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dc.contributor.author
Frey, Beat
dc.contributor.author
Moser, Barbara
dc.contributor.author
Tytgat, Bjorn
dc.contributor.author
Zimmermann, Stephan
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Alberti, Juan
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dc.contributor.author
Biederman, Lori A.
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Borer, Elizabeth
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dc.contributor.author
Broadbent, Arthur A. D.
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Caldeira, Maria C.
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dc.contributor.author
Davies, Kendi F.
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Eisenhauer, Nico
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dc.contributor.author
Eskelinen, Anu
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dc.contributor.author
Fay, Philip A.
dc.contributor.author
Hagedorn, Frank
dc.contributor.author
Hautier, Yann
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MacDougall, Andrew S.
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McCulley, Rebecca L.
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Moore, Joslin L
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Nepel, Maximilian
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Power, Sally A.
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Seabloom, Eric W.
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Vázquez, Eduardo
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Virtanen, Risto
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Yahdjian, María Laura
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dc.contributor.author
Risch, Anita
dc.date.available
2024-02-15T15:47:02Z
dc.date.issued
2023-01
dc.identifier.citation
Frey, Beat; Moser, Barbara; Tytgat, Bjorn; Zimmermann, Stephan; Alberti, Juan; et al.; Long-term N-addition alters the community structure of functionally important N-cycling soil microorganisms across global grasslands; Pergamon-Elsevier Science Ltd; Soil Biology And Biochemistry; 176; 1-2023; 1-11
dc.identifier.issn
0038-0717
dc.identifier.uri
http://hdl.handle.net/11336/227107
dc.description.abstract
Anthropogenic nitrogen (N) input is known to alter the soil microbiome, but how N enrichment influences the abundance, alpha-diversity and community structure of N-cycling functional microbial communities in grasslands remains poorly understood. Here, we collected soils from plant communities subjected to up to 9 years of annual N-addition (10 g N m−2 per year using urea as a N-source) and from unfertilized plots (control) in 30 grasslands worldwide spanning a large range of climatic and soil conditions. We focused on three key microbial groups responsible for two essential processes of the global N cycle: N2 fixation (soil diazotrophs) and nitrification (AOA: ammonia-oxidizing archaea and AOB: ammonia-oxidizing bacteria). We targeted soil diazotrophs, AOA and AOB using Illumina MiSeq sequencing and measured the abundance (gene copy numbers) using quantitative PCR. N-addition shifted the structure of the diazotrophic communities, although their alpha-diversity and abundance were not affected. AOA and AOB responded differently to N-addition. The abundance and alpha-diversity of AOB increased, and their community structure shifted with N-addition. In contrast, AOA were not affected by N-addition. AOA abundance outnumbered AOB in control plots under conditions of low N availability, whereas N-addition favoured copiotrophic AOB. Overall, N-addition showed a low impact on soil diazotrophs and AOA while effects for AOB communities were considerable. These results reveal that long-term N-addition has important ecological implications for key microbial groups involved in two critical soil N-cycling processes. Increased AOB abundance and community shifts following N-addition may change soil N-cycling, as larger population sizes may promote higher rates of ammonia oxidation and subsequently increase N loss via gaseous and soil N-leaching. These findings bring us a step closer to predicting the responses and feedbacks of microbial-mediated N-cycling processes to long-term anthropogenic N-addition in grasslands.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
AMMONIA OXIDIZER
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BIOGEOGRAPHY
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DIAZOTROPH
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GRASSLAND
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N-CYCLING MICROBIAL COMMUNITY
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N-FERTILIZATION
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N2-FIXING BACTERIA
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NIFH
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NUTRIENT NETWORK (NUTNET)
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UREA
dc.subject.classification
Ecología
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Long-term N-addition alters the community structure of functionally important N-cycling soil microorganisms across global grasslands
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2024-02-06T15:13:02Z
dc.journal.volume
176
dc.journal.pagination
1-11
dc.journal.pais
Estados Unidos
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dc.description.fil
Fil: Frey, Beat. Swiss Federal Institute for Forest, Snow and Landscape Research; Suiza
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Fil: Moser, Barbara. Swiss Federal Institute for Forest, Snow and Landscape Research; Suiza
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Fil: Tytgat, Bjorn. University of Ghent; Bélgica
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Fil: Zimmermann, Stephan. Swiss Federal Institute for Forest, Snow and Landscape Research; Suiza
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Fil: Alberti, Juan. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mar del Plata. Instituto de Investigaciones Marinas y Costeras. Universidad Nacional de Mar del Plata. Facultad de Ciencias Exactas y Naturales. Instituto de Investigaciones Marinas y Costeras; Argentina
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Fil: Biederman, Lori A.. University of Iowa; Estados Unidos
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Fil: Borer, Elizabeth. University of Minnesota; Estados Unidos
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Fil: Broadbent, Arthur A. D.. University of Manchester; Reino Unido
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Fil: Caldeira, Maria C.. Universidade Nova de Lisboa; Portugal
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Fil: Davies, Kendi F.. State University of Colorado at Boulder; Estados Unidos
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Fil: Eisenhauer, Nico. Universitat Leipzig; Alemania
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Fil: Eskelinen, Anu. German Centre of Integrative Biodiversity Research; Alemania. University of Oulu; Finlandia
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Fil: Fay, Philip A.. National Animal Disease Center ; Agriculture Research Service ; United States Department Of Agriculture;
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Fil: Hagedorn, Frank. Swiss Federal Institute for Forest, Snow and Landscape Research; Suiza
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Fil: Hautier, Yann. Utrecht University; Países Bajos
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Fil: MacDougall, Andrew S.. University of Guelph; Canadá
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Fil: McCulley, Rebecca L.. University of Kentucky; Estados Unidos
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Fil: Moore, Joslin L. Monash University; Australia
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Fil: Nepel, Maximilian. Vienna University of Technology; Austria
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Fil: Power, Sally A.. University of Western Sydney; Australia
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Fil: Seabloom, Eric W.. University of Minnesota; Estados Unidos
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Fil: Vázquez, Eduardo. University of Bayreuth; Alemania
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Fil: Virtanen, Risto. University Of Oulu (oy);
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Fil: Yahdjian, María Laura. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura; Argentina
dc.description.fil
Fil: Risch, Anita. Swiss Federal Institute for Forest, Snow and Landscape Research; Suiza
dc.journal.title
Soil Biology And Biochemistry
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1016/j.soilbio.2022.108887
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0038071722003443
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