TY JOUR TI EVALUATING CONDITIONS AND EFFICIENCY OF AQUATIC BIOLOGICAL RESOURCES REPRODUCTION IN LAKE TSATSA UNDER ANTHROPOGENIC LOAD ON LAKE ECOSYSTEM KW commercial fish species KW natural reproduction KW spawning time KW juvenile yield KW reproduction conditions KW fish fingerlings KW high-water year KW low-water year KW water level JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Kutsenko, N.. AU Naumenko, A.. AU Grozesku, Y.. PY 2020 IS PB Astrakhan State Technical University