Arid
DOI10.1007/s13580-017-0077-5
Transfer of heavy metals from the polluted rhizosphere soil to Celosia argentea L. in copper mine tailings
Shen, Zhangjun1; Wang, Yupeng2; Chen, Yansong1; Zhang, Zhen2
通讯作者Zhang, Zhen
来源期刊HORTICULTURE ENVIRONMENT AND BIOTECHNOLOGY
ISSN2211-3452
EISSN2211-3460
出版年2017
卷号58期号:1页码:93-100
英文摘要

Copper mine tailings are often contaminated by a range of heavy metals, which can restrict plant growth. The aim of this study was to investigate the degree of soil contamination by copper (Cu), zinc (Zn), lead (Pb), cadmium (Cd), chromium (Cr), and manganese (Mn) in a deserted copper mine tailings site, as well as the translocation of these heavy metals into the rhizosphere soil and the root, fibril and shoot tissues of a tolerant plant, Celosia argentea. In order of concentration, the heavy metal concentrations in the soils were Cu ae Mn > Zn ae Cr > Pb > Cd, and the mean concentrations of Cu, Zn, Pb, and Cd in the rhizosphere were 1.8, 1.6, 1.5, and 1.2 times greaterthanin the non-rhizosphere soil, respectively. The concentrations of all examined heavy metals except for Pb were higher than the second-level criterion of the Chinese soil environmental quality standard (CSES) (GB15618-1995) in both soil samples. The pollution load indexes of Cu, Zn, Pb, Cd, and Cr in the rhizosphere were 28.13, 1.69, 0.148, 8.67, and 1.49, respectively, using the CSES. Cu and Cr were mainly stored in the roots of C. argentea, whileCd, Mn, and Zn accumulated in the shoots. The translocation factors of Zn, Cd, and Mn were greater than 1, and the Cd enrichment factor of the C. argentea shoots was close to 1. This indicates that C. argentea is a hyperaccumulator of Cd, and could be used in the phytoremediation of Cd-contaminated soils.


英文关键词enrichment factor hyperaccumulator pollution load indexes translocation factors phytoremediation
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000396207200012
WOS关键词MINING AREA ; PLANTS ; BIOAVAILABILITY ; CADMIUM ; CHINA ; ZINC ; PH ; ACCUMULATION ; TOXICITY ; CALCIUM
WOS类目Horticulture
WOS研究方向Agriculture
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/199431
作者单位1.Hefei Normal Univ, Sch Life Sci, Hefei 230601, Peoples R China;
2.Anhui Agr Univ, Sch Resources & Environm, Hefei 230036, Peoples R China
推荐引用方式
GB/T 7714
Shen, Zhangjun,Wang, Yupeng,Chen, Yansong,et al. Transfer of heavy metals from the polluted rhizosphere soil to Celosia argentea L. in copper mine tailings[J],2017,58(1):93-100.
APA Shen, Zhangjun,Wang, Yupeng,Chen, Yansong,&Zhang, Zhen.(2017).Transfer of heavy metals from the polluted rhizosphere soil to Celosia argentea L. in copper mine tailings.HORTICULTURE ENVIRONMENT AND BIOTECHNOLOGY,58(1),93-100.
MLA Shen, Zhangjun,et al."Transfer of heavy metals from the polluted rhizosphere soil to Celosia argentea L. in copper mine tailings".HORTICULTURE ENVIRONMENT AND BIOTECHNOLOGY 58.1(2017):93-100.
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