Secondary sexual dimorphism in Gleditsia triacanthos , honey locust, at local and regional levels.
Bibliographic record
Abstract
The general objective was to identify sexually dimorphic traits in a wide-ranging, native North American dioecious tree, Gleditsia triacanthos (Honey Locust), and to estimate the extent to which landscape-level factors influence dimorphism. Males and females from fourteen populations, between southern Ontario, Canada, and northern Tennessee, USA, were sampled for 37 measures of plant performance representing reproductive and vegetative characteristics. Plant traits were analyzed in relation to certain regionally-varying environmental parameters as well as several population parameters. Results of a three-factor analysis of variance (site, sex, and size) indicated that greatest dimorphism occurred in reproductive traits. These traits along with some vegetative traits all varied significantly between the sexes, across the populations. Differential responses between the sexes to environmental properties are discussed in terms of resource costs, and are explained in terms of differential reproductive effort in males and females, as females produce many large, energetically costly carbohydrate-rich pods. The greater reproductive costs incurred by females may make them more responsive to changes in resource availability, and this sensitivity is in turn more markedly affected by regional soil and climatic conditions and by population structure. (Abstract shortened by UMI.)Dept. of Biological Sciences. Paper copy at Leddy Library: Theses & Major Papers - Basement, West Bldg. / Call Number: Thesis2003 .M3235. Source: Masters Abstracts International, Volume: 43-01, page: 0149. Adviser: Jon Lovett-Doust. Thesis (M.Sc.)--University of Windsor (Canada), 2004.
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How this classification was reachedexpand
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 | 0.001 | 0.001 |
| 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 teacher head, 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".