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David A. Roshier, Robert Heinsohn, Gregory J. Adcock, Peter Beerli and Leo Joseph Biogeographic models of gene flow in two waterfowl of the Australo-Papuan tropics Ecology and Evolution 2

Article first published online: 9 OCT 2012 | DOI: 10.1002/ece3.393

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There are many large, easy-to-observe anseriforms in northern Australia and New Guinea for which the structure of populations and movements between them are poorly understood. We formulated and tested biogeographic models of genetic connectivity between populations of two waterfowl in the Australo-Papuan tropics, magpie goose Anseranas semipalmata and wandering whistling-duck Dendrocygna arcuata. In the wandering whistling-duck, the best model of population structure was New Guinea as the source population for all other populations. In magpie goose, Cape York Peninsula as the source population for all other populations provided the best fit to the observed structure.

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