Influence d'un grand mammifère phytophage sur la dynamique forestière. Etude dendroécologique des conséquences actuelles et passées de l'introduction du cerf à queue noire sur la végétation ligneuse de l'archipel de Haida Gwaii (Canada)
Bibliographic record
Abstract
Le but de ce travail est d'identifier et d'evaluer les consequences de la phytophagie par un grand mammifere pour comprendre comment le phytophage modifie la dynamique forestiere. En utilisant la situation quasi-experimentale de l'introduction du cerf a queue noire sur l'archipel d'Haida Gwaii (Canada), l'approche dendrochronologique associee a des analyses chimiques a mis en evidence (1) le blocage de la regeneration chez les arbustes, (2) le ralentissement de la regeneration module par les defenses physiques chez l'epicea et le tsuga et (3) une selection des individus basee sur l'expression de defenses chimiques chez le thuya. L'approche Le historique montre que si le cerf a rapidement colonise tout l'archipel, des heterogeneites spatiales et temporelles apparaissent, en liaison avec l'isolement, la pression humaine, l'habitat et le climat. Les changements disproportionnes induits par le phytophage entre les differentes especes entrainent une modification de la dynamique forestiere.
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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 | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 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".