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Differential bioaccumulation of mercury by zooplankton taxa in a mercury-contaminated reservoir Guizhou China
Long, Sheng-Xing1,3; Hamilton, Paul B.2; Yang, Yang1; Wang, Sai1; Huang, Wen-da1; Chen, Chuan3; Tao, Ran1
Corresponding AuthorYang, Yang(Yangyang@scies.org)
2018-08-01
Source PublicationENVIRONMENTAL POLLUTION
ISSN0269-7491
Volume239Pages:147-160
AbstractMercury (Hg) contamination in aquatic systems remains a global concern with the biomagnification of methylmercury (MeHg) through primary consumers (zooplankton) to fish and humans. In this study, total mercury (THg) and MeHg concentrations were analyzed in zooplankton collected from Baihua reservoir (Guizhou Province, China). Our results demonstrated that THg and MeHg concentrations were strongly correlated to zooplankton community and biomass composition. The THg concentration was significantly higher in micro-zooplankton compared to meso-zooplankton and macro-zooplankton, and MeHg concentration increased significantly as body size increased. Hg increases in zooplankton were influenced by the numbers of calanoid copepods and Daphnia present relative to phytoplankton and zooplankton biomass. Many zooplankton taxa in the three size-fractions were affected by THg exposure. The biomasses of Bosmina longirostris, Thermocyclops brevifurcatus, Asplanchna priodonta and Cyclops vicinus vicinus were positively correlated with Hg accumulation, while Daphnia hyalina, and Phyllodiaptomus tunguidus had a negative association. THg and MeHg bioaccumulation factors were correlated with phosphorus and total nitrogen concentration, zooplankton biomass, and chlorophyll-a concentration. Phosphorus loading was associated with increased THg and MeHg accumulation in the zooplankton highlighting biomagification with eutrophication. Chlorophyll-a levels were not correlated to THg and MeHg accumulation in zooplankton when phytoplankton densities were >10(7) cells L-1 and chlorophyll-a concentrations <9 mu g L-1. This finding contradicts the idea of MeHg biodilution with increased algae biomass. However, changes in the phytoplankton species and biomass altered the availability of food for zooplankton, particularly micro-zooplankton and macro-zooplankton. Ultimately, the bioaccumulation of MeHg and THg across lower trophic levels was based more on the availability of preferred food resources than on total biological productivity. (C) 2018 Elsevier Ltd. All rights reserved.
KeywordZooplankton Mercury (Hg) Methylmercury (MeHg) Phytoplankton Environmental factors
DOI10.1016/j.envpol.2018.04.008
Funding OrganizationNational Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature
Indexed BySCI ; SCI
Language英语
Funding ProjectNational Natural Science Foundation of China-Guangdong United Foundation[U1501235] ; RAC grant from the Canadian Museum of Nature
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000434744800013
WOS KeywordWATER FOOD WEBS ; METHYL MERCURY ; METHYLMERCURY ACCUMULATION ; EUTROPHIC RESERVOIR ; PARTICULATE MATTER ; BODY-SIZE ; PATTERNS ; FOREST ; ALGAL ; LAKE
PublisherELSEVIER SCI LTD
Funding OrganizationNational Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; National Natural Science Foundation of China-Guangdong United Foundation ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature ; RAC grant from the Canadian Museum of Nature
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/30601
Collection中科院水生所知识产出(2009年前)
Corresponding AuthorYang, Yang
Affiliation1.JiNan Univ, Coll Life Sci & Technol, Inst Hydrobiol, Guangzhou 510632, Guangdong, Peoples R China
2.Canadian Museum Nat, Res & Collect, POB 3443,Stn D, Ottawa, ON K1P 6P4, Canada
3.Guizhou Normal Univ, Guiyang 550001, Guizhou, Peoples R China
Recommended Citation
GB/T 7714
Long, Sheng-Xing,Hamilton, Paul B.,Yang, Yang,et al. Differential bioaccumulation of mercury by zooplankton taxa in a mercury-contaminated reservoir Guizhou China[J]. ENVIRONMENTAL POLLUTION,2018,239:147-160.
APA Long, Sheng-Xing.,Hamilton, Paul B..,Yang, Yang.,Wang, Sai.,Huang, Wen-da.,...&Tao, Ran.(2018).Differential bioaccumulation of mercury by zooplankton taxa in a mercury-contaminated reservoir Guizhou China.ENVIRONMENTAL POLLUTION,239,147-160.
MLA Long, Sheng-Xing,et al."Differential bioaccumulation of mercury by zooplankton taxa in a mercury-contaminated reservoir Guizhou China".ENVIRONMENTAL POLLUTION 239(2018):147-160.
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