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Table 1 Environmental factors used in this study.

From: Mapping the potential distribution of high artemisinin-yielding Artemisia annua L. (Qinghao) in China with a geographic information system

Category

Variables

Abbreviation

Climate

Average temperature in January (°C)

ATJA

Average temperature in February (°C)

ATF

Average temperature in March (°C)

ATM

Average temperature in April (°C)

ATAP

Average temperature in May (°C)

ATMA

Average temperature in June (°C)

ATJ

Average temperature in July (°C)

ATJU

Average temperature in August (°C)

ATA

Average Annual temperature (°C)

AAT

Annual sunshine time (h)

AST

Total annual precipitation (mm)

TAP

Relative humidity (%)

RH

Topography

Altitude (m)

AL

Edaphology

Soil properties

SP