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Загирова С.В., Мигловец М.Н.
Экосистемный обмен СО2 и СН4 торфяных болот таежной зоны на Европейском Северо-Востоке России
// Труды КарНЦ РАН. No 8. Сер. Экологические исследования. 2023. C. 6-12
Zagirova S.V., Miglovets M.N. Ecosystem exchange of CO2 and CH4 in boreal peatlands of the North-East European Russia // Transactions of Karelian Research Centre of Russian Academy of Science. No 8. Ecological Studies Series. 2023. Pp. 6-12
Keywords: palsa mire; meso-oligotrophic bog; carbon dioxide; methane; ecosystem exchange
The article summarizes data from studies of the ecosystem exchange of carbon dioxide and methane emissions in a meso-oligotrophic bog and a palsa mire in North-East European Russia, which differed in topography, plant cover structure, air and soil temperature regimes, and duration of the growing season. The study is based on the results of measurements by using the eddy-covariance and the static chamber methods during the growing season. Differences were detected in the rate and duration of CO2 sink between the two ecosystems. The total net CO2 exchange during the snowless period was 450 g/m2 in the meso-oligotrophic bog, and 150 g/m2 in the palsa mire. The cumulative methane flux in the palsa mire ecosystem was half that of the meso-oligotrophic bog due to the presence of permafrost soils. Herb-dominated hollows were the main sources of methane in the peatlands.
DOI: 10.17076/eco1841
Indexed at RSCI
Last modified: December 27, 2023