00508naa#a2200157#i#450# EN\\bibl\37020 20240429101813.1 0131-6184 20200413b2020####ek#y0engy0150####ca RU EFFICIENCY OF SEMI-ANADROMOUS AND RIVER FISHES’ REPRODUCTION IN DIFFERENT WATER MODES OF THE VOLGA RIVER Journal article Moscow FSBI "TSUREN" 2020 6 с. Journal article local Chavychalova Natalya Ivanovna tsuren.editorum.ru