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Variation in rate of nectar production depends on floral display size: a pollinator manipulation hypothesis

2004· article· en· W2100747494 on OpenAlex
Jay M. Biernaskie, Ralph V. Cartar

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.
aboutThe title or abstract carries a Canadian signal from the geographic lexicon.

Bibliographic record

VenueFunctional Ecology · 2004
Typearticle
Languageen
FieldAgricultural and Biological Sciences
TopicPlant and animal studies
Canadian institutionsSimon Fraser UniversityUniversity of Lethbridge
FundersNatural Sciences and Engineering Research Council of Canada
KeywordsPollinatorBiologyNectarPollinationForagingHerbaceous plantPollenAttractionDisplay sizeHermaphroditeEcologyBotany

Abstract

fetched live from OpenAlex

Summary Pollinators typically visit more flowers on plants with larger floral displays, which should present such attractive plants with significant pollen transport losses. Many‐flowered plants with hermaphrodite flowers might reduce the costs of attractiveness by encouraging fewer sequential flower visits by pollinators. One mechanism that accomplishes this is to produce variable nectar rewards, which will cause risk‐averse foragers to leave the plant after visiting fewer flowers. We test the prediction that within‐plant variability in nectar production rate increases with the relative number of open flowers on a plant. A field survey of nine herbaceous angiosperm species native to Alberta, Canada revealed a significant positive correlation between nectar variability (measured as standard deviation) and the size of the floral display within species. This relationship existed over and above the null expectation of a positive correlation between mean and SD. Our results suggest that multiflowered plants might maximize the male fitness returns associated with a plant's attraction status (determined by relative display size), by taking advantage of risk‐averse foraging by their pollinators.

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.

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: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.783
Threshold uncertainty score0.429

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 studies0.0000.000
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 head0.040
GPT teacher head0.196
Teacher spread0.156 · 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