Ancient DNA reveals lack of postglacial habitat tracking in the arctic fox.

  title={Ancient DNA reveals lack of postglacial habitat tracking in the arctic fox.},
  author={Love Dal{\'e}n and Veronica Nystr{\"o}m and Cristina E. Valdiosera and Mietje Germonpr{\'e} and Mikhail V. Sablin and Elaine Turner and Anders Angerbj{\"o}rn and Juan Luis Arsuaga and Anders G{\"o}therstr{\"o}m},
  journal={Proceedings of the National Academy of Sciences of the United States of America},
  volume={104 16},
How species respond to an increased availability of habitat, for example at the end of the last glaciation, has been well established. In contrast, little is known about the opposite process, when the amount of habitat decreases. The hypothesis of habitat tracking predicts that species should be able to track both increases and decreases in habitat availability. The alternative hypothesis is that populations outside refugia become extinct during periods of unsuitable climate. To test these… CONTINUE READING
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