An experimental test of density-dependent selection on temperament traits of activity, boldness and sociability.

@article{Galliard2015AnET,
  title={An experimental test of density-dependent selection on temperament traits of activity, boldness and sociability.},
  author={Jean-François Le Galliard and Matthieu Paquet and Marianne Mugabo},
  journal={Journal of evolutionary biology},
  year={2015},
  volume={28 5},
  pages={1144-55}
}
Temperament traits are seen in many animal species, and recent evolutionary models predict that they could be maintained by heterogeneous selection. We tested this prediction by examining density-dependent selection in juvenile common lizards Zootoca vivipara scored for activity, boldness and sociability at birth and at the age of 1 year. We measured three key life-history traits (juvenile survival, body growth rate and reproduction) and quantified selection in experimental populations at five… CONTINUE READING
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