Abstract
The article discusses the results of biochemical studies of the content of chlorophylls a, b and carotenoids in the spruce needles growing in different conditions of the city of Ridder: control, parks, roads, zinc plant and CHP. Technogenic pollution of the Ridder air basin leads to the change in the content of chlorophylls a and b, carotenoids in the coniferous spruce. A significant decrease in the content of chlorophyll b and carotenoids in spruce needles was revealed in the following row of growing places: control -> parks -> roads -> zinc plant -> CHP. In the dynamics by age, a slight increase in the concentration of chlorophylls and carotenoids was revealed in all places of growth of fir trees.
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