Thermal acclimation and its reversal in early life stages of brook trout
Bibliographic record
Abstract
In juvenile and adult fishes, the initiation, completion, and reversal of acclimation have been studied but there are few data on the dynamics of acclimation in early life stages. We examined how chronic warming during incubation altered thermal tolerance in early life stages of brook trout ( Salvelinus fontinalis) to quantify the scope and duration of thermal acclimation and carryover effects during early development. We assessed how quickly the acclimation of upper thermal tolerance (CTmax) was lost once hatched larvae were moved to common conditions. In embryos, and 4 weeks after hatch, fish in warmer treatments had a positive acclimation response (higher CTmax). Eight weeks after hatch, acclimation was completely reversed, whereby fry that had been reared in ambient (cooler) conditions had higher thermal tolerance than those from warm treatments. Early life stages of brook trout can acclimate their thermal tolerance throughout development but acclimation to warmer temperatures can have a cost in the form of lower body condition.
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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 | 0.000 |
| 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".