Figure 5 Venn diagrams of the variance of ecosystem functions explained (%) by multitrophic diversity (plant diversity, bacterial diversity, fungal diversity, rodent diversity), soil environment (pH), and altitude, in which pink circles indicate multitrophic diversity, blue circles indicate soil environment, and gray circles indicate altitude: (a) water conservation; (b) soil fertility; (c) nutrition cycling and transformation; (d) community productivity; (e) ecosystem multifunctionality.