Ice-age endurance: DNA evidence of a white spruce refugium in Alaska.

Abstract excerpt

Paleorecords offer key information for evaluating model simulations of species migration in response to forecast climatic change. However, their utility can be greatly compromised by the existence of glacial refugia that are undetectable in fossil records (cryptic refugia). Despite several decades of investigation, it remains controversial whether Beringia, the largely unglaciated area extending from northeastern...

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• Alaska
• Chloroplasts
• DNA, Plant
• Fossils
• Genetics, Population