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Global land cover change from 8000 BP to -50 BP‬

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Uploaded on Jan 20, 2011

This animation shows the global pattern of human land use over the last eight thousand years, a time when human populations began expanding following the origins of agriculture. The earliest areas of human land use are in Mesopotamia and the Fertile Crescent areas of southwest Asia, followed by increasing areas of land use in China, India, and Europe. Watch for the areas of intensive land use developing in India, especially along the Ganges River plane, and in Northern China along the lower Yellow and Yangtze rivers. As time goes on, you will see areas of land use developing in South America, along the Andes, and in Africa, especially in the Sahel region. By classical times, land use in Europe is very intense with up to 60% of the land under human uses, but we start to see fluctuations around this time too, with some areas abandoned corresponding with wars, famine, and other historical events that affected human populations. As time continues through the Middle Ages and Renaissance, land use in Europe and Chine increase greatly following the development of cities and towns. Now pay careful attention to South America. Following the first contact with Europeans around 1500, nearly 90% of the indigenous people of the Americas were killed, mainly by disease. This collapse in populations led to massive regrowth of natural vegetation, especially forests in the Amazon, Andes, and Mesoamerica. As we race towards modern times we see the settlement of the Americas and Australia by Europeans spreading across the continents, and the development of the human-dominated world we have today.

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