Cited by 23Peatlands and Wetlands EcologyClimate change and permafrostSoil Carbon and Nitrogen Dynamics

Impacts of historical ditching on peat volume and carbon in northern Minnesota USA peatlands

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Krause, Liam, McCullough, Kevin J., Kane, Evan S., Kolka, Randall K., Chimner, Rodney A., Lilleskov, Erik A.·2021·Journal of Environmental Management

Abstract

Peatlands play a critical role in terrestrial carbon (C) storage, containing an estimated 30% of global soil C, despite occupying only 3% of global land area. Historic management of peatlands has led to widespread degradation and loss of important ecosystem services, including C sequestration. Legacy drainage features in the peatlands of northern Minnesota, USA were studied to assess the volume of peat and the amount of C lost in the ~100 years since drainage. Using high-resolution Light Detection and Ranging (LiDAR) data, we measured elevation changes adjacent to legacy ditches to model pre-ditch surface elevations, which were used to calculate peat volume loss. We established relationships between volume loss and site characteristics from existing geographic information systems datasets and used those relationships to scale volume loss to all mapped peatland ditches in northern Minnesota (USA). We estimated that 0.165 ± 0.009 km 3 of peat have been lost along almost 4000 km of peatland ditches. Peat loss upslope of ditches was significantly less than downslope (P < 0.001). Mean width of the entire ditch-effect zone was 333 ± 8.32 m. Using our volume loss estimates, literature estimates of oxidation, and mean bulk density and peat C% values from Minnesota peatlands, we calculate a total historic loss 3.847 ± 0.364 Tg C. Assuming a constant oxidation rate during the 100 years since drainage, euic and dysic peatlands within the ditch effect zone have lost 0.26 ± 0.08 and 0.40 ± 0.13 Mg C ha-1 yr-1, respectively, comparable to IPCC estimates. Our spatially-explicit peat loss estimates could be incorporated into decision support tools to inform management decisions regarding peatland C and other ecosystem services.

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Crossref · 10.1016/j.jenvman.2021.113090

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  • The creation of ditches, especially in organic soils, causes adjacent terrestrial soils to dry out, which leads to extensive soil subsidence, oxidation, and carbon dioxide emissions.

    “The creation of ditches, especially in organic soils (Fig. 1D, F, H), causes adjacent terrestrial soils to dry out, which leads to extensive soil subsidence, oxidation, and carbon dioxide emissions 163 .”

    From Lines in the landscape (2025) · cites this paper as [163]

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Authors
Krause, L., McCullough, K. J., Kane, E. S., Kolka, R. K., Chimner, R. A., & Lilleskov, E. A.
Affiliations
  • Michigan Technological University (US)
  • US Forest Service (US)
Corresponding author
Lilleskov, Erik A.
Venue
Journal of Environmental Management
Publisher
Elsevier BV
Published
2021-10
Volume
296
Pages
113090
ISSN
0301-4797 (ISSN-L)
OpenAlex
W3179843962
Cited by
23
References
51
Citations by year
2026: 6 · 2025: 5 · 2024: 4 · 2023: 5 · 2022: 3
FWCI
1.75
Type
journal article
Language
en
Open access
Locations
  • Journal of Environmental Management (acceptedVersion)
  • PubMed (publishedVersion)
  • Digital Commons - Michigan Tech (Michigan Technological University) (submittedVersion)
Funders
U.S. Forest Service
Topics
  • Physical Sciences › Environmental Science › Ecology › Peatlands and Wetlands Ecology
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Climate change and permafrost
  • Life Sciences › Agricultural and Biological Sciences › Soil Science › Soil Carbon and Nitrogen Dynamics
Keywords
peatland drainage, carbon loss, peat oxidation, peatland carbon sequestration, surface elevation change, LiDAR, carbon balance
MeSH terms
Carbon, Minnesota, Soil, Ecosystem

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