*, P < 0.05; **, P < 0.01; ***,P < 0.001.
† OTU richness of mycorrhizal fungi: AM fungal OTU richness for AM trees, and ECM fungal OTU richness for ECM trees.
PC1, nutrient_PC1.
Table 5 Multiple comparisons among the estimates for arbuscular mycorrhizal (AM) and ectomycorrhizal (ECM) tree seedling performance concerning the substrates where the relationships with substrates were selected as a factor in the GLMM in Table 4.