Molecular analyses and species distribution models indicate cryptic northern mountain refugia for a forest-dwelling ground beetle

Molecular analyses and species distribution models indicate cryptic northern mountain refugia for a forest-dwelling ground beetle

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. 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.

Authors: Drees, C.; Husemann, M.; Homburg, K.; Brandt, P.; Dieker, P.; Habel, J.C.; von Wehrden, H.; Zumstein, P.; Assmann, T.

Topic: beetles, species, distribution

Geographic: Central Europe,Eastern Europe

Publication Year: 2016

ISSN: 1365-2699

Source: Journal of Biogeography. 43(11): 2223-2236

DOI: 10.1111/jbi.12828

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