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胡鑫, 罗真华, 晏哲, 谢会雅, 周毅, 彭亮, 曾清如. 湖南某植烟土壤重金属含量及其生态风险评价[J]. 环境化学, 2015, 34(6): 1064-1071. doi: 10.7524/j.issn.0254-6108.2015.06.2014121604
引用本文: 胡鑫, 罗真华, 晏哲, 谢会雅, 周毅, 彭亮, 曾清如. 湖南某植烟土壤重金属含量及其生态风险评价[J]. 环境化学, 2015, 34(6): 1064-1071. doi: 10.7524/j.issn.0254-6108.2015.06.2014121604
shu
HU Xin, LUO Zhenhua, YAN Zhe, XIE Huiya, ZHOU Yi, PENG Liang, ZENG Qingru. Heavy metal contents and ecological risk assessment of the tobacco planting soils in Hunan province[J]. Environmental Chemistry, 2015, 34(6): 1064-1071. doi: 10.7524/j.issn.0254-6108.2015.06.2014121604
Citation: HU Xin, LUO Zhenhua, YAN Zhe, XIE Huiya, ZHOU Yi, PENG Liang, ZENG Qingru. Heavy metal contents and ecological risk assessment of the tobacco planting soils in Hunan province[J]. Environmental Chemistry, 2015, 34(6): 1064-1071. doi: 10.7524/j.issn.0254-6108.2015.06.2014121604
shu

湖南某植烟土壤重金属含量及其生态风险评价

  • 1.

    湖南农业大学资源环境学院, 长沙, 410128;

  • 2.

    湖南省烟草公司株洲市公司, 株洲, 412000

  • 基金项目:

    湖南省株州市烟草公司资助项目(SHZH(湘F)2013-006)资助.

Heavy metal contents and ecological risk assessment of the tobacco planting soils in Hunan province

  • 1.

    College of Resources and Environmental Science, Hunan Agricultural University, Changsha, 410128, China;

  • 2.

    Zhuzhou Branch of Hunan Tobacco Company, 412000, China

  • Fund Project:

  • 摘要: 采集了湖南某植烟区表层土壤样品112份,测定了土壤中6种重金属元素的含量,并采用单因子污染指数法、综合污染指数法和潜在生态危害指数法对其污染状况进行评价.结果表明,植烟区土壤重金属平均含量分别为36.25(Cu)、69.78(Zn)、37.66(Pb)、0.36(Cd)、12.71(As)、0.27(Hg) mg·kg-1.6个元素的变异系数在32.57%—59.03%之间,属于中等变异,元素分布不均.污染评价结果表明,植烟区土壤重金属Cu、Zn、Pb、As的单因子污染指数平均值小于1,其污染较轻.而重金属Cd和Hg的超标率为54.46%和58.04%,土壤受到Cd和Hg污染.潜在生态风险指数评价结果显示植烟区土壤重金属属于轻度污染.相关性分析结果表明Cu、Zn、Pb和Cd之间呈显著相关性,As和Hg相关性显著,说明其同源性较高.来源分析表明,研究区Cu、Zn、Pb和Cd污染来源东北部主要为矿区污染,西南部主要是人为源,As主要来源为成土母质和生活源,Hg主要为大气污染源.
    Abstract: The contents of six heavy metals in 112 surface samples collected in tobacco planting soil in Hunan province were analyzed, and the contamination of heavy metals in soils was assessed with single-factor pollution index method, Nemerow comprehensive pollution index method and potential ecological harm index method. The results indicated that the average content of six heavy metals in the tobacco planting soil was 36.25 mg·kg-1for Cu, 69.78 mg·kg-1 for Zn, 37.66 mg·kg-1 for Pb, 0.36 mg·kg-1 for Cd, 12.71 mg·kg-1 for As, 0.27 mg·kg-1 for Hg, respectively. The coefficient of variation (CV) of the six heavy metal contents ranged from 32.57% to 59.03%, which belonged to intermediate variation. The pollution assessment result showed that the average value of single-factor pollution index for Cu, Zn, Pb, As was less than 1,which was slight pollution level. But the main contributors of soil heavy metal pollution in the tobacco planting soil were Cd and Hg, with an over-standard rate of 54.46% and 58.04%. The result of correlation analysis showed that there was a significant positive correlation among Cu, Zn, Pb and Cd. As also has significant positive correlation with Hg. The source apportionment analysis demonstrates that Cu, Zn, Pb and Cd in northeast part of research area soil were polluted by mining and in southwest part were influenced by anthropogenic activities. The soil parent material and anthropogenic activities were the sources of As. And Hg was influenced by atmospheric pollution source.
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  • 收稿日期:  2014-12-16
  • 刊出日期:  2015-06-15
胡鑫, 罗真华, 晏哲, 谢会雅, 周毅, 彭亮, 曾清如. 湖南某植烟土壤重金属含量及其生态风险评价[J]. 环境化学, 2015, 34(6): 1064-1071. doi: 10.7524/j.issn.0254-6108.2015.06.2014121604
引用本文: 胡鑫, 罗真华, 晏哲, 谢会雅, 周毅, 彭亮, 曾清如. 湖南某植烟土壤重金属含量及其生态风险评价[J]. 环境化学, 2015, 34(6): 1064-1071. doi: 10.7524/j.issn.0254-6108.2015.06.2014121604
shu
HU Xin, LUO Zhenhua, YAN Zhe, XIE Huiya, ZHOU Yi, PENG Liang, ZENG Qingru. Heavy metal contents and ecological risk assessment of the tobacco planting soils in Hunan province[J]. Environmental Chemistry, 2015, 34(6): 1064-1071. doi: 10.7524/j.issn.0254-6108.2015.06.2014121604
Citation: HU Xin, LUO Zhenhua, YAN Zhe, XIE Huiya, ZHOU Yi, PENG Liang, ZENG Qingru. Heavy metal contents and ecological risk assessment of the tobacco planting soils in Hunan province[J]. Environmental Chemistry, 2015, 34(6): 1064-1071. doi: 10.7524/j.issn.0254-6108.2015.06.2014121604
shu

湖南某植烟土壤重金属含量及其生态风险评价

  • 1.  湖南农业大学资源环境学院, 长沙, 410128;
  • 2.  湖南省烟草公司株洲市公司, 株洲, 412000
  • 收稿日期:  2014-12-16
基金项目:

湖南省株州市烟草公司资助项目(SHZH(湘F)2013-006)资助.

摘要: 采集了湖南某植烟区表层土壤样品112份,测定了土壤中6种重金属元素的含量,并采用单因子污染指数法、综合污染指数法和潜在生态危害指数法对其污染状况进行评价.结果表明,植烟区土壤重金属平均含量分别为36.25(Cu)、69.78(Zn)、37.66(Pb)、0.36(Cd)、12.71(As)、0.27(Hg) mg·kg-1.6个元素的变异系数在32.57%—59.03%之间,属于中等变异,元素分布不均.污染评价结果表明,植烟区土壤重金属Cu、Zn、Pb、As的单因子污染指数平均值小于1,其污染较轻.而重金属Cd和Hg的超标率为54.46%和58.04%,土壤受到Cd和Hg污染.潜在生态风险指数评价结果显示植烟区土壤重金属属于轻度污染.相关性分析结果表明Cu、Zn、Pb和Cd之间呈显著相关性,As和Hg相关性显著,说明其同源性较高.来源分析表明,研究区Cu、Zn、Pb和Cd污染来源东北部主要为矿区污染,西南部主要是人为源,As主要来源为成土母质和生活源,Hg主要为大气污染源.

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