Humans have been altering tropical forests for at least 45,000 years | Max-Planck-Gesellschaft https://www.mpg.de/11420915/humans-have-been-altering-tropical-forests
The first review of the global impact of humans on tropical forests in the ancient past shows that humans have been altering these environments for at least 45,000 years. This counters the view that tropical forests were pristine natural environments prior to modern agriculture and industrialization.
similar forest burning activities in Australia and New Guinea