The study of the zoobenthos of the Tsraudon river basin (the Terek river basin) Ia E. Dzhioeva, Susanna K. Cherchesova, Oleg A. Navatorov and Sofia F. Lamarton E3S Web Conf., 169 (2020) 03006 Published online: 19 May 2020 DOI: 10.1051/e3sconf/202016903006