| fire and ice: genetic structure of the uinta ground squirrel (spermophilus armatus) across the yellowstone hotspot. | the range of the uinta ground squirrel, spermophilus armatus, is centred over one of the most tectonically active regions today, the yellowstone hotspot. we document the role of quaternary tectonic and climatic history on the genetic structure of this species by screening museum and extant individuals throughout its range. phylogeographic, divergence time, and demographic analyses of partial mitochondrial cytochrome b and control region dna sequences yield insight into the cadence of evolution a ... | 2008 | 18284571 |