Tuesday, May 20, 2014

Spanish Conquest May Have Altered Peru's Shoreline

sciencehabit (1205606) writes "The Spanish conquest of the Inca had a profound effect on Peru's indigenous people, but a new study reveals that it also had an unexpected impact on the land itself. Before the Spaniards arrived, inhabitants of the arid northern Peruvian coast clad massive sand dune-like ridges with an accidental form of 'armor': millions of discarded mollusk shells, which protected the ridges from erosion for nearly 4700 years and produced a vast corrugated landscape that is...

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