SPECIES COMPOSITION LICHENS AND LICHENOINDICATION AIR POLLUTION IN THE SECONDARY SCHOOL № 19 THE CITY OF TVER

In this research work provides information on the species composition of lichens in the area of school № 19 of Tver and mixed forest village Migalovo. Studied the propagation of epiphytic lichens in four directions from the school № 19 – north, west, south and east. Detected contamination of atmospheric air in the vicinity of schools and in the mixed forest by means of method of lehenoindication