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Short-term impact of reservoir impoundment on the patterns of mercury distribution in a subtropical aquatic ecosystem, Wujiang River, southwest China
Li, Sixin2,3; Zhou, Lianfeng2,3; Wang, Hongjun2,3; Xiong, Meihua2,3; Yang, Zhi2,3; Hu, Juxiang2,3; Liang, Youguang2,3; Chang, Jianbo2,3
2013-07-01
Source PublicationENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume20Issue:7Pages:4396-4404
AbstractSurveys on pre- and post-impoundment total mercury concentrations in water, seston and fish were conducted during 2007-2008 in the Wujiang River, southwest China. Compared with the pre-impoundment, total mercury in the reservoir and downstream water rapidly increased by 164-303 % during the first half year of flooding, and then decreased by 61.7-62.2 % after 9 months of flooding. However, total mercury in seston from the reservoir and downstream generally declined. There was no significant difference in the total mercury between reservoir fish with different habitat preference and feeding habit. We find that fish tissue mercury concentration significantly increased threefold after flooding, and the increasing rate is lower than those in subarctic and temperate reservoirs. The pre- and post-impoundment fish samples exceeding the Chinese hygienic standard for tolerances of mercury in foods increased from 1.3 to 17.4 %. Long-term monitoring of fish mercury level in Wujiang River should be undertaken to ensure local food security.
SubtypeArticle
KeywordMercury Fish Impoundment Reservoir
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
WOS Subject ExtendedEnvironmental Sciences & Ecology
WOS KeywordHYDROELECTRIC RESERVOIRS ; NORTHERN MANITOBA ; FISH ; METHYLMERCURY ; BIOACCUMULATION ; ACCUMULATION ; INCREASES ; CANADA ; LAKE ; ZOOPLANKTON
Indexed BySCI
Language英语
WOS SubjectEnvironmental Sciences
WOS IDWOS:000321126700009
PublisherSPRINGER HEIDELBERG
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/68504
Collection中国科学院地理科学与资源研究所
Corresponding AuthorChang, Jianbo
Affiliation1.Chinese Acad Sci & Minist Water Resources, Inst Hydroecol, Key Lab Ecol Impacts Hydraul projects & Restorat, Wuhan 430079, Peoples R China
2.Minist Water Resources, Key Lab Ecol Impacts Hydraul Projects & Restorat, Inst Hydroecol, Wuhan 430079, Peoples R China
3.Chinese Acad Sci, Wuhan 430079, Peoples R China
Recommended Citation
GB/T 7714
Li, Sixin,Zhou, Lianfeng,Wang, Hongjun,et al. Short-term impact of reservoir impoundment on the patterns of mercury distribution in a subtropical aquatic ecosystem, Wujiang River, southwest China[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2013,20(7):4396-4404.
APA Li, Sixin.,Zhou, Lianfeng.,Wang, Hongjun.,Xiong, Meihua.,Yang, Zhi.,...&Chang, Jianbo.(2013).Short-term impact of reservoir impoundment on the patterns of mercury distribution in a subtropical aquatic ecosystem, Wujiang River, southwest China.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,20(7),4396-4404.
MLA Li, Sixin,et al."Short-term impact of reservoir impoundment on the patterns of mercury distribution in a subtropical aquatic ecosystem, Wujiang River, southwest China".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 20.7(2013):4396-4404.
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