Article
Phenotypic plasticity and the evolution of a socially selected trait following colonization of a novel environment.
The American naturalist - 1 Jul 2008
Price Trevor D, Yeh Pamela J, Harr Bettina
Abstract excerpt
Novel selection pressures in new environments arise through two distinct processes. First, environmental conditions directly affect the fitness of different phenotypes. Second, phenotypic plasticity alters the distribution of phenotypes, thereby placing populations in new selective regimes. A small isolated population of dark-eyed juncos Junco hyemalis became established in San Diego, probably in the early 1980s...
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