I saw on a Real Life Lore Video that there is a plan to plant a wall of trees across Africa along the southern border of the Sahara Desert. The hope is these trees will stop the spread of the desert into the semi-arid lands bellow. Why wouldn’t the desert just overtake the trees anyways?
Link to the original video: https://youtu.be/Zjy_JH1aaqU
In: Earth Science
Trees have a stabilizing effect on the ecosystem. They block wind, reducing the spread of sand. They provide shade, cooling the area. They provide a home/shelter for other members of the ecosystem, which can keep the soil from turning into sand
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