Table 1 Descriptive statistics of PTEs of oasis agricultural soil in the source region of the Tarim River.

From: Source apportionment and source-specific risk evaluation of potential toxic elements in oasis agricultural soils of Tarim River Basin

PTEs

As

Cd

Co

Cu

Ni

Pb

Sb

Sn

Tl

V

Zn

Yarkant River Oasis

Min

9.40

0.12

7.50

13.80

18.30

17.10

0.82

2.20

0.47

53.00

53.00

Max

18.20

0.19

11.20

24.50

29.40

22.20

1.26

3.10

0.63

73.00

84.00

Mean

13.28

0.16

9.13

17.74

22.18

18.83

1.00

2.59

0.54

61.42

66.05

SD

2.40

0.02

1.02

3.08

3.37

1.35

0.11

0.21

0.04

5.46

8.68

Cv

0.18

0.12

0.11

0.17

0.15

0.07

0.11

0.08

0.07

0.09

0.13

Kashgar Oasis

Min

9.30

0.10

7.90

13.50

17.70

14.90

0.94

1.70

0.43

52.00

51.00

Max

16.20

0.22

15.10

33.80

39.80

24.10

1.58

3.50

0.83

94.00

110.0

Mean

12.79

0.17

11.03

22.68

26.59

19.94

1.16

2.46

0.57

68.96

76.74

SD

1.82

0.03

1.56

3.80

4.84

2.34

0.17

0.53

0.11

8.95

12.58

Cv

0.14

0.20

0.14

0.17

0.18

0.12

0.15

0.22

0.19

0.13

0.16

Aksu Oasis

Min

7.80

0.14

8.20

15.20

19.90

14.80

0.87

1.90

0.40

54.00

56.00

Max

19.00

0.26

12.60

27.10

30.90

20.60

1.94

2.80

0.55

76.00

86.00

Mean

13.13

0.18

9.95

21.24

24.44

17.13

1.34

2.39

0.49

62.19

72.19

SD

2.73

0.04

1.09

3.21

2.96

1.44

0.28

0.29

0.05

5.97

9.35

Cv

0.21

0.19

0.11

0.15

0.12

0.08

0.21

0.12

0.09

0.10

0.13

Hotan Oasis

Min

7.70

0.11

7.60

15.00

18.90

15.30

0.83

2.10

0.46

53.00

49.00

Max

20.00

0.18

10.30

21.80

29.50

18.60

1.06

3.90

0.70

66.00

81.00

Mean

11.69

0.14

9.25

18.55

24.48

16.96

0.92

2.85

0.58

60.94

64.88

SD

3.66

0.02

0.82

2.05

3.05

1.11

0.07

0.68

0.08

3.77

7.82

Cv

0.31

0.13

0.09

0.11

0.12

0.07

0.07

0.24

0.14

0.06

0.12

RSV (GB15618-2018) (pH > 7.5)

25

0.6

–

100

190

170

–

–

–

–

300

HJ332-2006 (pH > 7.5)

20

0.4

 

100

60

50

    

300

Bortala River Watershed3

20.03

0.24

9.72

24.07

24.99

17.93

–

–

–

72.87

77.36

Yili River Watershed3

12.03

0.23

10.43

22.72

24.00

19.10

–

–

–

77.53

70.38

Jiuquan, Hexi Corridor62

–

–

–

37.2

39.9

–

–

–

–

83.2

57.3

Wuwei, Hexi Corridor63

12.66

–

–

28.76

41.14

21.80

–

–

–

62.92

60.81

Bahariya Oasis, Egypt64

   

70.91

 

8.35

   

808.78

123.53

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