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Unexpected long-range edge-to-forest interior environmental gradients

(2013) LANDSCAPE ECOLOGY. 28(3). p.439-453
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Abstract
We examined the relationships between distance-to-edge and environmental factors inferred from mean plant indicator values across large distance-to-edge and patch size gradients. Floristic composition, landscape metrics and site variables (climate, soil and forest management) were collected on 19,989 plots in 1,801 forest patches in Northern France using the French National Forest Inventory. Statistical models were applied to mean plant indicator values (MIV) from Ellenberg and Ecoplant databases for soil pH, soil nitrogen (N), soil humidity (F), light (L) and air temperature (Ta) using distance-to-edge and forest patch size as predictors. The five mean indicator values significantly varied with distance-to-edge and MIV pH, N and Ta decreased over distances in excess of 500 m. Consistent very long edge-to-interior gradients were also detected for site variables. The distance-to-edge effect remained significant after controlling for site differences, especially for MIV pH and N. Significant edge-to-core gradients of MIV were detected over much larger ranges than previously recognised. Neither the presence of an ecological boundary between forest and the surrounding matrix, nor microclimate, soil or forest management heterogeneity within forest patches can fully explain this long edge-to-interior gradient observed in MIV. Two hypotheses are discussed for MIV pH and N: (1) soil eutrophication, due to atmospheric N deposition, which could occur deeper into forest-cores than previously acknowledged; (2) land use legacies, as the periphery of ancient forests is more often occupied by recent forests where former agricultural practices have irreversibly modified topsoil properties. Land use history data would help identify the drivers underlying these long-range edge gradients.
Keywords
Mean plant indicator value, Landscape patterns, Depth-of-edge influence, Patch size, Land-use history, Edge displacement, Eutrophication, ELLENBERG INDICATOR VALUES, PLANT-SPECIES RICHNESS, NITROGEN DEPOSITION, LAND-USE, FRAGMENTED LANDSCAPES, UNDERSTORY VEGETATION, FIELD-MEASUREMENTS, TEMPERATE FORESTS, DECIDUOUS FORESTS, LAYER VEGETATION

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Citation

Please use this url to cite or link to this publication:

MLA
Bergès, Laurent, Vincent Pellissier, Catherine Avon, et al. “Unexpected Long-range Edge-to-forest Interior Environmental Gradients.” LANDSCAPE ECOLOGY 28.3 (2013): 439–453. Print.
APA
Bergès, L., Pellissier, V., Avon, C., Verheyen, K., & Dupouey, J.-L. (2013). Unexpected long-range edge-to-forest interior environmental gradients. LANDSCAPE ECOLOGY, 28(3), 439–453.
Chicago author-date
Bergès, Laurent, Vincent Pellissier, Catherine Avon, Kris Verheyen, and Jean-Luc Dupouey. 2013. “Unexpected Long-range Edge-to-forest Interior Environmental Gradients.” Landscape Ecology 28 (3): 439–453.
Chicago author-date (all authors)
Bergès, Laurent, Vincent Pellissier, Catherine Avon, Kris Verheyen, and Jean-Luc Dupouey. 2013. “Unexpected Long-range Edge-to-forest Interior Environmental Gradients.” Landscape Ecology 28 (3): 439–453.
Vancouver
1.
Bergès L, Pellissier V, Avon C, Verheyen K, Dupouey J-L. Unexpected long-range edge-to-forest interior environmental gradients. LANDSCAPE ECOLOGY. 2013;28(3):439–53.
IEEE
[1]
L. Bergès, V. Pellissier, C. Avon, K. Verheyen, and J.-L. Dupouey, “Unexpected long-range edge-to-forest interior environmental gradients,” LANDSCAPE ECOLOGY, vol. 28, no. 3, pp. 439–453, 2013.
@article{4376274,
  abstract     = {We examined the relationships between distance-to-edge and environmental factors inferred from mean plant indicator values across large distance-to-edge and patch size gradients. Floristic composition, landscape metrics and site variables (climate, soil and forest management) were collected on 19,989 plots in 1,801 forest patches in Northern France using the French National Forest Inventory. Statistical models were applied to mean plant indicator values (MIV) from Ellenberg and Ecoplant databases for soil pH, soil nitrogen (N), soil humidity (F), light (L) and air temperature (Ta) using distance-to-edge and forest patch size as predictors. The five mean indicator values significantly varied with distance-to-edge and MIV pH, N and Ta decreased over distances in excess of 500 m. Consistent very long edge-to-interior gradients were also detected for site variables. The distance-to-edge effect remained significant after controlling for site differences, especially for MIV pH and N. Significant edge-to-core gradients of MIV were detected over much larger ranges than previously recognised. Neither the presence of an ecological boundary between forest and the surrounding matrix, nor microclimate, soil or forest management heterogeneity within forest patches can fully explain this long edge-to-interior gradient observed in MIV. Two hypotheses are discussed for MIV pH and N: (1) soil eutrophication, due to atmospheric N deposition, which could occur deeper into forest-cores than previously acknowledged; (2) land use legacies, as the periphery of ancient forests is more often occupied by recent forests where former agricultural practices have irreversibly modified topsoil properties. Land use history data would help identify the drivers underlying these long-range edge gradients.},
  author       = {Bergès, Laurent and Pellissier, Vincent and Avon, Catherine and Verheyen, Kris and Dupouey, Jean-Luc},
  issn         = {0921-2973},
  journal      = {LANDSCAPE ECOLOGY},
  keywords     = {Mean plant indicator value,Landscape patterns,Depth-of-edge influence,Patch size,Land-use history,Edge displacement,Eutrophication,ELLENBERG INDICATOR VALUES,PLANT-SPECIES RICHNESS,NITROGEN DEPOSITION,LAND-USE,FRAGMENTED LANDSCAPES,UNDERSTORY VEGETATION,FIELD-MEASUREMENTS,TEMPERATE FORESTS,DECIDUOUS FORESTS,LAYER VEGETATION},
  language     = {eng},
  number       = {3},
  pages        = {439--453},
  title        = {Unexpected long-range edge-to-forest interior environmental gradients},
  url          = {http://dx.doi.org/10.1007/s10980-012-9841-1},
  volume       = {28},
  year         = {2013},
}

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