Severity class | Annual soil loss Range (t ha−1 year−1) (Bewket and Teferi 2009) | Annual soil loss Range (t ha−1 year−1) (Wolka et al. 2015) | Annual soil loss Range (t ha−1 year−1) (Habtamu et al. 2020 | Annual soil loss Range (t ha−1 year−1) (Asnake and Amare 2019) | Annual soil loss Range (t ha−1 year−1) (Kavian et al. 2017) | Annual soil loss Range adopted (t ha−1 year−1) |
---|---|---|---|---|---|---|
Very low | – | – | – | < 5 | 0–5 | < 5 |
Low | < 12 | 0–10 | 0–10 | 5–15 | 5–25 | 5–10 |
Moderate | 12–25 | 10–20 | 10–20 | 15–30 | 25–50 | 10–18 |
High | 25–50 | 20–30 | 20–30 | – | 50–80 | 18–30 |
Very high | 50–80 | 30–45 | 30-50 | – | > 80 | 30–42 |
Severe | 80–125 | 45–60 | > 50 | 30–50 |  | 42–80 |
Very sever | >125 | 60–80 | – | > 50 |  | >80 |
Extremely severe | – | 80–85.64 | – | – |  |  |