In recent years, the spread of pine wilt disease in South Korea has resulted in a steady increase in tree mortality within coniferous forests. To prevent further transmission of the disease, salvage logging operations are being carried out in affected areas. This study evaluated the productivity and costs of a salvage logging system employing a cut-to-length method, in which sawlogs and logging residues are separately collected and treated. The harvested sawlogs were fumigated, while the residues were chipped using a mobile chipper, enabling safe utilization of the timber products without the risk of disease transmission. The sawlog production process consisted of chainsaw felling and processing, woodgrab-based extraction, and minor transporttation operations. Residue collection did not incur additional felling costs due to the free-ride effect, as it was generated as a by-product during sawlog felling. The results showed the unit costs for sawlog felling, processing, and extraction were 2.42 USD/m³, 2.48 USD/m³, and 4.00 USD/m³, respectively. For logging residues, the unit costs for processing, extraction, minor transportation, and chipping were 3.84 USD/GT, 15.44 USD/GT, 7.33 USD/GT, and 8.67 USD/GT, respectively.
저자
Hyun-Min Cho [ Division of Forest Sciences, College of Forest and Environmental Sciences, Kangwon National University ]
Eung-Jin Jeong [ Korea Association of Forest Enviro-conservation Technology ]
Sang-Kyun Han [ Division of Forest Sciences, College of Forest and Environmental Sciences, Kangwon National University ]
Corresponding Author
