Molecular analyses and species distribution models indicate cryptic northern mountain refugia for a forestdwelling ground beetle

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Authors

Aim
Identification of potential glacial refugia and post-glacial colonization processes of a flightless, cold-adapted ground beetle
Location
Central and eastern Europe.
Methods
We analysed the genetic structure of 33 Carabus sylvestris populations sampled across its entire distribution range using nuclear and mitochondrial markers. We further compiled occurrence records to develop species distribution models to predict distribution ranges for the last glacial period and the present based on the species’ current climatic niche.
Results
Distinct genetic lineages were detected for a number of mountain ranges and were congruent for both molecular marker systems. Most genetic splits were the results of vicariance, whereas dispersal was rare. Our models suggest that the species’ distribution range was larger and more interconnected in the past.
Main conclusions
Our data support multiple glacial refugia for C. sylvestris, some of which were located north of the Alps. Some lower mountain ranges were likely recolonized post-glacially.
OriginalspracheEnglisch
ZeitschriftJournal of Biogeography
Band43
Ausgabennummer11
Seiten (von - bis)2223-2236
Anzahl der Seiten14
ISSN0305-0270
DOIs
PublikationsstatusErschienen - 11.2016

DOI

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