Probing the adaptive landscape using experimental islands: density-dependent natural selection on lizard body size.

@article{Calsbeek2007ProbingTA,
  title={Probing the adaptive landscape using experimental islands: density-dependent natural selection on lizard body size.},
  author={Ryan G Calsbeek and Thomas C. B. Smith},
  journal={Evolution; international journal of organic evolution},
  year={2007},
  volume={61 5},
  pages={1052-61}
}
Anolis lizards in the Greater Antilles are thought to have diversified through natural selection on body size and shape, presumably due to interspecific competition and variation in locomotor performance. Here we measure natural selection on body size over three years and across seven replicate populations of the brown anole, A. sagrei. We experimentally manipulated an important component of the environment (population density) on several small islands to test the role of density in driving… CONTINUE READING

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