Figure 1. Soil organic carbon storage within each 20(summed median values are displayed in text boxes, values in parenthesis are total 25^th and 75^th percentiles), beneath Quercus robur (n = 12), Fraxinus excelsior (n = 11), Acer spp. (n = 12), mixed woodland (n = 8) and grassland (n = 15) by depth class.

The horizontal line within the box indicates median, box boundaries indicate 25^th and 75^th percentiles, whiskers indicate highest and lowest values, horizontal lines above or below whiskers indicate outliers.