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Pollution monitoring with the help of lichen transplant technique at some residential sites of Lucknow City, Uttar Pradesh.

Samples of foliose lichen, Dirinaria consimillis (Fr.) Awasthi were transplanted at six residential sites of Lucknow city for monitoring the concentration of Cr, Zn, Pb, Cu and Cd metals at two vertical positions. The concentration of chromium and copper were more at the higher vertical position than the lower one. The maximum zinc was at lower vertical position than the upper one. Lead and cadmium were not detected in the present study.