Freshwater Fisheries in Canada: Historical and Contemporary Perspectives on the Resources and Their Management
Bibliographic record
Abstract
Abstract.—Climate change is impacting freshwater fishes, and their habitats around the world. In Canada, there are 213 fish species that use freshwater habitat throughout all or some of their life cycle. These ecosystems and fishes are critically important to Canadians. Climate-related changes in habitats are impacting the ecological and biological processes of fishes, including their distributions, demography, phenology, evolution, and assemblage dynamics, as well as the availability of fisheries resources in different lakes and rivers of Canada. The available evidence suggests that the direction of these effects (positive, neutral, or negative) is dependent upon the interplay among the magnitude of changes, and the traits and ecology of the species that are experiencing those changes. Many avenues of research are still needed, ranging from understanding the genetic adaptive potential of individual species, understanding thermal bottlenecks for species and adaptation measures, and understanding how climate change interacts with other stresses to affect the status of fishes and fisheries. The most direct way to combat climate change is to reduce greenhouse gas emissions and to protect and restore natural carbon sinks, both through broadscale institutional and societal change. However, complementary adaptation actions that include legislation, policies, management, regulation, research, restoration, translocation, and stewardship are starting to be implemented in different jurisdictions across Canada. The collective uptake of these actions will ensure the sustainability of freshwater ecosystems, fishes, and fisheries for the future.
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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 | 0.000 | 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 | 0.002 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.001 |
| 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".