only marginally significantP = 0.052
Permutational Multivariate Analysis of Variance (PERMANOVA) confirmed that tree genotype significantly affected overall soil enzyme activities in Alniphyllum, while genotypic diversity level played a significant role in Alniphyllum , Cinnamomum and Daphniphyllum but its effect was only marginally significant in Idesia (P = 0.052; Fig. 3 ).