TY JOUR TI ZOOBENTHOS OF WATERCOURSES IN THE BUKHTARMA RIVER BASIN (UPPER IRTYSH, SOUTH-WESTERN ALTAI) AT REFERENCE SITES AND IN THE IMPACT ZONE KW benthos KW the Upper Irtysh river KW watercourse KW reference sites KW bioindication JO Transactions of Papanin Institute for Biology of Inland Waters RAS AU Evseeva, A.A. PY 2021 IS 0 PB Papanin Institute for Biology of Inland Waters Russian Academy of Sciences