Rainforests have four main layers: the emergent, the canopy, the under canopy and the forest floor. The top emergent layer of the rainforest ... trees in the forest, some over 50 m in height.

Forest canopies intercept some precipitation ... water pumps between the soil and the atmosphere. The boundary layer of the canopy is determined by the shape, density, and aerial spread of ...

The pristine canopy of the Amazon rainforest is breathtaking when seen ... Hundreds of felled trees blackened and charred, some of them over a thousand years old. The trees are burnt to weaken ...