Abstract
The number and taxonomic structure of the yeast complexes were investigated in the full profiles of the soddy-podzolic soil (Central Forest State Nature Biosphere Reserve), dark gray forest soil (Kaluzhskie Zaseki Reserve), and chernozem (Privolzhskaya Forest-Steppe Reserve). In all these soils, the number of yeasts was maximal (104 CFU/g) directly under the litter; it drastically decreased with the depth. However, at the depth of 120–160 cm, the number of yeasts significantly increased in all the soils; their maximum was found in the illuvial horizon of the soddy-podzolic soil. Such a statistically significant increase in the number of yeasts at a considerable depth was found for the first time. Different groups of yeasts were present in the yeast communities of different soils. The species structure of yeast communities changed little in each soil: the same species were isolated both from the soil surface and from the depth of more than 2 m. The results showed that yeasts could be used for soil bioindication on the basis of specific yeast complexes in the profiles of different soil types rather than individual indicative species.
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Original Russian Text © A.M. Glushakova, A.V. Kachalkin, A.V. Tiunov, I.Yu. Chernov, 2017, published in Pochvovedenie, 2017, No. 7, pp. 830–836.
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Glushakova, A.M., Kachalkin, A.V., Tiunov, A.V. et al. Distribution of yeast complexes in the profiles of different soil types. Eurasian Soil Sc. 50, 820–825 (2017). https://doi.org/10.1134/S1064229317050064
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DOI: https://doi.org/10.1134/S1064229317050064