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渔业养殖区水环境中汞的形态分布

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何杉杉, 尤琼智, 吴胜春, 高雪飞, 王远娜, 梁鹏. 渔业养殖区水环境中汞的形态分布[J]. 环境化学, 2015, 34(10): 1911-1917. doi: 10.7524/j.issn.0254-6108.2015.10.2015052104
引用本文: 何杉杉, 尤琼智, 吴胜春, 高雪飞, 王远娜, 梁鹏. 渔业养殖区水环境中汞的形态分布[J]. 环境化学, 2015, 34(10): 1911-1917. doi: 10.7524/j.issn.0254-6108.2015.10.2015052104
shu
HE Shanshan, YOU Qiongzhi, WU Shengchun, GAO Xuefei, WANG Yuanna, LIANG Peng. Distribution of mercury species in aquatic environment in marine aquaculture zones[J]. Environmental Chemistry, 2015, 34(10): 1911-1917. doi: 10.7524/j.issn.0254-6108.2015.10.2015052104
Citation: HE Shanshan, YOU Qiongzhi, WU Shengchun, GAO Xuefei, WANG Yuanna, LIANG Peng. Distribution of mercury species in aquatic environment in marine aquaculture zones[J]. Environmental Chemistry, 2015, 34(10): 1911-1917. doi: 10.7524/j.issn.0254-6108.2015.10.2015052104
shu

渔业养殖区水环境中汞的形态分布

  • 1.

    浙江农林大学环境与资源学院, 杭州, 311300;

  • 2.

    浙江省土壤污染生物修复重点实验室, 杭州, 311300

  • 基金项目:

    国家自然科学基金(21307114),中国博士后基金(2013M540719)资助.

Distribution of mercury species in aquatic environment in marine aquaculture zones

  • 1.

    School of Environmental & Resources Science, Zhejiang A&F University, Hangzhou, 311300, China;

  • 2.

    Key Laboratory of Soil Contamination Bioremediation of Zhejiang Province, Hangzhou, 311300, China

  • Fund Project:

  • 摘要: 为研究渔业养殖对水生生态环境中汞形态变化的影响, 采用气相色谱-冷原子荧光法对浙江省舟山市六横岛海水样品中不同形态汞含量进行测定分析.结果表明, 对于总汞(THg)、溶解态汞(DHg)和颗粒态汞(PHg), 养殖区上浮水体与对照区上浮水体之间无显著差异(P>0.05).纵向分布看, 底层水体PHg含量要显著高于中间层和表层(P-1)要显著高于养殖区 (0.031±0.007 pmol·L-1)(P<0.05), 这可能是由于常年养殖活动致使沉积物中大量有机物积累, 有机物与无机汞离子络合, 减少了汞的生物有效性, 从而抑制了甲基汞的生成.
    Abstract: To investigate the influence of marine aquaculture on Hg species change, mercury species in sea water samples collected from Liuheng Island, Zhoushan City, Zhejiang Province were analyzed by using gas chromatography-cold atomic fluorescence spectrometry. The results showed that there was no significant difference (P>0.05) between marine aquaculture sites (MS) and references sites (RS) for total mercury (THg), dissolved mercury (DHg) and particulate mercury (PHg) concentrations in overlying water samples. For MeHg in overlying water, total MeHg (TMeHg) existed in the form of particulate methylmercury (PMeHg) and they were higher in MS than RS. However, the dissolve methylmercury (DMeHg), which could be available in the overlying water, had the significant higher concentration in RS (0.066±0.009 pmol·L-1) when compared with that in MS (0.031±0.007 pmol·L-1). This was attributed to the complexion of Hg with organic ligands reduced Hg bioavailability to methylation bacteria, further leading to the decline of MeHg production.
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出版历程
  • 收稿日期:  2014-05-21
  • 刊出日期:  2015-10-15
何杉杉, 尤琼智, 吴胜春, 高雪飞, 王远娜, 梁鹏. 渔业养殖区水环境中汞的形态分布[J]. 环境化学, 2015, 34(10): 1911-1917. doi: 10.7524/j.issn.0254-6108.2015.10.2015052104
引用本文: 何杉杉, 尤琼智, 吴胜春, 高雪飞, 王远娜, 梁鹏. 渔业养殖区水环境中汞的形态分布[J]. 环境化学, 2015, 34(10): 1911-1917. doi: 10.7524/j.issn.0254-6108.2015.10.2015052104
shu
HE Shanshan, YOU Qiongzhi, WU Shengchun, GAO Xuefei, WANG Yuanna, LIANG Peng. Distribution of mercury species in aquatic environment in marine aquaculture zones[J]. Environmental Chemistry, 2015, 34(10): 1911-1917. doi: 10.7524/j.issn.0254-6108.2015.10.2015052104
Citation: HE Shanshan, YOU Qiongzhi, WU Shengchun, GAO Xuefei, WANG Yuanna, LIANG Peng. Distribution of mercury species in aquatic environment in marine aquaculture zones[J]. Environmental Chemistry, 2015, 34(10): 1911-1917. doi: 10.7524/j.issn.0254-6108.2015.10.2015052104
shu

渔业养殖区水环境中汞的形态分布

  • 1.  浙江农林大学环境与资源学院, 杭州, 311300;
  • 2.  浙江省土壤污染生物修复重点实验室, 杭州, 311300
  • 收稿日期:  2014-05-21
基金项目:

国家自然科学基金(21307114),中国博士后基金(2013M540719)资助.

摘要: 为研究渔业养殖对水生生态环境中汞形态变化的影响, 采用气相色谱-冷原子荧光法对浙江省舟山市六横岛海水样品中不同形态汞含量进行测定分析.结果表明, 对于总汞(THg)、溶解态汞(DHg)和颗粒态汞(PHg), 养殖区上浮水体与对照区上浮水体之间无显著差异(P>0.05).纵向分布看, 底层水体PHg含量要显著高于中间层和表层(P-1)要显著高于养殖区 (0.031±0.007 pmol·L-1)(P<0.05), 这可能是由于常年养殖活动致使沉积物中大量有机物积累, 有机物与无机汞离子络合, 减少了汞的生物有效性, 从而抑制了甲基汞的生成.

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