Mixed forest (oxisol)

Caatinga toposequence (podzolized sands)

Parameter

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Cg

Oa

El

Ms

Ps

Rm

Habitat

Hills

Hills

Valley

Slopes

Mounds

Mounds

Thickness (μm)

249

310

210

714

961

627

Density (g∙cm−3)

0.43

0.46

0.44

0.32

0.3

0.44

Fiber/Protein (kg∙kg−1)

1.41

3.33

3.07

5.46

7.42

3.81

C/N (kg∙kg−1)

29

35

32

54

72

85

δ15N (‰)

−0.8

−0.1

−1.73

−6.3

−9.7

−9.4

Y(0) (MPa)

−1.3

−1.5

−1.4

−1.1

−2.0

−1.9

Y(field) (MPa)

−1.1

−1.5

−1.2

−1.1

−1.4

−1.5

δ13C (‰)

−28.5

−32.3

−29.4

−28.3

−29.5

−29.8