Table 1 Environmental factors involved in modeling after screening.

From: Assessing the impacts of climate change and human activities on distribution of Lophatherum gracile in China using the maxent model

Variable

Description

Unit

Bio2

Mean diurnal range

Bio3

Isothermality (Bio2/Bio7)

Bio6

Min temperature of coldest month

Bio7

Temperature annual range (Bio5–Bio6)

Bio14

Precipitation of driest month

mm

Srad2

February solar radiation

KJ/m2/day

Srad3

March solar radiation

KJ/m2/day

Srad4

April solar radiation

KJ/m2/day

Srad5

May solar radiation

KJ/m2/day

Srad6

June solar radiation

KJ/m2/day

Srad7

July solar radiation

KJ/m2/day

elve

Elevation

m

t-bs

Basic saturation

%