Complex dynamics of the population with a simple age structure

被引：21

作者：

Frisman, E. Y. ^{[1
]}

Neverova, G. P. ^{[1
]}

Revutskaya, O. L. ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Complex Anal Reg Problems, Far Easten Branch, Birobidjan 679016, Russia

来源：

ECOLOGICAL MODELLING | 2011年 / 222卷 / 12期

关键词：

Population model; Discrete-time model; Nonlinear system; Age structure; Density-dependent factors; Stability; Bifurcations; Chaos; FARMLAND BIRDS; MODELS; TRENDS; ABUNDANCE; PATTERNS; CYCLES;

D O I：

10.1016/j.ecolmodel.2011.03.043

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

The effects of the following modes of density-dependent control of population growth: density-dependent birth rate, adult survival rate, juvenile survival rate are compared based on the mathematical model of population dynamics. It is shown that the most efficient mechanisms limiting population size are decreasing with the growth of the adult population birth rate and/or the decreasing survival rate of the offspring with the increase in their number. However, these same mechanisms are responsible for oscillations of the population size and its chaotic change. The density-dependence of the adult survival rate is not efficient in constraining the population growth, but it can substantially limit the magnitude of oscillations of the population size. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：1943 / 1950

页数：8

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