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Table 2 Organic matter content and C:N ratios by vegetation type and depth

From: Temperature sensitivity of mineral soil carbon decomposition in shrub and graminoid tundra, west Greenland

 

Depth

Increment

Graminoid

Shrub

Organic Matter

(%)

Shallow

0-20 cm

12.8 ± 0.4

10.0 ± 1.5

Deep

20-40 cm

10.9 ± 0.7

8.1 ± 1.3

C:N

Shallow

0-20 cm

14.14

15.74

Deep

20-40 cm

15.27

16.68

Soil C pool*

(kg C m-2)

—

—

29.0

22.5

  1. Values are mean ± 1 standard error
  2. *Source: Petrenko et al., in review