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024 7 _ |a 10.34734/FZJ-2025-00806
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037 _ _ |a FZJ-2025-00806
041 _ _ |a English
100 1 _ |a Schmidt, Marius
|0 P:(DE-Juel1)144420
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|e Corresponding author
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111 2 _ |a ICOS Science conference 2024
|c Versailles
|d 2024-09-10 - 2024-09-12
|w France
245 _ _ |a From Monoculture to Diversity: Spontaneous tree growth and carbon dynamicsafter Coniferous removal at a humid temperate forest site
260 _ _ |c 2024
336 7 _ |a Conference Paper
|0 33
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336 7 _ |a INPROCEEDINGS
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520 _ _ |a 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.
536 _ _ |a 2173 - Agro-biogeosystems: controls, feedbacks and impact (POF4-217)
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536 _ _ |a IDAS-GHG - Weiterentwicklung und Vergleich von Methoden zur instrumentellen und analytischen Komponentenzerlegung gemessener Treibhausgasflüsse (01LN1313A)
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650 2 7 |a Geosciences
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700 1 _ |a Graf, Alexander
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700 1 _ |a Hofer, Anna
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700 1 _ |a Müller, Laura
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700 1 _ |a Leuchner, Michael
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700 1 _ |a Ketzler, Gunnar
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700 1 _ |a Ney, Patrizia
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700 1 _ |a Drüe, Clemens
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700 1 _ |a Vereecken, Harry
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700 1 _ |a Pütz, Thomas
|0 P:(DE-Juel1)129523
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856 4 _ |u https://juser.fz-juelich.de/record/1037641/files/Poster%20ICOS%20Sciences%20Conference%202024.pdf
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910 1 _ |a Forschungszentrum Jülich
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910 1 _ |a RWTH Aachen
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910 1 _ |a External Institute
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913 1 _ |a DE-HGF
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914 1 _ |y 2024
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