Aquatic ecosystems of the lower reaches of the Zarafshan River. Diversity and ecological groups of molluscsKhusniddin Baymuradov, Tozagul Zhabborova, Iroda Tuinazarova, Bekzod Otakulov and Azamat EgamkulovE3S Web Conf., 262 (2021) 04009DOI: https://doi.org/10.1051/e3sconf/202126204009