Red Queen evolution by cycles of evolutionary branching and extinction

Kisdi, E., Jacobs, F.J.A., & Geritz, S.A.H. (2002). Red Queen evolution by cycles of evolutionary branching and extinction. Selection 2 (1) 161-176. 10.1556/Select.2.2001.1-2.12.

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We review mechanisms that lead to cyclic evolution with alternating levels of diversity. Such cycles involve directional evolution towards a so-called evolutionary branching point, where selection becomes disruptive and splits the population into two strategies. Coevolution of these strategies eventually leads to the extinction of one of them. The remaining strategy evolves back to the evolutionary branching point, and a new cycle begins. There are a number of different evolutionary mechanisms that can produce this kind of cycles including chance extinction, switching between population dynamical attractors, and coevolution with an ecologically distinct species. We also present an example for branching-extinction cycles where the direction of evolution changes between monomorphic and dimorphic populations solely due to the different levels of diversity. The latter cycles exhibit a novel feature: Even though extinction is deterministic in the sense that it is unavoidable and always occurs at the same trait values, it is random which of the two coexisting strategies goes extinct. As a result, long and short cycles alternate in a random sequence.

Item Type: Article
Uncontrolled Keywords: Evolutionary branching; Evolutionary branching; Adaptive dynamics; Coevolution; Evolutionary cycles; Extinction; Lotka-Volterra model; Red Queen dynamics
Research Programs: Adaptive Dynamics Network (ADN)
Bibliographic Reference: Selection; 2(1-2):161-176 (April 2002)
Depositing User: IIASA Import
Date Deposited: 15 Jan 2016 02:14
Last Modified: 27 Aug 2021 17:17

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