Issue |
Europhys. Lett.
Volume 75, Number 4, August 2006
|
|
---|---|---|
Page(s) | 517 - 520 | |
Section | General | |
DOI | https://doi.org/10.1209/epl/i2006-10157-x | |
Published online | 12 July 2006 |
On the intermittent behaviour of foraging animals
Rothamsted Research - Harpenden, Hertfordshire, AL5 2JQ, UK
Corresponding author: andy.reynolds@bbsrc.ac.uk
Received:
18
May
2006
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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