Invasive Species and Biodiversity Crises: Testing the Link in the Late Devonian

  title={Invasive Species and Biodiversity Crises: Testing the Link in the Late Devonian},
  author={Alycia L. Stigall},
  booktitle={PloS one},
During the Late Devonian Biodiversity Crisis, the primary driver of biodiversity decline was the dramatic reduction in speciation rates, not elevated extinction rates; however, the causes of speciation decline have been previously unstudied. Speciation, the formation of new species from ancestral populations, occurs by two primary allopatric mechanisms: vicariance, where the ancestral population is passively divided into two large subpopulations that later diverge and form two daughter species… CONTINUE READING
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