Changes in the Andes Cause Flood Risks for South American Cities

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At more than 11,000 feet above sea level, very important ecosystems known as páramos exist. These kinds of ecosystems are only found in Central and South America and resemble a sort of alpine archipelago, each a link between distinct island ecosystems that exist nowhere else on the planet.

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Scientists Reconstruct Ancient Permian Ecosystem from Ash-Covered Plants

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Paleoecologists have reconstructed a Permian-era swampy forest, filled with long-extinct plant species, thanks to analyses of well-preserved fossils entombed in a layer of volcanic ash in northern China, under a coal mine. While many of the species are already known to science, the eruption that covered the tropical forest in ash created a sort of time capsule, preserving an unprecedented level of detail of the region’s flora.

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