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Record W4417009477 · doi:10.1139/as-2025-0015

Local primary production hotspot in the coastal waters of Southampton Island, Nunavut, Canada, in summer 2019

2025· article· en· W4417009477 on OpenAlexafffundvenueabout
Elizabeth Kitching, Christine Michel, Lisa Matthes, Laura Castro de la Guardia, Zou Zou A. Kuzyk, Audrey Limoges, Jens K. Ehn, Tim Papakyriakou, C. J. Mundy

Bibliographic record

VenueArctic Science · 2025
Typearticle
Languageen
FieldEarth and Planetary Sciences
TopicArctic and Antarctic ice dynamics
Canadian institutionsUniversity of New BrunswickUniversity of ManitobaFisheries and Oceans Canada
FundersFisheries and Oceans CanadaCanada Foundation for InnovationPolar Knowledge Canada
KeywordsPhytoplanktonBayPhotic zoneArcticHotspot (geology)BloomAlgal bloomStratification (seeds)

Abstract

fetched live from OpenAlex

The marine region surrounding Southampton Island, northwestern Hudson Bay, Canada supports relatively large populations of marine mammals and seabirds. However, little information exists about primary production at the base of the marine food web. We estimate phytoplankton primary production from data collected around Southampton Island during August 2019 and consider the influence of physical and biological factors in explaining observed spatial variations. Differences in physical characteristics around the island, including ice conditions and surface stratification strength, resulted in differences in phytoplankton bloom stage. On average, the integrated euphotic zone phytoplankton production around Southampton Island was approximately 1.5 times higher than previous estimates for neighboring basins Hudson Bay and Foxe Basin. This difference was largely driven by tidal and wind-mixing along the constricted waterways of Frozen Strait and Roes Welcome Sound supporting a local hotspot of phytoplankton production, which was more than double that around the island and more comparable to estimates for the productive Hudson Strait. This research highlights the potential role of coastal hotspots and their contribution to regional primary production estimates, and the important role of stratification-disrupting processes in driving spatial variability in summertime primary production and, possibly, bloom phenology in Arctic areas.

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)0.001
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 score0.257
Threshold uncertainty score0.332

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
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 head0.006
GPT teacher head0.199
Teacher spread0.192 · 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 routes4
Has abstractyes

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