温带森林可以提供未来的木材需求和气候变化缓解,这取决于植树和循环
Eilidh J Forster1, David Styles2,3, John R Healey4
1School of Environmental and Natural Sciences, Bangor University, Bangor, Gwynedd, UK. eilidhforster@gmail.com.
Nature communications
|April 25, 2025
概括
满足全球日益增长的木材需求需要扩大森林和提高生产力. 可持续的林业实践可以显著有利于减缓气候变化,到2100年实现大幅减少温室气体排放.
科学领域:
- 环境科学 环境科学
- 林业林业 林业 林业 林业
- 气候变化建模模型
背景情况:
- 全球木材需求预计将增加,但森林资源有限.
- 增加木材供应和使用对气候的影响,特别是全球变暖潜力 (GWP),仍然不清楚.
研究的目的:
- 开发和应用一个框架来评估木材供应和使用的GWP影响.
- 评估温带林业的潜力,以满足未来的木材需求,并为缓解气候变化做出贡献.
主要方法:
- 结合森林碳模型与动态后果生命周期评估.
- 将框架应用于一个通用的温带森林场景.
主要成果:
- 植树和提高森林生产率可以满足从2058年起预计的木材需求.
- 温带林业价值链显示出可能带来显著的累积GWP好处 (到2100年每10万公高达265Tg的二氧化碳相当量).
- 净GWP平衡受国际采购,木材利用和工业脱碳率等因素的影响.
结论:
- 增加木材利用率可以支持减缓气候变化的努力.
- 这需要一个整体的方法,包括长期的植树战略,提高森林生产力和高效的木材使用.
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