Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/100257
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Type: Journal article
Title: Onset of collective motion in locusts is captured by a minimal model
Author: Dyson, L.
Yates, C.
Buhl, J.
McKane, A.
Citation: Physical Review E, 2015; 92(5):052708-1-052708-7
Publisher: American Physical Society
Issue Date: 2015
ISSN: 2470-0045
2470-0053
Statement of
Responsibility: 
Louise Dyson, Christian A. Yates, Jerome Buhl, and Alan J. McKane
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.
Keywords: Animals; Grasshoppers; Models, Statistical; Probability; Animal Migration; Movement
Rights: © 2015 American Physical Society
RMID: 0030041976
DOI: 10.1103/PhysRevE.92.052708
Appears in Collections:Agriculture, Food and Wine publications

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