MICROFLORA OF SOIL IN THE BASIN OF THE HIGH ARAL SEA UNDER EXTREME CONDITIONS OF ECOSYSTEM CHANGE
Abstract
The article presents the results of a study of one of the aspects of microbiological ecology - microbiocenosis of the drained shores of the Aral Sea. The disappearance of the Aral Sea is an example of a radical change in the ecosystem of our time. These ecosystem changes caused changes in the species composition of plants, animals and microorganisms. The paper considers bacteria, microscopic fungi and yeast that live in extreme conditions in the dried area of the Aral Sea. For the first time, the microbiological characteristics of the soil cover of the drained shores of the Aral Sea are given. The quantitative content of four physiological groups of microorganisms in the microbial community of the Aral Sea region was experimentally established: bacteria - 50-55%; yeast - 2-3%; microscopic fungi - 30-35%; actinomycetes - 12-15% of the total microflora. As a result of the study, valuable material was collected on the taxonomy of microorganisms living in “harsh” extreme conditions of nature.
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