{"id":"W2014574812","doi":"10.1126/science.1154913","title":"Climate-Driven Ecosystem Succession in the Sahara: The Past 6000 Years","year":2008,"lang":"en","type":"article","venue":"Science","topic":"Geology and Paleoclimatology Research","field":"Earth and Planetary Sciences","cited_by":691,"is_retracted":false,"has_abstract":true,"ca_institutions":"Université du Québec à Montréal; Institut National de la Recherche Scientifique","funders":"","keywords":"Ecosystem; Ecological succession; Arid; Climate change; Holocene; Monsoon; Physical geography; Geography; Ecology; Natural (archaeology); Environmental science; Climatology; Geology; Oceanography; Archaeology","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00033314,0.0001333562,0.0001472212,0.0009188255,0.0004905038,0.0007828104,0.0001745264,0.0002958028,0.001210682],"category_scores_gemma":[0.0008454766,0.0001253717,0.0001459447,0.001049964,0.0003323456,0.0005075083,0.000509132,0.0001803054,0.0001442511],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007241016,"about_ca_system_score_gemma":0.0003699065,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.01448914,"about_ca_topic_score_gemma":0.02054063,"domain_scores_codex":[0.99992,0.00002143921,0.00000876618,0.00001507042,0.00001055948,0.00002400609],"domain_scores_gemma":[0.999777,0.00002826198,0.00007822867,0.00001184886,0.00004457862,0.00006013172],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002225009,0.00003439557,0.9550928,0.0002023523,0.0001998474,0.001141229,0.002953231,0.001392855,0.003680813,0.0009270544,0.0009732663,0.03317976],"study_design_scores_gemma":[0.000004222925,0.00001731199,0.9965672,0.00002041393,0.00001607944,0.0002120981,0.0005018048,0.0003923787,0.00009909905,0.0001368408,0.002027798,0.000004629147],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9969143,0.001832796,0.00005094682,0.0001570581,0.00001143968,0.000001741535,0.0003403986,0.000004709966,0.0006866988],"genre_scores_gemma":[0.9988298,0.000762292,0.00005289165,0.00003038482,0.0000126751,0.000002300431,0.0002046614,0.000001497847,0.0001035456],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01448914,"threshold_uncertainty_score":0.02880961,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02378673886030238,"score_gpt":0.2544500413050182,"score_spread":0.2306633024447158,"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."}}