WATER AND NUTRIENT CYCLE
1. Leaves in the canopy catch raindrops, helping to protect the soil from erosion
2. Rainwater drips off leaves and trickles down branches, then sinks into the soil.
3. Water as well as nutrients from decomposed leaves are absorbed by roots adn sent up into branches and leaves.
4. Leaves transpire, releasing water vapor into the atmosphere. The cycle begins again.
RAIN FOREST CIRCULATION
Much of Amazonias water stays in Amazonia. Winds from the east blow moist ocean air over the forest, and plant transpiration circulates more than half the rainfall back into the atmosphere—a cycle that repeats four or five times, moving from the Atlantic to the Andes.
A shrinking forest threatens to interrupt this cycle.
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