MétaCan
Menu
Back to cohort

Atmospheric CO<sub>2</sub>sequestration in restored mined peatlands

2001· article· en· W2542563954 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
venuePublished in a venue whose home country is Canada.

Bibliographic record

VenueEcoscience · 2001
Typearticle
Languageen
FieldEnvironmental Science
TopicPeatlands and Wetlands Ecology
Canadian institutionsMcMaster University
Fundersnot available
KeywordsPeatEnvironmental scienceSphagnumEcosystem respirationCarbon dioxidePrimary productionEcosystemSoil respirationCarbon sinkMireGrowing seasonLawnHydrology (agriculture)Environmental chemistrySoil waterAgronomyBotanyEcologyChemistrySoil scienceBiologyGeology

Abstract

fetched live from OpenAlex

This study comparing the net ecosystem CO2 exchange in natural, restored, and naturally regenerated peatlands assesses the significance of peatland restoration as a global biotic offset under the Kyoto Protocol. Maximum gross photosynthesis (GPmax) at the restored peatland (-17.5 g CO2 m-2 d-1) was more than two times that at lawns in the natural peatland (-8.2 g CO2 m-2 d-1) and almost three times that of the naturally regenerated peatland (-6.5 g CO2 m-2 d-1). However, GPmax at hummock sites (-18.1 g CO2 m-2 d-1) in the natural peatland exceeded that of the restored peatland. Total rainfall during the study period was ~75% of the 30-year mean and these drier conditions resulted in all sites being a net source of atmospheric CO2 during the summer. From May 5 to August 23, 1998 respiration followed the trend: mined (398 g C m-2) > restored (169 g C m-2) > natural (138 g C m-2) peatland. While restoration did not return the net carbon sink function, it resulted in a significant decrease in the source of atmospheric CO2 (229 g C m-2) over the summer season. Approximately 70% of this decrease was due to the increase in gross ecosystem production, while the remaining 30% was due to a decrease in total respiration. The presence of Sphagnum mosses at the naturally regenerated peatland also resulted in a ~45% decrease in total respiration (soil and plants), indicating that an increase in volumetric soil moisture content during restoration has the potential to lower soil respiration at abandoned mined peatlands. Considering the area of drained and mined peatlands globally, peatland restoration on abandoned mined peatlands has the potential to represent an important biotic offset through enhanced carbon sequestration.

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.

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 categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.090
Threshold uncertainty score0.534

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
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 head0.010
GPT teacher head0.228
Teacher spread0.218 · 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