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Table 2 Summary of eco-environmental characteristics from known A. annua L. habitats (n = 180).

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

Variables

Mean

SE

CV%

SD

Range

Weight

ATJA(°C)

3.95

0.005

21.46

0.849

1.2-5.6

0.03

ATF (°C)

4.1

0.005

21.43

0.765

2.0-6.0

0.03

ATM(°C)

8.50

0.005

13.36

1.136

4.0-10.0

0.06

ATAP(°C)

13.35

0.007

10.45

1.39

10.0-16.0

0.06

ATMA(°C)

17.92

0.006

6.81

1.22

14.0-20.0

0.08

ATJ(°C)

21.23

0.007

6.77

1.43

18.0-24.0

0.08

ATJU(°C)

25.30

0.06

4.60

1.164

21.6-27.3

0.08

ATA(°C)

23.56

0.08

6.23

1.469

20.0-26.0

0.08

AAT(°C)

19.32

0.05

4.69

0.907

15.9-21.0

0.08

AST(h)

1118.00

0.21

3.33

37.32

1048-1200

0.08

TAP(mm)

1209.00

0.09

1.28

15.46

1169-1267

0.08

RH(%)

79.85

0.02

0.33

2.63

79.2-80.6

0.15

AL(m)

771.03

1.28

29.79

229.73

498-1010

0.03

SP*

     

0.08

  1. *Indication of five soil types: yellow soil, yellow sandy soil, limestone soil, paddy soil and brown soil; pH: 6-7; organic matter content ≥1.3%