A recently paper from Queens University Belfast and Cambridge published in the Journal of Archeological Science says that mounting evidence shows that people living in South East Asia have been intensively managing the Rain Forest there since the end of the Pleistocene. And that "[evidence] suggest(s) that the forests of this vast region are, to an extent, a cultural artefact[sic]"
Abstract
http://www.sciencedirect.com/science/article/pii/S030544031300441X
and article (there is an annoying video add)
http://www.natureworldnews.com/articles/5768/20140124/humans-influenced-southeast-asian-rainforests-last-ice-age.htm
The take? One of the most diverse abundant ecosystems on earth may be largely man made
Edit: removed redundant 'publish'