Dispersal ability modulates the strength of the latitudinal richness gradient in European beetles.

Détails

Ressource 1Demande d'une copie Sous embargo indéterminé.
Etat: Public
Version: Author's accepted manuscript
ID Serval
serval:BIB_FE34D6F04034
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Institution
Titre
Dispersal ability modulates the strength of the latitudinal richness gradient in European beetles.
Périodique
Global Ecology and Biogeography
Auteur(s)
Baselga A., Lobo J.M., Svenning J.C., Aragón P., Araújo M.B.
ISSN
1466-822X
Statut éditorial
Publié
Date de publication
2012
Peer-reviewed
Oui
Volume
21
Numéro
11
Pages
1106-1113
Langue
anglais
Résumé
Aim A debate exists as to whether present-day diversity gradients are governed by current environmental conditions or by changes in environmental conditions through time. Recent studies have shown that latitudinal richness gradients might be partially caused by incomplete post-glacial recolonization of high-latitude regions; this leads to the prediction that less mobile taxa should have steeper gradients than more mobile taxa. The aim of this study is to test this prediction. Location Europe. Methods We first assessed whether spatial turnover in species composition is a good surrogate for dispersal ability by measuring the proportion of wingless species in 19 European beetle clades and relating this value to spatial turnover (beta sim) of the clade. We then linearly regressed beta sim values of 21 taxa against the slope of their respective diversity gradients. Results A strong relationship exists between the proportion of wingless species and beta sim, and beta sim was found to be a good predictor of latitudinal richness gradients. Main conclusions Results are consistent with the prediction that poor dispersers have steeper richness gradients than good dispersers, supporting the view that current beetle diversity gradients in Europe are affected by post-glacial dispersal lags.
Mots-clé
:Beta diversity, Coleoptera, dispersal, diversity gradients, Europe, post-glacial recolonization, richness
Web of science
Création de la notice
02/03/2012 16:38
Dernière modification de la notice
20/08/2019 16:28
Données d'usage