| 葫芦岛地区汞在土壤-植物-昆虫系统中的生物地球化学迁移 |
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| 引用本文： | 张仲胜,王起超,郑冬梅,郑娜,张秀武,张新艳.葫芦岛地区汞在土壤-植物-昆虫系统中的生物地球化学迁移[J].环境科学学报,2008,28(10):2118-2124. |
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| 作者姓名： | 张仲胜 王起超 郑冬梅 郑娜 张秀武 张新艳 |
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| 作者单位： | [1]中国科学院东北地理与农业生态研究所,长春130012 [2]中国科学院研究生院,北京100039 |
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| 基金项目： | 中国科学院知识创新工程重要方向项目（No.KZCX3-SW-437） |
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| 摘 要： | 通过研究葫芦岛地区土壤、植物及不同食性昆虫的汞含量，探讨了汞的生物地球化学迁移．结果表明，汞污染使植物汞含量增加，生物吸收程度大大提高．植物及昆虫灰分基汞含量均高于汞在地壳的克拉克值．不同食性昆虫灰分基汞含量存在显著性差异，表现出肉食性〉杂食性〉植食性的规律．汞能够沿着食物链由植食性昆虫向肉食性昆虫进行传递，土壤-植物、植物-植食性昆虫、植食性昆虫．肉食性昆虫系统中，汞的富集倍数分别为（1-n）×10^-1、（1-n）×10、（1-n）的水平，土壤汞污染可以通过食物链传递造成昆虫体内汞的富集．
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| 关 键 词： | 汞 土壤 植物 昆虫 灰分基汞含量 生物地球化学 |
| 收稿时间： | 2007/10/25 0:00:00 |
| 修稿时间： | 3/19/2008 8:19:24 AM |
Mercury biogeochemistry in the soil-plant-insect system in Huludao City |
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| ZHANG Zhongsheng,WANG Qichao,ZHENG Dongmei,ZHENG N,ZHANG Xiuwu and ZHANG Xinyan.Mercury biogeochemistry in the soil-plant-insect system in Huludao City[J].Acta Scientiae Circumstantiae,2008,28(10):2118-2124. |
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| Authors: | ZHANG Zhongsheng WANG Qichao ZHENG Dongmei ZHENG N ZHANG Xiuwu and ZHANG Xinyan |
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| Institution: | 1. State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085; 2. Graduate School of the Chinese Academy of Sciences, Beijing 100039,Northeast Institution of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012,1. Northeast Institution of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012; 2. Graduate University of Chinese Academy of Science, Beijing 100039,1. Northeast Institution of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012; 2. Graduate University of Chinese Academy of Science, Beijing 100039,1. Northeast Institution of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012; 2. Graduate University of Chinese Academy of Science, Beijing 100039 and 1. Northeast Institution of Geography and Agricultural Ecology, Chinese Academy of Sciences, Changchun 130012; 2. Graduate University of Chinese Academy of Science, Beijing 100039 |
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| Abstract: | |
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| Keywords: | mercury soil plant insect mercury contents on ash basis biogeochemistry |
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