Evolutionary branching of dispersal strategies in structured metapopulations

Parvinen, K. ORCID: https://orcid.org/0000-0001-9125-6041 (2002). Evolutionary branching of dispersal strategies in structured metapopulations. Journal of Mathematical Biology 45 (2) 106-124. 10.1007/s002850200150.

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Dispersal polymorphism and evolutionary branching of dispersal strategies has been found in several metapopulation models. The mechanism behind those findings has been temporal variation caused by cyclic or chaotic local dynamics, or temporally and spatially varying carrying capacities. We present a new mechanism: spatial heterogeneity in the sense of different patch types with sufficient proportions, and temporal variation caused by catastrophes. The model where this occurs is a generalization of the model by Gyllenberg and Metz (2001). Their model is a size-structured metapopulation model with infinitely many identical patches. We present a generalized version of their metapopulation model allowing for different types of patches. In structured population models, defining and computing fitness in polymorphic situations is, in general, difficult. We present an efficient method, which can be applied also to other structured population or metapopulation models.

Item Type: Article
Research Programs: Adaptive Dynamics Network (ADN)
Bibliographic Reference: Journal of Mathematical Biology; 45(2):106-124 (August 2002) (Published online 17 July 2002)
Depositing User: IIASA Import
Date Deposited: 15 Jan 2016 02:14
Last Modified: 27 Aug 2021 17:17
URI: https://pure.iiasa.ac.at/6588

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