Skip to main content

Table 2 Effective soil depth, SOC content, total N, C/N ratio, bulk density, pH, clay content, silt content, and sand content of each study area in east China

From: Variations of forest soil organic carbon and its influencing factors in east China

Geographic region

Effective soil depth (cm)

SOC content (g C kg−1)

Total N (g kg−1)

C/N ratio

Bulk density (g cm−3)

pH

Clay content (g kg−1)

Silt content (g kg−1)

Sand content (g kg−1)

North-eastern China

78 ± 23

20.9 ± 38.3

1.99 ± 3.66

13.3 ± 14.8

1.29 ± 0.31

5.4 ± 0.6

528 ± 167

268 ± 64

204 ± 119

Middle-eastern China

82 ± 26

12.2 ± 11.7

0.82 ± 0.98

17.9 ± 8.45

1.32 ± 0.19

7.5 ± 0.8

513 ± 157

304 ± 100

183 ± 111

South-eastern China

84 ± 30

19.3 ± 26.8

0.97 ± 1.63

20.2 ± 7.98

1.28 ± 0.19

6.2 ± 0.7

444 ± 95

254 ± 123

302 ± 95

Total region

82 ± 27

17.5 ± 25.5

1.28 ± 2.04

16.4 ± 8.73

1.26 ± 0.24

6.3 ± 1.2

493 ± 165

274 ± 89

233 ± 129

  1. Mean ± standard deviation