Amazonian rainforests once thought to be pristine wildernesses are increasingly known to have been inhabited by large populations before European contact. Prior to anthropogenic forest that had been actively managed for millennia, bamboo forest dominated the region for ≥6,000 years.

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Amazonian rainforests once thought to be pristine wildernesses are increasingly known to have been inhabited by large populations before European contact. Prior to anthropogenic forest that had been actively managed for millennia, bamboo forest dominated the region for ≥6,000 years.