FINAL STATE OF ECOSYSTEM CONTAINING GRASS, SHEEP AND WOLVES WITH AGING

Mingfeng He (), Qiu-Hui Pan and Shuang Wang ()
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Mingfeng He: Department of Applied Mathematics, Dalian University of Technology, Institute of University Students' Innovation, Dalian University of Technology, Dalian, 116024, China
Qiu-Hui Pan: Institute of University Students' Innovation, Dalian University of Technology, Department of Applied Physics, Dalian University of Technology, Dalian, 116024, China
Shuang Wang: Institute of University Students' Innovation, Dalian University of Technology, Department of Applied Physics, Dalian University of Technology, Dalian, 116024, China

International Journal of Modern Physics C (IJMPC), 2005, vol. 16, issue 01, 177-190

Abstract: This paper describes a cellular automata model containing movable wolves, sheep and reproducible grass. Each wolf or sheep is characterized by Penna bitstrings. In addition, we introduce the energy rule and the predator–prey mechanism for wolf and sheep. With considering age-structured, genetic strings, minimum reproduction age, cycle of the reproduction, number of offspring, we get three possible states of a predator–prey system: the coexisting one with predators and prey, the absorbing one with prey only, and the empty one where no animal survived. In this paper, we mainly discuss the effect of the number of poor genes, the energy supply (food), the minimum reproduction age, the reproductive cycle and the birth rate on the above three possible final states.

Keywords: Predator–prey; evolution; cellular automata; coexistence and perdition (search for similar items in EconPapers)
Date: 2005
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DOI: 10.1142/S0129183105007017

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