Thresholds and Trade-Offs: Fire Severity Modulates Soil Microbial Biomass-Function Coupling in Taiga Forests, Northeast of China.

Correlation Analysis of Factors Affecting Microbial Community Composition and Functioning The correlation analysis between the content of PLFAs and physicochemical factors in the soil of the burnt site ( Figure 8 ) showed that the content of bacteria, G + , G − , and total PLFAs were highly significantly positively correlated with DOC, MC, SOC, DOC, TN, AN, AK, S-SC, and S-DHA ( p < 0.01) and highly significantly negatively correlated with S-ACPT ( p < 0.01); the correlation analysis between Fu and DOC, BC, AK, and S-SC were highly significant positively correlated ( p < 0.01) and highly significant negatively correlated ( p < 0.01) with S-FDA, S-ACPT; G + /G − and Ba/Fu were highly significant positively correlated ( p < 0.01) with S-FDA, S-ACPT and highly significant negatively correlated ( p < 0.01) with S-SC, S-UE.

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