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@ARTICLE{Wei:907341,
      author       = {Wei, Jing and Zhang, Xinying and Xia, Longlong and Yuan,
                      Wenping and Zhou, Zhanyan and Brüggemann, Nicolas},
      title        = {{R}ole of chemical reactions in the nitrogenous trace gas
                      emissions and nitrogen retention: {A} meta-analysis},
      journal      = {The science of the total environment},
      volume       = {808},
      issn         = {0048-9697},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2022-01976},
      pages        = {152141 -},
      year         = {2022},
      abstract     = {Increasing evidence has been found that chemical reactions
                      affect significantly the terrestrial nitrogen (N) cycle,
                      which was previously assumed to be mainly dominated by
                      biological processes. Due to the limitation of knowledge and
                      analytical techniques, it is currently challenging to
                      discern the contribution of biotic and abiotic processes to
                      the terrestrial N cycle for geobiologists and biogeochemists
                      alike. To better understand the role of abiotic reactions in
                      the terrestrial N cycle, it is necessary to comprehend the
                      chemical controls on nitrogenous trace gas emissions and N
                      retention in soil under various environmental conditions. In
                      this manuscript, we assess the role of abiotic reactions in
                      nitrous oxide (N2O) and nitric oxide (NO) emissions as well
                      as N retention through a meta-analysis using all related
                      peer-reviewed publications before August 2020. Results show
                      that abiotic reactions contributed $29.3–37.7\%$ and
                      $44.0–57.0\%$ to the total N2O emission and N retention,
                      representing 3.7–4.7 and 4.0–6.0 Tg year−1 of
                      global terrestrial N2O emission and N retention,
                      respectively. Much higher NO production was observed in
                      sterilized soils than that in unsterilized treatments
                      indicating the major contribution of chemical reactions to
                      NO emission and rapid microbial reduction of NO to N2O and
                      N2. Chemical hydroxylamine oxidation accounts for the
                      largest abiotic contribution to N2O emission, while chemical
                      nitrite reduction and fixation represent for the largest
                      contribution to abiotic NO production and soil N retention,
                      respectively. Factors influencing the abiotic processes
                      include pH, total organic carbon (TOC), total nitrogen (TN),
                      the ratio of carbon to nitrogen (C/N), and transition
                      metals. These results broadened our knowledge about the
                      mechanisms involved in chemical N reactions and provided a
                      simplified estimation about their contribution to
                      nitrogenous trace gas emission and N retention, which is
                      meaningful to further study interactions of biologically and
                      chemically mediated reactions in biogeochemical N cycle.},
      cin          = {IBG-3},
      ddc          = {610},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {2173 - Agro-biogeosystems: controls, feedbacks and impact
                      (POF4-217)},
      pid          = {G:(DE-HGF)POF4-2173},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:34871694},
      UT           = {WOS:000740193300016},
      doi          = {10.1016/j.scitotenv.2021.152141},
      url          = {https://juser.fz-juelich.de/record/907341},
}