Effects of selective logging on terrestrial small mammals and arthropods
Bibliographic record
Abstract
Seed productivity is maximized as trees mature, potentially increasing seed availability to consumers. Forestry practices based on the removal of single or small groups of mature trees may decrease seed productivity within harvested forest stands. We investigated the effects of selective logging by contrasting seed production and the diversity and abundance of small mammals and arthropods between hardwood forests with different logging histories in Algonquin Provincial Park, Ontario. Eight "disturbed" stands (~30 years since logged) were contrasted against eight "protected" stands (~90 years since logged). Protected stands produced significantly higher densities of seeds and supported a more diverse group of small mammals. Increased family richness of terrestrial arthropods was also detected within the protected stands. Small-mammal food addition experiments had no detectable effect on the diversity and abundance of small mammals or arthropods. These results indicate that disturbed stands have lower levels of seed production with consequent effects on the diversity and abundance of small mammals and arthropods.
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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 | 0.001 |
| 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".