Fig. 2

Location map and Bayesian analysis of the genetic structure of 810 individuals from 46 sampled populations of J. grex phoenicea. a Mean estimated log-normal (Ln) probability of the data in relation to the simulated number of clusters K. Vertical bars indicate the standard deviation among 10 replicates. b Delta K in relation to number of clusters K. c Plot showing the membership of individuals for five predefined clusters with c1, Structure and c2, BAPS. Number of populations are listed in Table 1. d Mediterranean populations. e Canarian populations. Rectangular bars represent the mean proportion of membership of each population to the predefined K = 5 clusters with Structure. Dotted lines separate populations belonging to each of the predefined clusters. f Geographic location of 46 sampled populations. Red circles, J. phoenicea, green circles, Mediterranean populations of J. turbinata, blue circles, Canarian populations of J. turbinata