@mekkaokereke there's also increasing evidence (I don't have the study at hand, but I could probably track it down if you haven't seen it) that regions with high "natural" biodiversity in the Amazon are actually heavily cultivated areas, maintained over thousands and thousands of years by the folks living there.
(Who, incidentally, have been saying that the whole time.)
The forests just don't look like European-style row crops, so we don't see them.