Unverified50% confidenceFactExact time
Modern ecological surveys have found that the density of useful plants in the Amazon rainforest is far higher than expected from random distribution, with the proportion of domesticated and semi-domesticated species being particularly significant near ancient settlement sites.
1
Sources
50%
Confidence
Long-term
Relevance
8/9/2026
First Seen
Sources
亚马逊失落文明：3%雨林面积曾养活300万人口
Related Claims
UnverifiedThe Amazon rainforest covers approximately 5.5 million square kilometers, contains about 10% of the world's species diversity, and stores approximately 150 to 200 billion tons of carbon70% similarUnverifiedThe Brazilian portion of the Amazon rainforest covers approximately 4 million square kilometers, accounting for about 60% of the entire rainforest.67% similarUnverifiedBefore the arrival of colonizers, a region comprising only about 3% of the Amazon basin's rainforest area may have supported complex civilizations with a population of up to 3 million people.67% similarUnverified3% of the Amazon rainforest area is approximately 165,000 square kilometers, and a population of 3 million implies an average density of about 18 people per square kilometer66% similarUnverified巴西亚马逊雨林砍伐面积的约80%与牧场扩张直接相关，巴西塞拉多地区约75%的大豆种植用作动物饲料63% similar
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