Abstract
Energy use and greenhouse gas emissions of Larch roundwood production forestry were analysed using life cycle assessment (LCA). Application of LCA for forestry operations and forest products is a developing field of study in Korea. Larch roundwood production system comprises seedling production, silvicultural operations, felling and logging (log extraction). From the results of life cycle inventory analysis, among various forestry operations, roundwood extraction (hauling and loading of felled roundwood) had about three quarters of the total energy use and GHG emissions. The life-cycle energy use and GHG emissions of roundwood production at forest were 6.921kgCO2e/m3 and 94.02MJ/m3, respectively. The total life-cycle energy use and GHG emissions including roundwood transportation from the forest to the sawmill(roundtrip distance of 150km) were 12.232kgCO2e/m3 and 168.76MJ/m3, respectively. To reduce energy use and GHG emissions in forestry, optimization of wood production and transportation system decreasing fossil fuel use is required.
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