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@ARTICLE{Liebich:55830,
      author       = {Liebich, J. and Schloter, M. and Schäffer, A. and
                      Vereecken, H. and Burauel, P.},
      title        = {{D}egradation and humification of maize straw in soil
                      microcosms inoculated with simple and complex microbial
                      communities},
      journal      = {European journal of soil science},
      volume       = {58},
      issn         = {1351-0754},
      address      = {Oxford [u.a.]},
      publisher    = {Wiley-Blackwell},
      reportid     = {PreJuSER-55830},
      pages        = {141 - 151},
      year         = {2007},
      note         = {Record converted from VDB: 12.11.2012},
      abstract     = {Microbial communities are responsible for soil organic
                      matter cycling and thus for maintaining soil fertility. A
                      typical Orthic Luvisol was freed from organic carbon by
                      thermal destruction at 600°C. Then the degradation and
                      humification of 14C-labelled maize straw by defined
                      microbial communities was analysed. To study the role of
                      microbial diversity on the humification of plant material,
                      microcosms containing sterilized soil were inoculated with a
                      natural microbial community or with microbial consortia
                      consisting of bacterial and fungal soil isolates. Within 6
                      weeks, 41 ± $4\%$ of applied 14C-labelled maize straw was
                      mineralized in the soil microcosms containing complex
                      communities derived from a soil suspension, whilst the most
                      efficient communities composed of soil isolates mineralized
                      less than $35\%.$ The humification products were analysed by
                      solution state 13C-NMR-spectroscopy and gel permeation
                      chromatography (GPC). The analyses of humic acids extracts
                      by solution state 13C-NMR-spectroscopy revealed no
                      difference in the development of typical chemical functional
                      groups for humic substances during incubation. However, the
                      increase in specific molecular size fractions of the
                      extracted humic acids occurred only after inoculation with
                      complex communities, but not with defined isolates. While it
                      seems to be true that redundancy in soil microbial
                      communities contributes to the resilience of soils, specific
                      soil functions may no longer be performed if a microbial
                      community is harshly affected in its diversity or growth
                      conditions.},
      cin          = {ICG-4 / JARA-ENERGY / JARA-SIM},
      ddc          = {630},
      cid          = {I:(DE-Juel1)VDB793 / $I:(DE-82)080011_20140620$ /
                      I:(DE-Juel1)VDB1045},
      pnm          = {Terrestrische Umwelt},
      pid          = {G:(DE-Juel1)FUEK407},
      shelfmark    = {Soil Science},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000243940900016},
      doi          = {10.1111/j.1365-2389.2006.00816.x},
      url          = {https://juser.fz-juelich.de/record/55830},
}