TY JOUR TI To evaluate the work on the reaclimatization of sterlet Acipenser ruthenus Linnaeus, 1758 in the upper reaches of the Dnieper KW Dnieper river KW sterlet KW reaclimatization KW Smolensk region JO Fisheries AU Bykov, A.D. AU Brazhnik, S.Y. AU Obrazov, V.V. PY 2022 IS 2022 PB FSBI "TSUREN"