Accelerating invasion rates result from the evolution of density-dependent dispersal.

@article{Travis2009AcceleratingIR,
  title={Accelerating invasion rates result from the evolution of density-dependent dispersal.},
  author={Justin M J Travis and Karen Mustin and Tim G Benton and Calvin Dytham},
  journal={Journal of theoretical biology},
  year={2009},
  volume={259 1},
  pages={151-8}
}
Evolutionary processes play an important role in shaping the dynamics of range expansions, and selection on dispersal propensity has been demonstrated to accelerate rates of advance. Previous theory has considered only the evolution of unconditional dispersal rates, but dispersal is often more complex. For example, many species emigrate in response to crowding. Here, we use an individual-based model to investigate the evolution of density dependent dispersal into empty habitat, such as during… CONTINUE READING

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