Diverse soil microbial communities may mitigate climate system bifurcation

Ivan Sudakow, Elena Savenkova, Dmitri Kondrashov, Sergey A. Vakulenko and Elena Sashina

Chaos, Solitons & Fractals, 2023, vol. 177, issue C

Abstract: Permafrost thaw reinforces greenhouse gas production. The resulting growth of greenhouse gases (especially methane) in the atmosphere may trigger a climate system bifurcation. To study how changes in the microbial community may cause greenhouse gas emissions from permafrost and produce bifurcations in climate temperature dynamics we propose a conceptual nonlinear model that couples an atmospheric dynamics model with the population structure of microbial communities. Our model is mathematically well-posed, demonstrating that microbial population diversity can significantly lower planetary surface temperatures, an outcome contingent upon the average population parameters and their standard deviations.

Keywords: Microbial community; Instability; Permafrost; Bifurcation; Greenhouse gas emission; Climate change (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:177:y:2023:i:c:s096007792301175x

DOI: 10.1016/j.chaos.2023.114273

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