Bioindication of environmental security in urban and rural territory according to <i>Betula pendula</i> Roth

In the modern era of urbanization, air pollution is becoming a significant cause changes in health population. The contribution complex atmospheric pollutants to state urban environment can be assessed by bioindication method. article, this done using fluctuating asymmetry leaf blades silver birch on example one and half million city Novosibirsk rural settlement located 50 km away. an industrial center has high transport logistics significance. Bioindication data testify critical its places load congestion deviation from norm when moving away park zone. This requires development additional measures aimed at minimizing impact environmental risks