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Forest Ecosystems
Fig. 5 | Forest Ecosystems

Fig. 5

From: Linkage of microbial living communities and residues to soil organic carbon accumulation along a forest restoration gradient in southern China

Fig. 5

Linear regression of SOC content (A–B), total PLFAs content (C–D), total AS content (E–F) content and its contribution to SOC (G–H) against AGB and soil clay content following forest restoration. Symbols (filled circle) and (open circle) correspond to topsoil and subsoil, respectively. Solid lines depict significant linear relationships, while plots without regression lines are not linearly related (P ≥ 0.05). Abbreviations: AGB, above-ground biomass; AS, amino sugar; AS-C/SOC, the contribution of total microbial residue-C to SOC

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