Figure 1
From: Pleistocene colonization of afro-alpine ‘sky islands’ by the arctic-alpine Arabis alpina
Map of the study area and cpDNA haplotype network. For each mountain massif, a pie diagram shows the observed haplotypes. The colours in the diagram correspond to the colours of the haplotypes in the network. The area shaded in grey indicates mountains and highlands. The thick dark-grey lines show the Great Rift Valley. On the haplotype network, the three different lineages are indicated. The size of the haplotypes is drawn proportional to their frequencies. Thick lines represent substitutions, thin lines insertions or deletions and small circles hypothetical intermediate haplotypes. The European lineage is represented in a simplified way and haplotypes not observed in Africa are plotted in white.
