Life cycle analysis to estimate CO2 e emissions from forest harvesting systems in intensively managed Pinus radiata plantations

IF 1.8 3区 农林科学 Q2 FORESTRY
R. Alzamora, Waldo Oviedo, R. Rubilar
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引用次数: 1

Abstract

ABSTRACT A Life Cycle Analyses (LCA) assessment was evaluated comparing three harvesting systems on intensively managed Pinus radiata (radiata pine) plantations growing in the Biobío Region, Chile. Evaluated systems considered semi-mechanized, mechanized, and tower logging in steep slope forest operations. Our LCA study focused on CO2 e emissions from six harvesting activities: felling, logging, processing, sorting, loading, and transportation, all under the ISO 14040 and ISO 14044 standards. The average and maximum monthly production scenarios were the highest for the semi-mechanized system with 24 and 25.2 kg CO2 e m−3, followed by the tower logging with 23.2 and 24.5 kg CO2 e m−3 and, lastly, the mechanized system with 11 and 12.1 kg CO2 e m−3. Similar to other studies, harvesting phases that contributed the most were logging, loading and transport. Concerning LCA stages, forest equipment operation generated the highest CO2 e level across the three harvesting systems where fuel consumption was the activity that contributed with 76% of CO2 e for the mechanized system, and 50% in the case of the tower logging and semi-mechanized systems. The mechanized system had the highest fuel use efficiency and the lowest CO2 e emissions.
生命周期分析用于估算集约管理辐射松人工林森林采伐系统的二氧化碳排放量
摘要生命周期分析(LCA)评估比较了智利比奥地区集中管理的辐射松(辐射松)种植园的三种采伐系统。评估了在陡坡森林作业中考虑半机械化、机械化和塔式伐木的系统。我们的生命周期评价研究重点关注六种采伐活动的二氧化碳排放:砍伐、伐木、加工、分拣、装载和运输,所有这些都符合ISO 14040和ISO 14044标准。半机械化系统的平均和最大月产量情景最高,分别为24和25.2 kg CO2 e m−3,然后是23.2和24.5的塔测井 kg CO2 e m−3,最后是11和12.1的机械化系统 kg CO2 e m−3。与其他研究类似,贡献最大的收获阶段是伐木、装载和运输。关于生命周期评价阶段,森林设备操作在三个采伐系统中产生了最高的CO2 e水平,其中燃料消耗是机械化系统贡献了76%的CO2 e的活动,在塔式伐木和半机械化系统的情况下贡献了50%。机械化系统的燃料使用效率最高,二氧化碳排放量最低。
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来源期刊
CiteScore
3.00
自引率
5.60%
发文量
26
审稿时长
3.3 months
期刊介绍: The Scandinavian Journal of Forest Research is a leading international research journal with a focus on forests and forestry in boreal and temperate regions worldwide.
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