NEET BIOLOGY

Detailed explanation-1: -The Sahel Region has lost millions of hectares of easily accessible farming land to the desert, thus creating food insecurity and loss of income for thousands, if not millions, in the region.

Detailed explanation-2: -But since the late 1960s, the Sahel has endured an extensive and severe drought. Desertification occurs when land surfaces are transformed by human activities, including overgrazing, deforestation, surface land mining, and poor irrigation techniques, during a natural time of drought.

Detailed explanation-3: -CONSEQUENCES OF DESERTIFICATION Loss of biodiversity by worsening the living conditions of many species. Food insecurity due to crop failure or reduced yields. The loss of vegetation cover and therefore of food for livestock and humans. Increased risk of zoonotic diseases, such as COVID-19.

Detailed explanation-4: -How might desertification affect peoples lives in the Sahel? Sahel is becoming a desert, as a result people are losing farmland to grow crops, and land for grazing livestock. What are some problems created by the Nigerian oil industry? Oil spills not always cleaned up, acid rain, soot, causes respiratory diseases.