Predominance of a single phylogenetic species in colonization events among a sextet of decollate land snail,<i>Rumina decollata</i>(Mollusca: Pulmonata: Subulinidae), species
Why this work is in the frame
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Bibliographic record
Abstract
The hermaphroditic, facultatively selfing, land snail Rumina decollata is a common, widespread species that is indigenous to the Mediterranean region and that has been introduced to many other regions of the world. However, recent DNA sequence analyses have indicated that R. decollata is a complex of several phylogenetic species, two of which correspond to previously distinguished allozyme strains with different body colors (light vs. dark) and life history characteristics. Against this background, this paper attempts to identify which of these phylogenetic species have been introduced elsewhere in the world. Based on a comparative DNA sequence analysis of putatively introduced populations from South America, North America, Japan, and the North Atlantic Islands versus native Mediterranean populations, it is shown that all putatively introduced populations belong to a single phylogenetic species that was previously recognized as the dark morph. Hence, the colonizing and invasive character of R. decollata seems to be due to this phylogenetic species. Nevertheless, in its native area the dark morph is supposed to be outcompeted when sympatric with the light morph of R. decollata. This issue is briefly discussed and the Iberian Peninsula is tentatively proposed as an important source for introduced R. decollata populations outside Europe.
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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 | 0.001 |
| 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