Articles | Volume 21, issue 9
https://doi.org/10.5194/bg-21-2313-2024
https://doi.org/10.5194/bg-21-2313-2024
Research article
 | 
14 May 2024
Research article |  | 14 May 2024

Modeling microbial carbon fluxes and stocks in global soils from 1901 to 2016

Liyuan He, Jorge L. Mazza Rodrigues, Melanie A. Mayes, Chun-Ta Lai, David A. Lipson, and Xiaofeng Xu

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Cited articles

Bailey, V. L., Smith, J. L., and Bolton, H.: Fungal-to-bacterial ratios in soils investigated for enhanced C sequestration, Soil Biol. Biochem., 34, 997–1007, https://doi.org/10.1016/S0038-0717(02)00033-0, 2002. 
Boer, W. d., Folman, L. B., Summerbell, R. C., and Boddy, L.: Living in a fungal world: impact of fungi on soil bacterial niche development, FEMS Microbiol. Rev., 29, 795–811, https://doi.org/10.1016/j.femsre.2004.11.005, 2005. 
Bonan, G. B., Lombardozzi, D. L., Wieder, W. R., Oleson, K. W., Lawrence, D. M., Hoffman, F. M., and Collier, N.: Model structure and climate data uncertainty in historical simulations of the terrestrial carbon cycle (1850–2014), Global Biogeochem. Cy., 33, 1310–1326, 2019. 
Bond-Lamberty, B. and Thomson, A.: Temperature-associated increases in the global soil respiration record, Nature, 464, 579–582, 2010. 
Bond-Lamberty, B., Bailey, V. L., Chen, M., Gough, C. M., and Vargas, R.: Globally rising soil heterotrophic respiration over recent decades, Nature, 560, 80–83, https://doi.org/10.1038/s41586-018-0358-x, 2018. 
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Short summary
Soil microbes are the driving engine for biogeochemical cycles of carbon and nutrients. This study applies a microbial-explicit model to quantify bacteria and fungal biomass carbon in soils from 1901 to 2016. Results showed substantial increases in bacterial and fungal biomass carbon over the past century, jointly influenced by vegetation growth and soil temperature and moisture. This pioneering century-long estimation offers crucial insights into soil microbial roles in global carbon cycling.
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