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Record W3088942290

Environmental Factors On The Arctic Food Chain

2020· article· en· W3088942290 on OpenAlexaboutno aff
Sydney Hansen

Bibliographic record

VenueLincoln (University of Nebraska) · 2020
Typearticle
Languageen
FieldHealth Professions
TopicIndigenous Studies and Ecology
Canadian institutionsnot available
Fundersnot available
KeywordsFood chainChain (unit)ArcticEnvironmental resource managementBusinessGeographyEnvironmental scienceOceanographyEcologyGeology
DOInot available

Abstract

fetched live from OpenAlex

As the Arctic is encountering many environmental changes, a multi-species meta-analysis was conducted from peer-reviewed scientific data gathered from the University of Nebraska-Lincoln (UNL) library’s bibliographic databases to determine 1) the main polar warming impacts on species of the Arctic food web such as polar bears, ringed seals, Arctic cod, copepods, and primary producers, 2) determine climatic impacts by looking at population sizes and migratory patterns over several years, and 3) discover impacts of a top-down cascade and look into conservation efforts. In the Arctic, species within its’ ecosystem are experiencing more dramatic impacts from climatic warming because of the albedo positive feedback loop the cryosphere regions are experiencing. The purpose of this analysis was to help understand the impact that climate change can have on the different parts of the Arctic ecosystem and to further understand how all the species work in an ecosystem, potentially leading to different conservation efforts better suited for species survival. The data was narrowed down to research founded in Hudson Bay, Canada, where the subpopulation of polar bears was declining in abundance. Ringed seals, polar cod, benthic organisms, and algae were all experiencing negative effects of climatic change separately, nothing linking their populations to one another. Overall, the research indicates that bottom-up and top-down trophic cascades can be assumed but each species down or up the food chain is being negatively impacted by their own global warming challenge. It is important to maintain a balance in the Arctic food web to maintain a healthy ecosystem, planning for the future and making efforts to advocate biodiversity will be the best custom in polar maintenance and increasing species survival.

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 categoriesScience and technology studies, Insufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Qualitative · Consensus signal: Qualitative
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.060
Threshold uncertainty score0.999

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 studies0.0030.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0020.000

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 head0.049
GPT teacher head0.255
Teacher spread0.205 · 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.

Study designQualitative
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

Citations1
Published2020
Admission routes1
Has abstractyes

Explore more

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