Mass of SOC

Landscape

Landscape

Landscape segment

Loss from

Landscape

to 1 m depth

Sediment

Segment %

weighted SOC

conversion

Position

(Mg-C/ha)

Length (m)

of Transect

(Mg-C/ha)

(%)

Prairie Site

Summit

222.94 (8.79)a

26.70

0.15

33.96 (1.34)a

Shoulder

219.91 (11.42)a

30.60

0.17

38.39 (1.99)a

U. Backslope

200.58 (7.51)a

31.30

0.18

35.81 (1.34)a

L. Backslope

199.75 (16.64)a

26.10

0.15

29.74 (2.48)a

Footslope

215.47 (27.11)a

27.20

0.16

33.43 (4.21)a

Toeslope

320.59 (21.62)a

33.40

0.19

61.08 (4.12)a

Total

1379.24 (23.84)

175.30

232.41 (6.22)

Crop Site

Summit

100.14 (6.18)b

22.90

0.14

13.56 (0.84)b

−0.60

Shoulder

99.11 (22.40)b

27.00

0.16

15.51 (3.58)b

−0.60

U. Backslope

77.77 (6.55)b

30.00

0.18

13.80 (1.16)b

−0.61

L. Backslope

76.95 (2.85)b

26.90

0.16

12.24 (0.45)b

−0.59

Footslope

92.67 (33.00)b

26.50

0.16

14.52 (5.17)b

−0.57

Toeslope

197.78 (10.76)b

35.80

0.21

41.87 (2.28)b

−0.31

Total

642.42 (73.66)

169.10

111.50 (16.44)

−0.52