Structured population models: a tool for linking individual and population levels in ecology

R.M. Nisbet, William Gurney, W.W. Murdoch, E. McCauley

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Abstract

We address the problem of relating information on the effects of a particular stress on individuals to possible effects at the population level. Structured population models aim to predict population dynamics from a careful specification of the dynamics of individuals; however, in spite of major mathematical advances, there are only a few cases where such models have made significant contributions to ecological understanding. This paper reports progress to date on a project in which we construct both individual and population models of Daphnia. We present a model of individual growth and development which has been tested against results from several laboratories on D. pulex. We propose a simple, stage-structured population model and give a preliminary report of some of its properties.
Original languageEnglish
Pages (from-to)79-99
Number of pages21
JournalBiological Journal of the Linnean Society
Volume37
Issue number1-2
DOIs
Publication statusPublished - Jun 1989

Keywords

  • Structured population model
  • population dynamics
  • Daphnia energy allocation
  • population cycles

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