NEET BIOLOGY

Detailed explanation-1: -Desertification is the change of land and its vegetation that makes it unable to support life, becoming like a desert. This is a global problem that seems to be expanding out from arid and semi-arid zones of the planet. Desertification is considered a result of human activity that degrades the land beyond recovery.

Detailed explanation-2: -Desertification is the process by which vegetation in drylands i.e. arid and semi-arid lands, such as grasslands or shrublands, decreases and eventually disappears.

Detailed explanation-3: -Desertification is a type of land degradation in drylands in which biological productivity is lost due to natural processes or induced by human activities whereby fertile areas become increasingly arid.

Detailed explanation-4: -desertification, also called desertization, the process by which natural or human causes reduce the biological productivity of drylands (arid and semiarid lands).

Detailed explanation-5: -The United Nations’ official definition says desertification is land degradation in typically dry areas resulting from various factors, including climatic variations and human activities.