Application of Isotopes to the Study of the Role of Microorganisms in the Formation of the Sulfur Deposits of Shor—Su
The study of the role of microorganisms in the circulation of matter in nature is usually confined to a determination of the qualitative and, in the best case, quantitative composition of the microflora. For this purpose the test samples of soil, mud or water are used to inoculate sterile media of standard composition and then observations are made to see whether microorganisms develop or not. This method enables us to determine what physiological groups of microorganisms are present in the sample, but it tells us nothing of the actual activity of bacteria in natural conditions. This point has been repeatedly emphasized by S.N. Vinogradskii who has pointed out that this method takes account of the inactive as well as the active microorganisms in natural conditions  and that experiments with pure cultures in laboratory media never bring us nearer to a clarification of the dynamics of natural processes [2, 3].
KeywordsHydrogen Sulfide Sulfide Oxidation Sulfur Mine Sulfur Deposit Cadmium Acetate
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