TY JOUR TI TROPHIC RELATION AND NUTRITIONAL STATEOF THE PERCH PERCA FLUVIATILIS L., 1758 (PERCIDAE) FROM K. SATPAEV'S CHANNEL RESERVOIRS KW perch KW nutrition KW nutritional state KW reservoirs KW K. Satpaev's channel JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Krainyuk, V.. AU Asylbekova, S.. PY 2013 IS 2013 PB Astrakhan State Technical University