Philippe Choler
University of Savoy
112 Papers
408 Citations
Philippe Choler is an academic researcher from University of Savoy. The author has contributed to research in topics: Biology & Alpine plant. The author has an hindex of 39, co-authored 99 publications. Previous affiliations of Philippe Choler include Centre national de la recherche scientifique & Max Planck Society.
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Papers
Positive interactions among alpine plants increase with stress.
Ragan M. Callaway,Robin W. Brooker,Philippe Choler,Zaal Kikvidze,Christopher J. Lortie,Richard Michalet,Leonardo Paolini,Francisco I. Pugnaire,Beth A. Newingham,Erik T. Aschehoug,Erik T. Aschehoug,Cristina Armas,David Kikodze,Bradley J. Cook +13 more
TL;DR: It is shown that the biomass, growth and reproduction of alpine plant species are higher when other plants are nearby, and that competition generally, but not exclusively, dominates interactions at lower elevations where conditions are less physically stressful.
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Facilitation and competition on gradients in alpine plant communities
TL;DR: It is concluded that the distribution and abundance of many species in high-elevation communities of the western Alps appears to be enhanced by neighbors, and that species continua commonly observed along environmental gradients are the result of both negative and positive plant interactions.
21st century climate change threatens mountain flora unequally across Europe
Robin Engler,Christophe F. Randin,Wilfried Thuiller,Stefan Dullinger,Niklaus E. Zimmermann,Miguel B. Araújo,Miguel B. Araújo,Peter B. Pearman,Gwenaëlle Le Lay,Christian Piedallu,Christian Piedallu,Cécile H. Albert,Philippe Choler,Gheorghe Coldea,Xavier de Lamo,Thomas Dirnböck,Jean-Claude Gégout,Jean-Claude Gégout,Daniel Gómez-García,John-Arvid Grytnes,Einar Heegaard,Fride Høistad,Fride Høistad,David Nogués-Bravo,David Nogués-Bravo,Signe Normand,Mihai Puşcaş,Maria-Teresa Sebastià,Angela Stanisci,Jean-Paul Theurillat,Mandar R. Trivedi,Pascal Vittoz,Antoine Guisan +32 more
TL;DR: In this article, the authors assess the impacts of climate change on 2632 plant species across all major European mountain ranges, using high-resolution (ca. 100 m) species samples and data expressing four future climate scenarios.
634
Combining the fourth-corner and the RLQ methods for assessing trait responses to environmental variation.
Stéphane Dray,Philippe Choler,Sylvain Dolédec,Pedro R. Peres-Neto,Wilfried Thuiller,Sandrine Pavoine,Sandrine Pavoine,Cajo J. F. ter Braak +7 more
TL;DR: How the complementarity between the fourth-corner and RLQ methods can be exploited to promote new ecological knowledge and to improve the study of trait-environment relationships is illustrated.
509
Long livestock farming history and human landscape shaping revealed by lake sediment DNA
Charline Giguet-Covex,Johan Pansu,Fabien Arnaud,Pierre-Jérôme Rey,Christophe Griggo,Ludovic Gielly,Isabelle Domaizon,Eric Coissac,Fernand David,Philippe Choler,Jérôme Poulenard,Pierre Taberlet +11 more
TL;DR: An approach based on DNA metabarcoding used on lake sediments to provide the first high-resolution reconstruction of plant cover and livestock farming history since the Neolithic Period shows that the most intense erosion period was caused by deforestation and overgrazing by sheep and cowherds during the Late Iron Age and Roman Period.