Table 3 Summary of the Worldclim 2 bioclimatic variables corresponding to the 41 Scots pine plot locations considered in this study. BIO2 is calculated as the monthly mean of \(t_{max}-t_{min}\), being \(t_{max}\) and \(t_{min}\) respectively the maximum and minimum monthly temperatures. BIO3 is calculated as \(100 \frac{BIO2}{ BIO7}\). BIO4 is \(100 sd_t\), being \(sd_t\) the standard deviation of the annual distribution of daily tempreatures. BIO7 is calculated as \(BIO5 - BIO6\). BIO4 is the standard deviation of the annual distribution of daily precipitation
Var. | Description | Mean | St. dev. | Min | Max |
|---|---|---|---|---|---|
BIO1 | Annual Mean Temperature | 9.88 | 0.914 | 8.14 | 11.4 |
BIO2 | Mean Diurnal Range | 8.04 | 0.393 | 7.18 | 8.89 |
BIO3 | Isothermality | 38.3 | 1.97 | 34.2 | 41.7 |
BIO4 | Temperature Seasonality | 478 | 30.3 | 415 | 538 |
BIO5 | Max. Temperature of Warmest Month | 20.2 | 0.675 | 18.9 | 21.8 |
BIO6 | Min. Temperature of Coldest Month | -0.842 | 1.19 | -2.77 | 1.94 |
BIO7 | Temperature Annual Range | 21.03 | 0.878 | 18.6 | 22.5 |
BIO8 | Mean Temperature of Wettest Quarter | 5.25 | 1.21 | 3.15 | 7.39 |
BIO9 | Mean Temperature of Driest Quarter | 15.9 | 0.636 | 14.7 | 17.5 |
BIO10 | Mean Temperature of Warmest Quarter | 16.11 | 0.626 | 14.9 | 17.5 |
BIO11 | Mean Temperature of Coldest Quarter | 4.504 | 1.24 | 2.34 | 6.67 |
BIO12 | Annual Precipitation | 1402 | 116 | 1296 | 1686 |
BIO13 | Precipitation of Wettest Month | 182 | 19.3 | 166 | 228 |
BIO14 | Precipitation of Driest Month | 41.5 | 2.98 | 31.1 | 46.5 |
BIO15 | Precipitation Seasonality | 41.1 | 2.303 | 37.3 | 47.6 |
BIO16 | Precipitation of Wettest Quarter | 519 | 49.5 | 479 | 638 |
BIO17 | Precipitation of Driest Quarter | 153 | 8.27 | 130 | 167 |
BIO18 | Precipitation of Warmest Quarter | 174 | 11.2 | 148 | 198 |
BIO19 | Precipitation of Coldest Quarter | 492 | 60.06 | 442 | 632 |