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. 2018 May 18;9:664. doi: 10.3389/fpls.2018.00664

Table 1.

Predictor variables used in the study, variables highlighted in bold were selected to run all models presented in this study.

Code Predictor variable Unit
BIO 1 Annual mean temperature °C
BIO 2 Mean diurnal range [monthly (max temp – min temp)] °C
BIO 3 Isothermality (BIO2/BIO7)* 100
BIO 4 Temperature seasonality (standard deviation *100) C of V
BIO 5 Max temperature of warmest month °C
BIO 6 Min temperature of coldest mont °C
BIO 7 Temperature annual range (BIO5-BIO6) °C
BIO 8 Mean temperature of wettest quarter °C
BIO 9 Mean temperature of driest quarter °C
BIO 10 Mean temperature of warmest quarter °C
BIO 11 Mean temperature of coldest quarter °C
BIO 12 Annual precipitation mm
BIO 13 Precipitation of wettest month mm
BIO 14 Precipitation of driest month mm
BIO 15 Precipitation seasonality (coefficient of variation) C of V
BIO 16 Precipitation of wettest quarter mm
BIO 17 Precipitation of driest quarter mm
BIO 18 Precipitation of warmest quarter mm
BIO 19 Precipitation of coldest quarter mm
Altitude Altitude m
Aspect Aspect °
Slope Slope °
Land cover Land cover