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Table 6 Annual soil erosion rates, magnitude and area coverage

From: Soil erosion mapping and severity analysis based on RUSLE model and local perception in the Beshillo Catchment of the Blue Nile Basin, Ethiopia

Soil loss rates (t ha−1 year−1)a

Severity classesa

Area (ha)

Percent of total

Estimated annual loss (ton)

Percent of total

Priority class for conservation

< 5

Very slight

10,290

42.9

88,318.08

7.1

5th

5 to 15

Slight

7424

31

364,781.6

29.3

4th

15 to 30

Moderate

2707

11.3

317,712.3

25.5

3rd

30 to 50

Severe

1701

7.1

325,624.3

26.2

2nd

> 50

Very sever

1848

7.7

147,137.2

11.8

1st

Total

23,970

100

 1,243,574

100

 
  1. aThis classification was made based on soil erosion literature on the Blue Nile Basin (e.g. Haregeweyn et al. 2017)