Reconnecting rattlers: Identifying potential connectivity for an urban population of Eastern Massasauga Rattlesnakes
Bibliographic record
Abstract
In an urbanizing region of Southwestern Ontario, a declining population of Eastern Massasauga Rattlesnakes ('Sistrurus catenatus catenatus') persists in taligrass prairie remnants. Maintaining an adequate level of landscape connectivity is a recommended strategy to encourage dispersal between habitat patches and to reduce the extinction risk of this genetically and ecologically distinct population. The goal of this study was to identify potential connectivity pathways between habitat patches for this species by using a GIS least-cost model and to evaluate the outputs with road mortality data. Results identified seven pathways between five core habitat patches which were validated with aerial imagery and mortality data. A subset of pathways requires further study. This research will guide the location of interventions aimed at increasing connectivity for this species, provide a basis for connectivity design for other species within the study landscape, and inform the use of a modelling approach to connectivity analysis in urban landscapes.
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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 | 0.000 | 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) | 0.001 | 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".