Theoretical limits to the correlation between pelagic larval duration and population genetic structure

Molecular Ecology
Søren Faurby, Paul H Barber

Abstract

Increasing dispersal duration should result in increasing dispersal distance, facilitating higher gene flow among populations. As such, it has long been predicted that genetic structure (e.g. F(ST) ) among populations of marine species should be strongly correlated with pelagic larval duration (PLD). However, previous studies have repeatedly shown a surprisingly poor correspondence. This result has been frequently interpreted as evidence for larval behaviours or physical oceanographic processes that result in larvae failing to reach their dispersal potential, or error inherent in estimating PLD and F(ST) . This study employed a computer modelling approach to explore the impacts of various uncertainties on the correlation between measures of genetic differentiation such as F(ST) and PLD. Results indicate that variation resulting from PLD estimation error had minor impacts on the correlation between genetic structure and PLD. However, variation in effective population size between species, errors in F(ST) estimation and non-equilibrium F(ST) values all had major impacts, resulting in dramatically weaker correlations between PLD and F(ST) . These results suggest that poor correlations between PLD and F(ST) may result from variatio...Continue Reading

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Citations

Apr 19, 2013·Proceedings. Biological Sciences·Michelle R GaitherRobert J Toonen
Dec 5, 2015·Evolution; International Journal of Organic Evolution·Ryan A Ellingson, Patrick J Krug
Oct 15, 2013·Molecular Ecology·Giacomo Bernardi
Oct 12, 2012·Molecular Ecology·Eric D CrandallPaul H Barber
May 29, 2014·Molecular Ecology·Kimberly A SelkoeUNKNOWN ToBo Laboratory
Oct 27, 2017·PloS One·Joshua A Drew, Kathryn L Amatangelo
Dec 1, 2017·Ecology and Evolution·Quentin JossartBruno David
Aug 18, 2020·The Journal of Heredity·Kimberly R AndrewsBrian W Bowen
Feb 26, 2019·Ecology and Evolution·Joseph B PfallerStuart F McDaniel
Aug 24, 2017·Molecular Ecology·M L Taylor, C N Roterman
May 5, 2021·The Science of the Total Environment·J AssisD Abecasis

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