Microbial processing of plant remains is co‐limited by multiple nutrients in global grasslands

Ochoa-Hueso, Raul; Borer, Elizabeth T.; Seabloom, Eric W.; Hobbie, Sarah E.; Risch, Anita C.; Collins, Scott L.; Alberti, Juan; Bahamonde, Hector A.; Brown, Cynthia S.; Caldeira, Maria C.; Daleo, Pedro; Dickman, Chris R.; Ebeling, Anne; Eisenhauer, Nico; Esch, Ellen H.; Eskelinen, Anu; Fernandez, Victoria; Gusewell, Sabine; Gutierrez-Larruga, Blanca; Hofmockel, Kirsten; Laungani, Ramesh; Lind, Eric; Lopez, Andrea; McCulley, Rebecca L.; Moore, Joslin L.; Peri, Pablo L.; Power, Sally A.; Price, Jodi N.; Prober, Suzanne M.; Roscher, Christiane; Sarneel, Judith M.; Schutz, Martin; Siebert, Julia; Standish, Rachel J.; Ayuso, Sergio Velasco; Virtanen, Risto; Wardle, Glenda M.; Wiehl, Georg; Yahdjian, Laura; Zamin, Tara (2020-06-10)
 
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https://doi.org/10.1111/gcb.15146

Ochoa-Hueso, Raul
Borer, Elizabeth T.
Seabloom, Eric W.
Hobbie, Sarah E.
Risch, Anita C.
Collins, Scott L.
Alberti, Juan
Bahamonde, Hector A.
Brown, Cynthia S.
Caldeira, Maria C.
Daleo, Pedro
Dickman, Chris R.
Ebeling, Anne
Eisenhauer, Nico
Esch, Ellen H.
Eskelinen, Anu
Fernandez, Victoria
Gusewell, Sabine
Gutierrez-Larruga, Blanca
Hofmockel, Kirsten
Laungani, Ramesh
Lind, Eric
Lopez, Andrea
McCulley, Rebecca L.
Moore, Joslin L.
Peri, Pablo L.
Power, Sally A.
Price, Jodi N.
Prober, Suzanne M.
Roscher, Christiane
Sarneel, Judith M.
Schutz, Martin
Siebert, Julia
Standish, Rachel J.
Ayuso, Sergio Velasco
Virtanen, Risto
Wardle, Glenda M.
Wiehl, Georg
Yahdjian, Laura
Zamin, Tara
John Wiley & Sons
10.06.2020

Ochoa‐Hueso, R, Borer, ET, Seabloom, EW, et al. Microbial processing of plant remains is co‐limited by multiple nutrients in global grasslands. Glob Change Biol. 2020; 26: 4572– 4582. https://doi.org/10.1111/gcb.15146

https://rightsstatements.org/vocab/InC/1.0/
© 2020 John Wiley & Sons Ltd. This is the peer reviewed version of the following article: Ochoa‐Hueso, R, Borer, ET, Seabloom, EW, et al. Microbial processing of plant remains is co‐limited by multiple nutrients in global grasslands. Glob Change Biol. 2020; 26: 4572– 4582, which has been published in final form at https://doi.org/10.1111/gcb.15146. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving
https://rightsstatements.org/vocab/InC/1.0/
doi:https://doi.org/10.1111/gcb.15146
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https://urn.fi/URN:NBN:fi-fe2020090768710
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Abstract

Microbial processing of aggregate‐unprotected organic matter inputs is key for soil fertility, long‐term ecosystem carbon and nutrient sequestration and sustainable agriculture. We investigated the effects of adding multiple nutrients (nitrogen, phosphorus and potassium plus nine essential macro‐ and micro‐nutrients) on decomposition and biochemical transformation of standard plant materials buried in 21 grasslands from four continents. Addition of multiple nutrients weakly but consistently increased decomposition and biochemical transformation of plant remains during the peak‐season, concurrent with changes in microbial exoenzymatic activity. Higher mean annual precipitation and lower mean annual temperature were the main climatic drivers of higher decomposition rates, while biochemical transformation of plant remains was negatively related to temperature of the wettest quarter. Nutrients enhanced decomposition most at cool, high rainfall sites, indicating that in a warmer and drier future fertilized grassland soils will have an even more limited potential for microbial processing of plant remains.

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