Temporal Variation in Algal Communities in an Intermittent Pond
Bibliographic record
Abstract
We examined the algal communities in an intermittent pond in southern Ontario, Canada, at one permanently wetted site and two that dried up. Samples were collected from decomposing leaves and from the water column from ice-out in April to late August. Most of the algae present were attached forms. While there were some differences at the genus level, both temporary and permanent sites were largely dominated by filamentous chlorophytes (e.g., Oedogonium genera) immediately after ice-out. Subsequent to this early season bloom, the communities became more taxon rich, with diatoms (especially Pinnularia spp.) predominating at the permanent site, which also supported the highest diversity (30 genera). At the genus level, the community composition at the intermittent sites were subsets of that found at the permanent site. Many of these genera are known to produce a gelatinous matrix, or have a partially gelatinous structure—both advantageous to surviving drought. Using cell counts, the Cyanophyta (Cyanobacteria) appeared to be the most important community constituents; however, biovolume showed that the Chlorophyta and Bacillariophyta were the dominant groups.
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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 | 0.001 |
| Science and technology studies | 0.001 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| 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".