%0 Journal Article %T Seasonal migration of heavy metals in the waters of the Upper Volga basin %A Tolkachev, G.Y. %A Dedova, E.B. %A Ilyina, T.A. %A Get'man, E.N. %K heavy metals, water bodies, spring floods, natural and manmade systems, monitoring %J Melioration and Water Management %D 2026 %N 2025 %P 5 %I ANO Editorial Board Melioration and water management