Analysis of the Contribution to the Domestic Timber Industry according to the Shortening of Final Age

Soon Gil Kwon, Yong Woo Hwang, Junbeum Kim, Jong Hyo Lee
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Abstract

Objectives : The domestic forest area is about 6,298 thousand ha as of 2020, accounting for 62.7% of the national land area of 10,041 thousand ha, but the domestic wood and wood product market is seriously dependent on imported products. As of 2020, the domestic wood utilization rate is 15.9%. This has been secured from around 5% by 1990 to about 16% by the last 10 years from '11 to '20, but has been maintained without increase until '21. As domestic demand for wood is 83% dependent on imports, uncertainties in the wood market in the international market are expected to increase in the future due to climate change, resource reporting, and international trade relations.Methods : In this study, the production and collection production of domestic wood by use were calculated by reducing the actual distribution nationwide and the number of trees being planted later by 5 to 10 years, respectively. Based on 2,310 thousand ha, the research target site was divided into 26.20% and 73.80% of national forests and private forests, respectively, and the corresponding cutting age was applied by matching them by tree type.Results and Discussion : The area subject to the logging order for timber production forests was calculated as a ratio of the actual logging area, and the result was calculated as a ratio of the actual logging amount. Afterwards, the final wood volume was calculated based on the results of the actual logging volume performance and the ratio of domestic wood production and collection performance. The calculated final volume of wood is produced for lumber, plywood, boards, chips/pulp, and other uses. As a result, when the harvesting age was shortened to 5 and 10 years as of 2020, timber increased at a rate of approximately 12.70% and 25.36% compared to the previous year. It was confirmed that this could increase the domestic wood utilization rate from about 16% to up to 20%.Conclusion In this study, the contribution of the domestic timber industry to the shortening of the harvesting period for timber production forests. It is believed that the results can be used as useful indicators for establishing policies for shortening the cutting period and managing persistent forests in the future.
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根据树龄缩短对国内木材工业的贡献分析
目标:到 2020 年,国内森林面积约为 629.8 万公顷,占国土面积 1004.1 万公顷的 62.7%,但国内木材和木制品市场严重依赖进口产品。截至 2020 年,国内木材利用率为 15.9%。这一比例从 1990 年的 5%左右提高到 11-20 年的 16%左右,但在 21 年之前一直没有提高。由于国内木材需求的 83% 依赖进口,预计未来国际市场上木材市场的不确定性将因气候变化、资源报告和国际贸易关系而增加。以 231 万公顷为基础,将研究目标地分别划分为占 26.20% 和 73.80% 的国有林和私有林,并按树种匹配相应的伐龄。结果与讨论:木材生产林的采伐令面积按实际采伐面积的比例计算,结果按实际采伐量的比例计算。然后,根据实际采伐量绩效结果和国内木材生产与采集绩效比率计算最终木材量。计算出的最终木材量可用于生产木材、胶合板、木板、木片/木浆及其他用途。因此,到 2020 年,当采伐年限缩短为 5 年和 10 年时,木材与前一年相比分别增加了约 12.70% 和 25.36%。经证实,这可将国内木材利用率从约 16% 提高到最高 20%。结论 在本研究中,国内木材行业对木材生产林采伐期缩短的贡献。相信研究结果可作为有用的指标,用于今后制定缩短采伐期和管理持久性森林的政策。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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