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Scientists explained why the Sahara became a desert

Ученые объяснили, почему Сахара превратилась в пустынюThe appearance of the Sahara brought by human activities.

Fertile plain with an abundance of lakes — once the Sugar was just that. However, human activities have led to the fact that this area has turned into a boundless desert.

Sugar began to turn into desert about 8,000 years ago — then it started to settle farmers. In just a thousand years land filled with plants and ponds were completely covered with sand. Dr. David Wright from Seoul national University believes that the processes that led to this result had been provoked by the man, reports the Daily Mail.

His studies indicate that plants that were planted by prehistoric agriculturalists in the region have resulted in deformation of the soil. And the animals that people brought, actively destroying the plants that hold the soil from erosion. - услуги фрилансеров от 500 руб.

Open land became more and more, and the sunlight, reflected from a dry, devoid of vegetation plots all the more heated air Sahara. This, in turn, has led to a reduction in precipitation, which in the end almost stopped falling out. In the end, almost all the plants died, leaving only the most resistant desert species.

That the Sahara was green and filled with life, according to the course of rivers and animal tracks that are found under its Sands.

The Sahara is the largest hot desert of the Earth. Its area is about 8.6 million km2, it extends to the territory of more than ten States. And it continues to grow every year adding to the South at 6-10 km.

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