00706naa#a2200193#i#450# EN\INFRA-M\bibl\42435 20241203170530.2 1998-071X 20200430b2020####ek#y0engy0150####ca RU Method for Increasing Planktonic Organisms’ Concentration during the Study of Water Bodies’ Ecological State Journal article Moscow INFRA-M Academic Publishing LLC. 2020 6 с. Journal article local Общие вопросы математических и естественных наук. 50 Mosharov Sergey Aleksandrovich Gontarev S. V. Korsak M. N. naukaru.ru