{"id":"W4410521317","doi":"10.1038/s41559-025-02699-3","title":"Long-distance seasonal migration to the tropics promotes genetic diversity but not gene flow in boreal birds","year":2025,"lang":"en","type":"article","venue":"Nature Ecology & Evolution","topic":"Genetic diversity and population structure","field":"Biochemistry, Genetics and Molecular Biology","cited_by":8,"is_retracted":false,"has_abstract":false,"ca_institutions":"Royal Alberta Museum; University of Lethbridge; Environment and Climate Change Canada","funders":"Cleveland Museum of Natural History; University of Michigan; American Museum of Natural History; National Science Foundation","keywords":"Gene flow; Tropics; Diversity (politics); Boreal; Genetic diversity; Ecology; Geography; Biology; Gene; Evolutionary biology; Genetic variation; Genetics; Demography; Sociology; Population","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":[0.0003098034,0.000141983,0.0001343741,0.0003517104,0.0003453502,0.0004960002,0.0001692767,0.0002052635,0.001129984],"category_scores_gemma":[0.0006562152,0.0001722172,0.0001553015,0.0002313663,0.0004792764,0.0004447022,0.0004402263,0.0002883685,0.00009692242],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.000203853,"about_ca_system_score_gemma":0.0002090746,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.004707146,"about_ca_topic_score_gemma":0.01395718,"domain_scores_codex":[0.9998779,0.00003324309,0.000007067387,0.00003599982,0.00001365745,0.00003209074],"domain_scores_gemma":[0.9993048,0.0001100565,0.0002806021,0.00004175012,0.0000480606,0.0002148179],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0007946347,0.0001190484,0.712411,0.0000891212,0.00025955,0.0002926789,0.0009202992,0.0005804935,0.2683643,0.000536828,0.0002734912,0.01535851],"study_design_scores_gemma":[0.000007648637,0.00004069351,0.9986828,0.000002974997,0.00001068982,0.00005364141,0.0002437609,0.0002190247,0.0005284154,0.00008918975,0.0001180633,0.000002885182],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9995477,0.00006575842,0.00008483947,0.00003201251,0.000003253563,5.861792e-7,0.00001264123,0.000002220295,0.0002510371],"genre_scores_gemma":[0.9996749,0.00005090082,0.0000940415,0.00002415225,0.00000634182,0.000001004956,0.00001896905,0.00000252681,0.0001272447],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.004707146,"threshold_uncertainty_score":0.009359539,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.004241451244581074,"score_gpt":0.2195455189036599,"score_spread":0.2153040676590788,"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."}}