Soil Loss Categories Tones/ha/year⁻¹ (Area %)

Terrain units

Extreme

Severe

Moderate

Low

Minimal

>50

25 - 50

15 - 25

5 - 15

0 - 5

0.09

1.04

0.73

1

11.16

Moderately Sloping Wadi-Side Slopes

0.07

1.24

0.88

0.58

9,6

Steep Wadi-Side Slopes

0

0.07

0.21

0.26

5.16

Slightly Sloping Wadi-Side Slopes

0

0.23

0.23

0.17

5.07

Remnants of Erosion Surfaces: Steeply Sloping

0.07

0.2

0.27

0.17

9.04

Remnants of Erosion Surfaces: Moderately Sloping

0

0

0.03

0

6.46

Alluvial Fan

0

0.04

0.07

0.03

0.34

Isolated Erosion Hills

0

0.03

0.02

0

0.83

Structural Terraces Slight Sloping

0

0

0.21

0.03

0.75

Structural Terraces-Moderates Sloping

0

0

0.22

0.29

1.74

Structural Terraces Steeply Sloping

0

0.09

0.23

0

0.41

Old Complex Landslides

0

0.03

0.16

0

0.4

Irregular Slopes

0

0

0.35

0.41

6.47

Slightly Sloping Straights Slopes

1.13

2.26

1

0.77

9.41

Slopes Dissected by Gullies

0

0

0.03

0.04

0,58

Flat Summits

0

0.06

0.07

0

0.64

Infilled Wadis

0

0.02

0.03

0

0.84

Recent Landslides

0

0.09

0.58

0.57

9.9

Remnants of Erosion Surfaces: Slightly Sloping

0

0.14

0

0

0.13

Dissected Fault Scrap