{"id":"W2164087962","doi":"10.1111/j.1461-0248.2007.01113.x","title":"Global analysis of nitrogen and phosphorus limitation of primary producers in freshwater, marine and terrestrial ecosystems","year":2007,"lang":"en","type":"article","venue":"Ecology Letters","topic":"Soil and Water Nutrient Dynamics","field":"Environmental Science","cited_by":4599,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"","keywords":"Terrestrial ecosystem; Ecosystem; Ecology; Marine ecosystem; Freshwater ecosystem; Habitat; Nutrient; Phosphorus; Terrestrial plant; Marine habitats; Environmental science; Primary producers; Biology; Chemistry; Phytoplankton","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":[0.0004437029,0.0002461941,0.0004030708,0.0006110671,0.0001248606,0.0002434925,0.0001537851,0.0001914092,0.0002471702],"category_scores_gemma":[0.0004234296,0.0001407078,0.0004886457,0.0006689643,0.0002555377,0.0002725568,0.0004132724,0.0001641851,0.0000399516],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002177974,"about_ca_system_score_gemma":0.0001388837,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001488753,"about_ca_topic_score_gemma":0.002460144,"domain_scores_codex":[0.9998857,0.00003201262,0.00000815079,0.00004497022,0.00001501498,0.00001414676],"domain_scores_gemma":[0.9996992,0.0001187172,0.00006911017,0.00004031918,0.0000344367,0.00003822144],"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":[0.0008952829,0.00007908777,0.4725245,0.0003810177,0.002131747,0.0001295784,0.0002478198,0.007340045,0.4910186,0.0003998153,0.0001776609,0.02467483],"study_design_scores_gemma":[0.00001325285,0.0001252232,0.9918947,0.000002879298,0.0002589705,0.00005118037,0.00007512661,0.002287994,0.004829636,0.0002020726,0.0002469429,0.00001213668],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9992102,0.000177477,0.0003123328,0.000008342126,6.822896e-7,0.000002041522,0.0001459521,0.000008249672,0.0001347134],"genre_scores_gemma":[0.9987956,0.0001161868,0.0005237038,0.00001520635,0.00000143153,0.000008927884,0.0004539732,0.000006188129,0.00007881856],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.001488753,"threshold_uncertainty_score":0.002960145,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.005879303707405728,"score_gpt":0.199501501123569,"score_spread":0.1936221974161633,"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."}}