Table 1. Bioclimatic variables used and mean values at occurrence pixels under current and 2050s conditions; the values for 2050s were calculated as mean impact across 19 GCMs.
Type | Bioclimatic variable | Description | Current mean | 2050s mean | Unit | Clustering 1 |
---|---|---|---|---|---|---|
BIO 1 | Annual mean temperature | 20.6 | 22.5 | °C | ||
BIO 2 | Mean diurnal range (mean of monthly (max temp—min temp)) | 11.6 | 11.7 | °C | ||
BIO 3 | Isothermality (BIO2/BIO7) (*100) | 72 | 71 | - | X | |
BIO 4 | Temperature seasonality (standard deviation *100) | 136.9 | 143.9 | °C | ||
BIO 5 | Max temperature of warmest month | 28.5 | 30.5 | °C | X | |
Temperature | BIO 6 | Min temperature of coldest month | 12.2 | 13.8 | °C | X |
BIO 7 | Temperature annual range (BIO5-BIO6) | 16.3 | 16.7 | °C | ||
BIO 8 | Mean temperature of wettest quarter | 21.6 | 23.4 | °C | ||
BIO 9 | Mean temperature of driest quarter | 19.3 | 21.2 | °C | ||
BIO 10 | Mean temperature of warmest quarter | 22.1 | 24.0 | °C | ||
BIO 11 | Mean temperature of coldest quarter | 18.7 | 20.4 | °C | ||
BIO 12 | Annual precipitation | 1637 | 1645 | mm | X | |
BIO 13 | Precipitation of wettest month | 280 | 289 | mm | ||
BIO 14 | Precipitation of driest month | 33 | 31 | mm | ||
Precipitation | BIO 15 | Precipitation seasonality (coefficient of variation) | 66 | 67 | - | |
BIO 16 | Precipitation of wettest quarter | 739 | 749 | mm | ||
BIO 17 | Precipitation of driest quarter | 122 | 121 | mm | ||
BIO 18 | Precipitation of warmest quarter | 492 | 479 | mm | X | |
BIO 19 | Precipitation of coldest quarter | 211 | 224 | mm | ||
BIO 20 | Number of consecutive months < 40mm precipitation | 2.5 | 2.6 | - | X |
1 X = variables used for agglomerative clustering.