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CO2 Fluxes from theSoil Surface in PineStands on CentralSiberia: Contributionof MoistureConditions of theGrowing Season Makhnykina A. V.Prokushkin A. S.Panov A. V.2025 год

CO2 Fluxes from the Soil Surface in Pine Stands on Central Siberia: Contribution of Moisture Conditions of the Growing Season : научное издание
статья из журнала

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База данных: Каталог библиотеки СФУ
Библиографическое описание: CO2 Fluxes from the Soil Surface in Pine Stands on Central Siberia: Contribution of Moisture Conditions of the Growing Season : научное издание / A. V. Makhnykina [et al.]. - Текст : непосредственный // Russian Journal of Ecology. - 2025. - Т. 56, № 6. - P. 631-639. - The study was supported by a grant from the Russian Science Foundation (project no. 24-74-00159). - ISSN 1067-4136. - ISSN 1608-3334, DOI 10.1134/S1067413625601939.
Аннотация: Forest ecosystems of the boreal zone are the most vulnerable areas in terms of current climate change. CO<sub>2</sub> fluxes from the soil surface are also significantly modified by sudden changes in environmental conditions. The main objective of this study was to trace the response of emission and exchange fluxes of CO<sub>2</sub> from the soil surface in mid-taiga ecosystems to changes in moisture conditions during heavy precipitation. Direct chamber measurement methods during the frost-free period of the year were chosen as the research methods. It was found that for pine stands with different ground cover, microclimatic characteristics make a significant contribution to the formation of the CO<sub>2</sub> flux. CO<sub>2</sub> pulses in the ecosystem of the lichen pine forest throughout the season are manifested in an increase in the exchange CO<sub>2</sub> CO<sub>2</sub> by an average of 3–4 times. In a green moss pine forest, the value of CO<sub>2</sub> pulses varies considerably during the season, reaching a maximum in the middle of the growing season: initial CO<sub>2</sub> flux rates increased 5 times. With an increase in the amount of precipitation in the lichen pine forest, an intensification of production activity by 12% was also observed. At the same time, the optimal soil moisture for producing the maximum amount of CO<sub>2</sub> for lichen pine forests is on average 33%, and for green moss pine forests it is about 46%.
Год издания: 2025
Авторы: Makhnykina A. V. , Prokushkin A. S. , Panov A. V. , Aryasov V. E. , Trusov D. V. , Vaganov E. A.
Издательство: Pleiades Publishing, Ltd., Moscow
Источник: Russian Journal of Ecology
Выпуск: Т. 56, № 6
Номера страниц: 631-639
Держатель оригинала документа: Federal State Autonomous Educational Institution of Higher Education Siberian Federal University, V.N. Sukachev Institute of Forest, Siberian Branch, Russian Academy of Sciences
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