Phenological diversity of salmon smolt migration timing within a large watershed:implication for match‐mismatch dynamics
Bibliographic record
Abstract
No abstracts are to be cited without prior reference to the author.We quantified phenological variation in outmigration timing among salmon subpopulations within alarge watershed and its implications for climate mismatches with their marine zooplankton prey.Specifically, we sampled juvenile sockeye salmon throughout the spring and early summer in the estuaryof the Skeena River, Canada. Sockeye salmon migrate through the estuary for at least 50 days, with peakemigration for different populations varying by more than 5 weeks. The outmigration timing for specificpopulations was related to geographic factors including elevation of the rearing lake and the riverdistance between individual rearing lakes and the estuary. Concurrent with sampling we quantified theestuarine prey of juvenile sockeye salmon and discovered that zooplankton species composition andabundance varied throughout the smolt migration period so that different salmon subpopulationsencountered different prey abundances upon ocean entry.
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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 | 0.001 | 0.003 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.002 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.008 | 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".