TY JOUR TI Features of Water Chemical Composition in the River Mouths of the Bolshoi Sochi Region, North-Eastern Part of the Black Sea KW mouth area KW Black Sea KW Bolshoi Sochi KW anthroogenic impact KW chemical composition of water KW nutrients KW hydrochemical composition KW macrocomponents JO PHYSICAL OCEANOGRAPHY AU Moiseeva, Y.A. AU Purgina, D.V. AU Polivanova, T.K. PY 2025 IS 41 PB Federal State Budget Scientific Institution Federal Research Centre “Marine Hydrophysical Institute of RAS”