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Open Access item Evolutionary and Ecological Trees and Networks

Authors:Hernández-García, Emilio
Herrada, E. Alejandro
Rozenfeld, Alejandro F.
Tessone, Claudio J.
Eguíluz, Víctor M.
Duarte, Carlos M.
Arnaud-Haond, Sophie
Serrão, Ester A.
Keywords:Complex networks, Phylogenies, Tree of Life, Population structure, Genetic similarity, Posidonia oceanica
Issue Date:3-May-2007
Publisher:American Institute of Physics
Citation:Nonequilibrium Statistical Mechanics And Nonlinear Physics: XV Conference on Nonequilibrium Statistical Mechanics and Nonlinear Physics AIP Conf. Proc. 913, 78-83 (2007)
Abstract:Evolutionary relationships between species are usually represented in phylogenies, i.e. evolutionary trees, which are a type of networks. The terminal nodes of these trees represent species, which are made of individuals and populations among which gene flow occurs. This flow can be represented as a network. In this paper we briefly show some properties of these complex networks of evolutionary and ecological relationships. First, we characterize large scale evolutionary relationships in the Tree of Life by a degree distribution. Second, we represent genetic relationships between individuals of a Mediterranean marine plant, Posidonia oceanica in terms of a Minimum Spanning Tree. Finally, relationships among plant shoots inside populations are represented as networks of genetic similarity.
Description:ArXiv pre-print: http://arxiv.org/abs/q-bio/0703067.
Original proceeding available at AIP site: http://dx.doi.org/10.1063/1.2746728.-- Also available from Springer: http://www.springer.com/physics/book/978-0-7354-0421-2.
Publisher version (URL):http://dx.doi.org/10.1063/1.2746728
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