利用全球渔业来解决微量营养素缺乏的问题
Christina C Hicks1,2, Philippa J Cohen3,4, Nicholas A J Graham5,3
1Lancaster Environment Centre, Lancaster University, Lancaster, UK. christina.hicks@lancaster.ac.uk.
Nature
|September 27, 2019
概括
微量营养素缺乏导致数百万人的死亡,并减少国内生产总值. 海洋鱼提供重要的营养素,了解它们的组成可以改善全球的粮食和营养安全.
科学领域:
- 海洋生物学 海洋生物学
- 营养科学 营养科学
- 渔业管理 渔业管理
背景情况:
- 微量营养素缺乏导致全球严重的死亡率和经济损失.
- 鱼类是丰富的基本微量营养素来源,但在营养政策中经常被忽视.
- 对鱼类营养成分和渔业产量的有限理解阻碍了有效的政策制定.
研究的目的:
- 根据环境和生态特征预测海洋鱼的营养含量.
- 为了绘制海洋渔业全球营养度的地图.
- 为了比较营养产量与微量营养素缺乏率.
主要方法:
- 分析了350多种海洋鱼类中的7种营养素.
- 开发营养成分含量的预测模型.
- 渔业营养产量与人类饮食需求的比较.
主要成果:
- 热带物种富含,铁和.
- 较小的鱼类和类物种具有更高的omega-3脂肪酸含量.
- 渔业营养质量取决于物种组成,而不是总产量.
结论:
- 海洋鱼类有可能显著改善全球粮食和营养安全.
- 有针对性的渔业管理可以解决微量营养素的不足.
- 基于鱼类的策略可以满足饮食需求,特别是对于沿海人口和儿童来说.
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