Intermittent transition between order and chaos in an insect pest population

Liebe F. Cavalieri, Huseyin Kocak

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The causes of the erratic seasonal variation in the sizes of some insect pest populations are largely unknown, but they are believed to be associated, at least in part, with environmental change. The attendant lack of predictability makes the control of insect pests difficult, resulting in substantial losses. In a model simulation study, using parameter values based on field data, it is shown that under certain conditions a population experiencing regular periodic cycles (therefore being predictable) can become chaotic (i.e. erratic) in the absence of changes in environmental factors. Moreover, after a time the population returns to regular stable cycles. The process recurs and represents an intrinsic characteristic of the system. This phenomenon, known as intermittency, occurs when certain variables have values that place the system near the transition point between order and chaos. This discovery may help explain the erratic behaviour of some insect pest population and aid in developing better biological control measures.

Original languageEnglish (US)
Pages (from-to)231-234
Number of pages4
JournalJournal of Theoretical Biology
Volume175
Issue number2
DOIs
StatePublished - 1995

Fingerprint

Chaos theory
insect pests
Insects
Chaos
Population
Place value
Biological Control
Insect Control
Cycle
Pest Control
Environmental Factors
Intermittency
Predictability
control methods
simulation models
biological control
seasonal variation
Simulation Study
Unknown
environmental factors

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Immunology and Microbiology(all)
  • Applied Mathematics
  • Modeling and Simulation
  • Statistics and Probability
  • Medicine(all)

Cite this

Intermittent transition between order and chaos in an insect pest population. / Cavalieri, Liebe F.; Kocak, Huseyin.

In: Journal of Theoretical Biology, Vol. 175, No. 2, 1995, p. 231-234.

Research output: Contribution to journalArticle

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