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Title

Forest plant community changes during 1989-2007 in response to climate warming in the Jura Mountains (France and Switzerland)

Publication Year

2010

Author(s)
  • Lenoir, J.
  • Gegout, J. C.
  • Dupouey, J. L.
  • Bert, D.
  • Svenning, J. -C.
Source
JOURNAL OF VEGETATION SCIENCE Volume: 21 Issue: 5 Pages: 949-964 Published: 2010
ISSN
1100-9233
Abstract

Question How strong are climate warming-driven changes within mid-elevation forest communities? Observations of plant community change within temperate mountain forest ecosystems in response to recent warming are scarce in comparison to high-elevation alpine and nival ecosystems, perhaps reflecting the confounding influence of forest stand dynamics. Location Jura Mountains (France and Switzerland). Methods We assessed changes in plant community composition by surveying 154 Abies alba forest vegetation releves (550-1,350 m a.s.l.) in 1989 and 2007. Over this period, temperatures increased while precipitation did not change. Correspondence analysis (CA) and ecological indicator values were used to measure changes in plant community composition. Releves in even- and uneven-aged stands were analysed separately to determine the influence of forest stand dynamics. We also analysed changes in species distribution to detect shifts along the elevation gradient by focusing on the lowest, central and highest positions of lowland and mountain species altitudinal ranges. Results We found significant shifts along the first CA axis, which reflected a change in plant community composition towards a greater frequency of lowland species. Analyses of ecological indicator values indicated increases in temperature and light availability in A. alba stands, particularly in even-aged stands. However, no major changes in overall species distribution were found. Conclusions The community-level changes are consistent with effects of climate warming and local stand dynamics. Changes in species distribution were small in comparison to observed local temperature increases, perhaps reflecting dispersal limitation, phenotypic plasticity or microclimatic buffering by the tree canopy. Causality cannot rigorously be inferred from such a descriptive study; however, we suggest that recent warming is now driving plant community change in the climatically more moderate mid-elevation forest setting.

Author Keyword(s)
  • Biotic impacts
  • Forest ecosystems
  • Global warming
  • Plant community ecology
  • Range shifts
  • Species distribution
  • Vegetation change
KeyWord(s) Plus
  • POSTGLACIAL DISPERSAL LIMITATION
  • SWEDISH OAK FORESTS
  • LONG-TERM
  • NITROGEN DEPOSITION
  • SOIL ACIDIFICATION
  • ALPINE VEGETATION
  • LAYER VEGETATION
  • SPECIES RICHNESS
  • VASCULAR PLANTS
  • SWISS ALPS
ESI Discipline(s)
  • Environment/Ecology
  • Plant & Animal Science
Web of Science Category(ies)
  • Plant Sciences
  • Ecology
  • Forestry
Adress(es)

[Lenoir, J.; Gegout, J. C.] AgroParisTech INRA, UMR 1092, LERFoB, F-54000 Nancy, France; [Dupouey, J. L.] INRA, UMR 1137 EEF, F-54280 Champenoux, France; [Bert, D.] INRA, UMR 1202 BIOGECO, F-33610 Cestas, France; [Bert, D.] Univ Bordeaux, UMR 1202 BIOGECO, F-33610 Cestas, France; [Lenoir, J.; Svenning, J. -C.] Aarhus Univ, Ecoinformat & Biodivers Grp, Dept Biol Sci, DK-8000 Aarhus C, Denmark

Reprint Adress

Lenoir, J (reprint author), AgroParisTech INRA, UMR 1092, LERFoB, 14 Rue Girardet, F-54000 Nancy, France.

Country(ies)
  • Denmark
  • France
CNRS - Adress(es)

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Accession Number
WOS:000281551000013
uid:/6CKDNDJT
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