Wings or winds : inferring bat migration in a stepping-stone archipelago

Weyeneth, N., Goodman, S. M., Appleton, B., Wood, R. and Ruedi, M. 2011, Wings or winds : inferring bat migration in a stepping-stone archipelago, Journal of evolutionary biology, vol. 24, no. 6, pp. 1298-1306, doi: 10.1111/j.1420-9101.2011.02262.x.

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Title Wings or winds : inferring bat migration in a stepping-stone archipelago
Author(s) Weyeneth, N.
Goodman, S. M.
Appleton, B.
Wood, R.
Ruedi, M.
Journal name Journal of evolutionary biology
Volume number 24
Issue number 6
Start page 1298
End page 1306
Total pages 9
Publisher Wiley - Blackwell Publishing
Place of publication Oxford, England
Publication date 2011-06
ISSN 1010-061X
Keyword(s) coalescence
colonization history
gene flow
Summary Eocene ocean currents and prevailing winds correlate with over-water dispersals of terrestrial mammals from Africa to Madagascar. Since the Early Miocene (about 23 Ma), these currents flowed in the reverse direction, from the Indian Ocean towards Africa. The Comoro Islands are equidistant between Africa and Madagascar and support an endemic land vertebrate fauna that shares recent ancestry predominantly with Madagascar. We examined whether gene flow in two Miniopterus bat species endemic to the Comoros and Madagascar correlates with the direction of current winds, using uni- and bi-parentally inherited markers with different evolutionary rates. Coalescence-based analyses of mitochondrial matrilines support a Pleistocene (approximately 180 000 years ago) colonization event from Madagascar west to the Comoros (distance: 300 km) in the predicted direction. However, nuclear microsatellites show that more recent gene flow is restricted to a few individuals flying against the wind, from Grande Comore to Anjouan (distance: 80 km).
Language eng
DOI 10.1111/j.1420-9101.2011.02262.x
Field of Research 069999 Biological Sciences not elsewhere classified
Socio Economic Objective 970106 Expanding Knowledge in the Biological Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2011, The Authors
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