Marine larval fish assemblages in the nearshore Canadian Beaufort Sea during July and August
Bibliographic record
Abstract
The distribution and composition of marine larval fish were investigated during a three-year multidisciplinary project conducted in the nearshore Canadian Beaufort Sea in July and August, 2003-2005.Larvae were sampled using replicated bongo net (500pm) tows within 50 m water depth.A total of 454larval fish were captured from seven families.Arctic cod (Boreogadus saida) was the most abundant species and the most widely distributed within the estuarine zone (20-50 m).Other larval fish families that were represented in this zone were Cottidae, Stichaeidae, Liparidae and Agonidae.Pacific Hening (Clupea pallasii pallasii) were dominant in the coastal, shallow waters (<20 m).Parametric and non-parametric analyses revealed no significant differences in larval fish densities or diversity at stations identified by sea floor features and those which did not have a feature present.Features identified in this study were not found to be areas of retention for larval fish and therefore were found to be opportunistically transported to these areas by currents and water masses.Multivariate statistical analyses revealed two distinct larval assemblages that were closely correlated to water masses.The two assemblages were defined as coastal and estuarine.The coastal assemblage was found in the shallow (<20 m) Intense plume water mass.This alea is greatly influenced by the Mackenzie River outflow and was dominated by Pacific Herring.The estualine assemblage was dominated by Arctic cod and was often found in stratified waters in areas beyond the Mackenzie Plume fiontal zone (>20 m).This assemblage also had the greatest species lichness.Hierarchy of factors contributing at different temporal and spatial scales to the occuffence, distribution, and abundance of larval fish species.Doyle M.J., W.W. Morse and A.W. Kendall Jr.1993.A comparison of larval fish assemblages in the temperate zone of the Northeast Pacific and Norlhwest Atlantic Oceans.Bull.Mar.Sci.53 (2):588-6aa p @ig.1).Chapter 7,Page2.xll
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.002 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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".