{"id":"W2074924824","doi":"10.1111/j.1529-8817.2004.03171.x","title":"INFLUENCE OF LOW LIGHT AND A LIGHT: DARK CYCLE ON NO<sub>3</sub><sup>–</sup> UPTAKE, INTRACELLULAR NO<sub>3</sub><sup>–</sup>, AND NITROGEN ISOTOPE FRACTIONATION BY MARINE PHYTOPLANKTON<sup>1</sup>","year":2004,"lang":"en","type":"article","venue":"Journal of Phycology","topic":"Marine and coastal ecosystems","field":"Earth and Planetary Sciences","cited_by":133,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"","keywords":"Thalassiosira pseudonana; Nitrate; Biology; Phytoplankton; Diatom; Emiliania huxleyi; Fractionation; Nitrogen; Nitrogen assimilation; Isotopes of nitrogen; Thalassiosira weissflogii; Environmental chemistry; Botany; Nutrient; Ecology; Chemistry; Chromatography","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":"codex-gemma-dda1882f352a","candidate_categories":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0009667267,0.000598262,0.001079856,0.0005841605,0.0003531957,0.0001504204,0.0004935612,0.0004802855,0.0005246805],"category_scores_gemma":[0.0003299329,0.000526751,0.0002311391,0.0005384925,0.0001988992,0.001070641,0.0001327162,0.0009904758,0.0002512796],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00007084091,"about_ca_system_score_gemma":0.0003194991,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0004268185,"about_ca_topic_score_gemma":0.0003407803,"domain_scores_codex":[0.9958701,0.0003226211,0.001504139,0.0006829429,0.0008320204,0.0007882112],"domain_scores_gemma":[0.9969869,0.0003736807,0.001082384,0.0004046319,0.0006062445,0.0005461436],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.004283417,0.001652738,0.1928032,0.001221182,0.001285678,0.001212134,0.002781639,0.428348,0.2352187,0.0003251719,0.01534953,0.1155186],"study_design_scores_gemma":[0.02435354,0.0236105,0.1974717,0.001885344,0.001246752,0.009550679,0.002579801,0.1452365,0.3938722,0.01884395,0.1763329,0.005016192],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9930941,0.0009048496,0.0000612483,0.0009650202,0.000246656,0.0005393171,0.0001498763,0.00003830598,0.004000648],"genre_scores_gemma":[0.9968204,0.001305882,0.0002291671,0.000651261,0.0007676307,0.000009928851,0.0001147334,0.0000322732,0.00006875759],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2831115,"threshold_uncertainty_score":0.9997184,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.003747581473710769,"score_gpt":0.180751542384188,"score_spread":0.1770039609104772,"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."}}