Habitat, movements, and behaviour of overwintering Blanding’s turtles (Emydoidea blandingii) in Nova Scotia
Bibliographic record
Abstract
The overwintering ecology of a disjunct population complex of Blanding’s turtles ( Emydoidea blandingii (Holbrook, 1838)) in southwestern Nova Scotia was studied from January 2005 to April 2006. Sites were visited biweekly. We recorded structural characteristics and dissolved oxygen (DO), pH, and water and substrate temperatures in 7 overwintering sites containing at least 46 turtles and 7 paired “control sites”. Twenty-five adult turtles were radio-tracked to record locations and movements. Median winter temperature ranged from 0.8 to 8.6 °C in the organic substrate and from 0.3 to 7.6 °C in the water column. In overwintering sites, median DO ranged from 2.8 to 11.3 mg/L and median pH ranged from 4.6 to 5.5. Blanding’s turtles can tolerate submergence under ice for at least 3 months in severely hypoxic conditions. Movement was positively correlated with water temperature. Although some moderate movements were made during winter, 90% were less than 5 m. Movement to overwintering sites (September to mid-November) was gradual, but departure (late March to April) was rapid. Physical characteristics and environmental variables varied dramatically among overwintering sites, and no consistent patterns were observed between overwintering and control sites. We suggest that Blanding’s turtles return to communal sites year after year because of site fidelity and mating opportunities.
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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 | 0.000 |
| 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".