Adaptive reactions of the small-leaved lime ( Tilia cordata Mill.) assimilation apparatus in the conditions of technogenesis (on the example of Ufa and Sterlitamak industrial centers)

The article is devoted to the morphological peculiarities of the assimilation apparatus of a small-leaved lime of all age classes in the conditions of petrochemical and polymetallic pollution in the Ufa and Sterlitamak industrial centers. It is shown, that in the petrochemical pollution conditions there is an increase of the stoma number and in the conditions of polymetal pollution there is a reduction of them. The relative fiber length decreases in whole when pollution increases regardless of the technogenic condition type. The adaptive significance of these changes is analyzed.