Table 1 Factor loadings of current climate (1960–1990) variables of selected 125 PAs in the Alpine biogeographical region on PCA axes 1 and 2
From: Predicting the effectiveness of protected areas of Natura 2000 under climate change
Climate variable | Abbreviation | Factor loadings PC 1 | Factor loadings PC2 |
|---|---|---|---|
Annual mean temperature | Ann-temp | − 0.19 | 0.34 |
Mean diurnal range | M-temp range | 0.014 | 0.29 |
Isothermality | Isotherm | − 0.25 | 0.20 |
Temperature seasonality | Temp seas | 0.30 | 0.019 |
Max temperature of warmest month | Warmest m-temp | − 0.07 | 0.41 |
Min temperature of coldest month | Coldest m-tem | − 0.27 | 0.22 |
Temperature annual range | Ann-temp rang | 0.27 | 0.09 |
Mean temperature of the wettest quarter | Wettest q-temp | 0.06 | 0.25 |
Mean temperature of the driest quarter | Driest q-temp | − 0.19 | 0.21 |
Mean temperature of the warmest quarter | Warmest q-temp | − 0.08 | 0.40 |
Mean temperature of the coldest quarter | Coldest q-temp | − 0.26 | 0.26 |
Annual precipitation | Ann precip | − 0.29 | − 0.15 |
Precipitation of the wettest month | Wettest m-precip | − 0.24 | − 0.18 |
Precipitation of the driest month | Driest m-preci | − 0.29 | − 0.16 |
Precipitation seasonality | Precip seas | 0.24 | − 0.01 |
Precipitation of the wettest quarter | Wettest q-precip | − 0.24 | − 0.17 |
Precipitation of the driest quarter | Driest q-precip | − 0.30 | − 0.15 |
Precipitation of the warmest quarter | Warmest q-precip | − 0.18 | − 0.18 |
Precipitation of the coldest quarter | Coldest q-precip | −0.28 | − 0.15 |