Trace elements determination in lichens and in the airborne particulate matter for the evaluation of the atmospheric pollution in a region of northern Italy

被引：33

作者：

Rizzio, E ^{[1
]}

Bergamaschi, L ^{[1
]}

Valcuvia, MG ^{[1
]}

Profumo, A ^{[1
]}

Gallorini, M ^{[1
]}

机构：

[1] CNR, Ctr Radiochim & Analisi Attivaz, I-27100 Pavia, Italy

来源：

ENVIRONMENT INTERNATIONAL | 2001年 / 26卷 / 7-8期

关键词：

trace elements; atmospheric pollution; biomonitors; lichens; neutron activation analysis;

D O I：

10.1016/S0160-4120(01)00037-X

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Lichens as biomonitors and neutron activation analysis as analytical technique have been employed to study the distribution of trace elements (TE) in a mountain region of north Italy (Biella) characterized by settlements of wool industry. Samples of airborne particulate matter collected onto filters, different species of lichens and samples of soils have been analyzed for the calculation of the enrichment factors (EFs) of more than 25 TE. By comparison of the corresponding EFs, the most suitable lichen species (Parmelia caperata) was selected as specific TE biomonitor of the area investigated. Samples of this lichen were collected and analyzed for the evaluation of the TE distribution in four different locations. The results obtained from the analysis of the lichens gave information about the predominant direction of pollutants transportation, while those related to the concentrations found in the air particulate allowed the evaluation of the degree of the local TE atmospheric pollution. (C) 2001 Elsevier Science Ltd. All rights reserved.

引用

页码：543 / 549

页数：7

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