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Ancient DNA reveals interstadials as a main driver of the temperate common vole (Microtus arvalis) population dynamics during the Last Glacial Period
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  • Mateusz Baca,
  • Danijela Popovic,
  • Anna Lemanik,
  • Sandra Bañuls-Cardona,
  • Nicholas Conard,
  • Gloria Cuenca-Bescós,
  • Emmanuel Desclaux,
  • Helen Fewlass,
  • Jesús García,
  • Gerald Heckel,
  • Ivan Horáček,
  • Loïc Lebreton,
  • Juan López-García,
  • Elisa Luzi,
  • Zoran Marković,
  • Jadranka Mauch Lenardić,
  • Xabier Murelaga,
  • Aleksandru Petculescu,
  • Vasil Popov,
  • Tereza Hadravová,
  • Sara Rhodes,
  • Bogdan Ridush,
  • Aurélien Royer,
  • John Stewart,
  • Joanna Stojak,
  • Sahra Talamo,
  • Monika Knul,
  • Xuejing Wang,
  • Jan Wójcik,
  • Adam Nadachowski
Mateusz Baca
University of Warsaw

Corresponding Author:[email protected]

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Danijela Popovic
University of Warsaw
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Anna Lemanik
Institute of Systematics and Evolution of Animals PAS
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Sandra Bañuls-Cardona
IPHES
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Nicholas Conard
University of Tübingen
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Gloria Cuenca-Bescós
University of Zaragoza
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Emmanuel Desclaux
CEPAM
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Helen Fewlass
Max-Planck-Institute for Evolutionary Anthropology
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Jesús García
Instituto de Investigación en Recursos Cinegéticos
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Gerald Heckel
University of Bern
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Ivan Horáček
Charles University
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Loïc Lebreton
MNHN
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Juan López-García
IPHES
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Elisa Luzi
University of Tübingen
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Zoran Marković
Natural History Museum in Belgrade
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Jadranka Mauch Lenardić
Croatian Academy of Sciences and Arts
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Xabier Murelaga
University of the Basque Country
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Aleksandru Petculescu
Emil Racovita Institute of Speleology
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Vasil Popov
Institute of Biodiversity and Ecosystem Research at the Bulgarian Academy of Sciences
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Tereza Hadravová
Charles University
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Sara Rhodes
Universidade do Algarve
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Bogdan Ridush
Yuriy Fedkovych Chernivtsi National University
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Aurélien Royer
Université Bourgogne Franche-Comté
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John Stewart
Bournemouth University
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Joanna Stojak
Polish Academy of Sciences Mammal Research Institute
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Sahra Talamo
University of Bologna
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Monika Knul
University of Winchester
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Xuejing Wang
University of Bern
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Jan Wójcik
Polish Academy of Sciences
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Adam Nadachowski
Polish Academy of Sciences
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Abstract

The common vole is a temperate rodent widespread across Europe. Phylogeographic studies of its extant populations suggested the Last Glacial Maximum (LGM) as one of the main drivers of the species’ population history. However, analyses based solely on extant genetic diversity may not recover the full complexity of Late Pleistocene population dynamics. To reconstruct the population history of the common vole through the Last Glacial Period, we analysed a 4.2 kb-long fragment of mitochondrial DNA of 148 ancient and 51 modern specimens, sampled from across Europe, and covering the last 60 thousand years (ka). We estimate the time to the most recent common ancestor of Last Glacial common vole lineages to 90 ka ago and the diversification of the main extant lineages to between 55 and 40 ka ago, substantially earlier than previously estimated. Our data suggests multiple lineage turnovers in Europe at the end of Marine Isotope Stage (MIS) 3 and around the Pleistocene/Holocene transition. Conversely, data from the Western Carpathians suggest continuity throughout the LGM. This further suggests that climate amelioration during MIS 2 had little impact on common voles and that the main driver of population dynamics was the reduction of open habitats during the interstadial periods.