Even before Europeans arrived, farmers were changing South American ecosystems with a landscaping method previously unrecognised in the region.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/how-interfering-humans-helped-amazon-diversity
[2] http://admin.indiaenvironmentportal.org.in/category/author/anil-ananthaswamy
[3] http://admin.indiaenvironmentportal.org.in/category/journal/new-scientist
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/land-use
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/amazon
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/farmers
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/traditional-knowledge
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/biodiversity
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/belize
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/mexico
[13] http://admin.indiaenvironmentportal.org.in/category/thesaurus/bolivia
[14] http://admin.indiaenvironmentportal.org.in/category/thesaurus/french-guiana
[15] http://admin.indiaenvironmentportal.org.in/category/thesaurus/suriname
[16] http://admin.indiaenvironmentportal.org.in/category/thesaurus/venezuela
[17] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ecosystems