Light absorption and size scaling of light‐limited metabolism in marine diatoms
Bibliographic record
Abstract
Previous studies have found that the size‐scaling exponent of metabolic rates in unicellular algae often deviates from the exponent of −1/4 usually found for heterotrophs. This study confirms a significant linear relationship between log cell volume (mm 3 ) and log intrinsic growth rate (h −1 ), carbon‐normalized photosynthetic capacity and performance (h −1 ), and carbon−normalized respiratory rate (h −1 ) for eight marine centric diatoms under nutrient−saturated, light‐limited conditions. The intrinsic growth rate and carbon‐normalized respiratory rate have size‐scaling exponents not significantly different from −1/4, whereas the carbon‐specific photosynthetic rates deviate from −1/4. The size dependence of the optical absorption cross section (m 2 mg chlorophyll a −1 ) due to the package effect provides a mechanistic model that explains the anomalous size scaling of the anabolic rates of unicellular phytoplankton.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".