Biogeosciences
Biogeosciences
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Articles | Volume 23, issue 19
Articles | Volume 23, issue 19
https://doi.org/10.5194/bg-23-6817-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-23-6817-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 19
Research article
 | 
05 Oct 2026
Research article |  | 05 Oct 2026

Modeling microbial regulatory feedback in organic matter decomposition identifies copiotrophic traits as key drivers of positive priming

Firnaaz Ahamed, James C. Stegen, Emily B. Graham, Timothy D. Scheibe, and Hyun-Seob Song

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Latest update: 25 Oct 2026
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Short summary
This research examines how labile organic matter influences the breakdown of complex organic matter  (termed priming). Using a new modeling method, the study shows how microbial growth traits and interactions determine whether priming effects are positive or negative. By identifying microbial strategies as critical drivers of decomposition, this work provides a unified framework to improve predictions of nutrient cycling and carbon sequestration across diverse ecosystems.
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