TY JOUR TI TOLERANCE OF HYDROMACROPHYTES TO ACTIVE REACTION, MINERALIZATION AND WATER HARDNESS IN NATURAL AND MAN-MADE WATER BODIES OF THE WEST SIBERIAN PLAIN KW JO Bulletin of Nizhnevartovsk State University AU Sviridenko, B.. AU Murashko, Y.. AU Sviridenko, T.. AU Efremov, A.. PY 2016 IS PB Nizhnevartovsk State University