Periodical monitoring with lichen, Phaeophyscia hispidula (Ach.) Moberg in Dehradun city, Uttarakhand, India

被引：5
作者：
Rani M. [1 ]
Shukla V. [2 ]
Upreti D.K. [3 ]
Rajwar G.S. [4 ]
机构：
[1] Department of Botany, Govt. (P.G.) College, Rishikesh, Uttarakhand
[2] Department of Environmental Sciences, B. B. Ambedkar (Central) University, Lucknow 226025 Uttar Pradesh, Raebareily Road
[3] Lichenology Laboratory, CSIR-National Botanical Research Institute, Lucknow 226001 Uttar Pradesh, Rana Pratap Marg
[4] Department of Higher Education Research Institute, Dehra Dun, Uttarakhand
来源：
The Environmentalist | 2011年 / 31卷 / 4期
关键词：
Anthropogenic activity; Garhwal Himalayas; Lichen; Long-term biomonitoring;
D O I：
10.1007/s10669-011-9349-2
中图分类号：
学科分类号：
摘要：
Nine heavy metals were estimated in lichen, Phaeophyscia hispidula (Ach.) Moberg, collected from 12 different sites of Dehradun, capital city, to analyze the air quality of Uttarakhand. Total metal concentration was the highest at Mohkampur Railway Crossing, Hardwar Road (42,505 μg g-1). Dela Ram Chowk, located in the center of the city, also had higher metal concentration, 34,317 μg g-1, with maximum concentration of Pb at 12,433 μg g-1, while Nalapani forest area had minimum total metal concentration (1,873 μg g-1) as well as minimum Pb level at 66. 6 μg g-1, indicating anthropogenic activity, mainly vehicular activity, responsible for the increase in metal concentration in the ambient environment. In comparison with the earlier years 2004 and 2006, air pollution as indicated by similar lichen shows a considerable increase in the total metal concentration (especially Pb) in the ambient air of Dehradun city, which may be attributed to exponential rise in the traffic activity in the last 5 years. © 2011 Springer Science+Business Media, LLC.
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页码：376 / 381
页数：5
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