{"id":"W2129920251","doi":"10.1073/pnas.0910275107","title":"Tropical forests were the primary sources of new agricultural land in the 1980s and 1990s","year":2010,"lang":"en","type":"article","venue":"Proceedings of the National Academy of Sciences","topic":"Conservation, Biodiversity, and Resource Management","field":"Environmental Science","cited_by":1856,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"U.S. Department of Energy","keywords":"Agriculture; Agricultural land; Agroforestry; Tropics; Land cover; Geography; Land use; Tropical forest; Environmental science; Natural resource economics; Environmental protection; Ecology; Economics; Biology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01913378038226898,"score_gpt":0.2277562632762946,"score_spread":0.2086224828940256,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}