LICHEN BIOMONITORING OF MERCURY EMISSION AND DEPOSITION IN MINING, GEOTHERMAL AND VOLCANIC AREAS OF ITALY

被引:56
作者
BARGAGLI, R
BARGHIGIANI, C
机构
[1] Department of Environmental Biology, University of Siena, Siena, 53100
[2] Institute of Biophysics, CNR, Pisa, 56100
关键词
D O I
10.1007/BF00397614
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Natural emissions of Hg are attracting increased interest both for their environmental implications and for possible applications in the exploration of mineral, petroleum and geothermal fields. However, daily and seasonal fluctuations in concentrations of Hg in the atmosphere, caused by meteorological and environmental variables, has made it very difficult to assess Hg anomalies by conventional analytical procedures. Some species of widespread foliose lichens from an abandoned cinnabar mining and smelting area (Mt. Amiata), geothermal fields (Larderello, Bagnore and Piancastagnaio, Central Italy), and active volcanic areas (Mt. Etna and Vulcano, Southern Italy) seem to be very suitable biomonitors of gaseous Hg; especially as lichen thalli have an Hg content which reflects average values measured in air samples. We discuss the advantages of quantitative biological monitoring by lichens with respect to conventional air sampling in large-scale monitoring.
引用
收藏
页码:265 / 275
页数:11
相关论文
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