生命周期评估(LCA):新的杨树无性系可以进行环境可持续的种植

P. Chiarabaglio, A. Deidda, S. Bergante, G. Castro, Gianni Faciotto, A. Giorcelli, S. Pagliolico, Corrado Carbonaro
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引用次数: 4

摘要

在意大利,72个杨树无性系(Populus spp.)已登记商业化。选择它们是为了快速生长、茎形和抗病性。新选择(命名为MSA)包括对所有主要疾病和一种昆虫(Phloeomizus passerinii,Sign.)具有非常高抗性的基因型。快速生长和抗病性使生产木材的环境和经济成本较低;因此,在意大利的一些地区,必须在杨树林中引入一定比例的无性系,以获得建立这些无性系的资金(农村发展计划)。为了更好地了解使用这些克隆产生的环境优势,与旧基因型(特别是“I-214”)相比,采用了“生命周期评估”方法,将二氧化碳当量排放量作为影响指标;从炉灶到商业摊位,主要数据都是从意大利的经验中收集的。首先,通过库存分析,收集了每个种植阶段的所有原材料、能源、废物和排放物。分析表明,排放的二氧化碳当量ha-1减少了9%,增加了MSA而不是“I-214”。考虑到每体积木材的排放量,“I-214”要求每立方米47.5千克二氧化碳当量,而MSA要求每立方米36.6千克二氧化碳当量。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Life Cycle Assessment (LCA): new poplar clones allow an environmentally sustainable cultivation
In Italy 72 poplar clones ( Populus spp.)  are registered for commercialization. They were selected for fast growth, stem shape and disease resistance. The new selections (named MSA) includes genotypes with very high resistance to all the main diseases and to one insect, Phloeomizus passerinii (Sign.). Fast growth and disease resistance allow to produce wood with low environmental and economic costs; for this reason in some Italian Regions the introduction of a percentage of these clones in poplar stand is mandatory to obtain funding for their establishment (Rural Development Plan). To better understand the environmental advantages deriving from the use of these clones, in comparison with the old genotypes (particularly ‘I-214’), a ‘Life Cycle Assessment’ approach was applied considering as impact indicator the CO 2 equivalent emissions; from stoolbed to commercial stand, primary data were collected from an Italian experience. Firstly with the Inventory Analysis all the raw material, energy, wastes and emissions related were collected for each cultivation phase. The Analysis showed a reduction of 9% of CO 2 eq. ha -1 emitted, growing MSA instead of ‘I-214’. Considering the emissions per volume of wood, ‘I-214’ requests 47.5 kg CO 2 eq. per m 3 , compared with MSA that request 36.6 kg CO 2 eq. per m 3 .
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来源期刊
Annals of Silvicultural Research
Annals of Silvicultural Research Agricultural and Biological Sciences-Forestry
CiteScore
2.70
自引率
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