Figure 3

The ordination of different variables using multiple factor analysis (MFA) per transect (0.05 ha) along the elevational gradient.
The variables that used in priori structural equation model (SEM) are marked with dark arrows. TN, total nitrogen; AN, available nitrogen; AP, available phosphorus; AK, available potassium; SOM, soil organic matter; SWC, soil water content; T_BA, tree basal area; tabun, trees abundance; meanh, mean height of trees; MAT, mean annual temperature; RH, relative humidity.