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Heavy metal contents and enrichment characteristics of dominant plants in wasteland of the downstream of a lead-zinc mining area in Guangxi, Southwest China

文献类型：期刊论文

作者Zhu, Guangxu1,2; Xiao, Huayun1,2; Guo, Qingjun3; Song, Bo4; Zheng, Guodi3; Zhang, Zhongyi1; Zhao, Jingjing1; Okoli, Chukwunonso Peter3
刊名ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
出版日期2018-04-30
卷号151页码:260-265
关键词Dominant Plants Pb-Zn Mine Heavy Metal Pollution Phytoremediation Cd-hyperaccumulator
ISSN号0147-6513
DOI10.1016/j.ecoenv.2018.01.011
通讯作者Zhu, Guangxu(zhuguangxu@mail.gyig.ac.cn) ; Xiao, Huayun(xiaohuayun@vip.skleg.cn)
英文摘要A field investigation on the content of heavy metals in soils and 17 kinds of dominant plants from wasteland of the downstream of a Pb-Zn mine in Northwest Guangxi Zhuang Autonomous Region was carried out. The absorption and accumulation characteristics of heavy metals between plants and soil were compared, and the candidate species for ecosystem restoration of the area were selected. The results indicated that the soils had been subjected to pollution of heavy metals in varying degrees. The concentrations of Cd, Pb, Zn were 46.5, 57.3 and 23.7 times higher than their corresponding background values, respectively. The contents of Cd, Pb and Zn in the most analyzed plants exceed the normal ranges and the phytotoxic level. C. crepidioides, S. nigrum, B. pilosa, C. Canadensis, A. conyzoides, I. denticulata and E. crusgali showed strong capability in accumulation and transport of Cd, and they could be used as good candidates for Cd- phytoextraction. Among which, Cd concentration in the aerial part of C. crepidioides exceeded the threshold of Cd-hyperaccumulator. Thus, C. crepidioides demonstrated the basic characteristics of a Cd-hyperaccumulator. The lower translocation ratios for Cd, Cu, Zn and Pb in P. vittata and C. chinensis make them suitable for phytostabilization in the study area.
WOS关键词HEALTH-RISK ASSESSMENT ; CONTAMINATED SOILS ; SMELTING AREAS ; HUNAN PROVINCE ; MINE TAILINGS ; NATIVE PLANTS ; ACCUMULATION ; PHYTOREMEDIATION ; POLLUTION ; PHYTOSTABILIZATION
资助项目National Natural Science Foundation of China[41425014] ; National Natural Science Foundation of China[41625006] ; China Postdoctoral Science Foundation[2015M582578] ; National High Technology Research and Development Program (863) of China[2013AA06A211-2] ; National Basic Research Program (973) of China[2014CB238906] ; Chinese Academy of Sciences[TSYJS01]
WOS研究方向Environmental Sciences & Ecology ; Toxicology
语种英语
WOS记录号WOS:000427810900035
出版者ACADEMIC PRESS INC ELSEVIER SCIENCE
资助机构National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; National High Technology Research and Development Program (863) of China ; National Basic Research Program (973) of China ; Chinese Academy of Sciences
源URL[http://ir.igsnrr.ac.cn/handle/311030/57228]  
专题中国科学院地理科学与资源研究所
通讯作者Zhu, Guangxu; Xiao, Huayun
作者单位1.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550081, Guizhou, Peoples R China
2.Guiyang Univ, Coll Biol & Environm Engn, Guiyang 550005, Guizhou, Peoples R China
3.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Ctr Environm Remediat, Beijing 100101, Peoples R China
4.Guilin Univ Technol, Coll Environm Sci & Engn, Guilin 541004, Peoples R China
推荐引用方式
GB/T 7714		 Zhu, Guangxu,Xiao, Huayun,Guo, Qingjun,et al. Heavy metal contents and enrichment characteristics of dominant plants in wasteland of the downstream of a lead-zinc mining area in Guangxi, Southwest China[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2018,151:260-265.
APA Zhu, Guangxu.,Xiao, Huayun.,Guo, Qingjun.,Song, Bo.,Zheng, Guodi.,...&Okoli, Chukwunonso Peter.(2018).Heavy metal contents and enrichment characteristics of dominant plants in wasteland of the downstream of a lead-zinc mining area in Guangxi, Southwest China.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,151,260-265.
MLA Zhu, Guangxu,et al."Heavy metal contents and enrichment characteristics of dominant plants in wasteland of the downstream of a lead-zinc mining area in Guangxi, Southwest China".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 151(2018):260-265.

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来源：地理科学与资源研究所

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