Phase switching in population cycles

S. M. Henson, J. M. Cushing, R. F. Costantino, B. Dennis, R. A. Desharnais

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

Oscillatory populations may exhibit a phase change in which, for example, a high-low periodic pattern switches to a low-high pattern. We propose that phase shifts correspond to stochastic jumps between basins of attraction in an appropriate phase space which associates the different phases of a periodic cycle with distinct attractors. This mechanism accounts for two-cycle phase shifts and the occurrence of asynchronous replicates in experimental cultures of Tribolium.

Original languageEnglish (US)
Pages (from-to)2229-2234
Number of pages6
JournalProceedings of the Royal Society B: Biological Sciences
Volume265
Issue number1411
DOIs
StatePublished - Nov 22 1998

Keywords

  • Basins of attraction
  • Nonlinear population dynamics
  • Periodic time-series
  • Phase switching
  • Stochasticity
  • Tribolium

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)
  • Environmental Science(all)
  • Agricultural and Biological Sciences(all)

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