Article (Scientific journals)
Evolution of the Geographic Range of a European Montane Leaf Beetle in Response to Climate Changes at the End of the Quaternary
Kastally, Chedly; Sorel, Maeva; Collart, Flavien et al.
2025In Journal of Biogeography
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Keywords :
Chrysomelidae; cold-adapted organism; genomic variation; phylogeography; species range; Ecology, Evolution, Behavior and Systematics; Ecology
Abstract :
[en] During the past few 100,000 years, repeated cycles of glaciation and warming episodes have radically altered the range of organisms. Numerous phylogeographic studies have investigated the impact of past climate changes on the range of temperate organisms in Europe, but we know substantially less about organisms that are adapted to colder climates. Their distributions are often currently fragmented and limited to relatively high elevations in mountainous regions and to the north of Europe. Our inferences of their range during the last glaciation appear contradictory: some studies indicate a range expansion through colonisation of the lowlands, while others suggest a range contraction because they were restricted to small refugia. In this study, we wished to identify which of these two alternative hypotheses explains best the current distribution of genetic variation in a European montane leaf beetle whose current range spans several mountains. Location: Four European mountain systems: Alps, Vosges, Massif Central, Pyrenees. Time Period: End of the Quaternary, focusing mainly on the last glaciation and the Holocene. Taxon: Gonioctena quinquepunctata [Fabricius, 1787] (Coleoptera; Chrysomelidae). Results: Modelling of the potential current and last glacial maximum species distributions suggested that climatic conditions were more favourable in the lowlands during the last glaciation, opening the possibility that this leaf beetle has colonised them at the time. Characterising genomic variation across its current range using RAD-seq data and comparing alternative hypotheses about its evolution with coalescence models in a composite likelihood framework contradicted this hypothesis; however: these analyses inferred instead that the species was associated with a much smaller population size during the last glaciation, suggesting that its range was then restricted to the mountains' outskirts. Main Conclusions: Comparing these results to those of other studies of European cold-adapted species, we argue that phylogeographic evidence points towards a similar glacial contraction of the range of many similar organisms.
Disciplines :
Zoology
Author, co-author :
Kastally, Chedly ;  Department of Forest Sciences, University of Helsinki, Finland ; Viikki Plant Sciences Center, University of Helsinki, Finland
Sorel, Maeva ;  Evolutionary Biology and Ecology, Université Libre de Bruxelles (ULB), Belgium
Collart, Flavien  ;  Université de Liège - ULiège > Integrative Biological Sciences (InBioS)
Mardulyn, Patrick ;  Evolutionary Biology and Ecology, Université Libre de Bruxelles (ULB), Belgium
 These authors have contributed equally to this work.
Language :
English
Title :
Evolution of the Geographic Range of a European Montane Leaf Beetle in Response to Climate Changes at the End of the Quaternary
Publication date :
2025
Journal title :
Journal of Biogeography
ISSN :
0305-0270
eISSN :
1365-2699
Publisher :
John Wiley and Sons Inc
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
F.R.S.-FNRS - Fonds de la Recherche Scientifique
Funding text :
This work was supported by a Fonds d'Encouragement \u00E0 la Recherche (FER) grant from the Universit\u00E9 libre de Bruxelles and by a grant from the Belgian Fonds de la Recherche Scientifique (F.R.S.\u2010FNRS; CDR J.0075.18) to P.M. M.S. was supported by a PhD fellowship from FRS\u2010FNRS, while C.K. was supported by a postdoctoral fellowship from the Research Council of Finland (funding decision no. 348922). Computational resources were provided by the Consortium des Equipements de Calcul Intensif (CECI), funded by F.R.S.\u2010FNRS (Grant 2.5020.11) and the Walloon Region, and by CSC\u2014IT Center for Science, Finland. To comply with French legislation regarding the Nagoya protocol on access to genetic resources, a declaration has been filed with the French authorities (NOR: TREL2103218S / 449). No permits were required for sampling.This work was supported by Fonds De La Recherche Scientifique\u2014FNRS, CDR J.0075.18. Funding:
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