%0 Journal Article %T EFFICIENCY OF SEMI-ANADROMOUS AND RIVER FISHES’ REPRODUCTION IN DIFFERENT WATER MODES OF THE VOLGA RIVER %A Chavychalova, N.I. %K flood, spawning, spawning ground, reproduction, roach, bream, feeding, efficiency, viability, biomass %J Fisheries %D 2020 %N 2020 %P 6 %I FSBI "TSUREN"