TY JOUR TI TECHNOGENIC CONTAMINATION OF MEADOW ECOSYSTEMS IN THE SOZH RIVER FLOODPLAIN IN VETKA DISTRICT, GOMEL REGION, 30 YEARS AFTER THE CHERNOBYL CATASTROPHE KW JO Bulletin of Nizhnevartovsk State University AU Dаjnekо, N.М. PY 2017 IS PB Nizhnevartovsk State University