Fig. 3

Distance-based redundancy analysis (dbRDA) of the relationships between community composition and soil properties. High, altitude 2000 m a.s.l.; medium, altitude 1800 m a.s.l.; low, altitude 1600 m a.s.l. SOC: Soil organic carbon, MO: Moisture, TN: Total nitrogen, TP: Total phosphorus, TK: Total potassium, AN: Available nitrogen, AP: Available phosphorus, AK: Available potassium, Temperature: Soil temperature, SMBC: Soil microbial biomass carbon, SMBN: soil microbial biomass nitrogen