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Clear All- ANR| MICROSERVICES ,SNSF| MICROSERVICES: Predicting climate change impacts on the crop microbiome and cascading effects on ecosystem services delivery in agroecosystemsAri Fina Bintarti;
Elena Kost; Dominika Kundel;Elena Kost
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesElena Kost in OpenAIRE
Rafaela Feola Conz; +5 AuthorsRafaela Feola Conz
Harvested from ORCID Public Data FileRafaela Feola Conz in OpenAIREAri Fina Bintarti; Elena Kost; Dominika Kundel;Elena Kost
Derived by OpenAIRE algorithms or harvested from 3rd party repositoriesElena Kost in OpenAIRE Rafaela Feola Conz; Paul Mäder; Hans-Martin Krause; Jochen Mayer;Rafaela Feola Conz
Harvested from ORCID Public Data FileRafaela Feola Conz in OpenAIRE Laurent Philippot; Martin Hartmann;Laurent Philippot
Harvested from ORCID Public Data FileLaurent Philippot in OpenAIREThe severity of drought is predicted to increase across Europe due to climate change. Droughts can substantially impact terrestrial nitrogen (N) cycling and the corresponding microbial communities. Here, we investigated how ammonia-oxidizing bacteria (AOB), archaea (AOA), and complete ammonia oxidizers (comammox) as well as inorganic N pools and N2O fluxes respond to simulated drought under different cropping systems. A rain-out shelter experiment was conducted as part of a long-term field experiment comparing cropping systems that differed mainly in fertilization strategy (organic, mineral, or mixed mineral and organic) and plant protection management (biodynamic versus conventional pesticide use). We found that the effect of drought varied depending on the specific ammonia-oxidizing (AO) groups and the type of cropping system. Drought had the greatest impact on the structure of the AOA community compared to the other AO groups. The abundance of ammonia oxidizers was also affected by drought, with comammox clade B exhibiting the highest sensitivity. Additionally, drought had, overall, a stronger impact on the AO community structure in the biodynamic cropping system than in the mixed and mineral-fertilized conventional systems. The responses of ammonia-oxidizing communities to drought were comparable between bulk soil and rhizosphere. We observed a significant increase in NH4+ and NO3− pools during the drought period, which then decreased after rewetting, indicating a strong resilience. We further found that drought altered the complex relationships between AO communities and mineral N pools, as well as N2O fluxes. These results highlight the importance of agricultural management practices in influencing the response of nitrogen cycling guilds and their processes to drought. Soil Biology and Biochemistry, 201 ISSN:0038-0717 ISSN:1879-3428
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