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Molecular analyses and species distribution models indicate cryptic northern mountain refugia for a forest‐dwelling ground beetle
Author(s) -
Drees Claudia,
Husemann Martin,
Homburg Katharina,
Brandt Patric,
Dieker Petra,
Habel Jan C.,
Wehrden Henrik,
Zumstein Pascale,
Assmann Thorsten
Publication year - 2016
Publication title -
journal of biogeography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 158
eISSN - 1365-2699
pISSN - 0305-0270
DOI - 10.1111/jbi.12828
Subject(s) - vicariance , biological dispersal , glacial period , range (aeronautics) , ground beetle , ecology , species distribution , environmental niche modelling , phylogeography , biology , biogeography , genetic structure , ecological niche , habitat , genetic variation , paleontology , phylogenetics , population , biochemistry , demography , materials science , sociology , composite material , gene
Abstract 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.

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