The soil microbiome governs the response of microbial respiration to warming across the globe

TitleThe soil microbiome governs the response of microbial respiration to warming across the globe
Publication TypeJournal Article
Year of Publication2023
AuthorsSaez-Sandino T., Garcia-Palacios P., Maestre F.T, Plaza C., Guirado E., Singh B.K, Wang J.T, Cano-Díaz C., Eisenhauer N., Gallardo A., Delgado-Baquerizo M.
JournalNature Climate Change
Volume13
Pagination1382-+
Date PublishedDec
Type of ArticleArticle
ISBN Number1758-678X
Accession NumberWOS:001124347300001
Keywordsaccessibility, bacterial, carbon, climate, communities, Environmental Sciences & Ecology, fatty-acid analysis, feedbacks, Meteorology & Atmospheric Sciences, organic-matter decomposition, rates, sensitivity, temperature
Abstract

The sensitivity of soil microbial respiration to warming (Q10) remains a major source of uncertainty surrounding the projections of soil carbon emissions to the atmosphere as the factors driving Q10 patterns across ecosystems have been assessed in isolation from each other. Here we report the results of a warming experiment using soils from 332 sites across all continents and major biomes to simultaneously evaluate the main drivers of global Q10 patterns. Compared with biochemical recalcitrance, mineral protection, substrate quantity and environmental factors, the soil microbiome (that is, microbial biomass and bacterial taxa) explained the largest portion of variation in Q10 values. Our work provides solid evidence that soil microbiomes largely govern the responses of soil heterotrophic respiration to warming and thus need to be explicitly accounted for when assessing land carbon-climate feedbacks. The authors use experimental data from 332 sites across all major global biomes to evaluate the drivers of soil microbial respiration response to warming. They demonstrate a key role of the soil microbiome, highlighting the need to account for this in assessments of soil respiration under change.

Short TitleNat. Clim. Chang.Nat. Clim. Chang.
Alternate JournalNat. Clim. Chang.
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Times Cited: 5
Cited Reference Count: 75
Saez-Sandino, Tadeo Garcia-Palacios, Pablo Maestre, Fernando T. Plaza, Cesar Guirado, Emilio Singh, Brajesh K. Wang, Juntao Cano-Diaz, Concha Eisenhauer, Nico Gallardo, Antonio Delgado-Baquerizo, Manuel
Saez Sandino, Tadeo/CAC-5961-2022; Delgado-Baquerizo, Manuel/L-3653-2017; Cano-Díaz, Concha/AAD-1034-2022; Eisenhauer, Nico/I-5932-2012; Singh, Brajesh/R-6321-2019; Wang, Juntao/O-4423-2015; Guirado, Emilio/GOG-9161-2022; 王, 俊/IWM-5292-2023; Gallardo, Antonio/L-3941-2017; Garcia-Palacios, Pablo/K-7567-2014; Maestre, Fernando T/A-6825-2008
Saez Sandino, Tadeo/0000-0001-9539-4716; Delgado-Baquerizo, Manuel/0000-0002-6499-576X; Cano-Díaz, Concha/0000-0001-6948-6553; Eisenhauer, Nico/0000-0002-0371-6720; Singh, Brajesh/0000-0003-4413-4185; Wang, Juntao/0000-0002-1822-2176; Guirado, Emilio/0000-0001-5348-7391; Gallardo, Antonio/0000-0002-2674-4265; Garcia-Palacios, Pablo/0000-0002-6367-4761; Maestre, Fernando T/0000-0002-7434-4856
FEDER/Ministerio de Ciencia, Innovacion y Universidades-Agencia Estatal de Investigacion/Proyect; BES; Innovation programme under Marie Sklodowska-Curie Grant; Ramon y Cajal; Spanish Ministry of Science and Innovation [CGL2017-88124-R]; Junta de Andalucia [LRB17\1019]; European Research Council [702057]; Generalitat Valenciana [RYC2018-025483-I]; Spanish Ministry of Science and Innovation [PID2020-115813RA-I00]; ETH Zurich [P20_00879]; University of Alicante [647038]; Generalitat Valenciana [CIDEGENT/2018/041]; Europen Social Fund [PID2020-116578RB-I00]; [APOSTD/2021/188]
T.S.-S. and A.G. were supported by FEDER/Ministerio de Ciencia, Innovacion y Universidades-Agencia Estatal de Investigacion/Proyect (CGL2017-88124-R). M.D.-B. was supported by the BES grant agreement number LRB17\1019 (MUSGONET), innovation programme under Marie Sklodowska-Curie Grant Agreement 702057 (CLIMIFUN), Ramon y Cajal grant (RYC2018-025483-I), a project from the Spanish Ministry of Science and Innovation (PID2020-115813RA-I00; SOIL4GROWTH) and a project PAIDI 2020 from the Junta de Andalucia (P20_00879). F.T.M. is supported by the European Research Council grant 647038 (BIODESERT), Generalitat Valenciana grant CIDEGENT/2018/041, by the Spanish Ministry of Science and Innovation (grant PID2020-116578RB-I00) and by the contract between ETH Zurich and University of Alicante 'Mapping terrestrial ecosystem structure at the global scale'. E.G. acknowledges funding from Generalitat Valenciana and Europen Social Fund grant (APOSTD/2021/188). T.S.-S., A.G. and M.D.-B. were also supported by TED2021-130908B-C41 (URBANCHANGE). N.E. gratefully acknowledges the support of iDiv, which is funded by the German Research Foundation (DFG - FZT 118, 202548816), as well as by the DFG (Ei 862/29-1; Ei 862/31-1). C.C.-D. is supported by a Post-doc Research Scholarship in the context of the FCT funded project SoilRecon with reference BIPD_01_2021_FCT-PTDC/BIA-CBI/2340/ 2020 and acknowledges the Center for Research and Development in Agrifood Systems and Sustainability (CISAS) with references UIDB/05937/2020 and UIDP/05937/2020, also funded by FCT national funds. We thank the researchers originally involved in the BIODESERT, CLIMIFUN and MUSGONET projects.
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Sáez-Sandino, T (corresponding author), Univ Pablo de Olavide, Dept Sistemas Fis Quim & Nat, Seville, Spain.; Delgado-Baquerizo, M (corresponding author), CSIC, Inst Recursos Nat & Agrobiol Sevilla IRNAS, Lab Biodivers & Funcionamiento Ecosistem, Seville, Spain.
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