TY JOUR TI Biotechnics of artificial reproduction of East Siberian grayling (Thymallus arcticus pallasi) in expedition conditions on the Aldan River in Yakutia KW grayling KW caviar harvesting KW incubation KW embryogenesis KW larva rearing KW artificial reproduction JO Fisheries AU Larionov, D.Y. AU Potapov, E.E. PY 2023 IS 2023 PB FSBI "TSUREN"