119 Chapter 6 Insects of the Saskatchewan River System
Bibliographic record
Abstract
Abstract. The diversity of aquatic insects in the Saskatchewan River system in Saskatchewan is high. This reflects the postglacial recruitment of species from as far away as the Colorado River system and Eurasia, but also the diverse nature of the waterway itself. Clear, cool waters flow over a variety of rubble, gravel, and sand substrates and harbour habitats of submerged branches, logs, and growing vegetation. Of the more than 1,000 species of aquatic and semi-aquatic insects that inhabit waters on the grasslands of the Canadian prairie, at least half occur in streams and rivers. This chapter provides an overview of the latter species, with an emphasis on mayflies (Ephemeroptera), stoneflies (Plecoptera), caddisflies (Trichoptera), and non-biting midges (Chironomidae) and only brief mention of other insect species. Aquatic insects often represent a large biomass with great biodiversity in pristine prairie rivers. This is still the case for some areas of the Saskatchewan River, which shows minimal damage and appears to be in its near original state. Elsewhere, however, dams, sewage, and agricultural runoff have degraded aquatic habitats over large expanses. Laws protecting flowing waters in Canada are weak, and large areas of these waters require detailed study to increase our understanding of the biodiversity and ecological roles of aquatic insects. Résumé. Le bassin hydrographique de la rivière Saskatchewan (Saskatchewan) renferme une grande diversité d’insectes aquatiques qui reflètent le recrutement postglaciaire d’espèces venant d’aussi loin que le bassin du
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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 | 0.001 | 0.002 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.002 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.023 | 0.003 |
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".