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@ARTICLE{Siebers:864948,
      author       = {Siebers, Nina and Kruse, Jens},
      title        = {{S}hort-term impacts of forest clear-cut on soil structure
                      and consequences for organic matter composition and nutrient
                      speciation: {A} case study},
      journal      = {PLOS ONE},
      volume       = {14},
      number       = {8},
      issn         = {1932-6203},
      address      = {San Francisco, California, US},
      publisher    = {PLOS},
      reportid     = {FZJ-2019-04540},
      pages        = {e0220476 -},
      year         = {2019},
      abstract     = {Clear-cuts of forests severely affect soil structure and
                      thus soil organic matter (SOM) and nutrient cycling dynamics
                      therein, though with yet unknown consequences for SOM
                      composition as well as phosphorus (P) and sulfur (S)
                      chemical form within the soil microaggregate size fraction.
                      To determine the effects of conventional clear-cutting on
                      soil chemistry in a Cambisol of the Wüstebach Forest
                      (northwestern Germany), we sampled the mineral A- and
                      B-horizons prior to clear-cut as well as 10 and 24 month
                      thereafter. We measured the SOM composition of soil
                      microaggregates using pyrolysis field ionization mass
                      spectrometry (Py-FIMS), as well as P and S chemical form and
                      speciation using wet-chemical extractions and X-ray
                      absorption near edge structure (XANES) spectroscopy. We
                      found that clear-cut led to an increase of the
                      microaggregate size fraction up to $6\%$ due to break-down
                      of macroaggregates and initially significantly increased
                      total elemental concentrations (C, N, P, S) due to the
                      introduction of slash-residues. The SOM of slash-residues
                      consisted to a substantial amount of sterols and was
                      generally found to be of low thermal stability and probably
                      did not contribute to aggregate stability. Deterioration of
                      the aggregate structure probably led to an exposure of
                      originally inaccessible sites within aggregates to the
                      attack by soil microorganisms and thus to an increased P and
                      S turnover as reflected in a significantly reduction of
                      available P proportions (4 to $7\%)$ and a reduction of the
                      most reduced S forms $(5\%).$ A probable increased microbial
                      activity and contribution to SOM after clear-cut is also
                      reflected in the significantly increasing hexose:pentose
                      ratio by 0.25 between 10 and 24 month after clear-cut,
                      significantly increasing the general thermal stability of
                      SOM in the microaggregate size fraction and believed to
                      contribute to aggregate stability. This indicated that a
                      first deterioration of the aggregate structure after
                      clear-cut might in the long-term be remediated with time.},
      cin          = {IBG-3},
      ddc          = {610},
      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},
      pubmed       = {pmid:31369652},
      UT           = {WOS:000484987900055},
      doi          = {10.1371/journal.pone.0220476},
      url          = {https://juser.fz-juelich.de/record/864948},
}