Formative period archaeology, upper amazon, Mayo Chinchipe Marañón. (Other Keyword)

DOCUMENT Citation Only Francisco Valdez.

Hypotheses that held Amazonia untenable for the development of complex societies have now been discarded. The presumed incapacity of the soil to ensure permanent agricultural production (sustain large populations) has been proved false, not because of the limitations of the soil, but rather because Amazonians found ways to overcome the flaws and develop adequate strategies for sustainable food production. Recent studies show that early complexity was present in the tropics with forms of typical...