Effects of different concentrations of mercury on accumulation of mercury by five plant species

被引：25
作者：
Liu, Zhongchuang [1 ,2 ,3 ]
Wang, Li-ao [4 ,5 ]
Xu, Jianhua [1 ,2 ,3 ]
Ding, Shimin [1 ,2 ,3 ]
Feng, Xianghua [1 ,2 ,3 ]
Xiao, Hongyan [1 ,2 ,3 ]
机构：
[1] Yangtze Normal Univ, Sch Chem & Chem Engn, 16 Juxian Rd Lidu, Fuling Dist Of Chongqing, Peoples R China
[2] Yangtze Normal Univ, Three Gorges Reservoir Area Res Ctr Environm Moni, 16 Juxian Rd Lidu, Fuling Dist Of Chongqing, Peoples R China
[3] Yangtze Normal Univ, Collaborat Innovat Ctr Green Dev Wuling Mt Areas, 16 Juxian Rd Lidu, Fuling Dist Of Chongqing, Peoples R China
[4] Chongqing Univ, State Key Lab Coal Mine Disaster Dynam & Control, 174 Shazheng St, Chongqing, Peoples R China
[5] Chongqing Univ, Coll Resources & Environm Sci, 174 Shazheng St, Chongqing, Peoples R China
来源：
ECOLOGICAL ENGINEERING | 2017年 / 106卷
关键词：
Phytoremediation; Mercury-contaminated soils; Accumulation; CONTAMINATED SOILS; ATMOSPHERIC MERCURY; PHYTOREMEDIATION; GOLD; PHYTOEXTRACTION; METHYLMERCURY; PROVINCE; REMOVAL; GUIZHOU; CHINA;
D O I：
10.1016/j.ecoleng.2017.05.051
中图分类号：
Q14 [生态学（生物生态学）];
学科分类号：
071012 ; 0713 ;
摘要：
The paper studied the absorption of Hg by five common herb species selected, Opuntia stricta, Aloe vera, Setcreasea purpurea, Chlorophytum comosum and Oxalis corniculata, in solution with different levels of mercury. We compared the accumulation of roots and shoots of the plants selected in medium containing different concentrations of mercury. The study was to explore what extent of mercury the five plant species were suitable for absorbing and transferring. The mercury amount uptake by five herb species was tested by CVAAS. The results demonstrated that the effect of different concentrations of mercury on the accumulation condition of roots was greater than that of shoots. There was an ideal Hg concentration for transfer by each plant species. Oxalis corniculata was the most suitable for transferring Hg and was more suitable for repairing soils with Hg at concentrations of less than 500 mu g/L. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：273 / 278
页数：6
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