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Two potential multi-metal hyperaccumulators found in four mining sites in Hunan Province, China
Wan, Xiaoming; Lei, Mei; Yang, Junxing
2017
Source PublicationCATENA
ISSN0341-8162
Volume148Pages:67-73
Corresponding AuthorLei, Mei(leim@igsnrr.ac.cn)
AbstractMulti-metal pollution in mines and their surrounding areas causes major environmental and health problems. An investigation on the soil quality in four mining sites revealed serious heavy metal (HM) contamination. The contents of As, Pb, Zn, Cd, Cu, and Sb showed high HM pollution. Compared with the national second soil environmental quality standard, the over-standard rates of As, Pb, Zn, Cd, Cu, and Sb were 97.8%, 80.0%, 82.2%, 68.9%, 88.9%, and 733%, respectively. Phytoextraction is an emerging remediation technology for HM-contaminated soil. However, hyperaccumulators that can simultaneously extract multi-metals have been rarely reported. A field survey was conducted in the four mining sites; results showed that Pteris vittata L. and Viola principis H. de Boiss were two potential multi-metal extractors. Two plant species could thrive on soils severely contaminated with multiple metals. P. vittata accumulated 4106 mg As kg(-1), 499.5 mg Pb kg(-1), and 321.5 mg Sb 1 in the aboveground parts; by comparison, V. principis accumulated 1032 mg As kg(-1), 2350 mg Pb kg(-1), and 1201 mg Cd kg(-1) in the aboveground parts. The bioaccumulation factor of P. vittata for As, Pb, Zn, and Sb was > 1. The bioaccumulation factor of V. principis for As, Pb, Zn, and Cd was also >1. Therefore, P. vittata is an As hyperaccumulator and a Pb and Sb accumulator. By contrast, V. principis is a Cd, Pb, and As hyperaccumulator. (C) 2016 Elsevier B.V. All rights reserved.
KeywordMultiple metals Phytoextraction Pteris vittata L. Soil Viola principis H. de Boiss
DOI10.1016/j.catena.2016.02.005
WOS KeywordSEDUM-ALFREDII HANCE ; PTERIS-VITTATA L. ; HEAVY-METALS ; THLASPI-CAERULESCENS ; RISK-ASSESSMENT ; PLANT UPTAKE ; SOILS ; ACCUMULATION ; ANTIMONY ; PHYTOEXTRACTION
Indexed BySCI
Language英语
WOS Research AreaGeology ; Agriculture ; Water Resources
WOS SubjectGeosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS IDWOS:000389291900011
PublisherELSEVIER SCIENCE BV
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/65590
Collection中国科学院地理科学与资源研究所
Corresponding AuthorLei, Mei
AffiliationChinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
Recommended Citation
GB/T 7714
Wan, Xiaoming,Lei, Mei,Yang, Junxing. Two potential multi-metal hyperaccumulators found in four mining sites in Hunan Province, China[J]. CATENA,2017,148:67-73.
APA Wan, Xiaoming,Lei, Mei,&Yang, Junxing.(2017).Two potential multi-metal hyperaccumulators found in four mining sites in Hunan Province, China.CATENA,148,67-73.
MLA Wan, Xiaoming,et al."Two potential multi-metal hyperaccumulators found in four mining sites in Hunan Province, China".CATENA 148(2017):67-73.
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