Surface structure on abandoned upland blanket peatland tracks

Temporary permissions are often granted for track use on peatlands. However, even when peatland track designs attempt to minimise environmental impacts via use of mesh systems, such linear disturbances may have persistent impacts. We evaluated the surface peatland structure of five abandoned tracks (four with a mesh surface, one unsurfaced) with varying past usage frequencies, at an upland site in northern England. Simplification of the surface nanotopography was found on all tracks compared to surrounding control areas, with increased micro-erosion patterns in rutted areas, and invasive species on some treatments. The frequency of previous usage was not found to be a significant factor controlling nano-topographic loss. Edge effects and hillslope position were influential in places, but these effects were not consistent across treatments. Nano-topographic recovery was found to be inhibited when track usage commenced within a short time frame after track construction. Mesh tracks appear to create a spatial constraint leading to poor development of plants and a reduced ability to form characteristic structures which are integral to mire function.

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Research theme(s)
Environmental impacts Evidence base
GGR Method(s)
Peatland restoration
Publication type
Article
Author(s)
Jessica Williams-Mounsey, Alistair Crowle, Richard Grayson, Richard Lindsay, Joseph Holden
Publication date
November 2, 2022
Publisher
Journal of Environmental Management
CO₂RE - The Greenhouse Gas Removal Hub
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