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@ARTICLE{Sohrt:873529,
      author       = {Sohrt, Jakob and Uhlig, David and Kaiser, Klaus and von
                      Blanckenburg, Friedhelm and Siemens, Jan and Seeger, Stefan
                      and Frick, Daniel A. and Krüger, Jaane and Lang, Friederike
                      and Weiler, Markus},
      title        = {{P}hosphorus {F}luxes in a {T}emperate {F}orested
                      {W}atershed: {C}anopy {L}eaching, {R}unoff {S}ources, and
                      {I}n-{S}tream {T}ransformation},
      journal      = {Frontiers in forests and global change},
      volume       = {2},
      issn         = {2624-893X},
      address      = {Lausanne},
      publisher    = {Frontiers Media},
      reportid     = {FZJ-2020-00797},
      pages        = {85},
      year         = {2019},
      abstract     = {Declining foliar phosphorus (P) levels call increasing
                      attention to the cycling of this element in temperate
                      forests. We explored the fluxes of P in a temperate mixed
                      deciduous forest ecosystem in six distinct hydrological
                      compartments: Bulk precipitation and throughfall, soil water
                      draining laterally from three different soil depths (0–15,
                      15–150, 150–320 cm below soil surface), groundwater,
                      creek and spring discharge, which were sampled at daily to
                      bi-weekly resolution from March 2015 to February 2016.
                      Atmospheric P fluxes into the ecosystem were equally
                      partitioned between wet and dry deposition. Approximately
                      $10\%$ of the foliar P stock was lost annually by foliar
                      leaching during late summer. The concentrations of dissolved
                      P in soil water from the forest floor and upper mineral
                      topsoil followed a pronounced seasonal cycle with higher
                      concentrations during the vegetation period. The
                      concentrations of P dissolved in soil water decreased with
                      increasing soil depth. Using an end member mixing analysis
                      (EMMA) we found that P sources feeding the spring water were
                      both soil water from greater depths or groundwater with
                      season specific contributions. Atmospheric P fluxes into the
                      ecosystem determined in this study and P-release from
                      weathering reported for the research site were large enough
                      to compensate P losses with runoff. This suggests that
                      declining foliar P levels of forests are unlikely the result
                      of a dwindling total P supply, but rather caused by tree
                      nutrition imbalances or alternative stressors.},
      cin          = {IBG-3},
      ddc          = {630},
      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:000504726300001},
      doi          = {10.3389/ffgc.2019.00085},
      url          = {https://juser.fz-juelich.de/record/873529},
}