{"id":"W2087923746","doi":"10.1139/x00-019","title":"Elevated atmospheric CO<sub>2</sub> and species mixture alter N acquisition of trees in stand microcosms","year":2000,"lang":"en","type":"article","venue":"Canadian Journal of Forest Research","topic":"Plant responses to elevated CO2","field":"Agricultural and Biological Sciences","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"U.S. Forest Service","keywords":"Liquidambar styraciflua; Monoculture; Microcosm; Biomass (ecology); Environmental science; Agronomy; Phytotron; Soil water; Botany; Chemistry; Biology; Ecology; Soil science","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":[0.0001215083,0.0002812588,0.0002882542,0.0001810417,0.0003363744,0.0004677082,0.0003618487,0.0002178801,0.0005507512],"category_scores_gemma":[0.0001810352,0.000281146,0.0001817821,0.0001231852,0.0002631932,0.000232609,0.0003191236,0.0004307866,0.0001109114],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006309656,"about_ca_system_score_gemma":0.0003512023,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.008585153,"about_ca_topic_score_gemma":0.03591417,"domain_scores_codex":[0.9998296,0.00002145673,0.00001138995,0.00005931759,0.00002955231,0.00004859739],"domain_scores_gemma":[0.9996632,0.00006234041,0.00006220761,0.00001834359,0.00003837635,0.0001554828],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"observational","study_design_scores_codex":[0.0003069137,0.00004844834,0.005264485,0.00002028781,0.000009639345,0.00004403815,0.0000525828,0.00004699726,0.9935213,0.00001556647,0.00002672991,0.0006431622],"study_design_scores_gemma":[0.00006111013,0.001514401,0.5928395,0.00001380718,0.0001029765,0.0003140912,0.0004218804,0.003442176,0.3997797,0.0000964322,0.001368901,0.00004499091],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.999382,0.00009646819,0.0001357986,0.00001004097,0.000004416233,0.00001003729,0.0001108447,0.00001607216,0.0002342976],"genre_scores_gemma":[0.9975259,0.0001264742,0.001320727,0.00005124822,0.00000507339,0.00003960545,0.0002901068,0.00001363237,0.0006273058],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.008585153,"threshold_uncertainty_score":0.01707035,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02117255541246436,"score_gpt":0.2461583917117126,"score_spread":0.2249858362992483,"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."}}