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. 2016 Mar 10;22(6):903–927. doi: 10.1007/s11027-016-9707-y

Table 4.

List of variables used in the modeling of current and future climatic suitability for cocoa of the West African cocoa belt with Maxent

Variable Variable definition Current average
BIO 1 Annual mean temperature 25.5 °C
BIO 2 Mean diurnal range (mean of monthly (max temp–min temp)) 9.7 °C
BIO 3 Isothermality (BIO 2/BIO 7) (*100) 74
BIO 4 Temperature seasonality (standard deviation *100) 94.6
BIO 5 Maximum temperature of warmest month 32.6 °C
BIO 6 Minimum temperature of coldest month 19.4 °C
BIO 7 Temperature annual range (BIO 5–BIO 6) 13.1 °C
BIO 8 Mean temperature of wettest quarter 25.0 °C
BIO 9 Mean temperature of driest quarter 25.8 °C
BIO 10 Mean temperature of warmest quarter 26.6 °C
BIO 11 Mean temperature of coldest quarter 24.2 °C
BIO 12 Annual precipitation 1814 mm
BIO 13 Precipitation of wettest month 315 mm
BIO 14 Precipitation of driest month 23 mm
BIO 15 Precipitation seasonality (coefficient of variation) 61
BIO 16 Precipitation of wettest quarter 772 mm
BIO 17 Precipitation of driest quarter 115 mm
BIO 18 Precipitation of warmest quarter 345 mm
Cons_mths Consecutive dry months (<100 mm rainfall per month) 3.7
ETP 1 Annual evapotranspiration 816 mm
ETP 3 Evapotranspiration of driest month 75 mm
ETP 5 Evapotranspiration of driest quarter 221 mm
ETP 6 Evapotranspiration of warmest quarter 223 mm
ETP 8 Excess precipitation over evapotranspiration during driest quarter (BIO 17 - ETP 5) −106 mm