TY JOUR TI Assimilation Capacity of Azov Sea Bottom Sediments with Respect to Copper and Zinc KW Sea of Azov KW copper KW zinc KW pollution KW heavy metal flux KW accumulation coefficient KW self-purification KW copper flux KW zinc flux KW assimilation capacity JO ECOLOGICAL SAFETY OF COASTAL AND SHELF ZONES OF SEA AU Bufetova, M.V. PY 2025 IS 0 PB Federal State Budget Scientific Institution Federal Research Centre “Marine Hydrophysical Institute of RAS”