Current Trends in Biodiversity Change in The Kazakh Sector of The Caspian Sea
Journal: Journal of Ecology and Sustainability
Year: 2026

A comprehensive analysis of the dynamics of hydrobiological communities in the Kazakh sector of the Caspian Sea for the period 2010-2024 was carried out. The study covers three key components of the marine ecosystem: phytoplankton, zooplankton and macrozoobenthos. It was found that the species diversity of phytoplankton decreased by 3.7 times (from 74 to 20 taxa), with the dominance of diatoms (Cyclotella choctawhatcheeana) and blue-green algae (Phormidium angustissimum). Zooplankton is characte