Articles | Volume 6, issue 2
https://doi.org/10.5194/soil-6-399-2020
https://doi.org/10.5194/soil-6-399-2020
Original research article
 | 
26 Aug 2020
Original research article |  | 26 Aug 2020

Short- and long-term temperature responses of soil denitrifier net N2O efflux rates, inter-profile N2O dynamics, and microbial genetic potentials

Kate M. Buckeridge, Kate A. Edwards, Kyungjin Min, Susan E. Ziegler, and Sharon A. Billings

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Cited articles

Alster, C. J., German, D. P., Lu, Y., and Allison, S. D.: Microbial enzymatic responses to drought and to nitrogen addition in a southern California grassland, Soil Biol. Biochem., 64, 68–79, https://doi.org/10.1016/j.soilbio.2013.03.034, 2013. 
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Bai, E., Li, S., Xu, W., Li, W., Dai, W., and Jiang, P.: A meta-analysis of experimental warming effects on terrestrial nitrogen pools and dynamics, New Phytol., 199, 431–440, https://doi.org/10.1111/nph.12252, 2013. 
Bengtsson, G. and Bergwall, C.: Fate of 15N labelled nitrate and ammonium in a fertilized forest soil, Soil Biol. Biochem., 32, 545–557, https://doi.org/10.1016/S0038-0717(99)00183-2, 2000. 
Benoit, M., Garnier, J., and Billen, G.: Temperature dependence of nitrous oxide production of a luvisolic soil in batch experiments, Process Biochem., 50, 79–85, https://doi.org/10.1016/j.procbio.2014.10.013, 2015. 
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Short summary
We do not understand the short- and long-term temperature response of soil denitrifiers, which produce and consume N2O. Boreal forest soils from a long-term climate gradient were incubated in short-term warming experiments. We found stronger N2O consumption at depth, inconsistent microbial gene abundance and function, and consistent higher N2O emissions from warmer-climate soils at warmer temperatures. Consideration of our results in models will contribute to improved climate projections.
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