%0 Journal Article %T Ecology, biology and nutrition of grayling (Thymallus thymallus Linnaeus, 1758) of river Sotka in Pinezhsky State Reserve %A Dvoryankin, G.A. %A Lukina, V.. %K Pinezhskiy Reserve, river Sotka, grayling Thymallus thymallus, nutrition, age-related changes in nutrition %J Vestnik of Astrakhan State Technical University. Series: Fishing industry %D 2022 %N %P 7 %I Astrakhan State Technical University