Nursery Grounds For The West Nordic Greenland Halibut Stock - Where Are They?
Bibliographic record
Abstract
No abstracts are to be cited without prior reference to the author.Greenland halibut in the Northwest Atlantic is composed of two management units reflecting the stock entities, namely the Canada-Greenland stock complex and the East Greenland/Iceland/Faroe Island stock (West Nordic stock). Major juvenile concentrations (nursery grounds) of the Canada-Greenland stock are located at the slope of Store Hellefisk Bank but similar concentrations of the West Nordic stock have not been located. Nursery grounds are traditionally believed to be located off East Greenland, since 0-group surveys show that eggs and larvae drift from spawning grounds west of Iceland towards East Greenland. An analysis of the combined data bases of Greenland halibut by-catch in research shrimp surveys from 1988 to 1999 in Icelandic and Greenland waters (4190 hauls, 637 thousand length records) was done in order to determine possible locations of nursery grounds for the West Nordic stock. At West Greenland, most catches are comprised of fish below 40 cm (juveniles) while at East Greenland and Iceland lengths ranges between 30 cm and 60 cm (immature adults). Length modes corresponding to age 1-3 years old, which dominates in West Greenland waters are virtually absent in East Greenland and Icelandic waters. The catch rates of juveniles in West Greenland are more than one order of magnitude higher than in East Greenland and Icelandic water. The analysis of Greenland halibut by-catches in shrimp surveys suggest that main nursery grounds for the West Nordic stock must be located outside East Greenland or Icelandic waters.
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How this classification was reachedexpand
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 | 0.002 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.000 | 0.001 |
| Open science | 0.004 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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 teacher head, 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".