Benthic community structure on two peaks of an erupting seamount: Northwest Rota-1 Volcano, Mariana Arc, western Pacific
Bibliographic record
Abstract
This study examined structural features of a vent ecosystem subject to perturbation by repeated underwater eruptive activity on NW Rota-1 Volcano in the Mariana Arc. Results provide insight into how chronic disturbance regimes shape vent ecosystems. A photosynthetically-based, deep-sea sessile community found on an inactive peak of NW Rota-1 was completely absent from the volcanically and hydrothermally active peak, even away from the areas of venting. A slightly more complex community and food web occurred where fluids were venting through cemented lavas (versus volcaniclastic sand), underlining the importance of substratum stability to the vent fauna. Meiofauna abundance and sediment organic matter content were much lower at these vents, compared to the nearby inactive peak, pointing to the importance of organic matter accumulation for the establishment of meiofaunal communities on the volcanic substratum. Evidence for food partitioning and multiple organic matter sources indicates that these latter are fundamental features of even chronically disturbed vent communities.
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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 | 0.000 |
| Scholarly communication | 0.000 | 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".