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Remy, C. 2011: Use of lichen biodiversity on coniferous to detection of nitrogenous pollution from road traffic [Utilisation de la modification de la biodiversité lichénique sur résineux pour détecter la pollution azotée d'origine routière]. - Pollution Atmospherique (Special Issue): 31-34. [RLL List # 226 / Rec.# 33746]
Keywords: Car traffic/ Eutrophication/ Hautes-Alpes/ Lichen/ Nitrogenous pollution
Abstract: Several studies in the Hautes-Alpes made by the association Arnica Montana, based on mapping and inventory of lichen vegetation has led to identify exposure to nitrogen oxides on natural environments. Thus, presence and development of nitrophilous lichen vegetation on softwood and the loss of sensitive species to nitrogen appear to be due to eutrophication of the bark by nitrogen oxides due to road traffic. With reduced financial cost, this method provides a comprehensive demonstration of nitrogen pollution over a large area on which it would be difficult financially to implement a sufficient number of sensors. Some proposals for management of natural areas can be made, based on these results.
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