00657naa#a2200193#i#450# EN\\bibl\49379 20240825033204.7 2073-5529 20220323b2022####ek#y0engy0150####ca RU Changes in phytoplankton development in Middle Caspian in 2021 Journal article Astrakhan Astrakhan State Technical University 2022 8 с. Journal article local Планктон. Фитопланктон. 581.526.325 Zimina T atyana Nikolaevna Ardabyeva Alevtina Georgievna Kotelnikov Andrey Vyacheslavovich vestnik.astu.org