Figure 3

Percentage of bare ground in microhighs and microlows of the key sites. Bold line is the median. Box borders represent the interquartile range (IQR) between first (Q1) and third (Q3) quartiles. Whiskers are Q1 – 1.5*IQR and Q3 + 1.5*IQR. ***, Mann–Whitney’s two-sided p-value < 0.001.