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Onset of collective motion in locusts is captured by a minimal model
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Dyson, Louise, Yates, Christian A., Buhl, Jerome and McKane, Alan J. (2015) Onset of collective motion in locusts is captured by a minimal model. Physical Review E, 92 (5). 052708 . doi:10.1103/PhysRevE.92.052708
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Official URL: http://dx.doi.org/10.1103/PhysRevE.92.052708
Abstract
We present a minimal model to describe the onset of collective motion seen when a population of locusts are placed in an annular arena. At low densities motion is disordered, while at high densities locusts march in a common direction, which may reverse during the experiment. The data are well captured by an individual-based model, in which demographic noise leads to the observed density-dependent effects. By fitting the model parameters to equation-free coefficients, we give a quantitative comparison, showing time series, stationary distributions, and the mean switching times between states.
| Item Type: | Journal Article | ||||||
|---|---|---|---|---|---|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Mathematics | ||||||
| Journal or Publication Title: | Physical Review E | ||||||
| Publisher: | American Physical Society | ||||||
| ISSN: | 1539-3755 | ||||||
| Official Date: | 6 November 2015 | ||||||
| Dates: |
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| Volume: | 92 | ||||||
| Number: | 5 | ||||||
| Article Number: | 052708 | ||||||
| DOI: | 10.1103/PhysRevE.92.052708 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Restricted or Subscription Access |
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