Figure 2

Polymorphism patterns among the four spruce species. Bars represent the median, boxes the interquartile range and whiskers extend out to 1.5-times the interquartile range. (a) Number of segregating sites, (b) Pairwise nucleotide diversity, (c) Watterson’s θ, (d) Population recombination rate (ρ), (e) Tajima’s D, and (f) Fay and Wu’s H.