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Forest Ecosystems
Fig. 2 | Forest Ecosystems

Fig. 2

From: Changes in soil organic carbon contents and fractionations of forests along a climatic gradient in China

Fig. 2

Variations in the concentrations of total SOC and physical fractions with MAT. a 0–20 cm layer; (b) 0–5 cm layer; (c) 5–10 cm layer; and (d) 10–20 cm layer. Values are averages across forest types within climatic zones. Vertical bars indicate standard errors of means (n = 3 for the cool temperate and subtropical sites, and 2 for the warm temperate sites)

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