Suburban Pine Forests as Bioindicators of Air Pollution

The data on monitoring the vigor state of suburban pine forests metropolis Krasnoyarsk in 2021–2022 are presented. These belong to boreal Central Siberia. More than a thousand trees marked with individual numbers examined A and B annually (diameter, height state). Discoloration needles has been recorded yearly: forest since 2012 2019. Phytopathological analysis excluded influence pathogens or pests needles; changes were referred impact air toxins. sharp deterioration observed for last 3-4 years; degradation was more severe. This is confirmed by an increase score category (6-point scale). We consider possibility stop restore ecosystems provided currently used industrial technologies changed.