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Surface structure on abandoned upland blanket peatland tracks
Jessica Williams-Mounsey1, Alistair Crowle2, Richard Grayson1
1Water@leeds, School of Geography, University of Leeds, Leeds, UK.
Journal of Environmental Management
|November 5, 2022
Summary
Even mesh systems on peatland tracks cause lasting damage, simplifying surface structure and hindering recovery. Past usage frequency did not significantly impact these persistent effects on peatland ecosystems.
Area of Science:
- Ecology
- Environmental Science
- Peatland Science
Background:
- Peatland tracks, even those with mesh systems designed to minimize impact, can cause persistent environmental disturbances.
- Temporary permissions for track use on peatlands are common, necessitating an understanding of their long-term effects.
Purpose of the Study:
- To evaluate the impact of abandoned peatland tracks on surface nanotopography and micro-erosion.
- To assess the influence of past usage frequency, track design (mesh vs. unsurfaced), and environmental factors on peatland recovery.
Main Methods:
- Examined five abandoned tracks (four mesh, one unsurfaced) in northern England.
- Compared surface peatland structure and nanotopography of tracks with surrounding control areas.
- Assessed micro-erosion patterns, invasive species presence, and factors like edge effects and hillslope position.
Main Results:
- All tracks exhibited simplified surface nanotopography compared to controls.
- Increased micro-erosion was observed in rutted areas, and invasive species were present on some tracks.
- Past usage frequency was not a significant factor in nano-topographic loss; recovery was inhibited by early track use.
Conclusions:
- Peatland track construction, regardless of mesh systems, leads to persistent simplification of surface nanotopography.
- Mesh tracks can create spatial constraints, impeding plant development and the formation of mire-functional structures.
- Understanding these long-term impacts is crucial for sustainable peatland management and restoration efforts.
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