o:5947 Biological indication of air quality in the urban area of Bosilegrad (Southeastern Serbia) by use lichens en Air pollution detection in Bosilegrad has not been done yet. In this work different lichens species have been used as a bioindicators to establish different air pollution levels. At 26 investigated points 23 lichen species from 15 genera have been found. Using the Index of Atmospheric Purity (IAP) it has been found that there are 2 different air pollution zones in Bosilegrad: "lichen desert", and "struggle zone". The most sensitive lichen taxa in Bosilegrad are Pleurosticta acetabulum, Melanohalea exasperata, Melanohalea exasperatula, Melanelixia subaurifera, and the most tolerant are Phaeophyscia orbicularis, Physcia adscendens, Physcia aipolia,Physconia enteroxantha and Xanthoria parietina. 1552100 978-86-80877-67-9 2024-11-01T10:44:48.415Z 44 yes 46 Slaviša Stamenković 46 Svetlana Ristić 46 Marija Marković 0000-0002-6070-6844 46 Tatjana Đekić application/pdf 7058123 https://unilib.phaidrabg.rs/o:5947 no yes 1 70 92000004 2019 71A07 Abstracts (Apstrakti) 13th Symposium on the Flora of Southeastern Serbia and Neighboring Regions, Stara planina Mt. 20 to 23 June 2019 (13. Simpozijum o flori jugoistočne Srbije i susednih regiona, Srara planina 20. do 23. jun 2019.) Niš-Belgrade 81 Department of Biology and Ecology; Faculty of Sciences and Mathematics, University of Niš; Institute for Nature Conservation of Serbia 2019