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Islands in the sky: the impact of Pleistocene climate cycles on biodiversity

Allan J Baker

Author affiliations

Department of Natural History, Royal Ontario Museum, Toronto, Ontario, Canada M5S 2C6, and Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, Ontario, Canada M5S 3B2

Citation and License

Journal of Biology 2008, 7:32  doi:10.1186/jbiol90

Published: 3 November 2008


Genetic studies of organisms based on coalescent modeling and paleoenvironmental data, including a new study in BMC Biology of Mexican jays in the sky islands of Arizona and northern Mexico, show that populations differentiated in multiple refugia during and after glacial cycles.