TY JOUR TI WATER CHEMICAL COMPOSITION AND PHYTOPLANKTON STRUCTURE IN THE TAIL-WATER OF KRASNOYARSK HYDROPOWER STATION KW the Yenisey River KW tail-water KW phytoplankton KW chemical composition JO Bulletin of KSAU AU Ponomareva, Y.A. PY 2013 IS PB Krasnoyarsk State Agrarian University