Desert dust feeds tropical rainforest

The Amazon rainforest in South America relies on dust transported by winds from the Sahara desert in North Africa to replenish the nutrients and minerals in its soils. For the first time, scientists have proved that over half the dust transported to the Amazon comes from one location in the Sahara, the Bodele depression, even though it makes up less than 1% of the Sahara. Without this supply of dust to replenish the nutrients in its soils, the Amazon could become a wet desert.

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<p><a href="http://www.physorg.com/news81439590.html">Desert dust feeds tropical rainforest</a></p> <p>The Amazon rainforest in South America relies on dust transported by winds from the Sahara desert in North Africa to replenish the nutrients and minerals in its soils. For the first time, scientists have proved that over half the dust transported to the Amazon comes from one location in the Sahara, the Bodele depression, even though it makes up less than 1% of the Sahara. Without this supply of dust to replenish the nutrients in its soils, the Amazon could become a wet desert.</p>