Table 2 The classical statistical characteristics of soil and litter properties.

From: Schrenk spruce leaf litter decomposition varies with snow depth in the Tianshan Mountains

Properties

Min

Max

Mean

Standard deviation

Skewness

Kurtosis

Coefficient of variation

Soil

pH

6.01

7.65

6.90

0.42

 − 0.37

 − 0.64

6.05

Conductivity (mS/cm)

0.20

0.69

0.34

0.08

1.02

4.29

23.25

Water content (%)

19.29

39.97

27.86

5.19

0.42

 − 0.52

18.64

Bulk density (g/cm3)

0.74

1.31

0.89

0.13

1.21

1.12

14.20

C (g/kg)

101.08

154.50

129.78

10.48

0.07

 − 0.04

8.07

N (g/kg)

0.93

1.50

1.24

0.12

0.07

0.00

9.71

P (g/kg)

0.39

0.65

0.52

0.05

 − 0.21

0.04

9.78

C/N

96.67

115.76

105.10

5.60

0.15

 − 1.33

5.33

C/P

193.27

384.99

250.55

33.67

1.72

4.68

13.44

N/P

1.77

3.66

2.39

0.34

1.34

3.26

14.17

Litter

Dry mass (g)

6.98

9.38

8.34

0.71

 − 0.19

 − 1.35

8.50

Lignin (g/kg)

175.17

417.37

284.74

63.92

0.18

 − 0.87

22.45

Cellulose (g/kg)

98.10

272.47

169.25

39.79

0.75

0.28

23.51

C (g/kg)

422.55

509.02

463.28

20.40

0.20

 − 0.43

4.40

N (g/kg)

6.54

13.47

10.36

1.57

 − 0.31

 − 0.71

15.14

P (g/kg)

1.01

1.53

1.26

0.11

0.03

 − 0.38

8.63

C/N

31.37

74.23

45.96

8.43

0.73

0.39

18.33

C/P

311.70

446.41

369.60

29.95

0.52

0.10

8.10

N/P

4.80

11.38

8.32

1.69

 − 0.08

 − 0.92

20.28

C/lignin

1.03

2.84

1.72

0.44

0.60

 − 0.36

25.53

C/cellulose

1.71

4.46

2.87

0.61

0.23

 − 0.23

21.29

Lignin/cellulose

0.96

3.65

1.78

0.63

0.99

0.42

35.46

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