Title |
Australia’s arid-adapted butcherbirds experienced range expansions during Pleistocene glacial maxima
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Published in |
Nature Communications, May 2014
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DOI | 10.1038/ncomms4994 |
Pubmed ID | |
Authors |
Anna M. Kearns, Leo Joseph, Alicia Toon, Lyn G. Cook |
Abstract |
A model of range expansions during glacial maxima (GM) for cold-adapted species is generally accepted for the Northern Hemisphere. Given that GM in Australia largely resulted in the expansion of arid zones, rather than glaciation, it could be expected that arid-adapted species might have had expanded ranges at GM, as cold-adapted species did in the Northern Hemisphere. For Australian biota, however, it remains paradigmatic that arid-adapted species contracted to refugia at GM. Here we use multilocus data and ecological niche models (ENMs) to test alternative GM models for butcherbirds. ENMs, mtDNA and estimates of nuclear introgression and past population sizes support a model of GM expansion in the arid-tolerant Grey Butcherbird that resulted in secondary contact with its close relative-the savanna-inhabiting Silver-backed Butcherbird-whose contemporary distribution is widely separated. Together, these data reject the universal use of a GM contraction model for Australia's dry woodland and arid biota. |
X Demographics
Geographical breakdown
Country | Count | As % |
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Australia | 2 | 100% |
Demographic breakdown
Type | Count | As % |
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Members of the public | 2 | 100% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
---|---|---|
Portugal | 1 | 1% |
Germany | 1 | 1% |
Brazil | 1 | 1% |
Mexico | 1 | 1% |
United States | 1 | 1% |
Unknown | 70 | 93% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Student > Ph. D. Student | 21 | 28% |
Researcher | 16 | 21% |
Student > Master | 13 | 17% |
Student > Bachelor | 9 | 12% |
Student > Postgraduate | 4 | 5% |
Other | 7 | 9% |
Unknown | 5 | 7% |
Readers by discipline | Count | As % |
---|---|---|
Agricultural and Biological Sciences | 49 | 65% |
Biochemistry, Genetics and Molecular Biology | 8 | 11% |
Environmental Science | 6 | 8% |
Arts and Humanities | 2 | 3% |
Nursing and Health Professions | 1 | 1% |
Other | 3 | 4% |
Unknown | 6 | 8% |