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|Title:||Onset of collective motion in locusts is captured by a minimal model|
|Citation:||Physical Review E, 2015; 92(5):052708-1-052708-7|
|Publisher:||American Physical Society|
|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|
|Appears in Collections:||Agriculture, Food and Wine publications|
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