撒哈拉以南非洲的气候变化和粮食安全

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引用次数: 0

摘要

气候变化通过温度水平和农业用水供应直接影响粮食安全,并通过其对病媒和害虫的影响间接影响粮食安全。本文研究了气候变化对撒哈拉以南非洲粮食安全的经济影响。来自所有撒哈拉以南非洲国家的面板数据被用于分析温度和降水对粮食安全的影响。利用其变异系数分析其对粮食安全的影响。分析结果表明,气温和降水变化系数均对粮食安全产生负向影响。气候变量通过对粮食生产的影响直接影响粮食安全,通过对其他粮食安全指标的影响间接影响粮食安全。根据调查结果,气候变化对该地区粮食安全的影响是破坏性的。该研究建议进行生态系统管理和生产系统改进。为了克服这种影响,该研究建议制定适当的土地利用政策,保护自然资源,实施最佳农艺做法,并将该地区的人口增长保持在最佳水平
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Climate Change and Food Security in Sub-Saharan Africa
Climate change affects food security directly through temperature levels and water availability in agriculture and indirectly through its impact on disease vectors and pests. This paper investigates the economic impact of climate change on food security in Su-Saharan Africa. Panel data from all Su-Saharan African countries are used to analyze the impact of temperature and precipitation on food security. Their coefficient of variation is used to analyze their impact on food security. The results from the analysis show that the coefficient of variations in both temperature and precipitation affects food security negatively. The climate variables affect food security directly through their impact on food production and indirectly through their impact on other food security indicators. According to the findings, the impact of climate change on food security in the region is damaging. The study recommends ecosystem management and production system improvement. To overcome the impact, the study suggests appropriate land use policy formulation, natural resource conservation, implementing best agronomic practices, and maintaining population growth at an optimum level in the region
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