Soil carbon emissions in a temperate mixed forest (Tatarstan, Russia) revisited
The article presents the results of a study of soil carbon dioxide emissions in a mixed forest within the framework of the Carbon-Povolzhie project (Republic of Tatarstan, Russia), aimed at assessing the carbon budget of the ecosystems of the Middle Volga region (Russia). The work continues the stud...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
EDP Sciences
2025-01-01
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| Series: | BIO Web of Conferences |
| Online Access: | https://www.bio-conferences.org/articles/bioconf/pdf/2025/11/bioconf_eeste2024_02023.pdf |
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| Summary: | The article presents the results of a study of soil carbon dioxide emissions in a mixed forest within the framework of the Carbon-Povolzhie project (Republic of Tatarstan, Russia), aimed at assessing the carbon budget of the ecosystems of the Middle Volga region (Russia). The work continues the study of soil respiration, which began in 2022. Fifteen measurements were taken from April to November 2023 in five replicates. The average monthly carbon emission during the growing season and pre-winter period was 0.15 g C h/m2. The largest emissions were observed at the warmest month – July. The main driver of soil respiration during daylight hours is topsoil temperature. The contribution of soil moisture to carbon emissions is nonlinear and can be considered minor compared to ambient temperature. 20% soil moisture increases soil CO2 emission. |
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| ISSN: | 2117-4458 |