The Sahara Desert Feeds the Amazon

Описание: Every year, the Amazon's rivers wash phosphorus from its soil. Yet the forest never starves.

The answer rides the wind: 182 million tons of Saharan dust leave North Africa each year, and the phosphorus-rich dust from the dried bed of ancient Lake Mega-Chad replaces almost exactly the 22,000 tons of phosphorus the Amazon loses.

#shorts #geography #earthscience #science #amazon #sahara