The interpretation of selection coefficients

N.H. Barton, M. Servedio, Evolution 69 (2015) 1101–1112.

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Journal Article | Published | English
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Abstract
Evolutionary biologists have an array of powerful theoretical techniques that can accurately predict changes in the genetic composition of populations. Changes in gene frequencies and genetic associations between loci can be tracked as they respond to a wide variety of evolutionary forces. However, it is often less clear how to decompose these various forces into components that accurately reflect the underlying biology. Here, we present several issues that arise in the definition and interpretation of selection and selection coefficients, focusing on insights gained through the examination of selection coefficients in multilocus notation. Using this notation, we discuss how its flexibility-which allows different biological units to be identified as targets of selection-is reflected in the interpretation of the coefficients that the notation generates. In many situations, it can be difficult to agree on whether loci can be considered to be under "direct" versus "indirect" selection, or to quantify this selection. We present arguments for what the terms direct and indirect selection might best encompass, considering a range of issues, from viability and sexual selection to kin selection. We show how multilocus notation can discriminate between direct and indirect selection, and describe when it can do so.
Publishing Year
Date Published
2015-03-19
Journal Title
Evolution
Volume
69
Issue
5
Page
1101 - 1112
IST-REx-ID

Cite this

Barton NH, Servedio M. The interpretation of selection coefficients. Evolution. 2015;69(5):1101-1112. doi:10.1111/evo.12641
Barton, N. H., & Servedio, M. (2015). The interpretation of selection coefficients. Evolution, 69(5), 1101–1112. https://doi.org/10.1111/evo.12641
Barton, Nicholas H, and Maria Servedio. “The Interpretation of Selection Coefficients.” Evolution 69, no. 5 (2015): 1101–12. https://doi.org/10.1111/evo.12641.
N. H. Barton and M. Servedio, “The interpretation of selection coefficients,” Evolution, vol. 69, no. 5, pp. 1101–1112, 2015.
Barton NH, Servedio M. 2015. The interpretation of selection coefficients. Evolution. 69(5), 1101–1112.
Barton, Nicholas H., and Maria Servedio. “The Interpretation of Selection Coefficients.” Evolution, vol. 69, no. 5, Wiley, 2015, pp. 1101–12, doi:10.1111/evo.12641.
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