Articles | Volume 19, issue 17
https://doi.org/10.5194/bg-19-4011-2022
https://doi.org/10.5194/bg-19-4011-2022
Research article
 | 
01 Sep 2022
Research article |  | 01 Sep 2022

Temperature sensitivity of dark CO2 fixation in temperate forest soils

Rachael Akinyede, Martin Taubert, Marion Schrumpf, Susan Trumbore, and Kirsten Küsel

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Cited articles

Achilles, F., Tischer, A., Bernhardt-Römermann, M., Heinze, M., Reinhardt, F., Makeschin, F., and Michalzik, B.: European beech leads to more bioactive humus forms but stronger mineral soil acidification as Norway spruce and Scots pine – Results of a repeated site assessment after 63 and 82 years of forest conversion in Central Germany, Forest Ecol. Manag., 483, 118769, https://doi.org/10.1016/j.foreco.2020.118769, 2020. 
Adams, M. B., Kelly, C., Kabrick, J., and Schuler, J.: Temperate forests and soils, Chap. 6, in: Global Change and Forest Soils: Cultivating stewardship of a finite natural resource. Developments in Soil Science, edited by: Busse, M., Giardina, C. P., Morris, D. M., and Page, D. D. S., Elsevier, 36, 83–108, https://doi.org/10.1016/b978-0-444-63998-1.00006-9, 2019. 
Akinyede, R., Taubert, M., Schrumpf, M., Trumbore, S., and Küsel, K.: Rates of dark CO2 fixation are driven by microbial biomass in a temperate forest soil, Soil Biol. Biochem., 150, 107950, https://doi.org/10.1016/j.soilbio.2020.107950, 2020. 
Akinyede, R., Taubert, M., Schrumpf, M., Trumbore, S., and Küsel, K.: Dark CO2 fixation in temperate beech and pine forest soils, Soil Biol. Biochem., 165, 108526, https://doi.org/10.1016/j.soilbio.2021.108526, 2022a. 
Akinyede, R., Taubert, M., Schrumpf, M., Trumbore, S., and Küsel, K.: Temperature sensitivity of dark CO2 fixation in temperate forest soils, Edmond V1 [data set], https://doi.org/10.17617/3.EFHWIY, 2022b. 
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Short summary
Soils will likely become warmer in the future, and this can increase the release of carbon dioxide (CO2) into the atmosphere. As microbes can take up soil CO2 and prevent further escape into the atmosphere, this study compares the rate of uptake and release of CO2 at two different temperatures. With warming, the rate of CO2 uptake increases less than the rate of release, indicating that the capacity to modulate soil CO2 release into the atmosphere will decrease under future warming.
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