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. 2016 Mar 1;6:22411. doi: 10.1038/srep22411

Figure 1. Soil carbon density in 0–5, 5–10 and 10–20 cm soil layers in plots of contrasting forest types and stand age classes.

Figure 1

Error bars represent 1 SE (n = 3). Different letters above the error bars indicate significant differences among forest types/stand age classes within given soil layers (P < 0.05).