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Proper land use for heavy metal-polluted soil based on enzymeactivity analysis around a Pb-Zn mine in Feng County, China
Fang,LC(Fang,Linchuan)1; Liu,YQ(Liu,Yuqing)2; Tian,HX(Tian,Haixia)1; Chen,HS(Chen,Hansong)3; Wang,YQ(Wang,Yunqiang)4; Huang,M(Huang,Min)2; Huang,Min
2017-10
Source PublicationEnvironmental Science and Pollution Research
Volume24Issue:6Pages:28152-28164
Subtype期刊论文
AbstractEnzymes in the soil are useful for assessing heavy metal soil pollution. We analyzed the activity of a number of enzymes, including urease, protease, catalase, and alkaline phosphatase, in three types of land (farmland, woodland, and grassland) to evaluate soil pollution by heavy metals (Pb, Zn, and Cd). Our results showed that the tested soil was polluted by a combination of Pb, Zn, and Cd, but the primary pollutant was Cd. An ecological dose analysis demonstrated that urease was the most sensitive enzyme to Pb and Cd in the farmland, and catalase and phosphatase were the most sensitive enzymes to Pb, Zn, and Cd in the woodland and grassland. The ecological risk of Cd (E Cd ) was the smallest in all three types of land, suggesting that Cd was the major metal inhibiting enzyme activity. Electrical conductivity (EC) was shown to be a negative regulator, while nitrogen, phosphorus, and clay contents were positive regulators of soil enzyme activity. The total enzyme index (TEI) inhibition rates in the woodland were 22.2 and 38.6% under moderate and heavy pollution, respectively, which were lower than those of the other two types of land. Therefore, woodlands might be the optimum land use choice in relieving heavy metal pollution. Taken together, this study identified the key metal pollutant inhibiting soil enzyme activity and suitable land use patterns around typical metal mine. These results provide possible improvement strategies to the phytomanagement of metal-contaminated land around world.
KeywordEnzyme Activities Heavymetal Landuse Tei Regulation
DOI10.1007/s11356-017-0308-4
Indexed BySCI
Project Number41571314 ; XAB2016A03
Language英语
Funding OrganizationNational Natural Science Foundation of China ; National Natural Science Foundation of China ; CASBLight of West China^ Program ; CASBLight of West China^ Program
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5613
Collection生态环境研究室
Corresponding AuthorHuang,Min
Affiliation1.State Key Laboratory of Soil Erosion and Dryland Farming on theLoess Plateau, Northwest A&F University, Yangling 712100, China
2.College of Resources and Environmental Engineering, WuhanUniversity of Technology, Wuhan, Hubei 430070, China
3.Xingzhi College, Zhejiang Normal University, Jinhua, ZhejiangProvince 321004, China
4.State Key Laboratory of Loess and Quaternary Geology, Institute ofEarth Environment, Chinese Academy of Sciences,Xi’an, Shaanxi 710061, China
Recommended Citation
GB/T 7714
Fang,LC,Liu,YQ,Tian,HX,et al. Proper land use for heavy metal-polluted soil based on enzymeactivity analysis around a Pb-Zn mine in Feng County, China[J]. Environmental Science and Pollution Research,2017,24(6):28152-28164.
APA Fang,LC.,Liu,YQ.,Tian,HX.,Chen,HS.,Wang,YQ.,...&Huang,Min.(2017).Proper land use for heavy metal-polluted soil based on enzymeactivity analysis around a Pb-Zn mine in Feng County, China.Environmental Science and Pollution Research,24(6),28152-28164.
MLA Fang,LC,et al."Proper land use for heavy metal-polluted soil based on enzymeactivity analysis around a Pb-Zn mine in Feng County, China".Environmental Science and Pollution Research 24.6(2017):28152-28164.
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