Fig. 5From: Black carbon in urban soils: land use and climate drive variation at the surfaceNon-parametric correlations between soil black carbon (BC) and mean annual soil temperature (left) and mean annual precipitation (right) in urban soils at 0–10 cm and 10–20 cm depths. *p < 0.05, **p < 0.01, ***p < 0.001Back to article page