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A c. 18kacal BP long sediment record from Laguna Khomer Kocha Upper (4153m asl), Bolivia, shows that fire regime, governed by climatic variation, has long been a transformative agent in the eastern Andes. Before c. 14.5kacal BP, warming and relatively moist conditions free from fire, facilitated the expansion of high Andean Polylepis woodland. Fire onset at c. 14.5.kacal BP, quickly transformed the...
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