Global ecological predictors of the soil priming effect

F. Bastida; C. García; N. Fierer; D.J. Eldridge; M.A. Bowker; S. Abades; F.D. Alfaro; A.A. Berhe; N.A. Cutler; A. Gallardo; L. García-Velázquez; S.C. Hart; P.E. Hayes; T. Hernández; Z.-Y. Hseu; N. Jehmlich; M. Kirchmair; H. Lambers; S. Neuhauser; V.M. Peña-Ramírez; C.A. Pérez; S.C. Reed; F. Santos; C. Siebe; B.W. Sullivan; P. Trivedi; A. Vera; M.A. Williams; Moreno Luis; Manuel Delgado-Baquerizo

doi:10.1038/s41467-019-11472-7

Global ecological predictors of the soil priming effect

F. Bastida, C. García, N. Fierer, D.J. Eldridge, M.A. Bowker, S. Abades, F.D. Alfaro, A.A. Berhe, N.A. Cutler, A. Gallardo, L. García-Velázquez, S.C. Hart, P.E. Hayes, T. Hernández, Z.-Y. Hseu, N. Jehmlich, M. Kirchmair, H. Lambers, S. Neuhauser, V.M. Peña-RamírezC.A. Pérez, S.C. Reed, F. Santos, C. Siebe, B.W. Sullivan, P. Trivedi, A. Vera, M.A. Williams, Moreno Luis, Manuel Delgado-Baquerizo

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Abstract

Identifying the global drivers of soil priming is essential to understanding C cycling in terrestrial ecosystems. We conducted a survey of soils across 86 globally-distributed locations, spanning a wide range of climates, biotic communities, and soil conditions, and evaluated the apparent soil priming effect using 13C-glucose labeling. Here we show that the magnitude of the positive apparent priming effect (increase in CO2 release through accelerated microbial biomass turnover) was negatively associated with SOC content and microbial respiration rates. Our statistical modeling suggests that apparent priming effects tend to be negative in more mesic sites associated with higher SOC contents. In contrast, a single-input of labile C causes positive apparent priming effects in more arid locations with low SOC contents. Our results provide solid evidence that SOC content plays a critical role in regulating apparent priming effects, with important implications for the improvement of C cycling models under global change scenarios.

Original language	English
Article number	3481
Number of pages	9
Journal	Nature Communications
Volume	10
Issue number	1
DOIs	https://doi.org/10.1038/s41467-019-11472-7
Publication status	Published - 2019

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Bastida, F., García, C., Fierer, N., Eldridge, D. J., Bowker, M. A., Abades, S., Alfaro, F. D., Berhe, A. A., Cutler, N. A., Gallardo, A., García-Velázquez, L., Hart, S. C., Hayes, P. E., Hernández, T., Hseu, Z.-Y., Jehmlich, N., Kirchmair, M., Lambers, H., Neuhauser, S., ... Delgado-Baquerizo, M. (2019). Global ecological predictors of the soil priming effect. Nature Communications, 10(1), Article 3481. https://doi.org/10.1038/s41467-019-11472-7

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title = "Global ecological predictors of the soil priming effect",

abstract = "Identifying the global drivers of soil priming is essential to understanding C cycling in terrestrial ecosystems. We conducted a survey of soils across 86 globally-distributed locations, spanning a wide range of climates, biotic communities, and soil conditions, and evaluated the apparent soil priming effect using 13C-glucose labeling. Here we show that the magnitude of the positive apparent priming effect (increase in CO2 release through accelerated microbial biomass turnover) was negatively associated with SOC content and microbial respiration rates. Our statistical modeling suggests that apparent priming effects tend to be negative in more mesic sites associated with higher SOC contents. In contrast, a single-input of labile C causes positive apparent priming effects in more arid locations with low SOC contents. Our results provide solid evidence that SOC content plays a critical role in regulating apparent priming effects, with important implications for the improvement of C cycling models under global change scenarios.",

author = "F. Bastida and C. Garc{\'i}a and N. Fierer and D.J. Eldridge and M.A. Bowker and S. Abades and F.D. Alfaro and A.A. Berhe and N.A. Cutler and A. Gallardo and L. Garc{\'i}a-Vel{\'a}zquez and S.C. Hart and P.E. Hayes and T. Hern{\'a}ndez and Z.-Y. Hseu and N. Jehmlich and M. Kirchmair and H. Lambers and S. Neuhauser and V.M. Pe{\~n}a-Ram{\'i}rez and C.A. P{\'e}rez and S.C. Reed and F. Santos and C. Siebe and B.W. Sullivan and P. Trivedi and A. Vera and M.A. Williams and Moreno Luis and Manuel Delgado-Baquerizo",

year = "2019",

doi = "10.1038/s41467-019-11472-7",

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Bastida, F, García, C, Fierer, N, Eldridge, DJ, Bowker, MA, Abades, S, Alfaro, FD, Berhe, AA, Cutler, NA, Gallardo, A, García-Velázquez, L, Hart, SC, Hayes, PE, Hernández, T, Hseu, Z-Y, Jehmlich, N, Kirchmair, M, Lambers, H, Neuhauser, S, Peña-Ramírez, VM, Pérez, CA, Reed, SC, Santos, F, Siebe, C, Sullivan, BW, Trivedi, P, Vera, A, Williams, MA, Luis, M & Delgado-Baquerizo, M 2019, 'Global ecological predictors of the soil priming effect', Nature Communications, vol. 10, no. 1, 3481. https://doi.org/10.1038/s41467-019-11472-7

TY - JOUR

T1 - Global ecological predictors of the soil priming effect

AU - Bastida, F.

AU - García, C.

AU - Fierer, N.

AU - Eldridge, D.J.

AU - Bowker, M.A.

AU - Abades, S.

AU - Alfaro, F.D.

AU - Berhe, A.A.

AU - Cutler, N.A.

AU - Gallardo, A.

AU - García-Velázquez, L.

AU - Hart, S.C.

AU - Hayes, P.E.

AU - Hernández, T.

AU - Hseu, Z.-Y.

AU - Jehmlich, N.

AU - Kirchmair, M.

AU - Lambers, H.

AU - Neuhauser, S.

AU - Peña-Ramírez, V.M.

AU - Pérez, C.A.

AU - Reed, S.C.

AU - Santos, F.

AU - Siebe, C.

AU - Sullivan, B.W.

AU - Trivedi, P.

AU - Vera, A.

AU - Williams, M.A.

AU - Luis, Moreno

AU - Delgado-Baquerizo, Manuel

PY - 2019

Y1 - 2019

N2 - Identifying the global drivers of soil priming is essential to understanding C cycling in terrestrial ecosystems. We conducted a survey of soils across 86 globally-distributed locations, spanning a wide range of climates, biotic communities, and soil conditions, and evaluated the apparent soil priming effect using 13C-glucose labeling. Here we show that the magnitude of the positive apparent priming effect (increase in CO2 release through accelerated microbial biomass turnover) was negatively associated with SOC content and microbial respiration rates. Our statistical modeling suggests that apparent priming effects tend to be negative in more mesic sites associated with higher SOC contents. In contrast, a single-input of labile C causes positive apparent priming effects in more arid locations with low SOC contents. Our results provide solid evidence that SOC content plays a critical role in regulating apparent priming effects, with important implications for the improvement of C cycling models under global change scenarios.

AB - Identifying the global drivers of soil priming is essential to understanding C cycling in terrestrial ecosystems. We conducted a survey of soils across 86 globally-distributed locations, spanning a wide range of climates, biotic communities, and soil conditions, and evaluated the apparent soil priming effect using 13C-glucose labeling. Here we show that the magnitude of the positive apparent priming effect (increase in CO2 release through accelerated microbial biomass turnover) was negatively associated with SOC content and microbial respiration rates. Our statistical modeling suggests that apparent priming effects tend to be negative in more mesic sites associated with higher SOC contents. In contrast, a single-input of labile C causes positive apparent priming effects in more arid locations with low SOC contents. Our results provide solid evidence that SOC content plays a critical role in regulating apparent priming effects, with important implications for the improvement of C cycling models under global change scenarios.

UR - https://hdl.handle.net/1959.7/uws:66315

U2 - 10.1038/s41467-019-11472-7

DO - 10.1038/s41467-019-11472-7

M3 - Article

SN - 2041-1723

VL - 10

JO - Nature Communications

JF - Nature Communications

IS - 1

M1 - 3481

ER -

Global ecological predictors of the soil priming effect

Abstract

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