Sentences with phrase «by vicariance»

Not exact matches

The new study compares the theories of jump dispersal and vicariance in a new computational program developed by Nicholas J. Matzke, a postdoctoral fellow at the National Institute for Mathematical and Biological Synthesis.

There could be three evolutionary processes could explain this adaptive radiation of hominins: 1) the occupation of novel niches for species living in a highly productive but spatially constrained region when there are deep fresh water lakes in the EARS [46] and 2) the lakes themselves creating spatial structure producing population isolation and vicariance and 3) repeated periods of increased resource availability stimulated adaptation and radiation followed by periods of environmental stress when the lakes rapidly dried up imposing strong selection pressures [28].