Biological Effects and Baseline Measures of Naturally Occurring Radioactive Materials in Freshwater Fish of the Athabasca Oil Sands Region
Bibliographic record
Abstract
Naturally Occurring Radioactive Material (NORM) is understudied in the Alberta Oil Sands Region.Elevated NORM levels reduce growth, fertility, and life expectancy in wildlife, negatively impacting the ecosystem.This study examines NORM in fish of the AOSR, including its (1) composition and concentration, (2) relationship to other contaminants in the AOSR, and (3) biological effects on wildlife.Gamma spectrometric analysis was used to measure NORM activity in northern pike (Esox lucius) and lake whitefish (Coregonus clupeaformis), collected from the Gardiner Lakes and Peace-Athabasca Delta.Activity concentrations of NORM isotopes were measured.Activity concentrations of isotopes originating from the 232 Th and 238 U decay series were present in freshwater fish in the AOSR.Concentrations of 232 Th and 238 U decay series isotopes were found to be higher downstream of the AOSR in the PAD.This study contributes to the broader scientific understanding of NORM and can inform effective management and remediation strategies to address contamination issues in the oil sands industry.x
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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 | 0.000 | 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) | 0.000 | 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 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".