The role of coastal ocean variation in spatial and \ntemporal patterns in survival and size of coho \nsalmon (Oncorhynchus kisutch)
Why this work is in the frame
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Bibliographic record
Abstract
Interannual and decadal variability in ocean survival of salmon are well known, but the mechanisms through \nwhich environmental variability exerts its effects are poorly understood. Data on hatchery-reared coho salmon \n(Oncorhynchus kisutch) from individual releases (1973–1998) along the species’ entire North American range were \nanalyzed to provide information on survival and size. Three geographic regions (north of Vancouver Island, Puget \nSound and Strait of Georgia, and the outer coast south of the tip of Vancouver Island) showed coherent trends in \nsurvival and size of returning fish. Within each region, multivariate nonlinear models were used to relate coho survival \nand final size to spatially and temporally tailored environmental variables at time periods of release, jack return, and \nadult return. The most important environmental variable, as indicated by the highest amount of variance explained, was \na calculated proxy for mixed-layer depth, followed by sea level. In all regions, survival and adult size were most \ninfluenced by environmental conditions at the release time. A shallow mixed layer was associated with increased \nsurvival and decreased size in all regions. Improved understanding of the relationship between environmental conditions \nand size and survival of coho salmon provides insight into production patterns in the coastal ocean.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 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) | 0.000 | 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 it