The structural development of soil microbial communities in reclaimed sites of a metal mine : implications to the restoration of anthropogenic disturbances
Bibliographic record
Abstract
Anthropogenic activities affect the structure of terrestrial systems, leading to diminished ecosystem functions. With the cumulative area of disturbance caused by mining in British Columbia approximating 45,412 ha, it is necessary to ensure that reclamation projects are directed by ecologically relevant objectives. In this study, phospholipid fatty acid analysis was used to compare the biomass of soil microbial communities in undisturbed reference and reclaimed sites. Similar to the development of microbial communities following natural disturbance events, microbial biomass within reclaimed sites increased through time, but was significantly lower than undisturbed forests until 30 to 45 years post reclamation. Canonical correspondence analysis identified that the differences in microbial community biomass was affected by changes in soil pH and copper. Due to the long-term requirements for soil development, the assessment of reclamation projects should exceed at least 30 years post completion to properly evaluate the recovery of soil ecosystem composition and function.
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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 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 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 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".