As we all know, the Saharan Desert is vast, extremely arid, hot and dry throughout the year, and very little precipitation  However, thousands of years ago, the Saharan was a lush wilderness dotted with lakes  Human society has spread to this area  They reclaimed a lot of land for planting  Crops and animal husbandry have destroyed the Saharan ecosystem  Local farmers have cut down a lot of forests in the Saharan, reclaimed grasslands, overgrazing, and degraded the soil  The vegetation is gradually reduced, making the temperature of the Sahara gradually rising  As more farmers enter the Saharan In the region, more land is being cultivated, which further causes the temperature to rise  Gradually, the precipitation decreases, and the high temperature and water shortage environment slowly disappears the vegetation
In the end, the Saharan hardly rains, and a large number of plants die, leaving only Few heat-resistant and drought-tolerant desert plants
Human activities have led to the desertification of the Saharan