The effects of seasonality on discrete models of population growth

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Abstract

The effects of seasonality on the dynamics of a bivoltine population with discrete, nonoverlapping generations are examined. It is found that large seasonality is inevitably destabilizing but that mild seasonality may have a pronounced stabilizing effect. Seasonality also allows for the coexistence of alternative stable states (equilibria, cycles, chaos). These solutions may be seasonally in-phase, out-of-phase, or asynchronous. In-phase solutions correspond to winter regulation of population density, whereas out-of-phase solutions correspond to summer regulation. Analysis suggests that summer regulation is possible only in mildly seasonal habitats.

Original languageEnglish (US)
Pages (from-to)340-360
Number of pages21
JournalTheoretical Population Biology
Volume26
Issue number3
DOIs
StatePublished - 1984

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Population Growth
seasonality
population growth
summer
Population Density
Ecosystem
chaotic dynamics
population density
coexistence
winter
habitats
Population
effect
habitat
regulation

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Ecology, Evolution, Behavior and Systematics

Cite this

The effects of seasonality on discrete models of population growth. / Kot, M.; Schaffer, William M.

In: Theoretical Population Biology, Vol. 26, No. 3, 1984, p. 340-360.

Research output: Contribution to journalArticle

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