What do epiphytic lichens of Guwahati city indicate?

susan's picture

Lichens are a major section of species that are sensitive to changes in atmospheric nutrient conditions and have been used as bioindicators of pollution
over a long period of time, especially sulphur dioxide (SO2). A study was undertaken during July 2010 to understand the epiphytic lichen diversity of Guwahati city.(Correspondence)

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http://www.ias.ac.in/currsci/10oct2011/824.pdf
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824
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Publication Date: 
10/10/2011