Table 2 Model results of the generalized linear mixed model analysis with species richness (number of observed ASVs) and evenness (inverse Simpson index) as dependent variables and elevation, Palmers drought severity index (PDSI), yearly minimum (Tmin), mean (Tmean), or maximum (Tmax) temperature as explanatory variables.
Model rank | Explanatory variable | Num DF | Den DF | Richness | Evenness | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
F | P | AIC | Δi | F | p | AIC | Δi | ||||
1 | Tmax | 1 | 54 | 5.09 | 0.0281 | 113.94 | 0 | 10.19 | 0.0024 | − 27.90 | 0 |
PDSI | 1 | 54 | 5.03 | 0.0290 | 9.94 | 0.0026 | |||||
Tmax*PDSI | 1 | 54 | 5.10 | 0.0280 | 10.31 | 0.0022 | |||||
2 | Tmean | 1 | 54 | 5.04 | 0.0289 | 114.20 | 0.26 | 9.58 | 0.0031 | − 27.65 | 0.25 |
PDSI | 1 | 54 | 4.94 | 0.0304 | 9.19 | 0.0037 | |||||
Tmean*PDSI | 1 | 54 | 5.05 | 0.0287 | 9.74 | 0.0029 | |||||
3 | Tmin | 1 | 54 | 4.94 | 0.0305 | 114.41 | 0.47 | 8.86 | 0.0044 | − 27.44 | 0.46 |
PDSI | 1 | 54 | 4.78 | 0.0331 | 8.25 | 0.0058 | |||||
Tmin*PDSI | 1 | 54 | 4.97 | 0.0300 | 9.07 | 0.0040 | |||||
4 | Elevation | 1 | 54 | 4.53 | 0.0379 | 139.65 | 25.71 | 8.94 | 0.0042 | − 3.05 | 24.85 |
PDSI | 1 | 54 | 5.62 | 0.0214 | 16.09 | 0.0002 | |||||
Elevation*PDSI | 1 | 54 | 4.55 | 0.0374 | 9.13 | 0.0038 | |||||
