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@ARTICLE{Hu:837561,
      author       = {Hu, Bin and Zhou, Minghua and Bilela, Silvija and Simon,
                      Judy and Dannenmann, Michael and Liu, Xiping and Alfarraj,
                      Saleh and Hou, Lin and Chen, Hui and Zhang, Shuoxin and
                      Butterbach-Bahl, Klaus and Rennenberg, Heinz},
      title        = {{N}itrogen nutrition of native and introduced forest tree
                      species in {N}-limited ecosystems of the {Q}inling
                      {M}ountains, {C}hina},
      journal      = {Trees},
      volume       = {31},
      number       = {4},
      issn         = {1432-2285},
      address      = {Berlin},
      publisher    = {Springer},
      reportid     = {FZJ-2017-06449},
      pages        = {1189 - 1202},
      year         = {2017},
      abstract     = {Nitrogen availability and uptake capacity are key factors
                      influencing forest growth and development in N-limited
                      terrestrial ecosystems. With the aim to determine how
                      species and forest management affect tree N nutrition, we
                      conducted root N uptake experiments as well as soil N
                      analyses at three forest stands with different native and
                      introduced tree species (i.e. Larix principis-rupprechtii
                      Mayr., Quercus aliena var. acutiserrata Maxim. ex Wenz. and
                      Picea wilsonii Mast.) and two management approaches (i.e.
                      monoculture versus mixed stand) in the Qinling Mountains of
                      China. Across the native and introduced species studied, in
                      general, investigated trees take up both, organic and
                      inorganic N compounds, but prefer organic N (Gln- and Arg-)
                      over inorganic NH4+–N. The introduced conifer species (L.
                      principis-ruprechtii) showed higher root N acquisition
                      capacities compared to a native conifer species (P.
                      wilsonii) under N-limited conditions. Moreover, the mixed
                      forest stand with L. principis-ruprechtii and Q. alinea var.
                      acutesserata accumulated more nitrogen in soil pools and
                      showed improved C and N retention capability through the
                      whole soil profile as compared to the monocultures of P.
                      wilsonii or L. principis-ruprechtii. Similar acquisition
                      strategies were observed for specific N sources (i.e.
                      organic versus inorganic) across all investigated tree
                      species. Still the introduced species Larix exhibited a
                      superior root N acquisition capacity and, therefore, may be
                      a good candidate for afforestation programs in the studied
                      region. The present results underpin the significance of
                      forest management practices that achieve a mixed species
                      structure with broadleaved tree species such as Quercus for
                      restoration of soil C and N pools in order to stabilize
                      forest ecosystems and to achieve sustainable forest
                      development.},
      cin          = {IBG-3},
      ddc          = {580},
      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:000405685800007},
      doi          = {10.1007/s00468-017-1537-3},
      url          = {https://juser.fz-juelich.de/record/837561},
}