TY JOUR TI Retrospective evaluation of the effectiveness of the use of spawning-growing farms of the Volga River delta for artificial reproduction of roach Rutilus rutilus caspicus (Yakovlev, 1870) KW roach KW spawning-growing farms (NVH) KW spawning grounds KW Volga River KW survival KW larvae KW juveniles KW commercial species JO Fisheries AU Pyatikopova, O.. AU Kirillov, D.E. AU Dosaeva, W.G. PY 2023 IS 2023 PB FSBI "TSUREN"