highly significantp < 0.001
marginally significantp = 0.016
In the pRDA, the significance of RDA1 to RDA4 was confirmed through ANOVA ( p < 0.05), with RDA1 and RDA2 being highly significant ( p < 0.001), RDA3 significant ( p < 0.01) and RDA4 marginally significant ( p = 0.016) (Supplementary Data 8 ).