Atmospheric air quality estimation on the Betula pendula Roth fluctuating asymmetry size (on the example of the urbanized and SPN areas in Eastern Transbaikalia)

The research results of the fluctuating asymmetry size which prove that significant deterioration of the Chita city air resource ecological condition was observed in the period from 2005 till 2010 that was reflected in negative influence basically of motor transport on birch development stability are given.