Article
Theoretical perspectives on the statics and dynamics of species' borders in patchy environments.
The American naturalist - 1 Oct 2011
Holt Robert D, Barfield Michael
Abstract excerpt
Understanding range limits is a fundamental problem in ecology and evolutionary biology. In 1963, Mayr argued that "contaminating" gene flow from central populations constrained adaptation in marginal populations, preventing range expansion, while in 1984, Bradshaw suggested that absence of genetic variation prevented species from occurring everywhere. Understanding stability of range boundaries requires...
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