Table 1 Soil organic carbon (SOC) stocks, sample depths, and sample numbers collected in the Hoh River Watershed (HRW)

From: Revealing the hidden carbon in forested wetland soils

Landscape Class

30 cm SOC Stock

60 cm SOC Stock

1 m SOC Stock

120 cm SOC Stock

Sample Depth

n

WIP Wetland

138 ± 22.9

250 ± 53.4

346 ± 89.1

362 ± 96.9

99 ± 6.5

8

Riverine Wetland*

41.7 ± 12

42.8 ± 11.6

43.3 ± 11.7

43.3 ± 11.7

81 ± 4.0

2

Palustrine Wetland*

171 ± 11.8

320 ± 38.7

447 ± 81.6

468 ± 92.3

110 ± 6.9

6

WIP Upland

93.6 ± 7.65

153 ± 15.1

185 ± 20.2

190 ± 21.2

94 ± 5.4

28

All Landscapes

104 ± 8.27

175 ± 17.7

221 ± 27.0

228 ± 28.8

95 ± 4.4

36

  1. The ±indicates standard error. The *indicates landscape class subsets from wetlands determined by the Wetland Intrinsic Potential (WIP) tool.