The Impact of Climatic Factors on CО2 Emissions from Soils of Middle-Taiga Forests in Central Siberia: Emission as a Function of Soil Temperature and Moisture
| Autor: | Ivan Tychkov, Evgeny A. Vaganov, Alexey V. Rubtsov, Oleg V. Menyailo, S. V. Verkhovets, A. V. Makhnykina, Anatoly S. Prokushkin, Nataly Koshurnikova, A. V. Urban |
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| Rok vydání: | 2020 |
| Předmět: |
0303 health sciences
Moisture 030302 biochemistry & molecular biology Taiga Growing season 04 agricultural and veterinary sciences Land cover Atmospheric sciences Carbon cycle 03 medical and health sciences Soil water 040103 agronomy & agriculture 0401 agriculture forestry and fisheries Environmental science Ecosystem Water content Ecology Evolution Behavior and Systematics |
| Zdroj: | Russian Journal of Ecology. 51:46-56 |
| ISSN: | 1608-3334 1067-4136 |
| DOI: | 10.1134/s1067413620010063 |
| Popis: | Soil CO2 emission is one of the most important components of the global carbon cycle. This study analyzes the seasonal dynamics of soil emission for various land cover types in the middle taiga subzone of central Siberia during five growing seasons. It is shown that, throughout a vast area covered by pine forests and their derivatives formed on sandy soils, seasonal CO2 emission values are determined primarily by the moisture conditions and only secondarily by the temperature regime and ecosystem type. The effect of the forest type is manifested only under the most favorable moisture conditions. A new approach is proposed: divide the growing season into dry and moist periods depending on the threshold soil moisture for areas with different vegetation types. |
| Databáze: | OpenAIRE |
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