Fig. 4
Robustness of population genomic estimates to contamination-aware single-nucleotide polymorphism (SNP) calling. a Synonymous diversity πS; b ratio of non-synonymous to synonymous diversity, πN/πS; c FIT; d Tajima’s D, synonymous SNPs only. Each dot represents a species. x-axis: estimates obtained assuming no contamination. y-axis: estimates obtained from contamination-aware SNP calling. Black dots: γ = 0.05; blue dots: γ = 0.1; red dots: γ = 0.2 synonymous diversity πS; top right: πN/πS ratio; bottom left: FIT; bottom right: Tajima’s D, synonymous SNP’s only