{"id":"W4409357555","doi":"10.1073/pnas.2410748122","title":"Interactions among nutrients govern the global grassland biomass–precipitation relationship","year":2025,"lang":"en","type":"article","venue":"Proceedings of the National Academy of Sciences","topic":"Soil Carbon and Nitrogen Dynamics","field":"Agricultural and Biological Sciences","cited_by":14,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Guelph","funders":"Rocky Mountain Research Station; School of Life and Environmental Sciences, Deakin University; Agricultural Research Service; University of California, San Diego; University of North Carolina at Chapel Hill; National Institute of Food and Agriculture; Directorate for Biological Sciences; Universidad de Buenos Aires; Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement; Agencia Nacional de Promoción de la Investigación, el Desarrollo Tecnológico y la Innovación; University of Pretoria; Université de Paris; Swiss Federal Institute for Forest, Snow and Landscape Research; Iowa State University; Instituto Nacional de Tecnología Agropecuaria; Universidad Nacional de la Patagonia Austral; Oulun Yliopisto; Institut de Recherche pour le Développement; Science Foundation Ireland; Universidad Nacional de Mar del Plata; Deutsches Zentrum für integrative Biodiversitätsforschung Halle-Jena-Leipzig; Western Sydney University; Háskóli Íslands; King's College London; Max-Planck-Gesellschaft; Centre National de la Recherche Scientifique; Universidade de Lisboa; Inyuvesi Yakwazulu-Natali; U.S. Forest Service; Sveriges Lantbruksuniversitet; Instituto de Investigaciones Marinas y Costeras; Consejo Nacional de Investigaciones Científicas y Técnicas; University of Minnesota; Universiteit Utrecht; University of Sydney; Deutsche Forschungsgemeinschaft; Université Paris-Est Créteil Val-de-Marne; National Science Foundation; Sorbonne Université; Utah State University; UK Research and Innovation; Michigan Technological University; La Trobe University; Texas State University; Hawkesbury Institute for the Environment, Western Sydney University; Indian Institute of Science; University of Nebraska-Lincoln; Department of Biology, University of New Mexico; University of Washington; European Commission; Landbúnaðarháskóli Íslands; Vrije Universiteit Brussel; Trinity College Dublin; Lanzhou University; Universität Leipzig; U.S. Department of Agriculture; Colorado State University","keywords":"Biomass (ecology); Nutrient; Grassland; Environmental science; Agronomy; Ecology; Ecosystem; Species richness; Species evenness; Phosphorus; Biology; Chemistry","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":[0.0003217983,0.0002190869,0.0002872208,0.0004410269,0.0002280044,0.0005550605,0.0001694793,0.000277428,0.0006632114],"category_scores_gemma":[0.001168484,0.0001973496,0.0002030824,0.0005433798,0.000436098,0.0003841769,0.0006186105,0.0002140571,0.0001369537],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002260185,"about_ca_system_score_gemma":0.0001987887,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003334516,"about_ca_topic_score_gemma":0.007739682,"domain_scores_codex":[0.9998317,0.00005904482,0.00001123441,0.00004418025,0.00002071678,0.00003315091],"domain_scores_gemma":[0.9992948,0.0002882529,0.0002322749,0.00004869267,0.00006984182,0.00006612825],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.00006422707,0.00001317464,0.9743565,0.0000439735,0.0001671022,0.00009520177,0.0001127308,0.002098771,0.0161036,0.0002765304,0.0001162494,0.006551814],"study_design_scores_gemma":[0.000002682698,0.00001738859,0.9977406,0.000002549572,0.00001728503,0.0000436671,0.00006814115,0.001422649,0.0001873933,0.0003299784,0.0001640032,0.000003647478],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9980074,0.0003146417,0.0007240242,0.00004410994,0.000001802364,0.000003085871,0.0001331929,0.00001767494,0.0007541616],"genre_scores_gemma":[0.9994189,0.00008830956,0.000319295,0.00001520885,0.000002993058,0.000002495849,0.00008921821,0.000003129765,0.0000605214],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003334516,"threshold_uncertainty_score":0.006630242,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03287733130200488,"score_gpt":0.2925459322664918,"score_spread":0.259668600964487,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). 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