TY JOUR TI THE ECOLOGICAL CONDITION STUDY OF THE SOLENOYE LAKE IN THE STAVROPOL TERRITORY BY THE BIOTESTING METHOD KW reserve KW biotesting KW pollution KW anthropogenic load JO Bulletin of KSAU AU Zelenskaya, T.G. AU Eremenko, R.S. AU Stepanenko, E.E. PY 2014 IS PB Krasnoyarsk State Agrarian University