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The importance of regional dynamics in local populations of limber pine (<i>Pinus flexilis</i>)

2000· article· en· W2249507329 on OpenAlexaffvenueabout
Kara L. Webster, Edward A. Johnson

Bibliographic record

VenueEcoscience · 2000
Typearticle
Languageen
FieldAgricultural and Biological Sciences
TopicForest Ecology and Biodiversity Studies
Canadian institutionsUniversity of Calgary
Fundersnot available
KeywordsPinus <genus>EcologyBiologyGeographyBotany

Abstract

fetched live from OpenAlex

Limber pine (Pinus flexilis) populations in the Kananaskis Valley of Alberta have many of the traits of patchy metapopulations based on the reconstruction of the dynamics of 13 local populations. The populations exist in open canopied stands on high stress habitats of rocky ridges, scree slopes, and gravel creek beds. All populations showed continuous recruitment and low mortality. No population showed any evidence of local extinction as a result of negative population growth. Wildfire caused varied responses in the populations from extinction of the local populations to little or no effect. Populations extirpated by fire were quickly recolonized. Seed dispersed by the Clark’s nutcracker (Nucifraga columbiana) appears to be responsible for this rapid recolonization following wildfire. Limber pine does not persist in the seed bank for more than two years. Therefore, the limber pine populations are regionally persistent because rare extinction events (wildfire) are followed by prompt recolonization by seed dispersed by Clark’s nutcracker from other local populations.

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 score0.040
Threshold uncertainty score0.977

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.001
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 head0.024
GPT teacher head0.225
Teacher spread0.200 · 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

Citations17
Published2000
Admission routes3
Has abstractyes

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