{"id":"W1895288913","doi":"10.1029/2001gb001462","title":"Carbon isotope discrimination in forest and pasture ecosystems of the Amazon Basin, Brazil","year":2002,"lang":"en","type":"article","venue":"Global Biogeochemical Cycles","topic":"Plant Water Relations and Carbon Dynamics","field":"Environmental Science","cited_by":110,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Lethbridge","funders":"","keywords":"Environmental science; Pasture; Seasonality; Carbon cycle; δ13C; Isotopes of carbon; Ecosystem; Tree canopy; Vegetation (pathology); Ecology; Canopy; Atmospheric sciences; Stable isotope ratio; Total organic carbon; Biology; Geology","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":[0.0002673617,0.0002726416,0.0003004155,0.0007360907,0.000421058,0.0004703413,0.0002395742,0.0001629609,0.00044599],"category_scores_gemma":[0.0006510582,0.000254131,0.0001632426,0.0008003504,0.0004028232,0.0003757546,0.0003412126,0.0001122614,0.00006697731],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006312077,"about_ca_system_score_gemma":0.0003622884,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.06207668,"about_ca_topic_score_gemma":0.1422436,"domain_scores_codex":[0.9998642,0.00002305845,0.00001520999,0.00004102354,0.00003279183,0.00002366276],"domain_scores_gemma":[0.9997399,0.00004255832,0.00009751941,0.00001544739,0.00007029789,0.00003422209],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0001308907,0.00005886556,0.9344319,0.0001309544,0.0001029549,0.0002423569,0.002899072,0.00025031,0.04541996,0.000305333,0.00009432778,0.01593296],"study_design_scores_gemma":[0.000006164011,0.00003539793,0.9979102,0.000009825648,0.00001750701,0.0001194884,0.0004671756,0.0003935056,0.0004634494,0.00008218642,0.0004896528,0.000005457965],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.998481,0.0003819955,0.0001542331,0.00001700634,0.000001416292,0.0000113244,0.000157743,0.000005802828,0.0007895376],"genre_scores_gemma":[0.9991645,0.0001982461,0.000349065,0.00001429092,0.000001390446,0.000007197324,0.000155186,0.000003227779,0.0001068397],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.06207668,"threshold_uncertainty_score":0.1234307,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005783445052169141,"score_gpt":0.1934841396521263,"score_spread":0.1877006945999572,"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."}}