Articles | Volume 17, issue 12
https://doi.org/10.5194/bg-17-3045-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-17-3045-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Using respiration quotients to track changing sources of soil respiration seasonally and with experimental warming
Caitlin Hicks Pries
CORRESPONDING AUTHOR
Department of Biological Sciences, Dartmouth College, Hanover, NH 03755, USA
Climate and Ecosystem Science Division, Earth and Environmental
Science Area, Lawrence Berkeley National Laboratory, Berkeley, CA 94720,
USA
Alon Angert
Institute of Earth Sciences, the Hebrew University of Jerusalem, Givat Ram, Jerusalem 91904, Israel
Cristina Castanha
Climate and Ecosystem Science Division, Earth and Environmental
Science Area, Lawrence Berkeley National Laboratory, Berkeley, CA 94720,
USA
Boaz Hilman
Institute of Earth Sciences, the Hebrew University of Jerusalem, Givat Ram, Jerusalem 91904, Israel
currently at: Department of Biogeochemical Processes,
Max Planck Institute for Biogeochemistry, Jena 07745, Germany
Margaret S. Torn
Climate and Ecosystem Science Division, Earth and Environmental
Science Area, Lawrence Berkeley National Laboratory, Berkeley, CA 94720,
USA
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Cited
13 citations as recorded by crossref.
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- A modeling approach to investigate drivers, variability and uncertainties in O2 fluxes and O2 : CO2 exchange ratios in a temperate forest Y. Yan et al. 10.5194/bg-20-4087-2023
- Spatial Heterogeneity of Soil Respiration and Its Relationship with the Spatial Distribution of the Forest Ecosystem at the Fine Scale Z. Chen et al. 10.3390/f16040678
- Controls on the respiratory quotient of organic matter decomposition across ecosystems K. Vaziourakis et al. 10.1007/s10533-025-01217-8
- A new approach to continuous monitoring of carbon use efficiency and biosynthesis in soil microbes from measurement of CO2 and O2 K. Smart et al. 10.5194/bg-22-87-2025
13 citations as recorded by crossref.
- Removal of nitrate and phosphate from runoff by near-stream soils under future climate scenarios J. Clements & C. Hodges 10.1016/j.catena.2025.109246
- Oxalate and oxalotrophy: an environmental perspective D. Cowan et al. 10.1093/sumbio/qvad004
- Diurnal variability of atmospheric O2, CO2, and their exchange ratio above a boreal forest in southern Finland K. Faassen et al. 10.5194/acp-23-851-2023
- Breathing Planet Earth: Analysis of Keeling’s Data on CO2 and O2 with Respiratory Quotient (RQ), Part II: Energy-Based Global RQ and CO2 Budget K. Annamalai 10.3390/en17081800
- Breathing Planet Earth: Analysis of Keeling’s Data on CO2 and O2 with Respiratory Quotient (RQ), Part I: Global Respiratory Quotient (RQGlob) of Earth K. Annamalai 10.3390/en17020299
- Probing the exchange of CO2 and O2 in the shallow critical zone during weathering of marl and black shale T. Roylands et al. 10.5194/esurf-12-271-2024
- Carbon dynamics in termite mounds: The effect of land use on microbial oxalotrophy T. Nel et al. 10.1016/j.catena.2025.108947
- Carbon Dioxide Production in Bedrock Beneath Soils Substantially Contributes to Forest Carbon Cycling A. Tune et al. 10.1029/2020JG005795
- The Apparent Respiratory Quotient of Soils and Tree Stems and the Processes That Control It B. Hilman et al. 10.1029/2021JG006676
- A modeling approach to investigate drivers, variability and uncertainties in O2 fluxes and O2 : CO2 exchange ratios in a temperate forest Y. Yan et al. 10.5194/bg-20-4087-2023
- Spatial Heterogeneity of Soil Respiration and Its Relationship with the Spatial Distribution of the Forest Ecosystem at the Fine Scale Z. Chen et al. 10.3390/f16040678
- Controls on the respiratory quotient of organic matter decomposition across ecosystems K. Vaziourakis et al. 10.1007/s10533-025-01217-8
- A new approach to continuous monitoring of carbon use efficiency and biosynthesis in soil microbes from measurement of CO2 and O2 K. Smart et al. 10.5194/bg-22-87-2025
Latest update: 28 Jun 2025
Short summary
The apparent respiration quotient (ARQ) changes according to which substrates microbes consume, allowing sources of soil respiration to be traced. In a forest soil warming experiment, ARQ had a strong seasonal pattern that reflected a shift from respiration being fueled by sugars and organic acids derived from roots during the growing season to respiration being fueled by dead microbes during winter. ARQ values also changed with experimental warming.
The apparent respiration quotient (ARQ) changes according to which substrates microbes consume,...
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