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1 gru 2010 · The geographic distance matrix contains the straight line distances among all sampling locations. By contrast, the landscape distance matrix varies and can contain the length, area or percentage of cover of landscape elements, such as ditches, wetlands or woodlands in corridors of a certain width between pairs of sampling locations.
8 lip 2020 · This matches predictions that isolation by distance should break down with increasing geographic distance as dispersal processes change and as different geographic genetic clusters mix.
11 lis 2020 · Genetic distance matrices can be based on a variety of measures calculated from nuclear or cytoplasmic genetic markers. This approach permits robust tests of specific hypotheses about the influence of landscape features on effective dispersal patterns.
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.
geographic distance. Rates of effective dispersal are lower in areas of high plant habitat quality, which may be due to the effects of the shape of the dispersal kernel or to movement behaviors of biotic vectors. Landscape genetic studies in plants have the potential to provide novel insights into the process of gene
17 kwi 2019 · To test correlations between site-by-site genetic distance matrix and its predictive factors, we used Generalised Dissimilarity Modelling (GDM).
Distance matrices are used in phylogeny as non-parametric distance methods and were originally applied to phenetic data using a matrix of pairwise distances. These distances are then reconciled to produce a tree (a phylogram, with informative branch lengths).
