Change of hydrochemical and hydrobiological regimes of water reservoir Furkat Gapparov, Aziz Khaydarov, Larisa Kogutennko and Mushtariybonu Gafforova E3S Web of Conf., 401 (2023) 01006 Published online: 11 July 2023 DOI: 10.1051/e3sconf/202340101006