Coevolution of dispersal-related traits : modelling and analysis

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http://urn.fi/URN:ISBN:978-951-51-3004-4
Title: Coevolution of dispersal-related traits : modelling and analysis
Author: Weigang, Helene Camilla
Contributor organization: University of Helsinki, Faculty of Science, Department of Mathematics and Statistics
Helsingin yliopisto, matemaattis-luonnontieteellinen tiedekunta, matematiikan ja tilastotieteen laitos
Helsingfors universitet, matematisk-naturvetenskapliga fakulteten, institutionen för matematik och statistik
Publisher: Helsingin yliopisto
Date: 2017-03-23
Language: eng
URI: http://urn.fi/URN:ISBN:978-951-51-3004-4
http://hdl.handle.net/10138/176309
Thesis level: Doctoral dissertation (article-based)
Abstract: This thesis theoretically investigates dispersal evolution in a wider ecological context. It factors in ecological relevant dependencies e.g. trade-offs or spatial heterogeneity, and allows coevolutionary interactions between immigration and other traits. It extends well-known models to include more biological realism, reveals novel evolutionary mechanisms and helps to understand the complex dispersal patterns more accurately. In particular, this work studies the evolution of dispersal, i.e., natal emigration when it is under a trade-off with fecundity. Furthermore, dispersal is divided into its three phases and hence studied as emigration, transfer and immigration. Emigration and immigration are made dependent on the local conditions experienced by the individuals: the patch types. The coevolution of patch-type dependent immigration is investigated alone, but also the coevolution of patch-type dependent immigration and patch-type dependent emigration or local adaptation is studied. The evolutionary framework was chosen to be adaptive dynamics, a way of describing the long-term evolutionary outcomes of single populations that can lead to evolutionary diversification of strategies.
Subject: mathematics
Rights: Julkaisu on tekijänoikeussäännösten alainen. Teosta voi lukea ja tulostaa henkilökohtaista käyttöä varten. Käyttö kaupallisiin tarkoituksiin on kielletty.


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