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《中国工程科学》 >> 2019年 第21卷 第5期 doi: 10.15302/J-SSCAE-2019.05.017

西北地区水资源与食物安全可持续发展研究

西北农林科技大学,陕西杨凌 712100

资助项目 :中国工程院咨询项目“国际化绿色化背景下国家区域食物安全可持续发展战略研究”(2016-ZD-09) 收稿日期: 2019-09-17 修回日期: 2019-09-19

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摘要

西北地区光热土资源丰富,区域食物安全的可持续发展主要受限于其有限的水资源。本文以水足迹和虚拟水为分析工具,评估了西北地区作物生产用水效率、水资源压力和作物虚拟水输出情况。基于国际化绿色化背景,以及西北地区粮食生产及农业用水的预测结果,提出逐步减少区域农业用水总量,优化调整作物种植结构和实施丝路经济带虚拟水工程,以期为区域水资源合理利用和食物安全战略的制定提供参考。

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