Table 4.

Correlation coefficients (R²) for the relationships among soil CH₄ and N₂O fluxes, soil ammonia-oxidizers, soil NO₃ ⁻-N and NH₄ ⁺-N concentrations.

	CH4	N2O	AOA	AOB
AOA	0.24	0.43(−)*
AOB	0.04	0.06	—	—
NO3 −-N	0.45(−)*	0.65(+)**	0.59(−)**	0.07
NH4 +-N	0.04	0.18	0.02	0.01

Note: Significance: *P < 0.05; **P < 0.01. For all correlations, n = 12. (+), positive relationship; (−), negative relationship.