Pairwise correlation chart between the proportions of built-up (BU) area using radii at different spatial scales, from 50 to 3,200m. The diagonal represents the histogram of the values for each of the spatial scales, the numbers on the top right part represent the Pearson correlation values for each pairwise comparison, graphically depicted in the scatterplots in the bottom left part from Weak effect of urbanisation on bdelloid rotifers living in lichens