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Table 2 Forest floor and soil carbon stocks for each forest, by treatment intensity.

From: Management Impacts on Forest Floor and Soil Organic Carbon in Northern Temperate Forests of the US

Site

State

Treatment

Forest Floor C Stocks (t/ha)

Soil C Stocks 0-5 cm (t/ha)

Soil C Stocks 0-20 cm (t/ha)

Total Forest Floor + Soil C Stocks (t/ha)

Fernow

WV

Clearcut

2.9 (0.27)

25.1 (1.76)

70 (1.4)

73 (1.6)

  

Control

7.7 (2.65)

18.6 (2.05)

62 (4.6)

70 (4.0)

Middle Mountain

WV

Clearcut w/0.93 m2 residual in poles

4.0 (0.6)

26 (4.75)

78 (9.3)

82 (9.9)

  

Heaviest thin

4.4 (0.49)

17.8 (4.27)

68 (4.5)

73 (4)

  

Lightest thin

4.6 (0.91)

18.5 (1.56)

61 (3.7)

66 (4)

  

Control

4.6 (1.13)

27.1 (4.57)

77 (11.3)

81 (10.6)

Kane

PA

Heaviest thin

9.1 (3.25)

16.2 (0.53)

56 (0.4)

65 (2.8)

  

Lightest thin

6.4 (0.4)

16.3 (0.42)

54 (3.4)

59 (3.2)

  

Control

8.5 (0.58)

23 (1.52)

65 (3.6)

74 (4.2)

Heiberg

NY

Clearcut

10.4 (0.37)

18.6 (1.07)

61 (2.7)

71 (2.4)

  

Heaviest thin

8.9 (0.43)

17.3 (1.29)

55 (3.1)

64 (3.5)

  

Lightest thin

10.4 (0.87)

20.4 (2.4)

63 (1.4)

73 (0.7)

  

Control

11.8 (1.35)

18.3 (0.26)

63 (1.5)

75 (0.2)

Argonne

WI

Clearcut

2.8 (0.70)

9.7 (2.04)

32 (2.8)

34 (2.6)

  

Heaviest thin

2.6 (0.93)

11 (2.48)

33 (2.5)

35 (1.8)

  

Lightest thin

2.7 (1.02)

16.1 (4.69)

41 (10.7)

43 (10.1)

  

Control

2.4 (0.51)

13.5 (4.89)

39 (10)

41 (9.5)

Bartlett

NH

Heaviest thin

10.9 (1.85)

13.6 (1.29)

53 (7.1)

64 (8.2)

  

Lightest thin

8.2 (0.73)

14.4 (2.23)

55 (6.5)

64 (6.2)

  

Control

14.2 (3.39)

13.2 (1.31)

55 (4.3)

69 (7.1)

  1. Value shown is the mean of the plot values (parentheses indicate standard error of the mean). The Heiberg study did not have formal control plots; temporary plots were established in an uncut buffer zone adjacent to the study area and used as controls. Totals may not agree with sum of category values due to rounding