Cited by 88Soil Carbon and Nitrogen DynamicsMycorrhizal Fungi and Plant InteractionsMicrobial Community Ecology and Physiology

The biogeography of relative abundance of soil fungi versus bacteria in surface topsoil

Open access
Yu, Kailiang, van den Hoogen, Johan, Wang, Zhiqiang, Averill, Colin, Routh, Devin, Smith, Gabriel Reuben, Drenovsky, Rebecca E., Scow, Kate M. +19 more·2022·Earth System Science Data

Published version of a preprint

Abstract

Fungi and bacteria are the two dominant groups of soil microbial communities worldwide. By controlling the turnover of soil organic matter, these organisms directly regulate the cycling of carbon between the soil and the atmosphere. Fundamental differences in the physiology and life history of bacteria and fungi suggest that variation in the biogeography of relative abundance of soil fungi versus bacteria could drive striking differences in carbon decomposition and soil organic matter formation between different biomes. However, a lack of global and predictive information on the distribution of these organisms in terrestrial ecosystems has prevented the inclusion of relative abundance of soil fungi versus bacteria and the associated processes in global biogeochemical models. Here, we used a global-scale dataset of >3000 distinct observations of abundance of soil fungi versus bacteria in the surface topsoil (up to 15 cm) to generate the first quantitative and high-spatial-resolution (1 km 2 ) explicit map of soil fungal proportion, defined as fungi/fungi + bacteria, across terrestrial ecosystems. We reveal striking latitudinal trends where fungal dominance increases in cold and high-latitude environments with large soil carbon stocks. There was a strong nonlinear response of fungal dominance to the environmental gradient, i.e., mean annual temperature (MAT) and net primary productivity (NPP). Fungi dominated in regions with low MAT and NPP and bacteria dominated in regions with high MAT and NPP, thus representing slow vs. fast soil energy channels, respectively, a concept with a long history in soil ecology. These high-resolution models provide the first steps towards representing the major soil microbial groups and their functional differences in global biogeochemical models to improve predictions of soil organic matter turnover under current and future climate scenarios. Raw datasets and global maps generated in this study are available at https://doi.org/10.6084/m9.figshare.19556419 (Yu, 2022).

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Crossref · 10.5194/essd-14-4339-2022

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  • Climate is coupled with litter carbon and nitrogen contents, soil cation exchange capacity, and soil bacterial and fungal diversity in explaining decomposition rates.

    “Climate is coupled with other factors, such as litter carbon and nitrogen contents (35), soil cation exchange capacity (CEC), and soil bacterial and fungal diversity (10), in explaining decomposition rates, showing distinct distribution trends with latitude.”

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Authors
Yu, K., van den Hoogen, J., Wang, Z., Averill, C., Routh, D., Smith, G. R., Drenovsky, R. E., Scow, K. M., Mo, F., Waldrop, M. P., Yang, Y., Tang, W., De Vries, F. T., Bardgett, R. D., Manning, P., Bastida, F., Baer, S. G., Bach, E. M., García, C., Wang, Q., Ma, L., Chen, B., He, X., Teurlincx, S., Heijboer, A., Bradley, J. A., & Crowther, T. W.
Affiliations
  • ETH Zurich (CH)
  • Southwest Minzu University (CN)
  • John Carroll University (US)
  • University of California, Davis (US)
  • Northwest A&F University (CN)
  • Geology, Minerals, Energy, and Geophysics Science Center (US)
  • Chinese Academy of Sciences (CN)
  • University of Manchester (GB)
  • University of Bergen (NO)
  • Consejo Superior de Investigaciones Científicas (ES)
  • University of Kansas (US)
  • The Nature Conservancy (US)
  • Netherlands Institute of Ecology (NL)
  • Utrecht University (NL)
  • Queen Mary University of London (GB)
Corresponding author
  • Waldrop, Mark P.
  • Bach, Elizabeth M.
Venue
Earth System Science Data
Published
2022-09-22
Volume
14
Issue
9
Pages
4339-4350
ISSN
  • 1866-3508 (ISSN-L)
  • 1866-3516
OpenAlex
W4296629326
Cited by
86
References
56
Citations by year
2026: 24 · 2025: 30 · 2024: 20 · 2023: 8 · 2022: 4
FWCI
8.72
Type
journal article
Language
en
Open access
Locations
  • Earth system science data (publishedVersion, cc-by)
  • KNAW research portal (Royal Academy of Art and Sciences (KNAW)) (publishedVersion, cc-by)
  • Repository for Publications and Research Data (ETH Zurich) (publishedVersion, cc-by)
  • UvA-DARE (University of Amsterdam) (acceptedVersion, cc-by)
  • Data Archiving and Networked Services (DANS) (submittedVersion, cc-by)
  • HAL (submittedVersion)
  • NORA - Norwegian Open Research Archives (submittedVersion, cc-by)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Institute of Botany, CAS Institutional Repository (submittedVersion)
  • Research Explorer (The University of Manchester) (submittedVersion)
  • Queen Mary Research Online (Queen Mary University of London) (submittedVersion, cc-by)
  • Data Archiving and Networked Services (DANS) (submittedVersion, other-oa)
  • ETH Zürich Research Collection
Topics
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Mycorrhizal Fungi and Plant Interactions
  • Physical Sciences › Environmental Science › Ecology › Microbial Community Ecology and Physiology
Keywords
soil fungi, soil bacteria, fungal dominance, biogeography, latitudinal gradient, mean annual temperature, net primary productivity, soil organic matter turnover, carbon cycle, terrestrial ecosystems

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