{"id":"W2046045941","doi":"10.3732/ajb.91.6.816","title":"Cytological and ultrastructural preservation in Eocene <i>Metasequoia</i> leaves from the Canadian High Arctic","year":2004,"lang":"en","type":"article","venue":"American Journal of Botany","topic":"Plant Diversity and Evolution","field":"Agricultural and Biological Sciences","cited_by":35,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Andrew W. Mellon Foundation","keywords":"Biology; Chloroplast; Ultrastructure; Botany; Plant litter; Ecology; Ecosystem","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0001108304,0.0002092152,0.0001821499,0.001021359,0.00197729,0.0008098832,0.0003257726,0.0003045131,0.0008107866],"category_scores_gemma":[0.0001936163,0.000233407,0.0001757637,0.0007003773,0.0004450604,0.0001657206,0.0003395055,0.0003019244,0.0003084763],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.003430989,"about_ca_system_score_gemma":0.001642715,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.6244274,"about_ca_topic_score_gemma":0.8278124,"domain_scores_codex":[0.9999136,0.000002324019,0.000003178946,0.00001671238,0.00002694803,0.00003724442],"domain_scores_gemma":[0.9998172,0.00001224647,0.00001934182,0.000008072828,0.00009493777,0.000048252],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.000360382,0.00001919953,0.1302087,0.0001356636,0.0000664085,0.0008342435,0.003371091,0.0003738157,0.8514898,0.0005779641,0.0003001273,0.01226268],"study_design_scores_gemma":[0.000002501875,0.00002009081,0.9829952,0.00001673633,0.00001651086,0.0003814021,0.001007006,0.0002105213,0.01075184,0.00003585891,0.004554075,0.000008272972],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9952984,0.0005902121,0.0002529512,0.00002976277,0.000004318375,0.000005269668,0.0005192138,0.00001234882,0.003287494],"genre_scores_gemma":[0.9936206,0.0004944224,0.0006416109,0.00005019879,0.000005150891,0.000008002766,0.001304118,0.00001720378,0.00385866],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3755726,"threshold_uncertainty_score":0.7555687,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01198105581349076,"score_gpt":0.1788888673439915,"score_spread":0.1669078115305007,"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."}}