Appendix C. A table showing loadings of the PCA axes performed with climatic variables.
TABLE C1. The first three axes explain 96.4% of the variance in the climatic factors considered and their loadings are shown below.
PC1
PC2
PC3
Altitude
0.069
0.480
0.217
Annual temperature range
-0.388
0.218
-0.151
Daily temperature range
-0.343
0.279
-0.234
Maximum temperature
-0.374
-0.114
-0.336
Minimum temperature
-0.020
-0.483
-0.298
Mean temperature
-0.303
-0.356
-0.200
Net primary productivity
0.240
-0.408
0.077
Precipitation
0.279
0.114
-0.497
Precipitation during the dry season
0.302
0.160
-0.459
Variance of precipitation
-0.309
-0.210
0.403
Variance of temperature
-0.416
0.145
-0.091
Percentage of variance explained
47.2%
31.1%
18.1%