Figure 4From: Urban-induced changes in tree leaf litter accelerate decomposition Mass loss in the common garden litter transplant. Depending on (a) origin of leaf litter (n = 75) and (b) species (n = 30) and (c) showing intraspecific differences (n = 15). Asterisks indicate significant differences according to the Mann–Whitney tests, and different letters indicate different species’ means according to multiple mean rank comparisons.Back to article page