NEET BIOLOGY

Detailed explanation-1: -Desertification is land degradation in arid, semi-arid, and dry sub-humid areas, collectively known as drylands, resulting from many factors, including human activities and climatic variations.

Detailed explanation-2: -The United Nations’ official definition says desertification is land degradation in typically dry areas resulting from various factors, including climatic variations and human activities.

Detailed explanation-3: -Desertification and agriculture. SUMMARY. Desertification is a land degradation process that occurs in drylands. It affects the land’s capacity to supply ecosystem services, such as producing food or hosting biodiversity, to mention the most well-known ones.

Detailed explanation-4: -’Climatic variations’ and ‘Human activities’ can be regarded as the two main causes of desertification. removal of the natural vegetation coverby taking too much fuel wood, agricultural activities in the vulnerable ecosystems of arid and semi-arid areas, which are thus strained beyond their capacity.