Volume 75, Number 4, August 2006
|Page(s)||517 - 520|
|Published online||12 July 2006|
On the intermittent behaviour of foraging animals
Rothamsted Research - Harpenden, Hertfordshire, AL5 2JQ, UK
Corresponding author: email@example.com
Accepted: 30 June 2006
Many foragers adopt an intermittent searching behaviour in which active local search phases randomly alternate with relocation phases. The average duration of the searching phases has a power-law dependency upon the average duration of the relocation phases. Here it is shown that this observed power-law scaling can be understood within the context of an optimal scale-free (Lévy-flight) searching strategy.
PACS: 02.50.Ey – Stochastic processes / 05.10.Gg – Stochastic analysis methods (Fokker-Planck, Langevin, etc.) / 05.40.Fb – Random walks and Levy flights
© EDP Sciences, 2006
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