OVERLAPPING GENERATIONS CAN PROMOTE ALTRUISTIC BEHAVIOR

Peter D. Taylor; Andrew J. Irwin

doi:10.1554/0014-3820(2000)054[1135:OGCPAB]2.0.CO;2

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Peter D. Taylor,¹ Andrew J. Irwin²

¹Department of Mathematics and Statistics, Queen's University, Kingston Ontario K7L 3N6, Canada, taylorp@post.queensu.ca
²Department of Mathematics and Statistics, Queen's University, Kingston Ontario K7L 3N6, Canada

Abstract

We use an inclusive fitness model to study the evolution of altruism in a patch-structured population in which there is positive probability of breeder survival from one generation to the next. We find first that breeder survival promotes altruism and second that there is a marked difference between benefits of fecundity and benefits of survival. Under the first altruism is more strongly favored, and under the second altruism is less strongly favored than in a randomly mixing population.

Corresponding Editor: L. Stevens

Citation Download Citation

Peter D. Taylor and Andrew J. Irwin "OVERLAPPING GENERATIONS CAN PROMOTE ALTRUISTIC BEHAVIOR," Evolution 54(4), 1135-1141, (1 August 2000). https://doi.org/10.1554/0014-3820(2000)054[1135:OGCPAB]2.0.CO;2

Received: 2 July 1999; Accepted: 1 February 2000; Published: 1 August 2000