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A model of digging behaviour and tunnel production in ants

Un modèle du comportement creuseur et de la production des tunnels chez les fourmis

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Summary

  1. 1.

    A computer model of the excavation behaviour of the antFormica lemani has simulated the rate of excavation and some features of the form of its tunnels.

  2. 2.

    The same model applied to another antLasius niger simulated the form of tunnels correctly but underestimated the depth of its tunnels.

  3. 3.

    In both species the individual variation predicted between different tunnels was less than that actually observed. This seems to be explained by the fact that the model did not incorporate individual differences between ants.

  4. 4.

    The model was unable to generate the branches ofL. niger tunnels, or the duplicated tunnels ofF. lemani.

Résumé

  1. 1.

    Une simulation du creusement de tunnels parFormica lemani a été réalisée à l'aide d'un computeur digital. Le modèle a permis de reproduire le taux d'excavation et certaines caractéristiques de la forme des tunnels creusés par cette espèce.

  2. 2.

    Le modèle appliqué àLasius niger a simulé correctement la forme des tunnels réels, mais a sous-estimé leur profondeur.

  3. 3.

    Chez les deux espèces, la variation individuelle des tunnels simulés est moins grande que celle des tunnels réels. Ceci pourrait être dû au fait que le modèle ne tient pas compte des différences entre fourmis.

  4. 4.

    Le modèle n'a pu reproduire les embranchements des tunnels deL. niger, ni les dédoublements de ceux deF. lemani.

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References

  • Sokal (R. R.) andRohlf (F. J.), 1969. — Biometry. The principles and practice of statistics in biological research.W. H. Freeman and Co., Publ., San Francisco, 776 p.

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  • Sudd (J. H.), 1967. — An introduction to the behaviour of ants.Edward Arnold, Publ., London, 200 p.—Sudd (J. H.), 1969a. The excavation of soil by ants.Zeits Tierpsychol., 26, 257–276. —Sudd (J. H.), 1969b. The selective removal of soil particles by ants.Nigerian ent. Mag., 1, 122–124.—Sudd (J. H.), 1971a. Specific patterns of excavation in ants.Ins. Soc., 17, 253–260.—Sudd (J. H.), 1971b. The response of isolated digging worker ants to tunnels.Ins. soc., 17, 261–272. —Sudd (J. H.), 1971c. The effect of tunnel depth and of working in pairs on the speed of excavation in ants (Formica lemani Bondroit).Anim. Behav., 19, 677–686.—Sudd (J. H.), 1972a. The response of digging ants to gravity.Ins. Soc., 19, 243–250.—Sudd (J. H.), 1972b. The absence of social enhancement of digging in pairs of ants (Formica lemani Bondroit).Anim. Behav., 20, 813–819.

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Sudd, J.H. A model of digging behaviour and tunnel production in ants. Ins. Soc 22, 225–235 (1975). https://doi.org/10.1007/BF02223433

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  • DOI: https://doi.org/10.1007/BF02223433

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