Desertification :: essays research papers

Essay What is cast offification, where is it found, and what are the causes?Desertification is the process by which land dries up in the end over time and the land turning to desert. This is common in Africa where close of the terrain is a desert. It is believed that the Sahara desert was once fertile ground but straight it is dried-out up. Sand as far as the eye offer see and very little rainfall occurs in this region.About 2500 B.C., the clime of the Sahara changed. Africa was once a fertile plain but where the Sahara lies was once a fertile plain capable of harvesting foods nearly anytime of year callable to the warm weather. But it slowly dried up. As the land became parched, the desert feast. The process of desertification devours thousands of acres of cropland and pastureland each year. As the region dried the people retreated. With no water and little food the land became inhabitable. close people migrated south towards the marshlands and the savannah. It is believe d on of the causes of the Sahara is due to over harvesting of crops. It is believed that the palaeolithic people had learned how to cultivate in the Nile valley then spread out and established permanent villages. Archeologist say quite a few of the villages existed on the Sahara. Due to the farming over many years the land dried up due to the lack of minerals and lack of water.The Bantu is what is believed to be the remnants of those who use to farm in the Sahara region. And archeologists have been able to raceway their migration by studying their language patterns. The Bantu were originally nomadic herders who travelled throughout Africa caring for their flock.