Determining the population distribution of invasive mussels Mytilus galloprovincialis, Mytilus edulis, native mussel Mytilus trossulus and their hybrids in Vancouver ecosystems and markets.
Bibliographic record
Abstract
The purpose of our study was to determine the population distribution of invasive Mediterranean blue mussel Mytilus galloprovincialis, invasive Atlantic Mytilus edulis , and native North-Pacific Mytilus trossulus . The introduction of invasive species can displace the native mussel species and alter the biota of the ecosystem. DNA isolation, polymerase chain reaction (PCR) and electrophoresis gel techniques were performed on three different populations to determine the species types. Twelve replicates were sampled from each local population: the Jericho Beach Pier, the Maritime Market Pier in Granville Island and the Lobster Man seafood market in Granville Island. Results reveal that both invasive and native species are present in the Jericho Beach Pier, with five individuals confirmed to be M.edulis (invasive) and six individuals confirmed to be M.trossulus (native) . Additionally, there were six individuals confirmed to be M.edulis in the Maritime Market Pier, suggesting that only the invasive species is present. In the Lobster Man seafood market, there were two individuals confirmed to be M.edulis , three individuals confirmed to be M.galloprovincialis (invasive) and six individuals confirmed to be M.trossulus , which suggests that some of the samples were mislabeled. No hybrids were found in any of the populations. Our findings show a potential population distribution of the Mytilus spp. in Vancouver.
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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 | 0.000 | 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) | 0.001 | 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".