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Ice Age
he Last Glacial Period (LGP), also known colloquially as the last ice age or simply ice age, occurred from the end of the Eemian to the end of the Younger Dryas, encompassing the period c. 115,000 – c. 11,700 years ago. The LGP is part of a larger sequence of glacial and interglacial periods known as the Quaternary glaciation which started around 2,588,000 years ago and is ongoing. The definition of the Quaternary as beginning 2.58 million years ago (Mya) is based on the formation of the Arctic ice cap. The Antarctic ice sheet began to form earlier, at about 34 Mya, in the mid-Cenozoic (Eocene
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As a result, the distribution maps for plant species don't look the same from interglacial to interglacial. Each climate change creates a new map, with new communities of species living together. Whole suites of species do not pick up en masse and decorously tiptoe south, making sure to keep together. It is rather mad scramble - albeit in geological time.
Some of today's ecosystems have not fully bounced back from the last glaciation. One analysis suggested that thirty-six of fifty-five Europea
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― Rambunctious Garden: Saving Nature in a Post-Wild World
― Rambunctious Garden: Saving Nature in a Post-Wild World
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The Greek geographers of Alexandria, when they prepared their world map using the circumference of Eratosthenes, had in front of them source maps that had been drawn without the Eratosthenian error, that is, apparently without any discernible error at all. We shall see further evidence of this, evidence suggesting that the people who originated the maps possessed a more advanced science than that of the Greeks.
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― Maps of the Ancient Sea Kings: Evidence of Advanced Civilization in the Ice Age
― Maps of the Ancient Sea Kings: Evidence of Advanced Civilization in the Ice Age
