Wetland soils are a significant source of nitrous oxide (N₂O), a potent greenhouse gas. This study investigated the microbial communities and processes underlying N₂O emissions from wetland soils globally. Analysis of 645 wetland soil samples revealed that N₂O emissions are higher in drained and warmer soils and correlate with microbial functional diversity. Despite their lower abundance, nitrifying archaea were identified as a key factor explaining N₂O emissions. The findings suggest that global warming may increase archaeal nitrifiers, leading to higher N₂O emissions from wetlands.
Publisher
NATURE COMMUNICATIONS
Published On
Mar 17, 2022
Authors
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, Ülo Mander
Tags
nitrous oxide
wetland soils
microbial communities
global warming
nitrifying archaea
greenhouse gas
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