Table 2 Environmental variables used to model Spodoptera frugiperda (FAW) distribution in South Kivu
Environmental and bioclimatic parameters | Code | Units |
|---|---|---|
Mean annual temperature (* 10) | bio1 | °C |
Mean daytime temperature range (monthly average) (* 10) | bio2 | °C |
Isothermality (bio1/bio7) * 100 | bio3 | – |
Temperature seasonality (standard deviation * 100) | bio4 | °C |
Maximum temperature of the hottest month (* 10) | bio5 | °C |
Minimum temperature of the coolest month (* 10) | bio6 | °C |
Annual temperature range (bio5-bio6) (* 10) | bio7 | °C |
Mean temperature of the warmest quarter (* 10) | bio10 | °C |
Mean temperature of the coldest quarter (* 10) | bio11 | °C |
Annual rainfall | bio12 | mm |
Rainfall during the wettest month | bio13 | mm |
Rainfall during the driest month | bio14 | mm |
Rainfall seasonality | bio15 | mm |
Rainfall in the wettest quarter | bio16 | mm |
Rainfall in the driest quarter | bio17 | mm |
Longest dry season duration | llds | – |
Annual moisture index | mi | – |
Moisture index of the dry quarter | miaq | – |
Moisture index of the wet quarter | mimq | – |
Potential evapotranspiration | pet | mm |
Elevation | dem | M |