Effects of growth rates in models of size distribution formation in plants and animals

D. L. DeAngelis, M. A. Huston

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Size is critical in the life cycles of many organisms. In organisms like plants, fish, and numerous invertebrates, where growth rates are highly variable, even-aged cohorts may develop broad size distributions. A description of such distributions is provided by the Von Foerster equation (also called the Sinko and Streifer equation). Using mathematical methods developed for solving analogous equations in physics, one can obtain analytical results for a variety of assumptions concerning organism growth rates. Two general properties of growth rates are considered: (a) the functional form of the dependence of the individual organism's growth rate on time and organism size, and (b) the variation in growth rate magnitude across members of the cohort. Special cases of each of these properties are considered and applied to different phenomena related to the development of size distributions in animal and plant population cohorts.

Original languageEnglish
Pages (from-to)119-137
Number of pages19
JournalEcological Modelling
Volume36
Issue number1-2
DOIs
StatePublished - Jan 1 1987

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animal
organisms
animals
general property
physics
numerical method
life cycle (organisms)
life cycle
invertebrate
invertebrates
effect
organism
fish
methodology
animal population
distribution
plant population

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecological Modeling
  • Ecology

Cite this

Effects of growth rates in models of size distribution formation in plants and animals. / DeAngelis, D. L.; Huston, M. A.

In: Ecological Modelling, Vol. 36, No. 1-2, 01.01.1987, p. 119-137.

Research output: Contribution to journalArticle

DeAngelis, D. L. ; Huston, M. A. / Effects of growth rates in models of size distribution formation in plants and animals. In: Ecological Modelling. 1987 ; Vol. 36, No. 1-2. pp. 119-137.
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