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Impacts of off-road...
Impacts of off-road traffic on soil physical properties of forest clear-cuts: X-ray and laboratory analysis
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- Hansson, Linnea (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för mark och miljö,Department of Soil and Environment
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Koestel, John (author)
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Ring, Eva (author)
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- Gärdenäs, Annemieke I., 1962 (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Gothenburg University,Göteborgs universitet,Institutionen för biologi och miljövetenskap,Department of Biological and Environmental Sciences,Institutionen för mark och miljö,Department of Soil and Environment,University of Gothenburg
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- Koestel, Johannes (author)
- Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för mark och miljö,Department of Soil and Environment
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(creator_code:org_t)
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- 2017-06-26
- 2018
- English.
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In: Scandinavian Journal of Forest Research. - : Informa UK Limited. - 0282-7581 .- 1651-1891. ; 33:2, s. 166-177
- Related links:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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https://res.slu.se/i...
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Abstract
Subject headings
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- © 2017 Informa UK Limited, trading as Taylor & Francis Group Due to the great year-round demand for forest products, off-road forestry traffic occurs even when the ground is susceptible to soil compaction and rutting. We investigated the impacts of repeated passes with a laden forwarder (34Mg) on the soil physical properties of two clear-cuts on stony till soils in northern Sweden. Core samples (n=71) were collected from the top 5cm of mineral soil in and beside wheel tracks, after six passes with the forwarder. Soil physical properties were quantified using classical soil physical analyses and X-ray tomography. The hydraulic conductivity was 70% lower in the wheel tracks than in the soil beside. The X-ray image analysis indicated that this was due to the smaller total volume and lower connectivity of structural pores (φ > 60µm). Total porosity was 24% and 12% lower in the tracks at the two sites respectively, and mean bulk density was 1.39gcm −3 in the tracks, compared to 1.13gcm −3 beside them. To conclude, traffic changed the soil physical properties in a way that may lead to longer periods of high water content in the wheel tracks, increased risk of surface runoff and insufficient aeration for optimal seedling growth.
Subject headings
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Markvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Soil Science (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies (hsv//eng)
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Skogsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Forest Science (hsv//eng)
Keyword
- computed tomography
- forestry
- hydraulic conductivity
- macropores
- Soil compaction
- X-ray
Publication and Content Type
- ref (subject category)
- art (subject category)
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