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A Three Stage Population Model with Cannibalism by H.D. Landahl; B.D. Hansen is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is A Three Stage Population Model with Cannibalism about?

A simple population model consisting of one adult and two larval stages with cannibalism or competition among the larval stages is presented. The solutions are found to be either periodic or of a steady state nature depending on the ratios of fertility and cannibalism among the larvae. Two similar cannibalism pressure functions are compared and the conditions that lead to steady or periodic solutions, or to extinction, are examined. Studies of ecological communities require various assumptions concerning the number of species that make up the community, their interrelationships, abundances, and spatial distributions. In m a n y studies, the definition of the investigators community is determined by convenience and intuition (Pielou, 1969) which is based, among other things, on the investigators experience with the individual species. In this note we examine the simplest prototype of a single species population (e.g., insects) t h a t consists of adults and several larval stages where a weighted cannibalism exists among the larval stages. Even in this simple system rather complicated solutions arise that would not be intuitively obvious a l~riori. It is hoped that the system may giv

Who reads A Three Stage Population Model with Cannibalism?

Author

H.D. Landahl; B.D. Hansen

Publisher

Springer; Springer-Verlag; Springer New York LLC; Mathematical Biology, Inc; Springer Science and Business Media LLC; Society for Mining, Metallurgy and Exploration Inc. (ISSN 1522-9602)

Published

1975

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)