Food for thought

H. Charles J. Godfray

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Food for thought

机译：思考的食物

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During the past 250 y, the world has been gripped by periodic bouts of pessimism about our ability to feed ourselves. The first was prompted by Malthus' (1) famous 1798 Essay on the Principle of Population and the realization of the power of exponential population growth. The economic transformation of the industrial revolution postponed the crisis although concern erupted again in the mid-20th century as populations boomed in low-income countries. However, the development of new crop varieties and agronomic practices that constituted the Green Revolution radically increased food production in the 1960s and 1970s. Indeed, until,a few years ago, the cost of feeding ourselves in real terms has been at a historical low. Now food security has again rocketed up the political agenda, and there is widespread concern about the volume of food production and its sustainability and resilience. This has been driven by a sudden increase in food price volatility, but also by strong growth in demand, especially from the emerging economies. Are food security concerns justified, and can and should something be done about them? Quantitative analyses by Tilman et al. (2) and Foley et al. (3) provide much-needed rigor in this important policy area.

机译：在过去的250年中，关于我们养活自己的能力的悲观情绪周期性地发作，困扰着整个世界。第一次是由马尔萨斯（1）著名的1798年《人口原理》随笔和对指数增长的力量的实现的推动。工业革命的经济转型推迟了危机，尽管随着20世纪中叶低收入国家人口的激增，人们的担忧再次爆发。但是，构成绿色革命的新农作物品种的开发和农艺方法在1960年代和1970年代从根本上增加了粮食产量。的确，直到几年前，实际供餐的成本一直处于历史低位。现在，粮食安全再次加速了政治议程，人们对粮食产量及其可持续性和复原力的关注也日益普遍。粮食价格波动的突然增加，以及特别是来自新兴经济体的需求的强劲增长，都推动了这一趋势。粮食安全问题是否合理，是否可以而且应该采取一些措施？ Tilman等人的定量分析。（2）和Foley等。（3）在这个重要的政策领域提供急需的严谨性。

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来源
《Proceedings of the National Academy of Sciences of the United States of America》 |2011年第50期|p.19845-19846|共2页
作者
H. Charles J. Godfray;
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作者单位

Department of Zoology and Oxford Martin School Institute of Biodiversity, University of Oxford, Oxford 0X1 3PS,United Kingdom;

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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
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Food for thought

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