Figure 5
Redundancy analyses (RDA) between the soil enzyme activities and environmental factors. Inv: invertase; URA: urease activity; NARA: nitrate reductase activity; NIRA: nitrite reductase activity; S1: bacterial PLFA content; S2: fungal PLFA content; S3: Gram-positive bacteria; S4: Gram-negative bacteria; S5: the ratio of fungi to bacteria; S6: the ratio of Gram-positive bacteria to Gram-negative bacteria; S7: macrofaunas/predators; S8: macrofaunas/phytophages; S9: macrofaunas/fungivores; S10: macrofaunas/saprophytes; S11: mesofaunas and microfaunas/predators; S12: mesofaunas and microfaunas/phytophages; S13: mesofaunas and microfaunas/fungivores; S14: mesofaunas and microfaunas/saprophytes; S15: macrofauna density; S16: mesofauna and microfauna density; S17: macrofauna groups; S18: mesofauna and microfauna groups.
