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@ARTICLE{Giraud:891830,
      author       = {Giraud, Mona and Groh, Jannis and Gerke, Horst H. and
                      Brüggemann, Nicolas and Vereecken, Harry and Pütz, Thomas},
      title        = {{S}oil {N}itrogen {D}ynamics in a {M}anaged {T}emperate
                      {G}rassland {U}nder {C}hanged {C}limatic {C}onditions},
      journal      = {Water},
      volume       = {13},
      number       = {7},
      issn         = {2073-4441},
      address      = {Basel},
      publisher    = {MDPI},
      reportid     = {FZJ-2021-01753},
      pages        = {931 -},
      year         = {2021},
      abstract     = {Grasslands are one of the most common biomes in the world
                      with a wide range of ecosystem services. Nevertheless,
                      quantitative data on the change in nitrogen dynamics in
                      extensively managed temperate grasslands caused by a shift
                      from energy- to water-limited climatic conditions have not
                      yet been reported. In this study, we experimentally studied
                      this shift by translocating undisturbed soil monoliths from
                      an energy-limited site (Rollesbroich) to a water-limited
                      site (Selhausen). The soil monoliths were contained in
                      weighable lysimeters and monitored for their water and
                      nitrogen balance in the period between 2012 and 2018. At the
                      water-limited site (Selhausen), annual plant nitrogen uptake
                      decreased due to water stress compared to the energy-limited
                      site (Rollesbroich), while nitrogen uptake was higher at the
                      beginning of the growing period. Possibly because of this
                      lower plant uptake, the lysimeters at the water-limited site
                      showed an increased inorganic nitrogen concentration in the
                      soil solution, indicating a higher net mineralization rate.
                      The N2O gas emissions and nitrogen leaching remained low at
                      both sites. Our findings suggest that in the short term,
                      fertilizer should consequently be applied early in the
                      growing period to increase nitrogen uptake and decrease
                      nitrogen losses. Moreover, a shift from energy-limited to
                      water-limited conditions will have a limited effect on
                      gaseous nitrogen emissions and nitrate concentrations in the
                      groundwater in the grassland type of this study because
                      higher nitrogen concentrations are (over-) compensated by
                      lower leaching rates},
      cin          = {IBG-3},
      ddc          = {690},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {217 - Für eine nachhaltige Bio-Ökonomie – von
                      Ressourcen zu Produkten (POF4-217) / 2173 -
                      Agro-biogeosystems: controls, feedbacks and impact
                      (POF4-217)},
      pid          = {G:(DE-HGF)POF4-217 / G:(DE-HGF)POF4-2173},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000638940300001},
      doi          = {10.3390/w13070931},
      url          = {https://juser.fz-juelich.de/record/891830},
}