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@INPROCEEDINGS{Schmidt:1037641,
      author       = {Schmidt, Marius and Graf, Alexander and Hofer, Anna and
                      Müller, Laura and Leuchner, Michael and Ketzler, Gunnar and
                      Ney, Patrizia and Drüe, Clemens and Vereecken, Harry and
                      Pütz, Thomas},
      title        = {{F}rom {M}onoculture to {D}iversity: {S}pontaneous tree
                      growth and carbon dynamicsafter {C}oniferous removal at a
                      humid temperate forest site},
      reportid     = {FZJ-2025-00806},
      year         = {2024},
      abstract     = {In September 2013, 8.6 hectares of Norway spruce
                      (Piceaabies) monoculture were cleared in the Eifel National
                      Park, Germany, and left to spontaneous regrowth of the
                      expected deciduous forest matching the site’s climate and
                      soil conditions. The area is located within the 38.5 hectare
                      experimental catchment “Wüstebach” (50 30’N, 6
                      19’E, 595 to 630 m a.s.l.), one of the core investigation
                      sites of TERENO (TERrestrial ENvironmental Observatories,
                      https://www.tereno.net). Here, the exchange of energy and
                      matter fluxes between spruce forest and atmosphere were
                      monitored by an ICOS-associated eddy-covariace tower
                      (DE-RuW) since 2010. A second station was installed within
                      the newly established clearcut in 2013. Due to game (boar
                      and deer) pressure, 2 hectares of the clearcut were
                      additionally fenced. Over the first ten growing periods
                      (2014-2023), the area notably shifted from a CO2 source to a
                      sink within eight years. The analysis focuses on the flux
                      components, gross primary productivity, season length and
                      peak fluxes and compares the spruce forest with the regrowth
                      of the clearcut. Data on species, height, and diameter of
                      regrowing trees, collected inside and outside the fence,
                      show dominance by rowan (Sorbusaucuparia), propagated by
                      birds, followed by wind-dispersed spruce and birch
                      (Betulapendula). Rowan and birch grow twice as fast as
                      spruce, with growth notably enhanced inside the fence,
                      especially for rowan. This study provides rare insights into
                      the dynamics of forest regeneration and the associated
                      changes in carbon exchange.},
      month         = {Sep},
      date          = {2024-09-10},
      organization  = {ICOS Science conference 2024,
                       Versailles (France), 10 Sep 2024 - 12
                       Sep 2024},
      subtyp        = {After Call},
      cin          = {IBG-3},
      cid          = {I:(DE-Juel1)IBG-3-20101118},
      pnm          = {2173 - Agro-biogeosystems: controls, feedbacks and impact
                      (POF4-217) / IDAS-GHG - Weiterentwicklung und Vergleich von
                      Methoden zur instrumentellen und analytischen
                      Komponentenzerlegung gemessener Treibhausgasflüsse
                      (01LN1313A)},
      pid          = {G:(DE-HGF)POF4-2173 / G:(BMBF)01LN1313A},
      typ          = {PUB:(DE-HGF)24},
      doi          = {10.34734/FZJ-2025-00806},
      url          = {https://juser.fz-juelich.de/record/1037641},
}