Fig. 5From: Temporal changes of fine root overyielding and foraging strategies in planted monoculture and mixed forestsComparisons of specific root length for live fine root of Pinus massoniana and Cinnamomum camphora in pure and mixed stands at the age of 10, 24 and 45 years. Error bars indicate standard errors. Asterisks indicate significant differences between pure and mixed stands for the specific species within the same age stages (P < 0.05)Back to article page