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@ARTICLE{Mlih:889336,
      author       = {Mlih, Rawan and GOCKE, Martina I. and BOL, Roland and
                      BERNS, Anne E. and FUHRMANN, Irabella and BRAHIM, Nadhem},
      title        = {{S}oil {O}rganic {M}atter {C}omposition in {C}oastal and
                      {C}ontinental {D}ate {P}alm {S}ystems: {I}nsights from
                      {T}unisian {O}ases},
      journal      = {Pedosphere},
      volume       = {29},
      number       = {4},
      issn         = {1002-0160},
      address      = {Amsterdam [u.a.]},
      publisher    = {Elsevier},
      reportid     = {FZJ-2021-00227},
      pages        = {444 - 456},
      year         = {2019},
      abstract     = {In Tunisia, the coastal oasis of Chenini is characterized
                      by a lush vegetation cover, while more inland continental
                      oases (e.g. Guettaya oasis) have a very scarce vegetation
                      cover. For sustaining date production, organic fertilizer is
                      applied, either spread on the soil surface (in Chenini) or
                      buried under a sand layer (in Guettaya). We examined on a
                      molecular level how these management techniques affect soil
                      organic matter composition in oasis systems. 13C nuclear
                      magnetic resonance spectroscopy signals indicated for
                      Guettaya a dominance of fresh plant input, which was most
                      pronounced in the uppermost soil close to palms. Evidence of
                      more degraded organic matter was found in deeper soil near
                      the palms, as well as in soil more distant from palms. Amino
                      sugar analysis revealed lower contents in the uppermost
                      Guettaya soil near the palms. The overall microbial amino
                      sugar residue contents were similar in range as those found
                      in other dryland environments. With increased distance from
                      trees the amino sugar contents declined in Guettaya where
                      the palms grow on the bare soil but this was not the case
                      for Chenini with multi-layer vegetation cover under the date
                      palms. In agreement with previous dryland studies, the soil
                      microbial community in both oasis systems was dominated by
                      fungi in topsoil, but shifted towards bacteria-derived
                      residues in subsurface soil. This might be due to higher
                      variability of temperature and moisture in topsoil and/or
                      lower degradability of fungal remains, but here further
                      research is required.},
      cin          = {IBG-3},
      ddc          = {550},
      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:000476474500004},
      doi          = {10.1016/S1002-0160(19)60814-3},
      url          = {https://juser.fz-juelich.de/record/889336},
}