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Heavy metals in paddy soil-rice systems of industrial and township areas from subtropical China: Levels, transfer and health risks
Lu, Anxiang1,2; Li, Bingru1,2; Li, Jing3; Chen, Wei4,5,6; Xu, Li1,2
2018-11-01
Source PublicationJOURNAL OF GEOCHEMICAL EXPLORATION
ISSN0375-6742
Volume194Pages:210-217
Corresponding AuthorChen, Wei(wei.chen@cug.edu.cn) ; Xu, Li(xuliforever@163.com)
AbstractThe levels, transfer factors and health risks of selected metals were investigated in paddy soil-rice systems of industrial and township areas from subtropical China. The mean concentrations of cadmium (Cd), lead (Pb), arsenic (As) and mercury (Hg) in paddy soils were 1.08, 52.8, 19.5 and 0.20 mg.kg(-1) (dry weight), respectively. The concentrations of Cd from ca. 99% of the soil samples and 68.9% of the rice grain samples in the study region were above the allowable limits according to the current standards. The concentrations of Cd and Pb in paddy soil from industrial areas were significantly higher than those from township and clean areas, however, these situations did not happen for Cd and Pb concentrations in rice grains. The mean of transfer factors of Cd was 0.742, which was the highest of all selected metals. The soil pH and transfer factors of Cd were analyzed separately in groups of 0.1 pH unit interval. Piecewise means of the log Cd transfer factors kept around -0.10 between soil pH 4.3 and 6.3, whereas linearly decreased by a factor of 1.80 with the increase of soil pH from 6.4 to 7.7. The high hazard index values and cancer risk values were found in our study area, indicating a high non-carcinogenic and carcinogenic health risk from consumption of rice grains.
KeywordSoil contamination Rice grains Cadmium pH Health risk assessment
DOI10.1016/j.gexplo.2018.08.003
WOS KeywordGREENHOUSE VEGETABLE PRODUCTION ; AGRICULTURAL SOILS ; ARSENIC ACCUMULATION ; CADMIUM ; CONTAMINATION ; PROVINCE ; GRAIN ; CD ; PHYTOAVAILABILITY ; BIOAVAILABILITY
Indexed BySCI
Language英语
Funding ProjectSpecial Scientific Research Fund of Agricultural Public Welfare of China[201403014-04] ; Innovation and Capacity-building Projects by the Beijing Academy of Agriculture and Forestry Sciences[KJCX20180406] ; Innovation and Capacity-building Projects by the Beijing Academy of Agriculture and Forestry Sciences[KJCX20170419] ; Youth Fund of Beijing Academy of Agriculture and Forestry Sciences[QNJJ201717]
Funding OrganizationSpecial Scientific Research Fund of Agricultural Public Welfare of China ; Innovation and Capacity-building Projects by the Beijing Academy of Agriculture and Forestry Sciences ; Youth Fund of Beijing Academy of Agriculture and Forestry Sciences
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000447940000017
PublisherELSEVIER SCIENCE BV
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/52782
Collection中国科学院地理科学与资源研究所
Corresponding AuthorChen, Wei; Xu, Li
Affiliation1.Beijing Acad Agr & Forestry Sci, Beijing Res Ctr Agr Stand & Testing, Beijing 100097, Peoples R China
2.Beijing Municipal Key Lab Agr Environm Monitoring, Beijing 100097, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Ecosyst Network Observat & Modeling, Beijing 100101, Peoples R China
4.China Univ Geosci, Sch Environm Studies, Wuhan 430074, Hubei, Peoples R China
5.China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Hubei, Peoples R China
6.Hong Kong Baptist Univ, State Key Lab Environm & Biol Anal, Hong Kong, Hong Kong, Peoples R China
Recommended Citation
GB/T 7714
Lu, Anxiang,Li, Bingru,Li, Jing,et al. Heavy metals in paddy soil-rice systems of industrial and township areas from subtropical China: Levels, transfer and health risks[J]. JOURNAL OF GEOCHEMICAL EXPLORATION,2018,194:210-217.
APA Lu, Anxiang,Li, Bingru,Li, Jing,Chen, Wei,&Xu, Li.(2018).Heavy metals in paddy soil-rice systems of industrial and township areas from subtropical China: Levels, transfer and health risks.JOURNAL OF GEOCHEMICAL EXPLORATION,194,210-217.
MLA Lu, Anxiang,et al."Heavy metals in paddy soil-rice systems of industrial and township areas from subtropical China: Levels, transfer and health risks".JOURNAL OF GEOCHEMICAL EXPLORATION 194(2018):210-217.
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