TY JOUR TI Assessment for Ecological Condition of Volga and Don Reservoirs by Bio-Indication Method KW Volga KW reservoirs’ ecological condition KW bio-indication KW plankton KW nutritional status KW surface-water quality KW hydro-biological indices. JO Safety in Technosphere AU Kosolapov, D.B. AU Devisilov, V.A. AU Novikov, D.A. AU Cheremushkina, O.V. PY 2018 IS 7 PB INFRA-M Academic Publishing LLC.