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Table 2 Pearson’s correlation coefficient relating to phenanthrene and the relative abundance of bacterial groups at class and genus level, respectively

From: Earthworms and rice straw enhanced soil bacterial diversity and promoted the degradation of phenanthrene

Classification level Bacterial group Percentage Person’s correlation coefficient
Class Gamma-proteobacteria 30 r2 = − 0.81, p < 0.01
Alpha-proteobacteria 15 r2 = − 0.74, p < 0.01
Sphingobacteria 25 r2 = − 0.56, p < 0.05
Actinobacter 20 r2 = − 0.52, p < 0.05
Gemmatimonadetes 12 r2 = − 0.61, p < 0.05
Flavobacteria 7 r2 = − 0.581, p < 0.05
Cytophagia 7 r2 = − 0.54, p < 0.05
Genera Sphingomonas 34.7 r2 = − 0.68, p < 0.05
Luteimonas 24.63 r2 = − 0.87, p < 0.01
Rhodanobacter 21.34 r2 = − 0.75, p < 0.01
Gemmatimonas 15.65 r2 = − 0.63, p < 0.05
Pseudomonas 9.8 r2 = − 0.93, p < 0.01
Flavobacterium 9.43 r2 = − 0.54, p < 0.05
Leifsonia 8.98 r2 = − 0.56, p < 0.05