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http://dx.doi.org/10.14578/jkfs.2020.109.1.72

Economic Evaluation of the HAM300 Yarding Operation with Tree-Length Harvesting Method in Larix kaempferi Forest Stands  

Lee, Eunjai (Forest Technology and Management Research Center, National Institute of Forest Science)
Im, Sangjun (Department of Forest Sciences, Seoul National University)
Lee, Sung-Jae (Seoul National University Forest)
Han, Sang-Kyun (Department of Forestry, Korea National College of Agriculture and Fishers)
Publication Information
Journal of Korean Society of Forest Science / v.109, no.1, 2020 , pp. 72-80 More about this Journal
Abstract
Two strategies for calculating economic feasibility are the machine rate and cash-flow methods. This study used the cash-flow method to evaluate the economic feasibility of the HAM300 yarding operation for extracting tree length logs in Larix kaempferi forest stands. In financial analysis based on 7-year cash-flow, the net present value and pay-back period method were used. We analyzed two scenarios: operating opportunities (50, 100, 150, and 200 days per year) and productivity change yield (7.5 and 10.5 ㎥/scheduled machine hour: SMH). The analysis indicated that high rates of return on extraction activity investment can be achieved when machines are used for >150 days per year. In addition, improved productivity (10.5 ㎥/SMH) increased financial feasibility compared to current productivity (7.5 ㎥/SMH) when machines were operated for 100 days per year. These results suggest that the appropriateness of HAM300 harvesting depends on the number of annual operating days and productivity.
Keywords
economic feasibility; cash-flow method; net present value; pay-back period; financial analysis;
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Times Cited By KSCI : 6  (Citation Analysis)
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