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@ARTICLE{Reichel:837449,
      author       = {Reichel, Rüdiger and Hänsch, Mathias and Brüggemann,
                      Nicolas},
      title        = {{I}ndication of rapid soil food web recovery by
                      nematode-derived indices in restored agricultural soil after
                      open-cast lignite mining},
      journal      = {Soil biology $\&$ biochemistry},
      volume       = {115},
      issn         = {0038-0717},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier Science},
      reportid     = {FZJ-2017-06362},
      pages        = {261 - 264},
      year         = {2017},
      abstract     = {Open-cast lignite mining consumes arable land, which has to
                      be restored and recultivated afterwards. This process
                      strongly dilutes the organic carbon and nitrogen pool as
                      well as soil biological parameters of the former soil due to
                      mixing with the underlying subsoil and parent material
                      before redeposition. Cultivation of alfalfa is commonly used
                      to restore agricultural land and to refill diluted C and N
                      pools and re-establish biologic functions. Based on
                      nematode-derived indices, we here evaluate the development
                      of the food web during the early recovery period with
                      N-fixing alfalfa on post-mining soil substrates in the
                      lignite mining district west of Cologne (Germany).
                      Nematode-derived indices revealed a fast recovery of the
                      soil food web during this initial alfalfa cultivation. We
                      found evidence that the applied recultivation procedure
                      lowers the stress and disturbance level in the
                      soil-microbial food web and improves the trophic complexity.
                      The fast maturing of the food web was indicated by
                      Thornenematidae nematodes, which indicated a highly
                      structured and stable food web already after three years of
                      alfalfa cultivation. A declining δ15N signal of the soil
                      indicated a strong impact of N-fixation by alfalfa.
                      Microbial and mineral N content increased during the alfalfa
                      cultivation period. We concluded that the rapid recovery of
                      the soil food web might not be paralleled by an equal
                      increase of its capacity to retain N in the soil food web.
                      This might have implications for nitrate leaching, nitrous
                      oxide emission, and a later agricultural recultivation with
                      common field crops.},
      cin          = {IBG-3},
      ddc          = {570},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {255 - Terrestrial Systems: From Observation to Prediction
                      (POF3-255)},
      pid          = {G:(DE-HGF)POF3-255},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000414880000029},
      doi          = {10.1016/j.soilbio.2017.08.020},
      url          = {https://juser.fz-juelich.de/record/837449},
}