Biogeosciences
Biogeosciences
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Articles | Volume 20, issue 1
Articles | Volume 20, issue 1
https://doi.org/10.5194/bg-20-191-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-20-191-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 1
Research article
 | 
12 Jan 2023
Research article |  | 12 Jan 2023

Contrasting activation energies of litter-associated respiration and P uptake drive lower cumulative P uptake at higher temperatures

Nathan J. Tomczyk, Amy D. Rosemond, Anna Kaz, and Jonathan P. Benstead

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Latest update: 02 Nov 2025
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Short summary
Warming is expected to increase rates of microbial metabolism, but the effect of warming on nutrient demand is unclear. Our experiments demonstrate that microbial nutrient uptake increases less with temperature than metabolism, particularly when environmental nutrient concentrations are low. However, our simulation models suggest that warming may actually lead to declines in ecosystem-scale nutrient uptake as warming accelerates the depletion of carbon substrates required for microbial growth.
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