Status Overview for Pacific Salmon Populations in the Eastern North Pacific Ocean
Bibliographic record
Abstract
Pacific Salmon in the eastern North Pacific (Fig. 1), dominated by Chum, Pink, and Sockeye Salmon, are at relatively high levels in terms of numbers and biomass, although there is evidence of recent declines (Fig. 2, Ruggerone and Irvine 2018).To assess the status of salmon in this region we assembled information gathered by American and Canadian researchers.In the US, salmon are primarily managed to provide sustained yield; spawner escapement goals are set for stocks, or aggregates of stocks, for each species within geographic areas.The proportion of stocks within an area that achieve these goals provides an indication of status for that return year.In Canada, salmon are primarily assessed as individual or aggregates of Conservation Units (CUs), which are genetically or ecologically distinct groups of salmon.CU-specific biological benchmarks, based primarily on salmon abundance and distribution delimit three biological status zones: green (healthy status), amber (intermediate) and red (poor).Here we describe the biological status of each of the five major species in the US and Canada, provide information on changes in fish size and age composition if noteworthy, and comment on possible reasons for recent changes.
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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 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.006 | 0.005 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.005 | 0.001 |
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".