Asymmetrical effect of migration on a prey-predator model

Koshi Kitamura, Kyohei Kashiwagi, Kei ichi Tainaka, Taro Hayashi, Jin Yoshimura, Takahisa Kawai, Tsuyoshi Kajiwara

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

We present a lattice model, where prey and predator randomly walk with different rates. Computer simulations explain the asymmetrical effect: predators more frequently migrate than preys. Moreover, we find that the aggregation of species is promoted by diffusion process.

Original languageEnglish
Pages (from-to)213-217
Number of pages5
JournalPhysics Letters A
Volume357
Issue number3
DOIs
Publication statusPublished - Sep 11 2006

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predators
computerized simulation

Keywords

  • Clumping degree
  • Exclude volume effect
  • Lattice Lotka-Volterra model
  • Prey-predator system
  • Random walk

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Kitamura, K., Kashiwagi, K., Tainaka, K. I., Hayashi, T., Yoshimura, J., Kawai, T., & Kajiwara, T. (2006). Asymmetrical effect of migration on a prey-predator model. Physics Letters A, 357(3), 213-217. https://doi.org/10.1016/j.physleta.2006.04.067

Asymmetrical effect of migration on a prey-predator model. / Kitamura, Koshi; Kashiwagi, Kyohei; Tainaka, Kei ichi; Hayashi, Taro; Yoshimura, Jin; Kawai, Takahisa; Kajiwara, Tsuyoshi.

In: Physics Letters A, Vol. 357, No. 3, 11.09.2006, p. 213-217.

Research output: Contribution to journalArticle

Kitamura, K, Kashiwagi, K, Tainaka, KI, Hayashi, T, Yoshimura, J, Kawai, T & Kajiwara, T 2006, 'Asymmetrical effect of migration on a prey-predator model', Physics Letters A, vol. 357, no. 3, pp. 213-217. https://doi.org/10.1016/j.physleta.2006.04.067
Kitamura K, Kashiwagi K, Tainaka KI, Hayashi T, Yoshimura J, Kawai T et al. Asymmetrical effect of migration on a prey-predator model. Physics Letters A. 2006 Sep 11;357(3):213-217. https://doi.org/10.1016/j.physleta.2006.04.067
Kitamura, Koshi ; Kashiwagi, Kyohei ; Tainaka, Kei ichi ; Hayashi, Taro ; Yoshimura, Jin ; Kawai, Takahisa ; Kajiwara, Tsuyoshi. / Asymmetrical effect of migration on a prey-predator model. In: Physics Letters A. 2006 ; Vol. 357, No. 3. pp. 213-217.
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