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汞的环境生物地球化学研究进展

DOI: 10.11820/dlkxjz.2004.06.004, PP. 33-40

Keywords: ,甲基汞,健康风险,生物地球化学

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Abstract:

汞是毒性极高的全球性环境污染物。即使在极低剂量下,汞对人类和野生动植物都有相当大的毒性,并导致生态系统功能退化和人类健康风险,有关汞及其化合物的环境生物地球化学研究是目前国际上的热点之一。基于近三十年来的相关研究报道,作者阐述了生态环境中汞的分布特征及化学行为、汞的来源及循环、当前汞的暴露及人类健康风险等方面的最新研究动态。同时,指出生态环境中及环境界面间汞的活化、迁移、转化机制研究、人类活动与汞释放间的关系研究以及生态环境中汞的甲基化作用、生物放大作用等过程和交互作用研究等是今后汞的环境生物地球化学领域内的研究重点。

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