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Climate regulation energy provisioning and water purification: Quantifying ecosystem service delivery of bioenergy willow grown on riparian buffer zones using life cycle assessment

机译:气候调节能源供应和净水:使用生命周期评估来量化在河岸缓冲带上生长的生物能源柳树的生态系统服务交付

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摘要

Whilst life cycle assessment (LCA) boundaries are expanded to account for negative indirect consequences of bioenergy such as indirect land use change (ILUC), ecosystem services such as water purification sometimes delivered by perennial bioenergy crops are typically neglected in LCA studies. Consequential LCA was applied to evaluate the significance of nutrient interception and retention on the environmental balance of unfertilised energy willow planted on 50-m riparian buffer strips and drainage filtration zones in the Skåne region of Sweden. Excluding possible ILUC effects and considering oil heat substitution, strategically planted filter willow can achieve net global warming potential (GWP) and eutrophication potential (EP) savings of up to 11.9 Mg CO2e and 47 kg PO4e ha−1 year−1, respectively, compared with a GWP saving of 14.8 Mg CO2e ha−1 year−1 and an EP increase of 7 kg PO4e ha−1 year−1 for fertilised willow. Planting willow on appropriate buffer and filter zones throughout Skåne could avoid 626 Mg year−1 PO4e nutrient loading to waters.Electronic supplementary materialThe online version of this article (doi:10.1007/s13280-016-0790-9) contains supplementary material, which is available to authorized users.
机译:虽然扩大了生命周期评估(LCA)的范围,以解决生物能源的负面间接后果,例如间接土地利用变化(ILUC),但在LCA研究中通常忽略了有时由多年生生物能源作物提供的水净化等生态系统服务。结果LCA被用来评估养分的截留和保留对瑞典Skåne地区50 m河岸缓冲带和排水过滤区上种植的未受精能量柳的环境平衡的重要性。排除可能的ILUC影响并考虑油热替代,策略性种植的柳编滤纸可以实现高达11.9Mg的CO2e和47kg的PO4e ha -1 的净全球升温潜能值(GWP)和富营养化潜力(EP)节省年 −1 ,而全球升温潜能值节省14.8 Mg CO2e ha -1 -1 和EP增加7 kg PO4e受精柳的ha −1 −1 。在整个斯科讷适当的缓冲带和过滤器区域种植柳树可以避免626毫克 −1 PO4e营养物向水中的负载。电子补充材料本文的在线版本(doi:10.1007 / s13280-016-0790-9) )包含补充材料,授权用户可以使用。

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