Cushion plants are foundation species with positive effects extending to higher trophic levels
Why this work is in the frame
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Bibliographic record
Abstract
Positive interactions are ubiquitous processes within ecological communities that influence patterns of species diversity and ecosystem functioning. By reducing abiotic stress, such as desiccation, nurse plants positively affect (facilitate) associated plant species. Although plant‐plant interactions are well documented, consequences of plants on higher trophic levels are rarely examined. Here, we test for trophic consequences of the plant community by comparing visitation and diversity of pollinator and arthropod communities between cushion plants and non‐cushion plants throughout the season. Cushion plants were found to have significantly higher visitation rate and diversity of both arthropods and pollinators relative to all other non‐cushion plants. The positive effect of cushion plants found here can be explained for arthropods by cooler and more humid conditions and for pollinators by providing more abundant floral resources throughout the season. Although cushion plants have commonly been reported to facilitate other plants, this study shows that the cushion plant Silene acaulis has a positive effect on plants, arthropods, and pollinators with the greatest positive effect on pollinators. Other cushion plant species are likely also foundation species for many alpine trophic levels and have the capacity to stabilize species diversity at a community level by providing refuges for arthropods and resources for pollinators.
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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 | 0.000 |
| 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 | 0.001 |
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 it