Evolution of altruism in stepping-stone populations with overlapping generations

被引：69

作者：

Irwin, AJ ^{[1
]}

Taylor, PD ^{[1
]}

机构：

[1] Queens Univ, Dept Math & Stat, Kingston, ON K7L 3N6, Canada

来源：

THEORETICAL POPULATION BIOLOGY | 2001年 / 60卷 / 04期

关键词：

altruism; competition; inclusive fitness; prisoner's dilemma; overlapping generations; stepping-stone population;

D O I：

10.1006/tpbi.2001.1533

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

We study the evolution of altruism in one- and two-dimensional stepping-stone populations with discrete overlapping generations. We find that increasing survival probability facilitates the evolution of altruism, in agreement with recent results for a patch-structured population. We allow the altruistic behaviour to affect either fecundity or survival probability. In the first case, altruism is favoured compared to a randomly interacting population, but in the second case, altruism is less likely to evolve. We consider the iterated prisoner's dilemma as a description of an altruistic interaction and compare our results with recent simulations of lattice populations. (C) 2001 Elsevier Science.

引用

页码：315 / 325

页数：11

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