{"id":"W4391465523","doi":"10.1139/as-2023-0060","title":"An assessment of microplastics in fecal samples from polar bears (<i>Ursus maritimus</i>) in Canada's North","year":2024,"lang":"en","type":"article","venue":"Arctic Science","topic":"Microplastics and Plastic Pollution","field":"Environmental Science","cited_by":12,"is_retracted":false,"has_abstract":true,"ca_institutions":"National Research Council Canada; Government of Nunavut; Environment and Climate Change Canada; Government of Northwest Territories; Queen's University","funders":"Northern Contaminants Program; Natural Sciences and Engineering Research Council of Canada; Queen's University; Government of Canada; Environment and Climate Change Canada; Genome Canada; Ontario Genomics; Ontario Genomics Institute","keywords":"Microplastics; Feces; Ursus maritimus; Ingestion; Polypropylene; Polyethylene; Polyethylene terephthalate; Environmental chemistry; Biology; Environmental science; Ecology; Chemistry; Arctic; Materials science","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":true,"about_ca":true,"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":[0.0002497363,0.0003733021,0.0002505408,0.001112199,0.00234698,0.0008750945,0.0002866906,0.000220736,0.0005387577],"category_scores_gemma":[0.0002893084,0.0002163342,0.0001739076,0.0007959476,0.000540425,0.0001829049,0.0003018458,0.0001894596,0.0001464106],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001920931,"about_ca_system_score_gemma":0.002767066,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.6774966,"about_ca_topic_score_gemma":0.8810758,"domain_scores_codex":[0.9997469,0.00001110735,0.000009241653,0.00005954692,0.0001130747,0.0000600931],"domain_scores_gemma":[0.9996867,0.00001690214,0.0000526631,0.000008061112,0.0001803772,0.00005519688],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002585413,0.00003840459,0.8925046,0.0001029862,0.00008175714,0.0004017184,0.002420289,0.0001462562,0.09064096,0.00007001033,0.0002345828,0.01309998],"study_design_scores_gemma":[0.000001442565,0.00006205064,0.9929785,0.0000129628,0.00002466336,0.0001808804,0.001429993,0.0001103334,0.004325874,0.000009320907,0.0008593118,0.00000482053],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.998176,0.0002507067,0.0002576769,0.00001843658,0.000003203916,0.00002030655,0.0004470451,0.00000542419,0.000821319],"genre_scores_gemma":[0.9955914,0.0005739773,0.001742251,0.00006015299,0.000005587693,0.00001714139,0.0007890491,0.00000717381,0.00121336],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3225034,"threshold_uncertainty_score":0.6488054,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008396145646195442,"score_gpt":0.2426702080217872,"score_spread":0.2342740623755918,"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."}}