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Record W4414553738 · doi:10.1007/s10531-025-03138-2

Not all protected areas are created equal: quality vs quantity in the quest to achieve 30 × 30

2025· article· en· W4414553738 on OpenAlexaffabout
Jonathan R. Cole, Cheryl A. Johnson

Bibliographic record

VenueBiodiversity and Conservation · 2025
Typearticle
Languageen
FieldEconomics, Econometrics and Finance
TopicEconomic and Environmental Valuation
Canadian institutionsEnvironment and Climate Change Canada
Fundersnot available
KeywordsThreatened speciesSpecies richnessBiodiversityEcosystemProtected areaGlobal biodiversityClimate changeEcosystem services

Abstract

fetched live from OpenAlex

Abstract The adoption of the Kunming-Montreal Global Biodiversity Framework empowers signatory countries to take meaningful action in addressing the global biodiversity crisis. The framework’s first eight targets are aimed at directly reducing threats to biodiversity, with Target 3 calling for the global protection of at least 30% of terrestrial and inland water areas by 2030. We use the protected area networks to assess progress toward achieving the quantitative 30 × 30 target and ecological representation within, as well as specific elements of Targets 1, 3, 4, and 8, on ecological integrity, threatened species, species richness and climate stable areas for six signatory countries: Australia, Canada, Finland, Germany, New Zealand, and the United Kingdom. We quantified the extent and degree of protection of terrestrial and inland water areas in each country and the representation of ecoregions and Key Biodiversity Areas (KBAs) within each country’s protected area network (Target 3). We used species distribution maps to assess whether identified hotspots of threatened species and species richness were protected by the protected area networks (Target 4). We also quantified the extent to which climate-stable areas (Target 8), and large intact ecosystems (Target 1) were captured by protected area networks. Our findings revealed substantial variation in protection levels across countries. While Germany and New Zealand have exceeded their 30 × 30 commitments, Canada and Finland continue to lag behind. Levels of strict protection were particularly high in Canada, Finland, and New Zealand. While Australia, Canada, and Finland protect large areas of intact ecosystems, threatened species hotspots, species richness hotspots, and climate-stable areas were poorly represented across most protected area networks, and less than half of all ecoregions had 30% or more of their areas protected. With the 2030 deadline fast approaching, these findings highlight key gaps and provide actionable guidance to strengthen progress toward Targets 1, 3, 4, and 8.

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 score0.021
Threshold uncertainty score1.000

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 studies0.0000.000
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 head0.176
GPT teacher head0.254
Teacher spread0.078 · 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

Citations4
Published2025
Admission routes2
Has abstractyes

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