Genomic tests of the species-pump hypothesis: Recent island connectivity cycles drive population divergence but not speciation in Caribbean crickets across the Virgin Islands.

@article{Papadopoulou2015GenomicTO,
  title={Genomic tests of the species-pump hypothesis: Recent island connectivity cycles drive population divergence but not speciation in Caribbean crickets across the Virgin Islands.},
  author={Anna Papadopoulou and L. Lacey Knowles},
  journal={Evolution; international journal of organic evolution},
  year={2015},
  volume={69 6},
  pages={1501-1517}
}
Harnessing the power of genomic scans, we test the debated "species pump" hypothesis that implicates repeated cycles of island connectivity and isolation as drivers of divergence. This question has gone understudied given the limited resolution of past molecular markers for studying such dynamic phenomena. With an average of 32,000 SNPs from the genome of 136 individuals from 10 populations of a Caribbean flightless ground cricket species (Amphiacusta sanctaecrucis) and a complementary set of… CONTINUE READING
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