Fig. 2From: Distribution of organic carbon fractions in soil aggregates in Chinese fir plantations with different stand agesSoil aggregate stability (as indicated by the MWD) in the Chinese fir plantations with different stand ages (0, 9, 17, and 26 years old). Data represent the average of 3 replicates and error bars represent the standard errors. Different lowercase letters indicate significant differences among the different stand ages. MWD, mean weight diameterBack to article page