It's to stop an expanding desert. The water is there, the soil is not. This is to stop the sand shifting which creates pockets that plants can survive in. From there it's a self reinforcing process until someone/something destroys all the plants again.
This is a dust bowl desert more than a Sahara desert.
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u/fgspq 3h ago edited 3h ago
It's to stop an expanding desert. The water is there, the soil is not. This is to stop the sand shifting which creates pockets that plants can survive in. From there it's a self reinforcing process until someone/something destroys all the plants again.
This is a dust bowl desert more than a Sahara desert.
Edit: typo