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Table 1 Desertification classification system categories (After Dregne 1986).

From: Post-Wildland Fire Desertification: Can Rehabilitation Treatments Make a Difference?

Desertification category Topsoil loss (%) Climax plant species (%)
None to slight None to <25 100
Moderate 25 to 75 26 to 50
Severe >95 10 to 25
Very severe Gullies developed <10