| Bivariate correlation (Pearson r coefficients) | Regression (p values) | |||
---|---|---|---|---|---|
Independent variable | Archaeal amoA ( n = 39) | Bacterial amoA ( n = 38) | Archaeal to bacterial amoA ( n = 33) | Archaeal amoA to 16S ( n = 28) | Archaeal amoA vs. bacterial amoA |
Latitude | −0.53** | 0.40* | −0.70** | −0.55** | <0.001 |
Elevation | −0.22 | 0.78** | −0.61** | −0.25 | <0.001 |
MAP | −0.13 | 0.67** | −0.48** | −0.12 | 0.004 |
MAT | 0.39* | −0.65** | 0.69** | 0.40* | <0.001 |