Deep green and full of life: these are the key facts of the Amazon rainforest. There is probably no other jungle in the world that is so impressive. For good reason, the Amazon is also called "the green lung of the earth". Wander through the jungle to the most extraordinary places.
Natural
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The rainforest likely formed during the Eocene era (from 56 million years to 33.9 million years ago). It appeared following a global reduction of tropical temperatures when the Atlantic Ocean had widened sufficiently to provide a warm, moist climate to the Amazon basin. The rainforest has been in existence for at least 55 million years, and most of the region remained free of savanna-type biomes at least until the current ice age when the climate was drier and savanna more widespread.
Human activity
Based on archaeological evidence from an excavation at Caverna da Pedra Pintada, human inhabitants first settled in the Amazon region at least 11,200 years ago. Subsequent development led to late-prehistoric settlements along the periphery of the forest by AD 1250, which induced alterations in the forest cover. rainforest was never more than sparsely populated, as it was impossible to sustain a large population through agriculture given the poor soil. Archeologist Betty Meggers was a prominent proponent of this idea, as described in her book Amazonia: Man and Culture in a Counterfeit Paradise. She claimed that a population density the maximum that can be sustained in the rainforest through hunting, with agriculture needed to host a larger population.However, recent anthropological findings have suggested that the region was actually densely populat
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