Species Diversity and Genetic Variation of Terrestrial Lichens and Bryophytes in A Boreal Jack Pine Forest of Central Canada
Why this work is in the frame
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Bibliographic record
Abstract
Little is known about species diversity and genetic structure of populations of lichens and bryophytes in the Sandilands Provincial Forest in Manitoba. This study investigated the current species diversity of lichens and bryophytes in the area. It also examined the population structure and gene flow in the lichen (Cladonia arbuscula) with the highest cover and second most frequent occurrence, and bryophyte (Pleurozium schreberi) with the highest frequency and percent ground cover. Analysis of Molecular Variance (AMOVA) of the presence and absence of group I introns in the fungal small subunit (SSU) nuclear ribosomal DNA (rDNA) and Restriction Fragment Length Polymorphisms (RFLP) of the algal Internal Transcribed Spacer (ITS) rDNA suggests that low levels of gene flow were occurring in the fungus while a single algal genotype was maintaining the lichen association. Similarly, Interspersed Simple Sequence Repeat (ISSR) markers of the bryophyte suggested low levels of gene flow. The examination of variation in both lichen symbionts and a bryophyte, dominant within the same habitat, is a novel aspect of this study. Both these widespread species, dominating the understory in mature jack pine forests, exhibited low levels of sexual reproduction.
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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 it