SONAL DYNAMICS OF SELF-PURIFICATION ABILITY OF RESERVOIRS OF AKMOLA REGION
Keywords:
lakes, self-purification, biological oxygen index, oxygen solubility, bacterioplankton, dynamics, allochthonous, photosynthesis, destruction, autochthonous, reservoirs, intensityAbstract
Most of the lakes of Akmola oblast have undergone accelerated eutrophication in recent years. In this regard, the aim of this work was: to study the seasonal dynamics of the self-cleaning potential of water bodies in a number of lakes in the Akmola region of Sultangeldy, ReservoirVyacheslavskoye, Kopa, Zerendy, Burabay, Ulken Shabakty, Kishi Shabak-ty, Shchuchye, Karasye. Were studied the oxygen indices of the lakes by the months of the year. As a result, the lakes are conditionally divided into 3 groups according to their self-cleaning ability: low, medium and high. The dynamics of changes in self-cleaning ability by months for each lake indi-vidually and in a group was found. It has been revealed that the most in-tensive self cleaning processes take place in the cold season of December February. Previously, a similar analysis for self-cleaning ability on these lakes was not carried out.
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