Influence of hydrochemical indicators on the age and density of bivalve molluscs, spread in the lower reaches of the Zarafshan riverR. Masharipov, S. Suyarov, N. Khasanov, T. Jabbarova, F. Jalilov, F. Turikhanov, D. Kosimov, I. Tuinazarova and F. ShodmonovE3S Web Conf., 265 (2021) 01013DOI: https://doi.org/10.1051/e3sconf/202126501013