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Exploring the Link between Genetic Relatedness r and Social Contact Structure k in Animal Social Networks
Uppsala University, Disciplinary Domain of Science and Technology, Biology, Department of Ecology and Genetics, Evolutionary Biology.
2011 (English)In: American Naturalist, ISSN 0003-0147, E-ISSN 1537-5323, Vol. 177, no 1, 135-142 p.Article in journal (Refereed) Published
Abstract [en]

Our understanding of how cooperation can arise in a population of selfish individuals has been greatly advanced by theory. More than one approach has been used to explore the effect of population structure. Inclusive fitness theory uses genetic relatedness r to express the role of population structure. Evolutionary graph theory models the evolution of cooperation on network structures and focuses on the number of interacting partners k as a quantity of interest. Here we use empirical data from a hierarchically structured animal contact network to examine the interplay between independent, measurable proxies for these key parameters. We find strong inverse correlations between estimates of r and k over three levels of social organization, suggesting that genetic relatedness and social contact structure capture similar structural information in a real population.

Place, publisher, year, edition, pages
2011. Vol. 177, no 1, 135-142 p.
Keyword [en]
cooperation, inclusive fitness theory, evolutionary graph theory, social network, relatedness, population substructuring
National Category
Biological Sciences
URN: urn:nbn:se:uu:diva-136241DOI: 10.1086/657442ISI: 000285136700016PubMedID: 21117963OAI: oai:DiVA.org:uu-136241DiVA: diva2:376498
Available from: 2010-12-10 Created: 2010-12-10 Last updated: 2016-04-27Bibliographically approved

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Wolf, Jochen B. W.
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