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Water Security for Food Security:Findings of the Comprehensive Assessment for China

机译:水资源安全促进粮食安全:中国综合评估的结果

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@@1. Introduction Trends indicate that we are not doing the right things with our water resources. The pollution and depletion of rivers and groundwater will continue. Inequity in the benefits of water use will grow between haves and have-nots. Enough food grown at the aggregate global level does not mean enough food for everyone. Water scarcity, defined in terms of access to water, is a critical constraint to agriculture in many areas of the world. A fifth of the world's people, more than 1.2 billion, live in areas of physical water scarcity, lacking enough water for everyone's demands. Another 1.6 billion people live in water-scarce basins, where human capacity or financial resources are likely to be insufficient to develop adequate water resources (figure 1).
机译:@@ 1。简介趋势表明,我们在水资源方面没有做正确的事。河流和地下水的污染和枯竭将继续。贫富之间的用水效益不平等会越来越大。在全球范围内种植足够的粮食并不意味着每个人都有足够的粮食。从获得水的角度来看,缺水是世界许多地区农业的重要制约因素。世界五分之一的人口(超过12亿)生活在自然缺水的地区,缺乏足够的水来满足每个人的需求。另外有16亿人生活在缺水盆地,那里的人力或财力可能不足以开发充足的水资源(图1)。

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