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乐安江漫滩区稗草中重金属污染和来源分析 被引量：2

Pollution and Resource of Heavy Metals in Barnyard Grass of Le An River,China
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摘要 2005年10月,采集了乐安江及其支流漫滩区表层土中的优势植物--稗草,并测定了其中6种重金属(Cd、Cr、N i、Cu、Pb、Zn)的含量。流经亚洲最大露天铜矿(德兴铜矿)的乐安江,其三条支流由于被德兴铜矿的酸性矿山废水(AMD)和一个活性炭厂排出的废液所污染,以至其漫滩区表层土中的稗草含有高浓度的Cd、Cu、Pb、Zn。稗草中6种金属的生物体内累积性按下列次序退减:Cd>Zn>Cu>Pb>N i>Cr,这与它们在环境中的迁移性相一致。 Six metals （ Cd, Cr, Ni, Cu, Pb through the largest outcrop copper mine （ and Zn） were determined in Dexing Copper Mine） in Asia, barnyardgrass of Le An River, which runs and its tributaries in Oct. 2005. Three tributaries contaminated by AMD from mining activities or discharges from an activated carbon factory have high Cd, Cu, Pb or Zn contents in bamyardgrass. Bioaccumulation of the six metal species in floodplain barnyardgrass decreases following the order： Cd 〉 Zn 〉 Cu 〉 Pb 〉 Ni 〉 Cr, consistent with environmental mobility of these metal species.
作者 曾凡萍 肖化云 周文斌
机构地区 南昌大学环境科学与工程学院/教育部鄱阳湖湖泊生态与生物资源利用实验室 江西省萍乡市环境监测站 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
出处 《南昌大学学报（理科版）》 CAS 北大核心 2009年第4期354-359,共6页 Journal of Nanchang University(Natural Science)
基金 国家自然科学基金资助项目(40672159)
关键词 漫滩表层土 稗草 重金属 采矿行为 乐安江 floodplain topsoils barnyardgrass heavy metals mining activities Lean River
分类号 X502 [环境科学与工程—环境工程]
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参考文献26

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南昌大学学报（理科版）
2009年 第4期

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