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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)