Pre-Columbian landuse and legacy effects in Amazonia - Mark Bush
Автор: Yadvinder Malhi
Загружено: 2021-07-16
Просмотров: 454
Описание:
Mark Bush (Professor of Biology at the Florida Institute of Technology) presents a fascinating exploration of the evidence of how indigenous peoples prior to European arrival affected land use and vegetation cover in the Amazon and Andes. It has been suggested that the arrival of Europeans (and in particular their diseases) led to a collapse of populations in Amazonia, as it almost certainly did in Mesoamerica and the Andes). This may have led to forest growth that contributed to a drawdown of carbon dioxide visible in Antarctic ice cores. However, the direct evidence for this is very limited
Drawing on a range of evidence from historical records, archaeological sites and paleoecology, Mark Bush explores what we know about the "Great Dying" in Amazonia. In particular, he draws on analysis of palaeorecords from 39 lakes Amazonia. Remarkable, the studies show little evidence of land abandonment after European arrival but instead to land abandonment and forest expansion a few centuries before. What could have caused this earlier abandonment, and what does it tell us about how the modern Amazon forest is shaped by its human past?
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