TY JOUR TI ALGAE AND CYANOBACTERIA AS FACTORS IN THE FORMATION OF THE POOL OF DISSOLVED ORGANIC SUBSTANCES AND WATER QUALITY IN THE RESERVOIR DURING CELL DEATH KW bacterioplankton KW cyanobacteria KW algae KW dissolved organic matter KW MOAT KW cell death KW heterotrophic activity KW destruction processes KW mineralization of organic matter KW radioisotope method JO Fisheries AU Sadchikov, A.P. AU Ostroumov, S.A. PY 2020 IS 2020 PB FSBI "TSUREN"