{"id":"W1987543527","doi":"10.1139/b09-008","title":"Latitudinal decrease in acorn size in bur oak (<i>Quercus macrocarpa</i>) is due to environmental constraints, not avian dispersal","year":2009,"lang":"en","type":"article","venue":"Botany","topic":"Geology and Paleoclimatology Research","field":"Earth and Planetary Sciences","cited_by":25,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"U.S. Geological Survey; National Science Foundation","keywords":"Acorn; Biological dispersal; Biology; Seed dispersal; Range (aeronautics); Abiotic component; Ecology; Frugivore; Fagaceae; Interspecific competition; Habitat","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":[0.0002271375,0.0001026424,0.0001057978,0.0003010296,0.0001892951,0.0002602822,0.0001238155,0.0001285192,0.0007049731],"category_scores_gemma":[0.0005178452,0.0001296327,0.00009008775,0.0002166975,0.0002938003,0.0001593741,0.000163286,0.0001877418,0.0001337543],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001378251,"about_ca_system_score_gemma":0.00008806091,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003974963,"about_ca_topic_score_gemma":0.01800414,"domain_scores_codex":[0.9999114,0.00001957039,0.000007328281,0.00003468292,0.00001343878,0.00001356955],"domain_scores_gemma":[0.9991401,0.0001507093,0.0004735742,0.00005995791,0.00008638437,0.0000892637],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00006416228,0.00002332196,0.9681318,0.00001933189,0.00004399526,0.00005024253,0.000209875,0.00008812594,0.02838172,0.00004633139,0.00007057353,0.002870329],"study_design_scores_gemma":[7.44515e-7,0.000007052668,0.9997569,6.398619e-7,0.000001933434,0.00002650229,0.00002245298,0.00003064592,0.0001092821,0.000005206192,0.00003826402,5.073928e-7],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9995536,0.00008740045,0.000060575,0.00001162212,0.000001103486,8.683847e-7,0.0000427844,0.00000222063,0.0002398714],"genre_scores_gemma":[0.9996595,0.00003850543,0.00008718452,0.0000168268,0.000002930497,0.000002179371,0.00009280257,0.000001615907,0.00009844436],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003974963,"threshold_uncertainty_score":0.007903695,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01154470087987556,"score_gpt":0.232435685207941,"score_spread":0.2208909843280654,"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."}}