Table 1. ANOVA models testing the effects of AMF and number of global change factors on ecosystem functions. AM-NM: with vs without AMF addition; A: AMF diversity levels L vs H; G: numbers GCFs levels 0, 1, or 6. Significant effects (P < 0.05) are in bold; marginal significant effects (0.05 < P < 0.1) are underlined.