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28 lis 2019 · For PCA, the components and their loadings provide an approximation to the genetic distance matrix between individuals. We use the median PCA values of individuals across two, ten, or 100 PC components to produce an expected genetic distance matrix between populations.
24 maj 2017 · In this paper, we propose a simulation approach in order to compare the respective performances of three genetic distances, FST * (using θ and other related FST estimators), DCSE and DSA, in ...
This chapter introduces some of the methodologies used in estimating genetic distances, how we analyze them, and how we portray our results in a graphical fashion amenable for interpretation. Underlying most estimates of genetic distance are sets of geometric and/or evolutionary assumptions.
Here we investigate general patterns of gene flow across environments versus geographic distance through a literature review of empirical studies that have examined patterns in putatively neutral genetic markers across environments.
2 sie 2018 · Overall, we calculate and compare measures of resistance distances based on idealized, historical, and contemporary forest composition to provide a more rigorous assessment of the effects of landscape structure on genetic differentiation patterns in Northern Spotted Owls.
7 maj 2013 · As expected, we have seen both strong consistency between these measures and IBD (e.g., the decay with geographic distance), as well as distinct patterns (e.g., higher sharing in eastern Europe).
7 sie 2018 · Our combined analyses indicate geographic distance has a greater influence on genetic differentiation than habitat discontinuities, although both of these factors explained a relatively low...
