Ground Beetle (Coleoptera: Carabidea) Community Structure as an Indication of Disturbance in Stoney Creek, Burnaby, BC
Bibliographic record
Abstract
To investigate the impact of constructing an off-channel pond in Stoney Creek, Burnaby, BC to ground dwelling arthropods, carabid beetles were sampled at three sites: the pond site, the adjacent site, and the upstream site. The pond site was the area in which the artificial pond was constructed to create spawning habitat for salmon, and it was the most disturbed site. The other two sites were relatively undisturbed and were used as a comparison. Species observed in all sites were forest generalists consisting of both native and invasive species. This indicates that all sites have experienced recent disturbance since significant time has not passed to allow specialists to become re-established. Species evenness, however, was calculated to be lowest in the pond site, greatest in the upstream site, and intermediate in the adjacent site. This is due to the different characteristics of each site; the pond site had an open canopy as most of its vegetation had been removed, the upstream site was dominated by tall trees and is characteristic of a natural riparian zone in BC, and the adjacent site had a relatively open canopy as much of the understory was dominated by Hedera helix (English ivy) and Rubus ameniacus (Himilayan blackberry). Unfortunately, statistical analysis could not be performed since a small number of individuals were caught at each site; the impact of the off-channel pond construction is inconclusive. Future studies can, however, use this study as a comparison and further elaborate on these results.
Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.
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 | 0.002 | 0.002 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 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".