highly significantP − value < 2.2 × 10 − 16
The investigation into the relationship between the effect sizes of ASVs and their respective taxonomic groups revealed highly significant results (Kruskal–Wallis test, P − value < 2.2 × 10 − 16 ) for both N conditions on all three days, suggesting a disproportionate enrichment of large effect ASVs within certain taxonomic groups.