HYDROBIOLOGICAL CHARACTERISTICS OF WATER BODIES OF FISHERY IMPORTANCE ON THE TERRITORY OF KRASNODAR AND STAVROPOL KRAI AT THE INTERSECTIONS OF THE TENGIZ – NOVOROSSIYSK TRUNK OIL PIPELINE

Within the framework of this work, the results of long-term monitoring hydrobiological studies conducted in the period January 2018 to June 2022 are considered. on the study of qualitative and quantitative indicators of the development of hydrobiological components of aquatic ecosystems – phytoplankton, zooplankton and zoobenthos on surface water bodies of fishery importance in the Krasnodar and Stavropol Territories in the places of maintenance and exercises (KSPU, TSU, UTZ) at the intersections of the main oil pipeline “Tengiz-Novorossi- ysk” of water barriers on the LC MN CPC-P of the Western region. As a result of the research, the current state of the species diversity of hydrobionts on 36 water bodies was comprehensively studied for the first time, seasonal and annual indicators of the qualitative and quantitative composition of phytoplankton, zooplankton and zoobenthos were obtained. For most water bodies, the data obtained are unique, since studies have never been conducted on them. The structural organization of phytoplankton of the studied reservoirs showed that representatives from the main seven departments took part in its formation: green, blue-green, yellow-green, golden, euglen, diatom and pyrophyte. Zooplankton was represented by representatives of copepods and branched crustaceans, as well as rotifers. Benthos as the most stable group of the natural food supply was represented by typical representatives – larvae of bell mosquitoes, small-scale worms, larvae of dragonflies, mayflies, brooks and water beetles, as well as bivalve mollusks. The results of the conducted research can be used in assessing the current state of the forage base of the rivers of the Krasnodar and Stavropol Territories, assessing the receiving capacity of water bodies in the implementation of artificial reproduction of aquatic biological resources, calculating damage to aquatic biological resources from economic activities.