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天然石生苔藓汞含量及对大气汞污染的生物指示

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曹阿翔, 敖明, 梁隆超, 徐晓航, 仇广乐, 陈卓. 天然石生苔藓汞含量及对大气汞污染的生物指示[J]. 环境化学, 2016, 35(10): 2204-2210. doi: 10.7524/j.issn.0254-6108.2016.10.2016022505
引用本文: 曹阿翔, 敖明, 梁隆超, 徐晓航, 仇广乐, 陈卓. 天然石生苔藓汞含量及对大气汞污染的生物指示[J]. 环境化学, 2016, 35(10): 2204-2210. doi: 10.7524/j.issn.0254-6108.2016.10.2016022505
shu
CAO Axiang, AO Ming, LIANG Longchao, XU Xiaohang, QIU Guangle, CHEN Zhuo. Mercury concentration in epilithic mosses and its bio-indication of atmospheric mercury pollution[J]. Environmental Chemistry, 2016, 35(10): 2204-2210. doi: 10.7524/j.issn.0254-6108.2016.10.2016022505
Citation: CAO Axiang, AO Ming, LIANG Longchao, XU Xiaohang, QIU Guangle, CHEN Zhuo. Mercury concentration in epilithic mosses and its bio-indication of atmospheric mercury pollution[J]. Environmental Chemistry, 2016, 35(10): 2204-2210. doi: 10.7524/j.issn.0254-6108.2016.10.2016022505
shu

天然石生苔藓汞含量及对大气汞污染的生物指示

  • 1.

    贵州师范大学化学与材料科学学院, 贵阳, 550001;

  • 2.

    中国科学院地球化学研究所环境地球化学国家重点实验室, 贵阳, 550081;

  • 3.

    贵州大学资源与环境工程学院, 贵阳, 550025;

  • 4.

    中国科学院大学, 北京, 100049;

  • 5.

    贵阳市大气细粒子和大气污染化学重点实验室, 贵阳, 550001

  • 基金项目:

    受贵州师范大学研究生创新基金（研创201516），国家重点基础研究发展计划项目（2013CB430004），国家自然科学基金（41573135），贵阳市科技计划项目（筑科合同[2011401]社6-3号），贵阳市科技计划项目（筑科合同[2012303]14号）资助.

Mercury concentration in epilithic mosses and its bio-indication of atmospheric mercury pollution

  • 1.

    School of Chemistry and Material Science, Guizhou Normal University, Guiyang, 550001, China;

  • 2.

    State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, 550081, China;

  • 3.

    College of Resource and Environmental Engineering, Guizhou University, Guiyang, 550025, China;

  • 4.

    University of Chinese Academy of Sciences, Beijing, 100049, China;

  • 5.

    Key Laboratory of Atmospheric Fine Particles and Air Pollution Chemistry of Guiyang, Guiyang, 550001, China

  • Fund Project: Supported by Postgraduate's Innovation Fund of Guizhou Normal University(201516), the National Basic Research Program of China (2013CB430004), National Natural Science Foundation of China(41573135), Technological Program of Guiyang([2011401]6-3), Technological Program of Guiyang([2012303]14).

  • 摘要: 采集贵州万山汞矿区6属7种优势种类苔藓84个样品，测定其汞含量，同时现场监测部分苔藓采样点近地表大气汞，定量分析苔藓汞和大气汞质量浓度之间的关系.结果显示，研究区苔藓汞质量浓度范围为0.96-126 μg·g-1，平均值80±46 μg·g-1，受触媒生产、废触媒回收等涉汞化工厂生产活动影响显著；苔藓汞与大气汞呈正相关关系，表现为线性拟合相关性系数r=0.93（n=12，P=0.01030），多项式拟合相关性系数r=0.96（n=12，P=0.01169），对数拟合相关性系数r=0.96（n=12，P=0.00469）；选择对数拟合方程估算苔藓采样点大气汞浓度，发现拟合得到的大气汞空间分布特征和实测苔藓汞空间分布特征基本一致，从而通过定量/半定量方法证明了可以利用苔藓汞指示大气汞污染，为汞污染场地修复过程中的大气汞污染评价提供了新思路.
    Abstract: Six families of mosses, consisting of seven species were collected from Wanshan mercury (Hg) mining region for Hg concentration analysis. Simultaneously, the total gaseous mercury (TGM) concentrations were in situ measured at some moss sampling sites. Results showed that the mean concentration of Hg in mosses was 80±46 μg·g-1 with a range of 0.96-126 μg·g-1, which was heavily impacted by chemical plants pertaining to Hg productions like mercuric chloride catalyst production and abandoned catalyst recycling. A positive correlation between Hg in mosses and its corresponding ambient air TGM was observed, with a coefficient r=0.93(n=12, P=0.01030) in linear fitting, r=0.96(n=12, P=0.01169) in polynomial fitting, and r=0.96(n=12, P=0.00469) in logarithmic fitting. Using the estimated concentrations of TGM from the logarithmic fitting equation, the pattern of TGM spatial distribution was consistent with that of Hg in mosses. Therefore moss can be considered as a biological indicator of atmospheric Hg pollution and was proved by a quantitative/semi-quantitative method in the research. This study provides a new methodology for the evaluation of atmospheric Hg pollution in contaminated sites.
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  • 收稿日期:  2016-02-25
  • 刊出日期:  2016-10-15
曹阿翔, 敖明, 梁隆超, 徐晓航, 仇广乐, 陈卓. 天然石生苔藓汞含量及对大气汞污染的生物指示[J]. 环境化学, 2016, 35(10): 2204-2210. doi: 10.7524/j.issn.0254-6108.2016.10.2016022505
引用本文: 曹阿翔, 敖明, 梁隆超, 徐晓航, 仇广乐, 陈卓. 天然石生苔藓汞含量及对大气汞污染的生物指示[J]. 环境化学, 2016, 35(10): 2204-2210. doi: 10.7524/j.issn.0254-6108.2016.10.2016022505
shu
CAO Axiang, AO Ming, LIANG Longchao, XU Xiaohang, QIU Guangle, CHEN Zhuo. Mercury concentration in epilithic mosses and its bio-indication of atmospheric mercury pollution[J]. Environmental Chemistry, 2016, 35(10): 2204-2210. doi: 10.7524/j.issn.0254-6108.2016.10.2016022505
Citation: CAO Axiang, AO Ming, LIANG Longchao, XU Xiaohang, QIU Guangle, CHEN Zhuo. Mercury concentration in epilithic mosses and its bio-indication of atmospheric mercury pollution[J]. Environmental Chemistry, 2016, 35(10): 2204-2210. doi: 10.7524/j.issn.0254-6108.2016.10.2016022505
shu

天然石生苔藓汞含量及对大气汞污染的生物指示

  • 1.  贵州师范大学化学与材料科学学院, 贵阳, 550001;
  • 2.  中国科学院地球化学研究所环境地球化学国家重点实验室, 贵阳, 550081;
  • 3.  贵州大学资源与环境工程学院, 贵阳, 550025;
  • 4.  中国科学院大学, 北京, 100049;
  • 5.  贵阳市大气细粒子和大气污染化学重点实验室, 贵阳, 550001
  • 收稿日期:  2016-02-25
基金项目:

受贵州师范大学研究生创新基金（研创201516），国家重点基础研究发展计划项目（2013CB430004），国家自然科学基金（41573135），贵阳市科技计划项目（筑科合同[2011401]社6-3号），贵阳市科技计划项目（筑科合同[2012303]14号）资助.

摘要: 采集贵州万山汞矿区6属7种优势种类苔藓84个样品，测定其汞含量，同时现场监测部分苔藓采样点近地表大气汞，定量分析苔藓汞和大气汞质量浓度之间的关系.结果显示，研究区苔藓汞质量浓度范围为0.96-126 μg·g-1，平均值80±46 μg·g-1，受触媒生产、废触媒回收等涉汞化工厂生产活动影响显著；苔藓汞与大气汞呈正相关关系，表现为线性拟合相关性系数r=0.93（n=12，P=0.01030），多项式拟合相关性系数r=0.96（n=12，P=0.01169），对数拟合相关性系数r=0.96（n=12，P=0.00469）；选择对数拟合方程估算苔藓采样点大气汞浓度，发现拟合得到的大气汞空间分布特征和实测苔藓汞空间分布特征基本一致，从而通过定量/半定量方法证明了可以利用苔藓汞指示大气汞污染，为汞污染场地修复过程中的大气汞污染评价提供了新思路.

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