Data from: Comparative phylogeography biogeography of forest-dependent mammals reveals paleo-forest corridors throughout Sundaland
The evolutionary history of the colugo, a gliding arboreal mammal distributed throughout Sundaland, was influenced by the location of and connections between forest habitats. By comparing colugo phylogenetic patterns, species ecology, sample distributions, and times of divergence to those of other S...
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Zusammenfassung: | The evolutionary history of the colugo, a gliding arboreal mammal
distributed throughout Sundaland, was influenced by the location of and
connections between forest habitats. By comparing colugo phylogenetic
patterns, species ecology, sample distributions, and times of divergence
to those of other Sundaic taxa with different life history traits and
dispersal capabilities, we inferred the probable distribution of
paleo-forest corridors. We identified a consistent pattern of early
diversification between east and west Bornean lineages in colugos, lesser
mouse deer, and Sunda pangolins. This phylogenetic pattern has not been
commonly described in mammals, and we found no evidence for this pattern
in the greater mouse deer. Colugos on West Borneo diverged from colugos in
Peninsular Malaysia and Sumatra in the late Pliocene, however most other
mammalian populations distributed across these same geographic regions
diverged from a common ancestor more recently in the Pleistocene. Low
genetic divergence between colugos on large landmasses and their
neighboring satellite islands indicated that past forest distributions
were recently much larger than present refugial distributions. Our
analysis of colugo evolutionary history reveals dynamic forested
connections throughout Sundaland, and reconstructs Borneo as the most
likely ancestral area of origin for Sunda colugos. |
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DOI: | 10.5061/dryad.ps228b9 |