Impact of modified retention clearcuts on perimeter stands dominated by trembling aspens
Bibliographic record
Abstract
This study examines post-harvest tree mortality following modified retention clear- cutting of aspen-dominated forests in Duck Mountain, Manitoba.Twenty-meter fixed radius plots were enumerated in undisturbed forest, and in 1,2,4, and 8 year old cutblocks.Bole cracking was more common along perimeter edges.Wind-thrown trees were most common on west-facing cutblock edges, intermediate on south and north edges, and least common on east edges.Most wind-throws resulted from winds from the north and west.Most wind-thrown aspen were stem snapped, but uprooting was more common in white spruce.The wind-throw mortality rate in undisturbed forest was2 treesftta/yr.This increased to 4-8 trees/halyr along cutblock edges.A substantial number of older snags were wind-toppled within a year following clearcutting.After eight years, total wind-throw mortality was twice that of undisturbed forest.A simple model successfully predicted temporal trends in coarse woody debris accumulation following clearcutting.
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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) | 0.001 | 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".