POLLUTION DEGREE GROWING AREA BETULA PENDULA ACCORDING TO INDICATORS OF STABILITY (THE CASE OF DIFFERENT REGIONS OF RUSSIA)

The article deals with the problem of stability of woody plants to human impacts urbosredy. To study the stability of woody plants using the leaf blade, as the plastic body associated with the functioning of the body. It is noted that the leaf blades in the most volatile urbosrede [1-10]. The paper provides a comparative analysis of the stability of Betula pendula, resulting in GO Togliatti with other regions of Russia.