{"id":"W2006639021","doi":"10.1191/0959683604hl762rp","title":"A 130 0-year history of vegetation and environmental change at Jan Lake, east-central Alaska","year":2004,"lang":"en","type":"article","venue":"The Holocene","topic":"Geology and Paleoclimatology Research","field":"Earth and Planetary Sciences","cited_by":28,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"National Aeronautics and Space Administration; National Science Foundation","keywords":"Macrofossil; Pollen; Tundra; Vegetation (pathology); Geology; Holocene; Taiga; Physical geography; Chronology; Radiocarbon dating; Black spruce; Shrub; Ecology; Geography; Oceanography; Arctic; Forestry; Paleontology","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":[0.0001271281,0.00008302838,0.0001051294,0.0006044098,0.0006901543,0.0004575208,0.0001114086,0.0001402936,0.0005635284],"category_scores_gemma":[0.0001791212,0.0001117268,0.00006780445,0.0003750167,0.0002077685,0.0002820432,0.00042377,0.0001181084,0.00009792369],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0004423692,"about_ca_system_score_gemma":0.0002905141,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.05409658,"about_ca_topic_score_gemma":0.2112692,"domain_scores_codex":[0.9999536,0.000006424317,0.000004759201,0.00001287458,0.0000110064,0.00001130011],"domain_scores_gemma":[0.9998703,0.00001332467,0.00003846316,0.00000558357,0.00002852261,0.00004378243],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00006004236,0.00002449298,0.9924383,0.00001329181,0.00002092727,0.0002636184,0.001074324,0.0001339977,0.002442549,0.00002613678,0.0001117902,0.003390592],"study_design_scores_gemma":[7.757545e-7,0.000009526972,0.9989988,0.000002328488,0.000004039575,0.00004188103,0.0005702195,0.0001041536,0.00007307408,0.000006701764,0.0001871903,0.000001244032],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9996069,0.00002904699,0.00001241323,0.000006899023,8.180281e-7,9.10391e-7,0.0000907256,0.000001968709,0.000250265],"genre_scores_gemma":[0.9993821,0.00004736059,0.00004993415,0.000005918339,0.000001236685,0.000001907318,0.0001928966,7.784182e-7,0.0003178308],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.05409658,"threshold_uncertainty_score":0.1075634,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02712881105230133,"score_gpt":0.2019626022123715,"score_spread":0.1748337911600701,"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."}}