The authors’ research conducted in the landscape gardening city facilities experiencing the anthropogenous loading different degree showed that the indicator recording method of the fluctuating asymmetry of the flat-leaved birch (Betula platyphylla Sukacz.) leaves can be applied as the data of the environment condition bio-indicative assessment. Therecord of the integrated algorithm values of the rated difference and the variation degree of this indicator is necessary.
fluctuating asymmetry, flat-leaved birch (Betula platyphylla Sukacz.), leaf plate, square, park, environment quality, algorithm of the rated difference, variation degree, average quadratic deviation
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