{"id":"W1990618515","doi":"10.1021/es9003894","title":"Perfluoroalkyl Contaminants in an Arctic Marine Food Web: Trophic Magnification and Wildlife Exposure","year":2009,"lang":"en","type":"article","venue":"Environmental Science & Technology","topic":"Per- and polyfluoroalkyl substances research","field":"Environmental Science","cited_by":552,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University; Fisheries and Oceans Canada","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Trophic level; Food web; Environmental chemistry; Biomagnification; Bioaccumulation; Perfluorooctane; Chemistry; Food chain; Chlordane; Biota; Persistent organic pollutant; Polybrominated diphenyl ethers; Contamination; Pesticide; Ecology; Biology; Pollutant; Organic chemistry","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["sts","insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0005037431,0.000230328,0.0002121168,0.0003886108,0.0003366408,0.00005706733,0.0008160206,0.0001737426,0.0009995776],"category_scores_gemma":[0.00003708628,0.0002175463,0.00002524712,0.001114674,0.002722875,0.0008503015,0.000398682,0.0003707894,0.0001901927],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006049654,"about_ca_system_score_gemma":0.00002395383,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00004924287,"about_ca_topic_score_gemma":0.0004016804,"domain_scores_codex":[0.9973611,0.00005933645,0.0002905845,0.0008742209,0.0006213454,0.0007934395],"domain_scores_gemma":[0.9991052,0.00001576166,0.00007862568,0.0005603691,0.000003195898,0.0002368349],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0000178742,0.0001827014,0.5476823,0.000001563649,7.576795e-7,0.0000125526,0.0001440642,0.00002172456,0.2417421,0.0001078023,0.00001008412,0.2100765],"study_design_scores_gemma":[0.0006039516,0.001429866,0.9821989,0.000007824273,0.000004219271,0.00005915345,0.0004199497,0.0008033146,0.0100494,0.001325453,0.002826352,0.0002716089],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.995845,0.000915191,0.00001190056,0.001827388,0.00004511851,0.0003597229,0.000009537921,0.00007149352,0.0009146425],"genre_scores_gemma":[0.9980685,0.0007594192,0.0006073313,0.0003328762,0.00001679553,0.00003831624,0.000007329544,0.00001153413,0.0001579693],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4345166,"threshold_uncertainty_score":0.9999911,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008433700163593833,"score_gpt":0.2346522086042591,"score_spread":0.2262185084406653,"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."}}