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@ARTICLE{Siebert:867682,
      author       = {Siebert, Julia and Eisenhauer, Nico and Poll, Christian and
                      Marhan, Sven and Bonkowski, Michael and Hines, Jes and
                      Koller, Robert and Ruess, Liliane and Thakur, Madhav P.},
      title        = {{E}arthworms modulate the effects of climate warming on the
                      taxon richness of soil meso- and macrofauna in an
                      agricultural system},
      journal      = {Agriculture, ecosystems $\&$ environment},
      volume       = {278},
      issn         = {0167-8809},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2019-06298},
      pages        = {72 - 80},
      year         = {2019},
      abstract     = {Anthropogenic climate change is altering the functioning of
                      terrestrial ecosystems. Agricultural systems are
                      particularly vulnerable to climate change as they are
                      frequently disturbed by intensified management practices.
                      This also threatens belowground organisms that are
                      responsible for providing crucial ecosystem functions and
                      services, such as nutrient cycling and plant disease
                      suppression. Amongst these organisms, earthworms are of
                      particular importance as they can modulate the effects of
                      climate change on soil organisms by modifying the biotic and
                      abiotic soil conditions. However, they are also known to
                      decline under intensified management, justifying their use
                      as key biotic indicators of intensified agriculture. Yet,
                      our knowledge of the responses of belowground species to the
                      interacting effects of warming and land-use intensification
                      (simulated by earthworm reduction in the experimental setup)
                      remains limited. Here, we tested the interactive effects of
                      soil warming and reduced earthworm densities on soil
                      protists, nematodes, meso- and macrofauna, and their
                      diversity in a common barley system in the Hohenheim Climate
                      Change Experiment. We found that belowground species
                      richness was lowest at elevated temperature and reduced
                      earthworm densities, indicating that earthworms can buffer
                      warming effects on belowground biodiversity. Furthermore,
                      warming increased the densities of plant-feeding nematodes,
                      and herbivorous macrofauna benefitted from reduced earthworm
                      densities. Our results indicate that warming and reduced
                      earthworm densities may simultaneously modify the
                      functioning and service provisioning of soils via shifts in
                      diversity and density of soil biota that would likely lead
                      to simplified belowground food webs. These findings thus
                      highlight the importance of maintaining greater densities of
                      ecosystem engineers like earthworms that may help buffering
                      the detrimental effects of climate warming in agricultural
                      systems.},
      cin          = {IBG-2},
      ddc          = {640},
      cid          = {I:(DE-Juel1)IBG-2-20101118},
      pnm          = {582 - Plant Science (POF3-582)},
      pid          = {G:(DE-HGF)POF3-582},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000482173500009},
      doi          = {10.1016/j.agee.2019.03.004},
      url          = {https://juser.fz-juelich.de/record/867682},
}