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@ARTICLE{Harris:890526,
      author       = {Harris, E. and Diaz-Pines, E. and Stoll, E. and Schloter,
                      M. and Schulz, S. and Duffner, C. and Li, Zikang and Moore,
                      K. L. and Ingrisch, J. and Reinthaler, D. and
                      Zechmeister-Boltenstern, S. and Glatzel, S. and Brüggemann,
                      N. and Bahn, M.},
      title        = {{D}enitrifying pathways dominate nitrous oxide emissions
                      from managed grassland during drought and rewetting},
      journal      = {Science advances},
      volume       = {7},
      number       = {6},
      issn         = {2375-2548},
      address      = {Washington, DC [u.a.]},
      publisher    = {Assoc.},
      reportid     = {FZJ-2021-01013},
      pages        = {eabb7118},
      year         = {2021},
      abstract     = {Nitrous oxide is a powerful greenhouse gas whose
                      atmospheric growth rate has accelerated over the past
                      decade. Most anthropogenic N2O emissions result from soil N
                      fertilization, which is converted to N2O via oxic
                      nitrification and anoxic denitrification pathways.
                      Drought-affected soils are expected to be well oxygenated;
                      however, using high-resolution isotopic measurements, we
                      found that denitrifying pathways dominated N2O emissions
                      during a severe drought applied to managed grassland. This
                      was due to a reversible, drought-induced enrichment in
                      nitrogen-bearing organic matter on soil microaggregates and
                      suggested a strong role for chemo- or codenitrification.
                      Throughout rewetting, denitrification dominated emissions,
                      despite high variability in fluxes. Total N2O flux and
                      denitrification contribution were significantly higher
                      during rewetting than for control plots at the same soil
                      moisture range. The observed feedbacks between precipitation
                      changes induced by climate change and N2O emission pathways
                      are sufficient to account for the accelerating N2O growth
                      rate observed over the past decade.},
      cin          = {IBG-3},
      ddc          = {500},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {217 - Für eine nachhaltige Bio-Ökonomie – von
                      Ressourcen zu Produkten (POF4-217) / 2173 -
                      Agro-biogeosystems: controls, feedbacks and impact
                      (POF4-217)},
      pid          = {G:(DE-HGF)POF4-217 / G:(DE-HGF)POF4-2173},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {33547069},
      UT           = {WOS:000615369000004},
      doi          = {10.1126/sciadv.abb7118},
      url          = {https://juser.fz-juelich.de/record/890526},
}