Spatial Distribution and Dispersal Patterns of Central North American Freshwater Crayfish (Decapoda: Cambaridae) with Emphasis on Implications of Glacial Refugia

<div>Plot of each sample site on the first two principle components of the PCA analysis. Dark dots are sites in unglaciated habitat, while hollow dots are in glaciated habitat.</div>

International Journal of Biodiversity

fig4

Figure 4

Figure 4: Spatial Distribution and Dispersal Patterns of Central North American Freshwater Crayfish (Decapoda: Cambaridae) with Emphasis on Implications of Glacial Refugia 

Figure 4 | Spatial Distribution and Dispersal Patterns of Central North American Freshwater Crayfish (Decapoda: Cambaridae) with Emphasis on Implications of Glacial Refugia 