Abstract
The accumulation of heavy metals was studied in 24 watercourses of the Komi Republic, disturbed by logging of various ages. Heavy metals were determined by X-ray fluorescence spectroscopy. The accumulation of heavy metals in the sediments of small rivers of the Komi Republic is associated with the degree of disturbance of the catchment basins by clear forest cuts. Geochemical changes in rivers with disturbed catchments are manifested in an increase in the content of strontium, lead, arsenic, zinc, nickel, cobalt, chromium, iron and titanium, and a decrease in the content of manganese.
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