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Record W4412592299 · doi:10.1016/j.ecolind.2025.113908

A watershed fragility index for assessing the vulnerability of river ecosystems

2025· article· en· W4412592299 on OpenAlexafffundabout
K.C.S. Lira, Michael Jong, Myron King, I. G. Cowx

Bibliographic record

VenueEcological Indicators · 2025
Typearticle
Languageen
FieldEnvironmental Science
TopicHydrology and Watershed Management Studies
Canadian institutionsSaint John Regional HospitalUniversity of New Brunswick
FundersAtlantic Salmon FederationFondation Pour La Conservation Du Saumon AtlantiqueMitacsUniversidade Tecnológica Federal do ParanáUniversity of New Brunswick
KeywordsFragilityWatershedVulnerability (computing)EcosystemEnvironmental scienceIndex (typography)Water resource managementEcologyEnvironmental resource managementComputer scienceBiology

Abstract

fetched live from OpenAlex

Accelerating impacts of climate change have heightened the vulnerability of ecosystems, posing critical challenges to biodiversity conservation. While current climate change vulnerability assessment frameworks provide valuable insights, they often fall short of fully integrating local stressors. This paper introduces the Watershed Fragility Index (WFI), an innovative tool designed to address these gaps by offering a more comprehensive evaluation of multiple stressors. The WFI leverages Geographic Information Systems (GIS) for spatial analysis, Fuzzy logic for handling ecological complexity and variation, and the Analytic Hierarchy Process (AHP) for prioritizing stressors. For a better comprehension of various exposures, 12 factors are assessed − flooding susceptibility, temperature change, wildfire potential, soil type, geology, distance from waterbodies, slope, altitude, land use and cover, distance from roads, watercourse barriers, and forest change. They are organized into different sub-indexes related to natural disturbances, environmental fragility, and anthropogenic stressors. The tool is demonstrated on the Humber River watershed in the province of Newfoundland and Labrador, in eastern Canada. The results indicate that certain stressors create vulnerable areas near important lakes. Overall, the watershed is classified predominantly as low fragility. However, the most vulnerable regions, characterized by moderate fragility, are mainly found in the Lower Humber area, which also contains a larger area with roads, watercourse barriers, and steeper slopes. The outputs offer crucial insights to aid environmental planning within the Humber River watershed and can serve as an evaluation tool for other regions. The WFI is a novel tool for policy development, enabling environmental managers and conservationists to create targeted and adaptive strategies that enhance habitat and species resilience through comprehensive and integrated assessment.

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 score0.018
Threshold uncertainty score0.728

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0010.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.001
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

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 head0.014
GPT teacher head0.280
Teacher spread0.267 · 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

Citations2
Published2025
Admission routes3
Has abstractyes

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