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苔藓植物大灰藓对大气中重金属元素的生态监测 被引量:7

Ecological Monitoring of Heavy Metals in Atmosphere by Hypnum Plumaeforme
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摘要 采用苔藓植物大灰藓作为监测物种,考察Pb、Zn、Cu、Cd、Cr、Hg等6种重金属元素在大气中的分布情况,分析研究区域内各样点大灰藓和土壤中的6种重金属含量。结果表明,大灰藓中重金属含量依次为Zn>Pb>Cr>Cu>Cd>Hg,土壤中重金属含量依次为Zn>Pb>Cr>Cu>Hg>Cd。通过Kriging插值运算,得到6种重金属元素含量等值分布图,直观地体现了6种重金属元素的空间分布,说明大气重金属空间分布与区域产业类型及发展状况紧密相关。 Hypnum plumaeforme,a type of moss,was chosen as the monitoring object for investigating the distribution of six kinds of heavy metals in the atmosphere by analyzing the content of these heavy metals in Hypnum plumaeforme and the soil at each sampling site in the study area.The results showed that the content of the heavy metals from high to low in order were Zn,Pb,Cr,Cu,Cd,Hg in Hypnum plumaeforme,and Zn,Pb,Cr,Cu,Hg,Cd in the soil.The contour map which expressed directly the spatial distribution of the heavy metals was obtained by Kriging interpolation operation.It indicated that the spatial distribution of heavy metals in the atmosphere was closely related to regional industry types and development status.
作者 刘伟才 罗晶 姬瑞华 LIU Wei-cai;LUO Jing;JI Rui-hua(Department of Ecological Livable,Hunan Polytechnic of Environment and Biology,Hengyang,Hunan 421005,China)
出处 《环境监测管理与技术》 CSCD 2020年第3期44-47,67,共5页 The Administration and Technique of Environmental Monitoring
基金 湖南省自然科学基金资助项目(2018JJ5028) 湖南省衡阳市科技发展计划基金资助项目(2017KJ262)。
关键词 重金属 生态监测 苔藓 大灰藓 大气 Heavy metal Ecological monitoring Bryophyte Hypnum plumaeforme Atmosphere
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