Bibliographic record
Abstract
The influence of reproduction on body temperatures preferred in a laboratory thermal gradient has been studied mostly in ectotherms that are either viviparous or oviparous with prolonged egg retention. In this study I investigated whether reproduction influences temperature preferences in the Italian crested newt, Triturus carnifex (Laurenti, 1768), whose females do not carry embryos in utero (strict oviparity). I compared preferred temperatures and locomotor activity among reproductive females, non-reproductive females, and males in an aquatic thermal gradient (5–32.5 °C) over 24 h. Reproductive females preferred mean body temperatures 2.3–4.3 °C higher than those of non-reproductive females and males irrespective of activity level. Females regulated body temperature more precisely when reproductive than when non-reproductive as judged by the narrower range of preferred body temperatures. The study showed that the shift in temperature preferences of reproductive females occurs not only in species with advanced reproductive modes (i.e., viviparity and oviparity with egg retention), but also in a strictly oviparous mode.
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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) | 0.001 | 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".