TY JOUR TI THE PRODUCTIVITY OF TEREK TROUT FLOAT, DEPENDING ON THE TIME OF SPAWNING KW trout KW spring and winter form KW sexual products KW food chain KW chironomids JO Bulletin of KSAU AU Kazanchev, S.C. AU Habzhokov, A.B. AU Aloev, A.H. AU Dyshekova, V.F. PY 2015 IS PB Krasnoyarsk State Agrarian University