{"id":"W1942372598","doi":"10.1007/s10533-015-0107-2","title":"Distinct fungal and bacterial δ13C signatures as potential drivers of increasing δ13C of soil organic matter with depth","year":2015,"lang":"en","type":"article","venue":"Biogeochemistry","topic":"Isotope Analysis in Ecology","field":"Environmental Science","cited_by":61,"is_retracted":false,"has_abstract":false,"ca_institutions":"Natural Resources Canada; Canadian Forest Service; Memorial University of Newfoundland","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Microbial population biology; Microorganism; Soil organic matter; Organic matter; Biomass (ecology); Soil carbon; δ13C; Soil water; Bulk soil; Environmental chemistry; Biology; Environmental science; Chemistry; Ecology; Bacteria; Stable isotope ratio","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":[0.0001581714,0.0001287281,0.0002070889,0.00001933419,0.00003550173,0.00001156003,0.0001822934,0.0001211921,0.002491728],"category_scores_gemma":[0.00005578919,0.0001099574,0.00003813758,0.0001164376,0.0004460208,0.00007304794,0.0002271235,0.00008653889,0.0000390923],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0000610294,"about_ca_system_score_gemma":0.00003817029,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0007155472,"about_ca_topic_score_gemma":0.0002466912,"domain_scores_codex":[0.9991169,0.00004363121,0.0001849816,0.0002494758,0.0002251965,0.0001798213],"domain_scores_gemma":[0.9994707,0.00002862838,0.0001651138,0.0002153351,0.0000225222,0.00009773419],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0001483468,0.00004114915,0.4499023,0.00001262223,0.00003670602,0.00001363269,0.00007062002,0.00002132465,0.5492981,6.968196e-7,0.0003863602,0.0000681535],"study_design_scores_gemma":[0.0007220195,0.00009901864,0.3558225,0.00001559136,0.0001356683,0.00009281652,0.0002239729,0.00006377047,0.6424679,0.0000613807,0.0001137779,0.0001815032],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9948661,0.00002125571,0.00001577672,0.00003560019,0.00004233786,0.00005037446,0.0000188922,0.000008786985,0.0049409],"genre_scores_gemma":[0.9992856,0.000002520026,0.0004526334,0.00002731785,0.0000493664,0.000001879036,0.00003121313,0.00001091647,0.0001385868],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.09407975,"threshold_uncertainty_score":0.9984201,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.003982258407107701,"score_gpt":0.1879471597511955,"score_spread":0.1839649013440878,"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."}}