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Indigenous Amazonia Populations may have Declined due to Climate Change Before Great Dying
Written by AZoCleantechMay 25 2021
A new study has proposed that the effects of climate change experienced in the Amazon rainforest before the arrival of European settlers after 1492 might have implied that populations of indigenous people were already declining before the Great Dying.
Image Credit: shutterstock.com/worldclassphoto
Researchers investigating charcoal data and fossil pollen collected throughout the Amazon stated that it seems to demonstrate that human management of the rainforest might have peaked close to 1200 AD, before a few sites were abandoned, thus enabling reforestation of such regions.
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Climate change impacts felt in the Amazon rainforest prior to the arrival of European settlers after 1492 may have meant populations of indigenous people were already in decline before the Great Dying , new research has suggested.
Scientists studying fossil pollen and charcoal data from across the Amazon say it appears to show that human management of the rainforest may have peaked around 1200 AD, before some sites were abandoned, allowing reforestation of these areas.
The new research, involving University of Reading scientists and published in the journal
Science, challenges the prior assumption that the largest population decrease in the Americas - known as the Great Dying - did not start until after European settlers carried new diseases to the continent.