Desertification

♤ Definition: Productive potential of arid or semiarid land falls by at least 10% due to human activity and/or climate change.

♤ Symptoms: Loss of native vegetation; increased wind erosion; salinization; drop in water table; reduce surface water supply.

♤ Remediation: Reduce overgrazing; reduce deforestation; reduce destructive froms of planting, irrigation, and mining. Plant trees and grasses to hold soil.