TY JOUR TI Current assessment of factors determining fish reproduction efficiency in the lower reaches of the Ural river KW hydrological regime KW reproduction KW juvenile fish KW producers KW spawning grounds KW abundance KW semi-passable fish KW flood runoff KW commercial stocks JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Kadimov, E.. AU Nevalennyy, A.. PY 2024 IS 2024 PB Astrakhan State Technical University