Évitement des espèces de coraux et d’éponges et mesures d’atténuation pendant les activités de forage exploratoire au large de Terre-Neuve-et-Labrador
Bibliographic record
Abstract
An investigation was conducted into the likely impacts of exploratory drilling to coral and sponge species in the Newfoundland and Labrador (NL) region, as well as the ways in which avoidance and mitigation measures can be applied to reduce them. Impacts described in existing literature suggest that coral and sponge species may experience changes in behaviour (e.g. feeding, reproduction), fitness, and survival as a result of physical damage, exposure to chemicals, and/or excess sedimentation which result from exploratory drilling activities. As outlined in the Fisheries Act, it is recommended that a “mitigation hierarchy” of: (1) avoid, (2) mitigate, (3) offset, be used to reduce risks to biodiversity. However, because offsetting impacts would not generally be compatible with benthic conservation objectives, they are not discussed in depth in this report. Following this hierarchy, the avoidance of exploratory drilling in existing special areas that have been previously delineated based on the presence of coral and/or sponge species in high densities is essential for preserving biodiversity in the region. This would include Significant Benthic Areas (SiBAs), Vulnerable Marine Ecosystems (VMEs), and any sites where the zone of influence from exploratory drilling would overlap SiBA or VME boundaries. Avoidance in areas outside SiBAs and VMEs where the density of coral and sponge species observed during pre-drill surveys meets the thresholds used to define SiBAs and VMEs is also of high importance. In addition, various modifications to existing exploratory drilling processes, intended to mitigate the impacts to coral and sponge species, without considerations to engineering and/or economic impacts, have also been outlined within the report. They would allow for reductions to the area of impact, the amount of cuttings generated, and the release of drilling muds into the environment, thereby reducing the overall impact to coral and sponge species in the area.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.000 | 0.001 |
| 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".