TY JOUR TI THE ASSESSMENT OF THE WATER CHEMICAL COMPOSITION OF THE NOVOTROITSK RESERVOIR IN THE STAVROPOL TERRITORY KW temperature KW pollution KW reservoir KW water column JO Bulletin of KSAU AU Stepanenko, E.E. AU Mandra, Y.A. AU Eremenko, R.S. AU Zelenskaya, T.G. PY 2015 IS PB Krasnoyarsk State Agrarian University