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首页> 美国卫生研究院文献>PLoS Clinical Trials >Biosecurity and Yield Improvement Technologies Are Strategic Complements in the Fight against Food Insecurity
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Biosecurity and Yield Improvement Technologies Are Strategic Complements in the Fight against Food Insecurity

机译：生物安全和增产技术是与粮食不安全作斗争的战略补充

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摘要

The delivery of food security via continued crop yield improvement alone is not an effective food security strategy, and must be supported by pre- and post-border biosecurity policies to guard against perverse outcomes. In the wake of the green revolution, yield gains have been in steady decline, while post-harvest crop losses have increased as a result of insufficiently resourced and uncoordinated efforts to control spoilage throughout global transport and storage networks. This paper focuses on the role that biosecurity is set to play in future food security by preventing both pre- and post-harvest losses, thereby protecting crop yield. We model biosecurity as a food security technology that may complement conventional yield improvement policies if the gains in global farm profits are sufficient to offset the costs of implementation and maintenance. Using phytosanitary measures that slow global spread of the Ug99 strain of wheat stem rust as an example of pre-border biosecurity risk mitigation and combining it with post-border surveillance and invasive alien species control efforts, we estimate global farm profitability may be improved by over US$4.5 billion per annum.
机译：仅靠持续提高作物产量来实现粮食安全并不是一项有效的粮食安全战略，必须得到边境前和边境后生物安全政策的支持，以防止不良后果。在绿色革命之后，由于缺乏足够的资源和不协调的努力来控制全球运输和存储网络的腐败，单产增加了，而收成后的损失却增加了。本文着重于通过防止收获前和收获后的损失，从而保护农作物的产量，确保生物安全在未来粮食安全中的作用。如果全球农场利润的增长足以抵消实施和维护的成本，我们将生物安全建模为一种粮食安全技术，可以作为传统的增产政策的补充。使用植物检疫措施来减缓小麦茎锈病Ug99菌株在全球的传播，以此作为降低边境前生物安全风险的一个例子，并将其与边境后监测和入侵性外来物种控制措施相结合，我们估计全球农场的获利能力可能会提高60％以上。每年45亿美元。

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