Tag Archives: Fossil calibration

Dobigny et al. PLoS ONE 2013

Dobigny G, Tatard C, Gauthier P, Ba K, Duplantier J-M, et al. (2013) Mitochondrial and Nuclear Genes-Based Phylogeography of Arvicanthis niloticus (Murinae) and Sub-Saharan Open Habitats Pleistocene History. PLoS ONE 8(11): e77815.


Abstract of the abstract

  • East Africa origin concomitantly with expanding grasslands some 2 Ma
  • 4 parapatric lineages differentiated following Pleistocene bioclimatic cycles
  • Allopatric genetic divergence within savannah refuges during humid episodes
  • Dispersal during arid ones
  • Secondary contact zones around geographic barrier (Niger River and Lake Chad basins)