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https://hdl.handle.net/2440/86790
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Type: | Journal article |
Title: | From disorder to order in marching locusts |
Author: | Buhl, J. Sumpter, D.J.T. Couzin, I.D. Hale, J.J. Despland, E. Miller, E.R. Simpson, S.J. |
Citation: | Science, 2006; 312(5778):1402-1406 |
Publisher: | American Association for the Advancement of Science |
Issue Date: | 2006 |
ISSN: | 0036-8075 1095-9203 |
Statement of Responsibility: | J. Buhl, D. J. T. Sumpter, I. D. Couzin, J. J. Hale, E. Despland, E. R. Miller, S. J. Simpson |
Abstract: | Recent models from theoretical physics have predicted that mass-migrating animal groups may share group-level properties, irrespective of the type of animals in the group. One key prediction is that as the density of animals in the group increases, a rapid transition occurs from disordered movement of individuals within the group to highly aligned collective motion. Understanding such a transition is crucial to the control of mobile swarming insect pests such as the desert locust. We confirmed the prediction of a rapid transition from disordered to ordered movement and identified a critical density for the onset of coordinated marching in locust nymphs. We also demonstrated a dynamic instability in motion at densities typical of locusts in the field, in which groups can switch direction without external perturbation, potentially facilitating the rapid transfer of directional information. |
Keywords: | Animals Grasshoppers Mass Behavior Population Density Movement Models, Biological |
Rights: | ©American Association for the Advancement of Science |
DOI: | 10.1126/science.1125142 |
Published version: | http://dx.doi.org/10.1126/science.1125142 |
Appears in Collections: | Agriculture, Food and Wine publications Aurora harvest 2 |
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