{"id":"W2120632318","doi":"10.1139/x05-007","title":"Photosynthesis of birch (<i>Betula pendula</i>) is sensitive to springtime frost and ozone","year":2005,"lang":"en","type":"article","venue":"Canadian Journal of Forest Research","topic":"Plant responses to elevated CO2","field":"Agricultural and Biological Sciences","cited_by":38,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Photosynthesis; Betula pendula; Stomatal conductance; Frost (temperature); Ozone; Botany; Horticulture; Betulaceae; Betula pubescens; RuBisCO; Chemistry; Growing season; Biology; Meteorology","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.001336029,0.0001081549,0.0002420425,0.0002359662,0.0002124844,0.00008476258,0.0003629317,0.00009564883,0.0005003943],"category_scores_gemma":[0.0005557706,0.00004992423,0.00007397085,0.0006358792,0.0001985545,0.0001281016,0.00004805865,0.0003601298,0.00004551549],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001250311,"about_ca_system_score_gemma":0.000275262,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.02360159,"about_ca_topic_score_gemma":0.2890908,"domain_scores_codex":[0.9982637,0.0002076191,0.0003002503,0.0001775341,0.0004841521,0.0005668122],"domain_scores_gemma":[0.9976009,0.0006824916,0.00009008394,0.0000702504,0.0005476409,0.001008645],"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":[0.0006837391,0.00006901367,0.1671736,0.00001996356,0.0001086956,0.0007349434,0.001150327,0.00004628271,0.7148444,0.0003030183,0.0125803,0.1022857],"study_design_scores_gemma":[0.0002224996,0.0008649805,0.8187613,0.0001694677,0.00001196029,0.0003827468,0.000471338,0.00004875457,0.07902497,0.00009374173,0.09976528,0.0001828877],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9928749,0.0001992423,9.399405e-7,0.005651994,0.00002559188,0.0001489251,0.0002427532,0.00000296704,0.0008526475],"genre_scores_gemma":[0.9989783,0.00006737876,0.0001611546,0.0001917161,0.0001926915,0.000001631248,0.000003989106,0.000001820577,0.0004012976],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6515877,"threshold_uncertainty_score":0.9829003,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03772987984094026,"score_gpt":0.2679739733340664,"score_spread":0.2302440934931261,"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."}}