Structure and function of the soil microbiome underlying N2O emissions from global wetlands
Mohammad Bahram (),
Mikk Espenberg,
Jaan Pärn,
Laura Lehtovirta-Morley,
Sten Anslan,
Kuno Kasak,
Urmas Kõljalg,
Jaan Liira,
Martin Maddison,
Mari Moora,
Ülo Niinemets,
Maarja Öpik,
Meelis Pärtel,
Kaido Soosaar,
Martin Zobel,
Falk Hildebrand,
Leho Tedersoo and
Ülo Mander
Additional contact information
Mohammad Bahram: University of Tartu
Mikk Espenberg: University of Tartu
Jaan Pärn: University of Tartu
Laura Lehtovirta-Morley: University of East Anglia
Sten Anslan: University of Tartu
Kuno Kasak: University of Tartu
Urmas Kõljalg: University of Tartu
Jaan Liira: University of Tartu
Martin Maddison: University of Tartu
Mari Moora: University of Tartu
Ülo Niinemets: Estonian University of Life Sciences
Maarja Öpik: University of Tartu
Meelis Pärtel: University of Tartu
Kaido Soosaar: University of Tartu
Martin Zobel: University of Tartu
Falk Hildebrand: Quadram Institute Bioscience
Leho Tedersoo: King Saud University
Ülo Mander: University of Tartu
Nature Communications, 2022, vol. 13, issue 1, 1-10
Abstract:
Abstract Wetland soils are the greatest source of nitrous oxide (N2O), a critical greenhouse gas and ozone depleter released by microbes. Yet, microbial players and processes underlying the N2O emissions from wetland soils are poorly understood. Using in situ N2O measurements and by determining the structure and potential functional of microbial communities in 645 wetland soil samples globally, we examined the potential role of archaea, bacteria, and fungi in nitrogen (N) cycling and N2O emissions. We show that N2O emissions are higher in drained and warm wetland soils, and are correlated with functional diversity of microbes. We further provide evidence that despite their much lower abundance compared to bacteria, nitrifying archaeal abundance is a key factor explaining N2O emissions from wetland soils globally. Our data suggest that ongoing global warming and intensifying environmental change may boost archaeal nitrifiers, collectively transforming wetland soils to a greater source of N2O.
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:13:y:2022:i:1:d:10.1038_s41467-022-29161-3
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DOI: 10.1038/s41467-022-29161-3
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