{"id":"W3165763021","doi":"10.1038/s42003-021-02212-z","title":"Zinc isotopes from archaeological bones provide reliable trophic level information for marine mammals","year":2021,"lang":"en","type":"article","venue":"Communications Biology","topic":"Isotope Analysis in Ecology","field":"Environmental Science","cited_by":46,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University; Trent University","funders":"Social Sciences and Humanities Research Council of Canada; Max-Planck-Institut für Evolutionäre Anthropologie; Max-Planck-Gesellschaft; Deutsche Forschungsgemeinschaft","keywords":"Trophic level; δ15N; Isotope analysis; Food web; Arctic; Isotopes of nitrogen; Ecology; Stable isotope ratio; Ursus maritimus; δ13C; Isotope; Isotopes of carbon; Predation; Food chain; Environmental science; Biology; Total organic carbon","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.0002934836,0.0001162437,0.0002412153,0.00004625441,0.0002967499,0.00001878133,0.000966873,0.0001683555,0.002276737],"category_scores_gemma":[0.0006115329,0.0001044582,0.00008436933,0.0002250887,0.0006493583,0.0002237007,0.002384545,0.0001679651,0.0006297216],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000101698,"about_ca_system_score_gemma":0.00003574298,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0007613142,"about_ca_topic_score_gemma":0.003184686,"domain_scores_codex":[0.9988081,0.0002373904,0.0004145739,0.0002239402,0.00005668574,0.0002592989],"domain_scores_gemma":[0.9977701,0.0005389304,0.0001584607,0.001428787,0.00005669203,0.00004708815],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00009676201,0.0004872183,0.786496,0.00001535713,0.0001784911,0.000003205213,0.0007781458,0.0006685288,0.01497807,0.06143731,0.008147711,0.1267132],"study_design_scores_gemma":[0.0004980527,0.0001113148,0.1409127,0.000003933781,0.00005152054,0.00001133083,0.0001548238,0.005268737,0.001751399,0.06685166,0.7841705,0.0002140214],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8747171,0.0007661385,0.03617635,0.04541155,0.0003720894,0.001543332,0.0003723313,0.0002193199,0.04042186],"genre_scores_gemma":[0.8339952,0.0006648291,0.1600878,0.001804912,0.00003052171,0.0004594634,0.001753305,0.000008365177,0.001195533],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7760228,"threshold_uncertainty_score":0.9986353,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04315066449991489,"score_gpt":0.2840798556756781,"score_spread":0.2409291911757632,"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."}}