通过使用统计方法,检查埃塞俄比亚农村不同农业生态区的能源和营养生产
Habtamu Guja1,2, Mariana Belgiu1, Lidya Embibel2
1Faculty of Geo-information Science and Earth Observation (ITC) University of Twente Enschede The Netherlands.
Food science & nutrition
|December 18, 2023
概括
农业生态学显著影响埃塞俄比亚的营养素供应. 高地地区满足能源需求,但中部地区面临赤字,缺乏是所有地区普遍存在的担忧.
科学领域:
- 农业科学 农业科学
- 人类营养人类营养
- 食品系统 食品系统
背景情况:
- 饮食质量差是一个主要的公共卫生问题,特别是在依赖当地来源的营养不足食品的地区.
- 埃塞俄比亚的农业生态多样性表明,粮食生产和营养素的可用性存在空间差异,但这一点仍未得到充分研究.
研究的目的:
- 评估埃塞俄比亚中部,高原和高原上部农业生态区 (AEZ) 的当地粮食生产所产生的必需营养素的充足性.
- 了解农业生态变化如何影响当地能源和关键营养素的供应.
主要方法:
- 在埃塞俄比亚南沃洛地区的村庄,农场和家庭层面收集的数据,涉及478个家庭和120个作物地块.
- 用当地成分数据量化并转换为能源 (kcal) 和营养供应的年度作物和畜牧产量.
- 分析的重点是人均能源和营养供应与三个AEZ的需求对比.
主要成果:
- 高地和上高地AEZ满足了人均能源需求,而中部地区则出现了50%的能源赤字.
- 维生素A的缺乏从中部地区 (46%) 减少到上部高地 (31%);叶酸供应在上部高地 (63%) 显示出显著的缺乏,但在高地 (2%) 是可以忽略不计的.
- 在所有AEZ中,缺铁和的风险很低 (<10%),但缺的风险是不可接受的高.
结论:
- 农业生态学决定了作物选择,直接影响了能源和必需营养素的可用性.
- 农业生态学的空间变化必须是设计有效的食品系统干预措施的核心考虑因素,旨在改善埃塞俄比亚的饮食质量.
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