Table 1.

Correlation coefficients between log transformed gene quantities and soil parameters

ParameteraPearson coefficient (r) forb:
Total bacterial 16S rRNA gene copies%G1G3
%G1G3−0.676
Moisture0.409−0.336
pH−0.2390.181
N0.307−0.020
C0.295−0.038
C/N0.049−0.144
PO4−0.0150.032
PlantH0.357−0.082
  • a Gemmatimonadetes 16S rRNA gene quantities (%G1G3) are normalized to total 16S quantities. C/N, carbon-to-nitrogen ratio; PlantH, Shannon diversity of noncrop plants.

  • b The significance of each correlation is indicated by italics (P < 0.05) and bold (P < 0.01) (n = 77).