The Potential Effects of Tethered-Based Forest Harvesting Systems on Soil Disturbance in Coastal British Columbia
Bibliographic record
Abstract
While there are a variety of forest harvesting systems, there are few able to operate within the constraints of the increasingly harder to access timber supplies found in the mountains of the coastal region of British Columbia. While ground-based systems can access the more flat, unbroken terrain, steeper mountainous areas are limited to aerial-based systems, cable-based systems, and tethered-based systems, the latter being the focus of this paper. Tethered-based systems, namely tethered feller-bunchers, operate through working with a winching system upslope from the machine that allow for increased traction when operating (Sessions et al., 2017). This allows for these machines to operate on steeper slopes than their untethered counterparts (Sessions et al., 2017). While this method is generally more efficient and cost-effective compared to cable-based and aerial-based systems, it is important to note the effect of these machines on the soils in which they operate (Sessions et al., 2017). This paper assesses the issues associated with operating this machinery on steeper slopes. Research and knowledge on soil disturbance using ground-based harvesting methods, coupled with steep slope soil characteristics, will be used to examine the potential negative effects for harvesting with tethered-based system on soil disturbance, soil compaction, and slope stability.
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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".