TY JOUR TI EFFECTS OF ACCUMULATION OF TRACE ELEMENTS FOOD ORGANISMS OF LAKE BALKHASH ON THEIR BIOMASS KW Lake Balkhash KW benthic organisms KW biomass KW microelements KW bioaccumulation KW correlation dependence JO Vestnik of Astrakhan State Technical University. Series: Fishing industry AU Anureva, A.. AU Lopareva, T.. PY 2016 IS 2016 PB Astrakhan State Technical University