Effect of Heavy Machine Traffic on Soil CO2 Concentration and Efflux in a Pinus koraiensis Thinning Stand

Ikhyun Kim; Sang-Kyun Han; Mauricio Acuna; Heesung Woo; Jae-Heun Oh; Byoungkoo Choi

doi:10.3390/f12111497

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Effect of Heavy Machine Traffic on Soil CO2 Concentration and Efflux in a Pinus koraiensis Thinning Stand

Journal article

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Peer reviewed

Effect of Heavy Machine Traffic on Soil CO2 Concentration and Efflux in a Pinus koraiensis Thinning Stand

Ikhyun Kim, Sang-Kyun Han, Mauricio Acuna, Heesung Woo, Jae-Heun Oh and Byoungkoo Choi

Forests, Vol.12(11), pp.1-15

2021

DOI: https://doi.org/10.3390/f12111497

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Abstract

Forest soil

heavy machine traffic

soil CO2 concentration

soil co2 efflux

soil compaction

Mechanized timber harvesting is cost efficient and highly productive. However, mechanized harvesting operations are often associated with several environmental problems, including soil compaction and disturbance. Soil compaction impedes air circulation between the soil and atmosphere, which in turn results in increased concentrations of CO2 within soil pores. In this study, we investigated the impact of forest machine traffic on soil conditions to determine soil CO2 efflux (Fc), and soil CO2 concentrations (Sc). Field measurements included soil bulk density (BD), soil temperature (ST), soil water content (SWC), Fc, and Sc over a 3-year period at a specific thinning operation site (Hwacheon-gun) in the Gangwon Province of Korea. To assess the soil impacts associated with machine traffic, we established four machine-treatment plots (MT) characterized by different geographical and traffic conditions. The results revealed that BD, Sc, and SWC increased significantly on the disturbed track areas (p < 0.05). Furthermore, reduced soil Fc values were measured on the soil-compacted (machine disturbed) tracks in comparison with undisturbed (control) areas. Variations in BD, SWC, and Sc were significantly different among the four MT plots. Additionally, in comparison with undisturbed areas, lower Fc and higher Sc values were obtained in compacted areas with high soil temperatures.

Details

Title: Effect of Heavy Machine Traffic on Soil CO2 Concentration and Efflux in a Pinus koraiensis Thinning Stand
Authors: Ikhyun Kim (Author) - Kangwon National University
Sang-Kyun Han (Author) - Kangwon National University
Mauricio Acuna (Author) - University of the Sunshine Coast, Queensland, Forest Research Institute
Heesung Woo (Author) - Kangwon National University
Jae-Heun Oh (Author) - National Institute of Forest Science
Byoungkoo Choi (Author) - Kangwon National University
Publication details: Forests, Vol.12(11), pp.1-15
Publisher: MDPI AG
Date published: 2021
DOI: 10.3390/f12111497
ISSN: 1999-4907
Copyright note: Copyright: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
Organisation Unit: University of the Sunshine Coast, Queensland; Forest Industries Research Centre; Forest Research Institute
Language: English
Record Identifier: 99586007902621
Output Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Web Of Science research areas: Forestry

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