区域灌扩张可以支持乌克兰入侵后的气候适应性作物生产
Lorenzo Rosa1, Silvan Ragettli2, Ranu Sinha3
1Department of Global Ecology, Carnegie Institution for Science, Stanford, CA, USA. lrosa@carnegiescience.edu.
Nature food
|July 18, 2024
概括
乌克兰 乌克兰 乌克兰 乌克兰
科学领域:
- 农业科学 农业科学
- 适应气候变化 适应气候变化
- 水资源管理 水资源管理
背景情况:
- 乌克兰是谷物和油种子的主要全球供应国.
- 2022年俄罗斯入侵显著破坏了农业生产.
- 气候变化给雨水农业带来了越来越大的风险.
研究的目的:
- 分析俄罗斯入侵和气候变化对乌克兰灌的综合影响.
- 评估可持续灌扩张的潜力,以提高农业的弹性.
- 确定适合改善灌系统的地区.
主要方法:
- 对乌克兰灌农田数据的分析.
- 根据气候变化情景,估计未来的水资源短缺.
- 评估当地地表和地下水资源,以扩大灌.
主要成果:
- 在2021年,乌克兰只有1.6%的耕地被灌,其中73%的耕地经历了入侵后的产量下降.
- 到本世纪中叶,四分之三的耕地可能面临水资源短缺.
- 使用当地水资源,可实现超过1800万公的可持续灌扩张.
结论:
- 现有的雨水农业实践不足以应对未来的挑战.
- 扩大灌是乌克兰一个可行的气候适应战略.
- 有针对性的灌改进对于一个有弹性的农业部门至关重要.
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