A dominant plant species and insects independently and interactively shape plant community structure and ecosystem function above- and below-ground
Bibliographic record
Abstract
It is well-established that dominant plant species and insects independently shape community structure and ecosystem function in terrestrial plant communities. Critically, few studies have assessed the combined effects of these two drivers of plant community structure and ecosystem function above- and below-ground or tracked whether their effects change over time. We factorially manipulated the dominant plant species Solidago canadensis (Canada goldenrod) and insects in an old field at Matthaei Botanical Garden in Ann Arbor, Michigan for three years and quantified their effects on plant diversity, biomass, functional traits, microclimate, and decomposition. Solidago canadensis and insects independently and interactivley shaped plant biomass, the community weighted mean of plant functional traits, soil microclimate, and the estimated decomposition rate of soil organic matter. Overtime, S. canadensis and insects independently and interactively affected the temporal stability of plant biomass but not species richness. Taken together, our results highlight the need to consider the combined effects of dominant plants and insects above- and below-ground, as well as through time, in order to improve our understanding of their role in structuring communities and ecosystems
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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 | 0.001 | 0.002 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.003 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.001 |
| Open science | 0.002 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.018 | 0.012 |
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".