Are pelagic mussel stages chemically attracted to barnacle stands for settlement?
Bibliographic record
Abstract
These photographs show dense aggregations of juvenile mussels (Mytilus spp) growing on intertidal barnacle stands (Semibalanus balanoides) on the Atlantic coast of Nova Scotia, Canada. In wave-exposed habitats on this coast, extreme environmental events can lead to widespread mortality of intertidal organisms, resulting in large clearings on the rocky substrate. Typically, barnacles are the first macroscopic organisms that recolonize such areas. Once those barnacles attain a certain size, pelagic mussel stages settle upon them and become benthic recruits. These new additions to mussel populations occur substantially more often on barnacle patches than on bare rock. In the complex microtopography of barnacle beds, mussel recruits benefit from increased moisture during low tides and greater protection from waves during high tides. As mussel recruitment progresses, with later recruits concentrating around the first recruits, mussels achieve high densities and outcompete barnacles as they grow, ultimately becoming the dominant species.
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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 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.003 | 0.001 |
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".