Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Soil carbon loss from drained agricultural peatland after coverage with mineral soil

Yuqiao Wang, Sonja Paul, Markus Jocher, Christophe Espic, Christine Alewell, Sönke Szidat, Jens Leifeld

The Science of The Total Environment · 2021

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Summary

This 2021 field study examined carbon loss dynamics in drained agricultural peatland following the application of mineral soil as a remediation or management layer. Using radiocarbon and stable isotope analysis, the authors quantified whether covering peat with mineral soil reduces net carbon loss to the atmosphere. The findings contribute to understanding of peatland management strategies in European agricultural systems, where such interventions are increasingly considered for climate mitigation.

UK applicability

The findings are directly relevant to UK peatland management, particularly in lowland regions where agricultural drainage of organic soils is widespread. Results may inform policy and practice around peatland restoration and carbon sequestration in UK farming systems, though site-specific conditions and soil properties should be considered.

Key measures

Soil carbon loss (CO₂ and CH₄ emissions); carbon stocks in peat and mineral soil layers; subsidence rates as suggested by the study design

Outcomes reported

The study measured soil carbon loss rates from drained agricultural peatland that had been covered with a layer of mineral soil. The research quantified carbon dioxide and methane emissions and assessed whether mineral soil coverage altered the trajectory of carbon loss from the underlying peat.

Theme
Farming systems, soils & land use
Subject
Soil carbon & organic matter
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
Geography
Switzerland
System type
Arable cereals
DOI
10.1016/j.scitotenv.2021.149498
Catalogue ID
BFmor3g7yo-1ajvc9

Topic tags

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