Figure 13 From: Negative density-distribution relationship in butterflies Distribution in relation to density of the Finnish butterflies. (d) Species are divided in three categories according the dispersal ability of the butterflies (1 = 0 – 3.33, 2 = 3.34 – 6.66 and 3 = 6.67 – 10). Note that X- and Y-axes are in log10 scale.Back to article page