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Record W7015330747

Schneider's Creek/Grand River Northern Pike Annual Fish Lift

2007· article· en· W7015330747 on OpenAlexaboutno aff

Bibliographic record

VenueScholarWorks@UMassAmherst (University of Massachusetts Amherst) · 2007
Typearticle
Languageen
FieldEnvironmental Science
TopicFish Ecology and Management Studies
Canadian institutionsnot available
Fundersnot available
KeywordsPikeTributaryFishingLeveeFish <Actinopterygii>Lift (data mining)
DOInot available

Abstract

fetched live from OpenAlex

Movement of northern pike from the Grand River in Kitchener, Ontario, Canada to spawning areas in tributary creeks is directly related to reproductive success and production. Limited populations of northern pike exist in the Grand River, although specimens as large as 120cm have been observed. For several years, we have observed pike congregating below a river barrier in late March in Schneider's Creek, Kitchener. We have conducted research at this area since 2004, and in 2006, Biotactic initiated a manual pike lift project to facilitate passage of prespawn condition northern pike. In 2006, we used precision angling to capture 8 gravid female and ripe male pike in only 2 hrs. We then carefully transported them upstream from the barrier at Old Mill Road. These fish rapidly moved upstream, presumably to spawn. If this project is a success, it will be revealed by significant numbers of spawning condition pike returning to natal spawning areas beginning in about 2008/2009. Until now, no more than 25 pike have been observed in congregations below this barrier.

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 machine prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation 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 score0.758
Threshold uncertainty score0.481

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0010.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0070.001

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 head0.007
GPT teacher head0.187
Teacher spread0.180 · 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 source (direct Gemma or distilled Codex), 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
Published2007
Admission routes1
Has abstractyes

Explore more

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