Table 1.
Variables for Maxent input.
| Categories | Variables | Description | Data Source |
|---|---|---|---|
| dispersal means | acc | global accessibility | JRC of European Commission |
| availability of host plants | app | global apple production | EarthStat |
| climatic indicators | dem | global elevation | SRTM |
| bio1 | annual mean temperature | World Clim version 2 | |
| bio2 | mean diurnal range | ||
| bio3 | isothermality (bio2/bio7) (* 100) | ||
| bio4 | temperature seasonality | ||
| bio5 | max temperature of warmest month | ||
| bio6 | min temperature of coldest month | ||
| bio7 | temperature annual range (bio5-bio6) | ||
| bio8 | mean temperature of wettest quarter | ||
| bio9 | mean temperature of driest quarter | ||
| bio10 | mean temperature of warmest quarter | ||
| bio11 | mean temperature of coldest quarter | ||
| bio12 | annual precipitation | ||
| bio13 | precipitation of wettest month | ||
| bio14 | precipitation of driest month | ||
| bio15 | precipitation seasonality | ||
| bio16 | precipitation of wettest quarter | ||
| bio17 | precipitation of driest quarter | ||
| bio18 | precipitation of warmest quarter | ||
| bio19 | precipitation of coldest quarter |