Abstract
Abstract. This article presents data on the state of zooplankton of the Small Aral Sea in May-June-September in 2022. During the periods of research, 32 taxa of true plankters were identified in the zooplankton of the Small Aral Sea: rotifers – 19, cladoceras– 7 and copepods – 6 species. Temporary plankters – larvae of bivalve mollusks, ostracoda, hadistediversicolorand chironomids were also noted. Zooplankton was created to varying degrees by four groups of invertebrates, but in both periods of research, copepods were in the lead. This is closely related to the development of the acclimatizant – Calanipeda quaedulcis. The leadership of this group of copepods was maintained throughout the PR (fishing area) of the sea. In general, the average values of zooplankton biomass corresponded to a very low trophic level. This may be due to the timing of material collection, the depth of sampling and the lack of a significant level of development of the group of cladoceras.
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