Conditional reproductive strategies under variable environmental conditions

Show full item record



Permalink

http://hdl.handle.net/10138/225729

Citation

Gyllenberg , M , Hanski , I & Lindstrom , T 2017 , ' Conditional reproductive strategies under variable environmental conditions ' , Annales Zoologici Fennici , vol. 54 , no. 1-4 , pp. 193-204 . https://doi.org/10.5735/086.054.0117

Title: Conditional reproductive strategies under variable environmental conditions
Author: Gyllenberg, Mats; Hanski, Ilkka; Lindstrom, Torsten
Contributor organization: Department of Mathematics and Statistics
Biosciences
Date: 2017-04
Language: eng
Number of pages: 12
Belongs to series: Annales Zoologici Fennici
ISSN: 0003-455X
DOI: https://doi.org/10.5735/086.054.0117
URI: http://hdl.handle.net/10138/225729
Abstract: Within the framework of adaptive dynamics we consider the evolution by natural selection of reproductive strategies in which individuals may adjust their reproductive behaviour in response to changing environmental conditions. As a specific example we considered a discrete-time model in which possible fluctuations in the environmental conditions are caused by predator-prey interaction. Our main findings include: (1) Coexistence between two fixed strategies (i.e., strategies that do not adjust to changing environmental conditions) is impossible; there exists a best fixed strategy, which invades and ousts all other fixed strategies. (2) A necessary condition for conditional (adjustable) strategies to evolve is that there are fluctuations in the environmental conditions. Predator-prey interactions may cause such fluctuations and under natural assumptions there exists an optimal conditional strategy which is uninvadable and invades and ousts all other strategies.
Subject: STRUCTURED POPULATION-MODELS
ADAPTIVE DYNAMICS
COEXISTENCE
SELECTION
1181 Ecology, evolutionary biology
111 Mathematics
Peer reviewed: Yes
Rights: cc_by
Usage restriction: openAccess
Self-archived version: publishedVersion


Files in this item

Total number of downloads: Loading...

Files Size Format View
anzf54_193_204.pdf 1.164Mb PDF View/Open

This item appears in the following Collection(s)

Show full item record