Post-Pyrogenic Changes in the Microflora and Chemical Composition of Peat Waters of the Drained Area of the Bakchar Bog (Tomsk Region)
- Authors: Ovsyannikova V.S.1, Kharanzhevskaya Y.A.2,3, Sinyutkina A.A.2
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Affiliations:
- Institute of Petroleum Chemistry, Siberian Branch of the Russian Academy of Sciences
- Siberian Research Institute of Agriculture and Peat of the Russian Academy of Agricultural Sciences
- National Research Tomsk State University
- Issue: No 2 (2024)
- Pages: 68-74
- Section: Articles
- URL: https://rjmseer.com/0023-1177/article/view/661611
- DOI: https://doi.org/10.31857/S0023117724020117
- EDN: https://elibrary.ru/OLNTNH
- ID: 661611
Cite item
Abstract
A comparative analysis of changes in the microbiological and chemical composition of water and peat in the drained reference and post-pyrogenic areas of the Bakchar bog was performed during the growing season of 2022. It has been revealed that peat-bog fire effect persists in the upper layer (up to 50 cm) of the post-pyrogenic area even 6 years after the fire. It manifests itself in a disruption of the seasonal dynamics of the content of a number of components (O2, CO2, NH+4, NO–3), and in the variance of count of microflora of different physiological groups, such as ammonifying, pedotrophic, oligotrophic, hydrocarbon-oxidizing, cellulose-destructing, denitrifying, and sulfate-reducing groups. In addition, the correlations between the analyzed microbiological and physicochemical parameters differ for the reference and post-pyrogenic areas, which suggests the long-term pyrogenic effect on the processes of accumulation and destruction of organic matter.
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About the authors
V. S. Ovsyannikova
Institute of Petroleum Chemistry, Siberian Branch of the Russian Academy of Sciences
Author for correspondence.
Email: varja@ipc.tsc.ru
Russian Federation, Tomsk
Yu. A. Kharanzhevskaya
Siberian Research Institute of Agriculture and Peat of the Russian Academy of Agricultural Sciences; National Research Tomsk State University
Email: kharan@yandex.ru
Russian Federation, Tomsk; Tomsk
A. A. Sinyutkina
Siberian Research Institute of Agriculture and Peat of the Russian Academy of Agricultural Sciences
Email: varja@ipc.tsc.ru
Russian Federation, Tomsk
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