The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Turn costs change the value of animal search paths.
Abstract
The tortuosity of the track taken by an animal searching for food profoundly affects search efficiency, which should be optimised to maximise net energy gain. Models examining this generally describe movement as a series of straight steps interspaced by turns, and implicitly assume no turn costs. We used both empirical‐ and modelling‐based approaches to show that the energetic costs for turns in both terrestrial and aerial locomotion are substantial, which calls into question the value of conventional movement models such as correlated random walk or Lévy walk for assessing optimum path types. We show how, because straight‐line travel is energetically most efficient, search strategies should favour constrained turn angles, with uninformed foragers continuing in straight lines unless the potential benefits of turning offset the cost.
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“Low speeds and also frequent changes in direction associated with foraging will likely serve to increase transport costs (Halsey and White, 2012; Wilson et al., 2013).”
From The energy costs of wading in water (2014) · cites this paper as Wilson et al., 2013
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“However, these increased costs will certainly be in part due to the inclusion of turns in the walking protocol, which incur a significant energetic cost (Wilson et al., 2013).”
From The energy costs of wading in water (2014) · cites this paper as Wilson et al., 2013
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Papastamatiou, Y. P., Watanabe, Y. Y., Demšar, U., Leos-Barajas, V., Bradley, D., Langrock, R., Weng, K., Lowe, C. G., Friedlander, A. M., & Caselle, J. E. (2018) · Movement Ecology · doi:10.1186/s40462-018-0127-3 · Cited by 86
The energy costs of wading in water
Halsey, L. G., Tyler, C. J., & Kuliukas, A. V. (2014) · Biology Open · doi:10.1242/bio.20147831 · Cited by 5
Self-citation
Metadata
- Authors
- Wilson, R. P., Griffiths, I. W., Legg, P. A., Friswell, M. I., Bidder, O. R., Halsey, L. G., Lambertucci, S. A., & Shepard, E. L. C.
- Affiliations
- Swansea Lab for Animal Movement, Biosciences College of Science Swansea University Singleton Park Swansea SA2 8PP Wales UK
- College of Engineering Swansea University Singleton Park Swansea SA2 8PP Wales UK
- School of Life Sciences University of Roehampton Holybourne Avenue London SW15 4JD UK
- Laboratorio Ecotono INIBIOMA (CONICET – Universidad Nacional del Comahue) Quintral 1250 Bariloche Argentina
- Venue
- Ecology Letters
- Publisher
- Wiley
- Published
- 2013-07-15
- Volume
- 16
- Issue
- 9
- Pages
- 1145-1150
- ISSN
- 1461-023X
- 1461-0248
- Cited by
- 142
- References
- 1
- Language
- en
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