Impact Of Chronic Hypoxia On Food Ingestion, Growth And Condition Of Atlantic Cod, Gadus Morhua
Bibliographic record
Abstract
No abstracts are to be cited without prior reference to the author.The Gulf of St Lawrence is an enclosed sea located in Eastern Canada. It is characterised by the presence year-round of a layer of cold water (temperature < 0 °C and average salinity = 32.4) (Lauzier & Trites, 1958; Gilbert & Pettigrew, 1997). In winter, the water column is a two-layer system (Koutitonsky & Bugden, 1991). The permanent cold layer mixes with surface waters via storm events and density changes of surface waters caused by cold winter air temperatures. As a result, water is below 0°C from the surface down to circa 100 m. Starting in April, the water column becomes a three-layer system, with a cold intermediate layer (CIL), due to the increasing temperature and lowering salinity of surface waters (Koutitonsky & Bugden, 1991) (Gilbert & Pettigrew, 1997). In summer, the CIL is found from circa 50 to 100 m. Both surface waters and the CIL are rich in oxygen. Waters deeper than the CIL are warmer: temperature is circa 2°C below the CIL, around 125 m, and increases with depth up to about 250 m, where it typically reaches 4 to 6°C, and remains relatively stable at greater depths (Bugden, 1991). Deep waters do not mix with the CIL or surface waters. This prevents them from getting replenished in oxygen. Furthermore, deep waters flow upstream. A variable mix of waters from the Atlantic and the Labrador Current enters the Laurentian channel, with oxygen levels varying between 60 and 70% saturation (Bugden, 1991; Gilbert & Pettigrew, 1997). As these waters progress toward the head of the Laurentian channel, they get progressively more depleted in oxygen, and levels of 20–30% saturation are typical of the western end of the Gulf of St Lawrence and of the estuary (Figure 1).
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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) | 0.002 | 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".