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Table 3 Maximum and minimum soil depth reduction factor area coverage and description related to slope classes

From: Rural households’ livelihood vulnerability to climate variability and extremes: a livelihood zone-based approach in the Northeastern Highlands of Ethiopia

Slope classes (%)

Reduction factors

Covered area

Description

Max. depth (a*)

Min. depth (b*)

0–2

1.00

0.00

274 (2%)

From flat to very gently sloping

2–5

0.95

0.05

985 (5%)

Gently sloping

5–8

0.90

0.10

1078 (6%)

Sloping

8–16

0.80

0.20

2816 (16%)

Strongly sloping

16–30

0.70

0.30

4352 (25%)

Moderately sloping

> 30

0.60

0.40

7860 (45%)

Steep and very steep

  1. Note: a* and b* are soil depth reduction factors related to slope classes in FAO data (1998)