PMID: 11327154May 1, 2001Paper

Population mixing and the adaptive divergence of quantitative traits in discrete populations: a theoretical framework for empirical tests

Evolution; International Journal of Organic Evolution
Andrew P HendryEric B Taylor

Abstract

Empirical tests for the importance of population mixing in constraining adaptive divergence have not been well grounded in theory for quantitative traits in spatially discrete populations. We develop quantitative-genetic models to examine the equilibrium difference between two populations that are experiencing different selective regimes and exchanging individuals. These models demonstrate that adaptive divergence is negatively correlated with the rate of population mixing (m, most strongly so when m is low), positively correlated with the difference in phenotypic optima between populations, and positively correlated with the amount of additive genetic variance (G, most strongly so when G is low). The approach to equilibrium is quite rapid (fewer than 50 generations for two populations to evolve 90% of the distance to equilibrium) when either heritability or mixing are not too low (h2 > 0.2 or m > 0.05). The theory can be used to aid empirical tests that: (1) compare observed divergence to that predicted using estimates of population mixing, additive genetic variance/covariance, and selection; (2) test for a negative correlation between population mixing and adaptive divergence across multiple independent population pairs; and ...Continue Reading

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Citations

Apr 3, 2004·Proceedings. Biological Sciences·Andrew P HendryJohn K Wenburg
Nov 26, 2004·Evolution; International Journal of Organic Evolution·Andrew P Hendry, Eric B Taylor
Jan 16, 2009·Molecular Ecology·Patrik NosilDaniel Ortiz-Barrientos
Jul 22, 2009·Evolution; International Journal of Organic Evolution·Sam Yeaman, Frédéric Guillaume
Nov 3, 2009·Molecular Ecology·Fabrice EroukhmanoffErik I Svensson
May 28, 2011·Ecology Letters·Mark C Urban
Feb 16, 2012·Molecular Ecology·Valérie Le Corre, Antoine Kremer
Oct 31, 2012·Evolution; International Journal of Organic Evolution·Jisca Huisman, Jarle Tufto
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Oct 12, 2013·Evolution; International Journal of Organic Evolution·Reut Berger-TalTrine Bilde
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Mar 29, 2014·BMC Evolutionary Biology·Lizelle J OdendaalJacqueline M Bishop
Aug 29, 2014·AoB Plants·Avik Ray, Rajasri Ray
Jan 30, 2015·Proceedings. Biological Sciences·Ailene MacPhersonScott L Nuismer
Jul 30, 2015·Evolution; International Journal of Organic Evolution·Gregor RolshausenAndrew P Hendry
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