Sector fidelity - an advantageous foraging behavior resulting from a heuristic search strategy

Buchkremer EM, Reinhold K (2008)
BEHAVIORAL ECOLOGY 19(5): 984-989.

Journal Article | Published | English

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The desert ant Cataglyphis exhibits a strong tendency toward returning to its previous foraging direction when the last foraging run was successful. This behavior is called sector fidelity. A very simple behavioral rule, the tau-rule, has previously been identified as the possible underlying mechanism. Up to now, sector fidelity has been considered a means of facilitating navigation by exploiting familiar landmark information. We propose that sector fidelity enhances the foraging success of ants or other animals in an environment with a heterogeneous resource distribution. We tested the tau-rule and another promising behavioral rule in a very simple environment and modeled the foraging success of these strategies. For each condition, the parameters of the 2 heuristics were optimized using an evolutionary algorithm. The results of our simulations show that the tau-rule performs very well under different resource distributions and availabilities. It can therefore function as a very general adaptive foraging strategy for finding prey in landscapes with heterogeneous resource distributions.
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Buchkremer EM, Reinhold K. Sector fidelity - an advantageous foraging behavior resulting from a heuristic search strategy. BEHAVIORAL ECOLOGY. 2008;19(5):984-989.
Buchkremer, E. M., & Reinhold, K. (2008). Sector fidelity - an advantageous foraging behavior resulting from a heuristic search strategy. BEHAVIORAL ECOLOGY, 19(5), 984-989.
Buchkremer, E. M., and Reinhold, K. (2008). Sector fidelity - an advantageous foraging behavior resulting from a heuristic search strategy. BEHAVIORAL ECOLOGY 19, 984-989.
Buchkremer, E.M., & Reinhold, K., 2008. Sector fidelity - an advantageous foraging behavior resulting from a heuristic search strategy. BEHAVIORAL ECOLOGY, 19(5), p 984-989.
E.M. Buchkremer and K. Reinhold, “Sector fidelity - an advantageous foraging behavior resulting from a heuristic search strategy”, BEHAVIORAL ECOLOGY, vol. 19, 2008, pp. 984-989.
Buchkremer, E.M., Reinhold, K.: Sector fidelity - an advantageous foraging behavior resulting from a heuristic search strategy. BEHAVIORAL ECOLOGY. 19, 984-989 (2008).
Buchkremer, Eva Maria, and Reinhold, Klaus. “Sector fidelity - an advantageous foraging behavior resulting from a heuristic search strategy”. BEHAVIORAL ECOLOGY 19.5 (2008): 984-989.
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