{"id":"W2056843898","doi":"10.1139/f01-072","title":"Stable isotope composition of walleye: <sup>15</sup>N accumulation with age and area-specific differences in δ<sup>13</sup>C","year":2001,"lang":"en","type":"article","venue":"Canadian Journal of Fisheries and Aquatic Sciences","topic":"Isotope Analysis in Ecology","field":"Environmental Science","cited_by":163,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Trophic level; Stable isotope ratio; Isotope analysis; Isotopes of nitrogen; Isotope; δ15N; Stizostedion; Food web; Composition (language); Fractionation; δ13C; Isotopes of carbon; Biology; Ecology; Nitrogen; Chemistry; Zoology; Animal science; Fishery; Total organic carbon; Fish <Actinopterygii>","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":true,"about_ca":false,"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":[0.0001901156,0.000189413,0.0001418438,0.0006802473,0.0003004616,0.0003533284,0.0001454596,0.0002645938,0.0004117207],"category_scores_gemma":[0.0003189508,0.0001831862,0.00009533933,0.0005137133,0.0003027987,0.0002352323,0.0002559964,0.0001573485,0.0001099211],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006308131,"about_ca_system_score_gemma":0.0002315972,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.02228979,"about_ca_topic_score_gemma":0.06408838,"domain_scores_codex":[0.9998851,0.00001426864,0.000008029692,0.00004055441,0.00003009956,0.0000219041],"domain_scores_gemma":[0.9997291,0.0000281902,0.0001108869,0.00001019017,0.000084365,0.00003726615],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0003046136,0.00001628913,0.8213678,0.00002405693,0.00007174338,0.0001567507,0.0003426519,0.0001617749,0.1726553,0.00002940251,0.00006501147,0.00480466],"study_design_scores_gemma":[0.000001303126,0.00002719954,0.997294,0.0000015725,0.00000622376,0.0000677053,0.00004508628,0.0001054252,0.002339524,0.000009033695,0.0001010988,0.000001872126],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9996576,0.00006893713,0.00007073,0.000002804558,6.905662e-7,8.426899e-7,0.00008626514,0.000001644886,0.0001104815],"genre_scores_gemma":[0.9989749,0.00004987251,0.0002570283,0.00001327245,0.0000012684,0.000004210644,0.0002679212,0.000002800558,0.0004286683],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.02228979,"threshold_uncertainty_score":0.04432011,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02894518652070512,"score_gpt":0.220706210908551,"score_spread":0.1917610243878459,"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."}}