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https://hdl.handle.net/10316/106706
Título: | Compared to conventional, ecological intensive management promotes beneficial proteolytic soil microbial communities for agro-ecosystem functioning under climate change-induced rain regimes | Autor: | Lori, Martina Piton, Gabin Symanczik, Sarah Legay, Nicolas Brussaard, Lijbert Jaenicke, Sebastian Nascimento, Eduardo Reis, Filipa Sousa, José Paulo Mäder, Paul Gattinger, Andreas Clément, Jean-Christophe Foulquier, Arnaud |
Data: | 29-Abr-2020 | Editora: | Springer Nature | Projeto: | This work was funded by the ECO-SERVE project through the 2013–2014 BiodivERsA/FACCE‐JPI joint call for research proposals, with the national funders ANR, NWO, FCT (BiodivERsA/001/2014), MINECO, FORMAS and SNF. Eduardo Nascimento was supported by CNPq – Brazil (CNPq Fellowship Holder – Brazil). The authors would like to thank to Filipe Carvalho for helping in the maintenance of the mesocosm experiment. Thanks to Cindy Arnoldi for help with chemical and enzymatic analyses. We are greatly indebted to the owners of the different farms from where the TMEs were collected. Thank goes to the Genome Quebec Innovation Center (Montreal, Canada) for excellent support and execution of Illumina sequencing. The DOK trial from which the Swiss TMEs were extracted is funded by the Swiss Federal Office of Agriculture. The bioinformatics support of the BMBF-funded project Bielefeld-Gießen Center for Microbial Bioinformatics—BiGi (grant 031A533) within the German Network for Bioinformatics Infrastructure (de.NBI) is gratefully acknowledged. | Título da revista, periódico, livro ou evento: | Scientific Reports | Volume: | 10 | Número: | 1 | Resumo: | Projected climate change and rainfall variability will affect soil microbial communities, biogeochemical cycling and agriculture. Nitrogen (N) is the most limiting nutrient in agroecosystems and its cycling and availability is highly dependent on microbial driven processes. In agroecosystems, hydrolysis of organic nitrogen (N) is an important step in controlling soil N availability. We analyzed the effect of management (ecological intensive vs. conventional intensive) on N-cycling processes and involved microbial communities under climate change-induced rain regimes. Terrestrial model ecosystems originating from agroecosystems across Europe were subjected to four different rain regimes for 263 days. Using structural equation modelling we identified direct impacts of rain regimes on N-cycling processes, whereas N-related microbial communities were more resistant. In addition to rain regimes, management indirectly affected N-cycling processes via modifications of N-related microbial community composition. Ecological intensive management promoted a beneficial N-related microbial community composition involved in N-cycling processes under climate change-induced rain regimes. Exploratory analyses identified phosphorus-associated litter properties as possible drivers for the observed management effects on N-related microbial community composition. This work provides novel insights into mechanisms controlling agro-ecosystem functioning under climate change. | URI: | https://hdl.handle.net/10316/106706 | ISSN: | 2045-2322 | DOI: | 10.1038/s41598-020-64279-8 | Direitos: | openAccess |
Aparece nas coleções: | I&D CFE - Artigos em Revistas Internacionais |
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