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Facilitative plant interactions and climate simultaneously drive alpine plant diversity

Cavieres Lohengrin A., Brooker Rob W., Butterfield Bradley J., Cook Bradley J., Kikvidze Zaal, Lortie Christopher J., Michalet Richard, Pugnaire Francisco I., Schöb Christian, Xiao Sa, Anthelme Fabien, Björk Robert G., Dickinson Katharine J.M., Cranston Brittany H., Gavilán Rosario, Gutiérrez-Girón Alba, Kanka Robert, Maaloui Jean-Paul, Mark Alan F., Noroozi Jalil, Parajuli Rabindra, Phoenix Gareth K., Reid Anya M., Ridenour Wendy M., Rixen Christian, Wipf Sonja, Zhao Liang, Escudero Adrián, Zaitchik Benjamin F., Lingua Emanuele, Aschehoug Erik T., Callaway Ragan M.. 2014. Facilitative plant interactions and climate simultaneously drive alpine plant diversity. Ecology Letters, 17 (2) : pp. 193-202.

Journal article ; Article de revue à facteur d'impact
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Quartile : Outlier, Sujet : ECOLOGY

Abstract : Interactions among species determine local-scale diversity, but local interactions are thought to have minor effects at larger scales. However, quantitative comparisons of the importance of biotic interactions relative to other drivers are rarely made at larger scales. Using a data set spanning 78 sites and five continents, we assessed the relative importance of biotic interactions and climate in determining plant diversity in alpine ecosystems dominated by nurse-plant cushion species. Climate variables related with water balance showed the highest correlation with richness at the global scale. Strikingly, although the effect of cushion species on diversity was lower than that of climate, its contribution was still substantial. In particular, cushion species enhanced species richness more in systems with inherently impoverished local diversity. Nurse species appear to act as a 'safety net' sustaining diversity under harsh conditions, demonstrating that climate and species interactions should be integrated when predicting future biodiversity effects of climate change. (Résumé d'auteur)

Mots-clés géographiques Agrovoc : Alpes

Classification Agris : F40 - Plant ecology
P40 - Meteorology and climatology
F70 - Plant taxonomy and geography

Champ stratégique Cirad : Axe 6 (2014-2018) - Sociétés, natures et territoires

Auteurs et affiliations

  • Cavieres Lohengrin A., Universidad de Concepción (CHL)
  • Brooker Rob W., The James Hutton Institute (GBR)
  • Butterfield Bradley J., Merriam-Powell Center for Environmental Research (USA)
  • Cook Bradley J., University of Minnesota (USA)
  • Kikvidze Zaal, Ilia State University (USA)
  • Lortie Christopher J., York University (CAN)
  • Michalet Richard, Université de Bordeaux (FRA)
  • Pugnaire Francisco I., EEZA (ESP)
  • Schöb Christian, The James Hutton Institute (GBR)
  • Xiao Sa, Lanzhou University (CHN)
  • Anthelme Fabien, CIRAD-BIOS-UMR AMAP (FRA)
  • Björk Robert G., University of Göttingen (DEU)
  • Dickinson Katharine J.M., University of Otago (NZL)
  • Cranston Brittany H., University of Otago (NZL)
  • Gavilán Rosario, Universidad Complutense de Madrid (ESP)
  • Gutiérrez-Girón Alba, Universidad Complutense de Madrid (ESP)
  • Kanka Robert, Slovak Academy of Sciences (SVK)
  • Maaloui Jean-Paul, Université de Bordeaux (FRA)
  • Mark Alan F., University of Otago (NZL)
  • Noroozi Jalil, Université de Vienne (AUT)
  • Parajuli Rabindra, Tribhuvan University (NPL)
  • Phoenix Gareth K., University of Sheffield (GBR)
  • Reid Anya M., York University (CAN)
  • Ridenour Wendy M., University of Montana Western (USA)
  • Rixen Christian, WSL Institute for Snow and Avalanche Research (CHE)
  • Wipf Sonja, WSL Institute for Snow and Avalanche Research (CHE)
  • Zhao Liang, Chinese Academy of Sciences (CHN)
  • Escudero Adrián, Universidad Rey Juan Carlos (ESP)
  • Zaitchik Benjamin F., Johns Hopkins University (USA)
  • Lingua Emanuele, Università di Padova (ITA)
  • Aschehoug Erik T., North Carolina State University (USA)
  • Callaway Ragan M., University of Montana (USA)

Source : Cirad - Agritrop (https://agritrop.cirad.fr/575399/)

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