Table 1 Environmental variables.

From: Biomod2 modeling for predicting the potential ecological distribution of Lilium Davidii var. Willmottiae (E. H. Wilson) Raffill

Index

Abbreviation

Description for variable

Unit

Terrain variables

Elev

Elevation

m

Slope

Slope

°

Aspect

Aspect

°

Bioclimatic variables

bio1

Annual mean temperature

bio2

Mean diurnal range

bio3

Isothermality (bio2/bio7) (*100)

bio4

Temperature seasonality (standard deviation *100)

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

mm

bio13

Precipitation of wettest month

mm

bio14

Precipitation of driest month

mm

bio15

Precipitation seasonality (coefficient of variation)

1

bio16

Precipitation of wettest quarter

mm

bio17

Precipitation of driest quarter

mm

bio18

Precipitation of warmest quarter

mm

bio19

Precipitation of coldest quarter

mm