Ancient Amazonians intentionally created fertile “dark earth”
2023年9月20日 · A new study suggests patches of fertile soil in the Amazon, known as dark earth, were intentionally produced by ancient Amazonians as a way to improve the soil and sustain large and complex societies.
Terra preta - Wikipedia
Terra preta (Portuguese pronunciation: [ˈtɛʁɐ ˈpɾetɐ], literally "black soil" in Portuguese), also known as Amazonian dark earth or Indian black earth, is a type of very dark, fertile anthropogenic soil (anthrosol) found in the Amazon Basin.
Intentional creation of carbon-rich dark earth soils in the Amazon
2023年9月20日 · Dark earth soils in the Amazon are evidence for past resource management that may have sustained large populations despite naturally low soil nutrients. Our results suggest that much of the dark earth found in the Upper Xingu region of the Amazon was intentionally created in ancient times and show that it is still being created today by ...
Recipe For "Dark Earth" Finally Uncovered in The Amazon's Depths
Yet mysteriously fertile "dark earth" called terra preta can be found in patches across hundreds of sites, the origins of which have sparked debate among scientists. Now new research from the US and Brazil says ancient Amazonians intentionally enriched areas of the forest to nourish crops for centuries, locking up carbon in the process.
Dark Earth Deciphered: Ancient Amazonians Intentionally
2023年9月25日 · But over the years, archaeologists have dug up mysteriously black and fertile patches of ancient soils in hundreds of sites across the Amazon. This “dark earth” has been found in and around human settlements dating back hundreds to thousands of years.
Ancient Amazonians created mysterious ‘dark earth’ on purpose
2023年9月20日 · Mysterious patches of fertile black soil pepper the verdant Amazon rainforest. They sit in stark contrast with the reddish, eroded soil that dominates the basin. Researchers have long thought this Amazonian dark earth—or terra preta —was created by pre-Hispanic Indigenous civilizations, which have inhabited the region for millennia, but it ...
Indigenous people may have made the Amazon’s ‘dark earth’ on …
2023年1月5日 · Most scientists today agree that the presence of dark earth near archaeological sites means that long-ago Amazonians used this soil to grow crops. But while some archaeologists argue that...
A new hypothesis for the origin of Amazonian Dark Earths
2021年1月4日 · Amazonian Dark Earths (ADEs) are unusually fertile soils characterised by elevated concentrations of microscopic charcoal particles, which confer their distinctive colouration. Frequent...
Ancient Amazonians intentionally created fertile “dark earth”
2023年9月20日 · But over the years, archaeologists have dug up mysteriously black and fertile patches of ancient soils in hundreds of sites across the Amazon. This “dark earth” has been found in and around human settlements dating back hundreds to thousands of years.
The 'dark earth' revealing the Amazon's secrets - BBC
2024年1月16日 · Amid the discovery of a lost city in the Amazon rainforest, scientists are uncovering a different kind of relic underground – one that's still being used today.