{"id":"W2051961323","doi":"10.4996/fireecology.0401101","title":"Nitrogen Isotopic Composition and Elemental concentration of Tree-rings May Help Map the Extent of Historic Fire Events","year":2008,"lang":"en","type":"article","venue":"Fire Ecology","topic":"Fire effects on ecosystems","field":"Environmental Science","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of New Brunswick; Queen's University","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"δ15N; Betulaceae; Isotope analysis; Nitrogen; Environmental science; Ecology; Stable isotope ratio; Chemistry; Biology; δ13C; Physics","routes":{"ca_aff":true,"ca_fund":true,"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":[0.0001976108,0.000203909,0.000186058,0.0008670759,0.000238647,0.0002442158,0.0001538825,0.000179355,0.0007530251],"category_scores_gemma":[0.000285586,0.000109776,0.00006699532,0.000490837,0.000112114,0.0003527314,0.0001531695,0.0001124212,0.0001365679],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001500877,"about_ca_system_score_gemma":0.00008593393,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.006308506,"about_ca_topic_score_gemma":0.03246552,"domain_scores_codex":[0.9999595,0.000008179939,0.000003632094,0.00001439622,0.000007955581,0.00000636702],"domain_scores_gemma":[0.999822,0.00003763967,0.00006309593,0.00001074396,0.00004034355,0.00002633259],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001799881,0.00004657186,0.9064358,0.00002987378,0.00003363264,0.00009764037,0.0001747405,0.0003453472,0.07357011,0.00005446064,0.00008257055,0.01894934],"study_design_scores_gemma":[0.000001536294,0.00002519714,0.9964922,0.000002705738,0.000007411372,0.00008515338,0.000110742,0.0006020578,0.002399869,0.0000571798,0.0002133423,0.000002539349],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9984593,0.0001212293,0.0004194778,0.00000766569,0.000002602043,0.000002429765,0.0001125094,0.00001247515,0.0008621805],"genre_scores_gemma":[0.9982008,0.0001133783,0.001200209,0.000009478081,0.000002860316,0.000002523414,0.0001590463,0.000003936185,0.0003077455],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.006308506,"threshold_uncertainty_score":0.01254356,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006629955787737615,"score_gpt":0.1991985383987419,"score_spread":0.1925685826110043,"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."}}