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Record W4406443314 · doi:10.1139/cjfr-2024-0086

Changes in leaf functional traits of <i>Phoebe chekiangensis</i> underplanted in moso bamboo forests with different densities

2025· article· en· W4406443314 on OpenAlexvenueno aff
Huijing Ni, Zhenya Yang, Jiancheng Zhao

Bibliographic record

VenueCanadian Journal of Forest Research · 2025
Typearticle
Languageen
FieldAgricultural and Biological Sciences
TopicBamboo properties and applications
Canadian institutionsnot available
Fundersnot available
KeywordsBambooForestryBiologyBotanyGeography

Abstract

fetched live from OpenAlex

Leaf functional traits are sensitive to environmental changes and are a current hotspot in ecology. The objective of this study was to explore the changes in leaf functional traits of Phoebe chekiangensis underplanted in moso bamboo forests with different densities. Leaf functional traits of P. chekiangensis were determined, and their relationships were investigated. Results showed that leaf area (LA) and specific leaf area (SLA) increased with the increase of bamboo forest density, and they were significantly lower at 1350 individual·ha −1 than that of 2250 individual·ha −1 . However, leaf thickness (LT) and leaf mass per unit area (LMA) showed an opposite trend, and they were significantly higher at 1350 individual·ha −1 than that of 2250 individual·ha −1 . No significant difference was found in chlorophyll a (Ca), chlorophyll b (Cb), total chlorophyll (Ca + Cb), and total carotenoids (Car) among the three treatments. Ca/Cb showed a decreasing trend, and it was significantly higher at 1350 individual·ha −1 than that of 2250 individual·ha −1 . Leaf nitrogen (N) concentration increased with the increase of bamboo forest density, and it was significantly higher at 2250 individual·ha −1 than that of 1350 individual·ha −1 . C/N decreased, and it was significantly higher at 1350 individual·ha −1 than that of 2250 individual·ha −1 . LT was positively correlated with LMA, and negatively correlated with SLA. N concentration was positively correlated with SLA, and negatively correlated with LMA. Significant positive correlation between Ca + Cb and C concentration was observed. In conclusion, the leaf functional traits of P. chekiangensis could compensate for light deficiency through certain trait variations and combinations and better adapt to the environment.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.953
Threshold uncertainty score0.986

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.059
GPT teacher head0.262
Teacher spread0.203 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

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".

Quick stats

Citations0
Published2025
Admission routes1
Has abstractyes

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