{"id":"W2407084873","doi":"10.1139/cjfr-2015-0469","title":"Variability in the growth rates and foliage δ<sup>15</sup>N values of black spruce trees across a slope gradient in the Alaskan Interior","year":2016,"lang":"en","type":"article","venue":"Canadian Journal of Forest Research","topic":"Climate change and permafrost","field":"Earth and Planetary Sciences","cited_by":11,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"Japan Society for the Promotion of Science; International Arctic Research Center, University of Alaska, Fairbanks; Ministry of Education, Culture, Sports, Science and Technology","keywords":"Black spruce; Transect; Picea abies; Biomass (ecology); Shoot; Nutrient; Growing season; Taiga; Growth rate; Nitrogen; Biology; Botany; Agronomy; Environmental science; Ecology; Chemistry; Mathematics","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":[0.000211792,0.0001779293,0.0001660009,0.000487876,0.0002404094,0.0003339339,0.0001494188,0.0001759085,0.0003239988],"category_scores_gemma":[0.0003044461,0.0001211796,0.0001140808,0.0003020476,0.0002714347,0.0001868028,0.0002246647,0.0001224091,0.00009919396],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002350789,"about_ca_system_score_gemma":0.0001227316,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0178109,"about_ca_topic_score_gemma":0.04839408,"domain_scores_codex":[0.9998975,0.0000174527,0.00001041985,0.00004072482,0.00002038694,0.00001357686],"domain_scores_gemma":[0.9996414,0.00006500089,0.0001211221,0.00002653756,0.00007567545,0.00007032308],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00008854238,0.00001813484,0.980723,0.00001124061,0.00004741104,0.00006860503,0.0004078916,0.000230339,0.01565562,0.00001788957,0.00003643158,0.002694859],"study_design_scores_gemma":[4.608549e-7,0.000009268691,0.9995775,0.000001131198,0.00000402757,0.00002389304,0.00008789932,0.0001218258,0.0001284305,0.00000468192,0.00003962008,0.000001380712],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9997984,0.00002026556,0.00002876136,0.000001255915,4.309002e-7,4.976864e-7,0.00005010328,0.000002102871,0.00009821804],"genre_scores_gemma":[0.9996424,0.00001754959,0.00008077287,0.000002665201,7.187501e-7,0.000001857525,0.0001494913,0.00000108671,0.0001035117],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0178109,"threshold_uncertainty_score":0.03541446,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.06327591712832947,"score_gpt":0.316094004255471,"score_spread":0.2528180871271415,"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."}}