences [KZCX1-YW-14-6-1] ; Ministry of Science and Technology of the People's Republic of China [2007BAC26B02]; Chinese Academy of Sciences [KZCX1-YW-14-6-1] ; Ministry of Science and Technology of the People's Republic of China [2007BAC26B02]; Chinese Academy of Sciences [KZCX1-YW-14-6-1] ; Ministry of Science and Technology of the People's Republic of China [2007BAC26B02]; Chinese Academy of Sciences [KZCX1-YW-14-6-1]
Indexed BySCI
Language英语
WOS IDWOS:000282000500001
Funding OrganizationMinistry of Science and Technology of the People's Republic of China [2007BAC26B02]; Chinese Academy of Sciences [KZCX1-YW-14-6-1] ; Ministry of Science and Technology of the People's Republic of China [2007BAC26B02]; Chinese Academy of Sciences [KZCX1-YW-14-6-1] ; Ministry of Science and Technology of the People's Republic of China [2007BAC26B02]; Chinese Academy of Sciences [KZCX1-YW-14-6-1] ; Ministry of Science and Technology of the People's Republic of China [2007BAC26B02]; Chinese Academy of Sciences [KZCX1-YW-14-6-1]
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/13514
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorXie, P, Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Wuhan, Peoples R China
Recommended Citation
GB/T 7714
Wang, Qing,Niu, Yuan,Xie, Ping,et al. Factors Affecting Temporal and Spatial Variations of Microcystins in Gonghu Bay of Lake Taihu, with Potential Risk of Microcystin Contamination to Human Health[J]. THESCIENTIFICWORLDJOURNAL,2010,10:1795-1809.
APA Wang, Qing.,Niu, Yuan.,Xie, Ping.,Chen, Jun.,Ma, Zhimei.,...&Xie, P, Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Wuhan, Peoples R China.(2010).Factors Affecting Temporal and Spatial Variations of Microcystins in Gonghu Bay of Lake Taihu, with Potential Risk of Microcystin Contamination to Human Health.THESCIENTIFICWORLDJOURNAL,10,1795-1809.
MLA Wang, Qing,et al."Factors Affecting Temporal and Spatial Variations of Microcystins in Gonghu Bay of Lake Taihu, with Potential Risk of Microcystin Contamination to Human Health".THESCIENTIFICWORLDJOURNAL 10(2010):1795-1809.
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