{"id":"W4410242429","doi":"10.1111/gcb.70197","title":"Soil Carbon Saturation: What Do We Really Know?","year":2025,"lang":"en","type":"review","venue":"Global Change Biology","topic":"Soil Carbon and Nitrogen Dynamics","field":"Agricultural and Biological Sciences","cited_by":101,"is_retracted":false,"has_abstract":true,"ca_institutions":"Agriculture and Agri-Food Canada","funders":"Lawrence Livermore National Laboratory; Division of Environmental Biology; Bayerisch-Kalifornischen Hochschulzentrum; Arcadia Fund; U.S. Department of Energy; National Institute of Food and Agriculture; National Science Foundation","keywords":"Soil carbon; Environmental science; Saturation (graph theory); Carbon sequestration; Soil water; Soil science; Environmental resource management; Ecology; Biology; Carbon dioxide","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"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":[0.002641659,0.001103258,0.002848468,0.002321603,0.0004924022,0.002752395,0.001832712,0.002940137,0.002259825],"category_scores_gemma":[0.00684544,0.0004846439,0.0008185137,0.00305636,0.002828986,0.007433243,0.001121688,0.003490849,0.001392458],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001820882,"about_ca_system_score_gemma":0.003799446,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.005233718,"about_ca_topic_score_gemma":0.005780548,"domain_scores_codex":[0.9992736,0.000198525,0.0001027249,0.0001687787,0.0002019368,0.00005454037],"domain_scores_gemma":[0.9949994,0.003450595,0.0003941612,0.0001329948,0.000821979,0.0002008815],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.00007313907,0.00004092511,0.0007242142,0.03146891,0.0002186738,0.0001281704,0.0002882729,0.0008585769,0.0006560432,0.01980682,0.02881175,0.9169244],"study_design_scores_gemma":[0.00001635016,0.0001099636,0.002213953,0.01897798,0.0002699507,0.0007688023,0.0005760939,0.0003570704,0.0005137132,0.0294769,0.9466425,0.00007668672],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"review","genre_gemma":"review","genre_scores_codex":[0.000105244,0.9963019,0.0001757195,0.002614969,0.0003667922,0.000002370972,0.00002121247,0.000005146608,0.0004066545],"genre_scores_gemma":[0.001513951,0.9966843,0.0001889582,0.0009481474,0.000472436,0.000005080391,0.0000247259,0.000002826863,0.0001595644],"genre_candidate":"review","genre_consensus":"review","teacher_disagreement_score":0.005233718,"threshold_uncertainty_score":0.01397061,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.05359818840755692,"score_gpt":0.3071352930757024,"score_spread":0.2535371046681455,"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."}}