TY JOUR TI CHARACTERISTICS OF PERCH (PERCA FLUVIATILIS L.) POPULATION OF THE CENTRAL PART OF THE KUIBYSHEV RESERVOIR KW perch KW size KW age KW life expectancy KW sex ratio KW fertility KW growth KW mortality KW commercial fishing JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Telezhnikova, T.. AU Saifullin, R.. AU Granin, A.. AU Shakirov, I.. PY 2018 IS PB Astrakhan State Technical University