{"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":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002178792,0.0002518153,0.0002291835,0.0008437375,0.0008274624,0.000509757,0.0001640764,0.0002405878,0.0006728179],"category_scores_gemma":[0.0005159946,0.0001322247,0.0002022765,0.0006893346,0.0003438666,0.0002764234,0.0005465731,0.0001614976,0.00007406331],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001647668,"about_ca_system_score_gemma":0.0008196009,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.2469468,"about_ca_topic_score_gemma":0.4769268,"domain_scores_codex":[0.9998535,0.00001564202,0.000006250674,0.00003080022,0.0000602243,0.00003362447],"domain_scores_gemma":[0.9995995,0.00003268438,0.0001166101,0.00001253686,0.0001263387,0.0001122972],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0002205586,0.00003594964,0.9646388,0.00004221539,0.0001017669,0.0001323522,0.0006452558,0.0001862394,0.02503307,0.0000705752,0.00007067219,0.008822583],"study_design_scores_gemma":[4.766857e-7,0.00003468241,0.9992856,0.000002438873,0.00001063948,0.00004256285,0.0001472328,0.00008992929,0.0002533276,0.0000133751,0.0001174813,0.000002209137],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9990553,0.0003447434,0.00006719209,0.00001166408,9.046875e-7,0.000002770161,0.0001018569,0.000002243533,0.0004132552],"genre_scores_gemma":[0.9988869,0.0003048535,0.0003241218,0.00001556155,0.000002140235,0.000005530137,0.0001624123,0.000001282184,0.000297242],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2469468,"threshold_uncertainty_score":0.4910188,"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."}}