Articles | Volume 22, issue 23
https://doi.org/10.5194/bg-22-7829-2025
https://doi.org/10.5194/bg-22-7829-2025
Research article
 | 
09 Dec 2025
Research article |  | 09 Dec 2025

Environmental conditions rather than nitrogen availability limit nitrous oxide (N2O) fluxes from a temperate birch forest

Galina Y. Toteva, David Reay, Matthew Jones, Ajinkya Deshpande, Nicholas Cowan, Peter Levy, Duncan Harvey, Agata Iwanicka, and Julia Drewer

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Short summary
The impacts of increasing nitrogen deposition on the fluxes of nitrous oxide from a temperate birch forest were investigated in-situ and ex-situ. Nitrogen levels had a limited effect on emissions. Instead, emissions of nitrous oxide were modulated by soil carbon availability and meeting a dual temperature-moisture threshold. An implication of these findings is that forests could be used for mitigating nitrogen pollution without incurring a greenhouse gas penalty, at least in the short term.
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