Figure 7 in Phylogeny, species delimitation and population structure of the steppe-inhabiting land snail genus Helicopsis in Eastern Europe

Figure 7. Relationships between Jaccard distances between individuals of Helicopsis filimargo and H. lunulata based on AFLP data and logarithmized geographical distances. Black circles and red triangles: distances between individuals belonging to H. filimargo and H. lunulata, respectively; green crosses: distances between individuals belonging to different species; black and red broken lines: regression lines fitted within species; green broken line: regression line fitted on the within-group distances only (i.e. the black circles and red triangles taken together); green solid line: regression line fitted on all distances together; blue lines: centres of the betweengroups geographical distances.