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

R. Ochoa‐Hueso; E.T. Borer; E.W. Seabloom; S.E. Hobbie; A.C. Risch; S.L. Collins; J. Alberti; H.A. Bahamonde; C.S. Brown; M.C. Caldeira; P. Daleo; C.R. Dickman; A. Ebeling; N. Eisenhauer; E.H. Esch; A. Eskelinen; V. Fernández; S. Güsewell; B. Gutierrez‐Larruga; K. Hofmockel; R. Laungani; E. Lind; A. López; R.L. McCulley; J.L. Moore; P.L. Peri; S.A. Power; J.N. Price; S.M. Prober; C. Roscher; J.M. Sarneel; M. Schutz; J. Siebert; R.J. Standish; S. Velasco Ayuso; R. Virtanen; G.M. Wardle; G. Wiehl; L. Yahdjian; T. Zamin

doi:10.1111/gcb.15146

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

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

R. Ochoa‐Hueso, E.T. Borer, E.W. Seabloom, S.E. Hobbie, A.C. Risch, S.L. Collins, J. Alberti, H.A. Bahamonde, C.S. Brown, M.C. Caldeira, …

Global Change Biology, Vol.26(8), pp.4572-4582

2020

DOI: https://doi.org/10.1111/gcb.15146

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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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Title: Microbial processing of plant remains is co‐limited by multiple nutrients in global grasslands
Authors/Creators: R. Ochoa‐Hueso (Author/Creator)
E.T. Borer (Author/Creator) - University of Minnesota
E.W. Seabloom (Author/Creator) - University of Minnesota
S.E. Hobbie (Author/Creator) - University of Minnesota
A.C. Risch (Author/Creator) - Swiss Federal Institute for Forest, Snow and Landscape Research
S.L. Collins (Author/Creator) - University of New Mexico
J. Alberti (Author/Creator) - Instituto de Investigacións Mariñas
H.A. Bahamonde (Author/Creator) - National University of Austral Patagonia
C.S. Brown (Author/Creator) - Colorado State University
M.C. Caldeira (Author/Creator) - University of Lisbon
P. Daleo (Author/Creator) - Instituto de Investigacións Mariñas
C.R. Dickman (Author/Creator) - The University of Sydney
A. Ebeling (Author/Creator) - Friedrich Schiller University Jena
N. Eisenhauer (Author/Creator) - Leipzig University
E.H. Esch (Author/Creator) - University of Guelph
A. Eskelinen (Author/Creator) - University of Oulu
V. Fernández (Author/Creator) - Universidad Politécnica de Madrid
S. Güsewell (Author/Creator) - ETH Zurich
B. Gutierrez‐Larruga (Author/Creator)
K. Hofmockel (Author/Creator) - Iowa State University
R. Laungani (Author/Creator) - Doane University
E. Lind (Author/Creator) - University of Minnesota
A. López (Author/Creator) - University of New Mexico
R.L. McCulley (Author/Creator) - University of Kentucky
J.L. Moore (Author/Creator) - Monash University
P.L. Peri (Author/Creator) - National University of Austral Patagonia
S.A. Power (Author/Creator) - Western Sydney University
J.N. Price (Author/Creator) - Charles Sturt University
S.M. Prober (Author/Creator) - CSIRO Land and Water
C. Roscher (Author/Creator) - University of Oulu
J.M. Sarneel (Author/Creator) - Umeå University
M. Schutz (Author/Creator) - Swiss Federal Institute for Forest, Snow and Landscape Research
J. Siebert (Author/Creator) - Leipzig University
R.J. Standish (Author/Creator) - Murdoch University
S. Velasco Ayuso (Author/Creator)
R. Virtanen (Author/Creator) - University of Oulu
G.M. Wardle (Author/Creator) - The University of Sydney
G. Wiehl (Author/Creator) - CSIRO Land and Water
L. Yahdjian (Author/Creator) - Agricultural Plant Physiology and Ecology Research Institute
T. Zamin (Author/Creator) - Monash University
Publication Details: Global Change Biology, Vol.26(8), pp.4572-4582
Publisher: Wiley
Identifiers: 991005540848007891
Copyright: © 2020 John Wiley & Sons Ltd
Murdoch Affiliation: School of Environmental and Conservation Sciences
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 3 Agriculture, Environment & Ecology; 3.45 Soil Science; 3.45.112 Soil Carbon Dynamics
Web Of Science research areas: Biodiversity Conservation; Ecology; Environmental Sciences
ESI research areas: Environment/Ecology