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Spatio-temporal dynamics in collective frog choruses examined by mathematical modeling and field observations.
Aihara, Ikkyu; Mizumoto, Takeshi; Otsuka, Takuma; Awano, Hiromitsu; Nagira, Kohei; Okuno, Hiroshi G; Aihara, Kazuyuki.
Afiliación
  • Aihara I; Brain Science Institute, RIKEN, Saitama 351-0198, Japan.
  • Mizumoto T; Graduate School of Informatics, Kyoto University, Kyoto 606-8501, Japan.
  • Otsuka T; Graduate School of Informatics, Kyoto University, Kyoto 606-8501, Japan.
  • Awano H; Graduate School of Informatics, Kyoto University, Kyoto 606-8501, Japan.
  • Nagira K; Graduate School of Informatics, Kyoto University, Kyoto 606-8501, Japan.
  • Okuno HG; Graduate School of Informatics, Kyoto University, Kyoto 606-8501, Japan.
  • Aihara K; Institute of Industrial Science, The University of Tokyo, Tokyo 153-8505, Japan.
Sci Rep ; 4: 3891, 2014 Jan 27.
Article en En | MEDLINE | ID: mdl-24463569
This paper reports theoretical and experimental studies on spatio-temporal dynamics in the choruses of male Japanese tree frogs. First, we theoretically model their calling times and positions as a system of coupled mobile oscillators. Numerical simulation of the model as well as calculation of the order parameters show that the spatio-temporal dynamics exhibits bistability between two-cluster antisynchronization and wavy antisynchronization, by assuming that the frogs are attracted to the edge of a simple circular breeding site. Second, we change the shape of the breeding site from the circle to rectangles including a straight line, and evaluate the stability of two-cluster and wavy antisynchronization. Numerical simulation shows that two-cluster antisynchronization is more frequently observed than wavy antisynchronization. Finally, we recorded frog choruses at an actual paddy field using our sound-imaging method. Analysis of the video demonstrated a consistent result with the aforementioned simulation: namely, two-cluster antisynchronization was more frequently realized.

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Sci Rep Año: 2014 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Reino Unido

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Sci Rep Año: 2014 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Reino Unido