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Soil inorganic N leaching in edges of different forest types subject to high N deposition loads

Karen Wuyts (UGent) , An De Schrijver (UGent) , Jeroen Staelens (UGent) , Lotte Van Nevel (UGent) , Sandy Adriaenssens (UGent) and Kris Verheyen (UGent)
(2011) ECOSYSTEMS. 14(5). p.818-834
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Abstract
We report on soil leaching of dissolved inorganic nitrogen (DIN) along transects across exposed edges of four coniferous and four deciduous forest stands. In a 64-m edge zone, DIN leaching below the main rooting zone was enhanced relative to the interior (at 128 m from the edge) by 21 and 14 kg N ha-1 y-1 in the coniferous and deciduous forest stands, respectively. However, the patterns of DIN leaching did not univocally reflect those of DIN throughfall deposition. DIN leaching in the first 20 m of the edges was lower than at 32–64 m from the edge (17 vs. 36 kg N ha-1 y-1 and 15 vs. 24 kg N ha-1 y-1 in the coniferous and deciduous forests, respectively). Nitrogen stocks in the mineral topsoil (0–30 cm) were, on average, 943 kg N ha-1 higher at the outer edges than in the interior, indicating that N retention in the soil is probably one of the processes involved in the relatively low DIN leaching in the outer edges. We suggest that a complex of edge effects on biogeochemical processes occurs at the forest edges as a result of the interaction between microclimate, tree dynamics (growth and litterfall), and atmospheric deposition of N and base cations.
Keywords
ORGANIC-MATTER, NITROGEN DEPOSITION, EUROPEAN BEECH, SOLUTION CHEMISTRY, NORWAY SPRUCE, NORTH BELGIUM, UNITED-STATES, CORSICAN PINE, nitrate leaching, edge effects, atmospheric deposition, forest type, forest edge, inorganic nitrogen, C:N ratio, THROUGHFALL DEPOSITION, SCOTS PINE FOREST

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Citation

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Chicago
Wuyts, Karen, An De Schrijver, Jeroen Staelens, Lotte Van Nevel, Sandy Adriaenssens, and Kris Verheyen. 2011. “Soil Inorganic N Leaching in Edges of Different Forest Types Subject to High N Deposition Loads.” Ecosystems 14 (5): 818–834.
APA
Wuyts, Karen, De Schrijver, A., Staelens, J., Van Nevel, L., Adriaenssens, S., & Verheyen, K. (2011). Soil inorganic N leaching in edges of different forest types subject to high N deposition loads. ECOSYSTEMS, 14(5), 818–834.
Vancouver
1.
Wuyts K, De Schrijver A, Staelens J, Van Nevel L, Adriaenssens S, Verheyen K. Soil inorganic N leaching in edges of different forest types subject to high N deposition loads. ECOSYSTEMS. 2011;14(5):818–34.
MLA
Wuyts, Karen, An De Schrijver, Jeroen Staelens, et al. “Soil Inorganic N Leaching in Edges of Different Forest Types Subject to High N Deposition Loads.” ECOSYSTEMS 14.5 (2011): 818–834. Print.
@article{1866940,
  abstract     = {We report on soil leaching of dissolved inorganic nitrogen (DIN) along transects across exposed edges of four coniferous and four deciduous forest stands. In a 64-m edge zone, DIN leaching below the main rooting zone was enhanced relative to the interior (at 128 m from the edge) by 21 and 14 kg N ha-1 y-1 in the coniferous and deciduous forest stands, respectively. However, the patterns of DIN leaching did not univocally reflect those of DIN throughfall deposition. DIN leaching in the first 20 m of the edges was lower than at 32--64 m from the edge (17 vs. 36 kg N ha-1 y-1 and 15 vs. 24 kg N ha-1 y-1 in the coniferous and deciduous forests, respectively). Nitrogen stocks in the mineral topsoil (0--30 cm) were, on average, 943 kg N ha-1 higher at the outer edges than in the interior, indicating that N retention in the soil is probably one of the processes involved in the relatively low DIN leaching in the outer edges. We suggest that a complex of edge effects on biogeochemical processes occurs at the forest edges as a result of the interaction between microclimate, tree dynamics (growth and litterfall), and atmospheric deposition of N and base cations.},
  author       = {Wuyts, Karen and De Schrijver, An and Staelens, Jeroen and Van Nevel, Lotte and Adriaenssens, Sandy and Verheyen, Kris},
  issn         = {1432-9840},
  journal      = {ECOSYSTEMS},
  keyword      = {ORGANIC-MATTER,NITROGEN DEPOSITION,EUROPEAN BEECH,SOLUTION CHEMISTRY,NORWAY SPRUCE,NORTH BELGIUM,UNITED-STATES,CORSICAN PINE,nitrate leaching,edge effects,atmospheric deposition,forest type,forest edge,inorganic nitrogen,C:N ratio,THROUGHFALL DEPOSITION,SCOTS PINE FOREST},
  language     = {eng},
  number       = {5},
  pages        = {818--834},
  title        = {Soil inorganic N leaching in edges of different forest types subject to high N deposition loads},
  url          = {http://dx.doi.org/10.1007/s10021-011-9448-4},
  volume       = {14},
  year         = {2011},
}

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