1 |
Kim, J. H., Park, S. J., 2010, An Analysis of the yarding productivity and cost in forest tending operation, Journal of Korea Forest Society, 99(4), 625-632.
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2 |
Kim, J. H., Seo, I. G., Park, S. J., 2016, An Analysis on the situation of collection and utilization of the trees damaged by Pine Wilt Disease, Journal of Environ -mental Science International, 25(1), 127-134.
DOI
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3 |
Kim, M. K., Park, S. J., 2012, An Analysis of the operational time and productivity in the whole-tree and cut-to-length logging operation system, Journal of Korea Forest Society, 101(2), 344-355.
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4 |
Kim, M. K., Park, S. J., 2013, An Analysis of the operational cost in the whole-tree and cut-to-length logging operation system, Journal of Korea Forest Society, 102(2), 229-238.
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5 |
Korea forest service, 2019, Annual report of forestry statistics 2018, Daejeon, Korea.
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6 |
Korea forest service, 2019, http://www.forest.go.kr.
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7 |
Lee, G. T., Park, S. J., 2001, Study on development of eco-friendly timber harvest model and research of productivity, National Forestry Cooperative Federation, Seoul, Korea.
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8 |
Lee, G. T., Park, S. J., 2002, Project on development of eco-friendly timber harvest model and research of productivity, National Forestry Cooperative Federation, Seoul, Korea.
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9 |
Lee, G. T., Park, S. J., 2003, Project on development of eco-friendly timber harvest model and research of productivity, National Forestry Cooperative Federation, Seoul, Korea.
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10 |
Mun, H. S., Cho, K. H., Park, S. J., 2014, An Analysis of the operational productivity and cost for the utilization of forest-biomass(I)-the operational time and productivity-, Journal of Korea Forest Society, 103(4), 583-592.
DOI
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11 |
National institute of forest science, 2014, Map and forest biomass resources in Korea, Seoul, Korea.
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12 |
Park, S. J., 2002, An Analysis of the efficiency of yarding operation by yarder attached on tractor, Journal of Korea Forest Society, 91(3), 287-295.
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13 |
Park, S. J., 2004a, An Analysis of the yarding operation system with a mobile tower-yarder, Journal of Korea Forest Society, 93(3), 205-214.
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14 |
Park, S. J., 2004b, The optimizing of yarding operation system with a mobile tower-yarder, Journal of Korea Forest Society, 93(7), 436-445.
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15 |
Park, S. J., 2009, The handbook of forestry machinery and forest road network construction for efficient timber collection, Ilildigital, Daegu, Korea, 1-277.
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16 |
Today energy, 2019, http://www.todayenergy.kr.
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17 |
Japan forestry agency, 2019, http://www.rinya.maff.go.jp.
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