Question

How can desertification be irreversible?

Answer 1

Answer:

Desertification extends beyond the expansion of existing deserts to include land degradation due to human activity in drylands. ... The ultimate stage of land degradation is irreversible, as the soil becomes sterile and can no longer support the growth of plants.

Answer 2

Explanation:

In order to prevent and reverse desertification, major policy interventions and changes in management approaches are needed. ... In areas where desertification processes are at the early stages or are relatively minor, it is possible to stop the process and restore key services in the degraded areas.