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Table 7 Contribution (%) of recalcitrant carbon (C r ) to cumulative mineralized carbon (C cum )

From: Recalcitrant carbon controls the magnitude of soil organic matter mineralization in temperate forests of northern China

Forest type

Moisture (%)

5 °C

10 °C

15 °C

20 °C

25 °C

30 °C

Pinus

30

89.70 a

90.67 a

91.49 a

86.72 a

85.83 a

88.18 a

60

91.66 b

93.33 ab

93.61 b

93.21 b

92.72 b

91.39 b

90

93.28 b

94.14 b

95.27 c

93.80 b

93.81 b

92.92 b

Oak

30

89.88 a

89.17 a

91.16 a

88.56 a

90.81 a

86.40 a

60

91.56 ab

92.89 b

94.07 ab

93.21 b

93.19 ab

93.56 b

90

93.68 b

94.41 b

95.49 b

95.17 b

95.23 b

94.68 b

Mixed

30

85.19 a

88.27 a

89.27 a

86.56 a

83.62 a

79.70 a

60

92.08 ab

92.68 b

94.10 ab

92.45 ab

92.90 ab

91.42 ab

90

93.80 b

93.82 b

95.40 b

94.41 b

94.83 b

93.81 b

  1. Variant lowercase letter means significant difference at P < 0.05 among moisture gradients (n = 5)