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Ancient fish dinners chart Sahara's shift from savannah to desert

19.02.2020
Příroda
Bones of fish eaten by humans thousands of years ago offer clue to region's ancient climateThe Sahara's shift from savannah with abundant lakes to a largely arid expanse has been traced in the remains of fish eaten thousands of years ago. Researchers analysing material found in a rock shelter in the Acacus mountains in south-west Libya say they have found more than 17,500 animal remains dating from between 10,200 and 4,650 years ago, 80% of which are fish. About two-thirds of the fish were catfish and the rest were tilapia. The team say telltale marks on the bones reveal the fish were eaten by humans who used the shelter. Continue reading...
Zdroj: The Guardian

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