Local and regional food production diversity are positively associated with household dietary diversity in rural Africa

Thanh-Tung Nguyen, Matin Qaim
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Abstract

Undernutrition and low dietary quality remain widespread issues in Africa. As most rural households in the region are involved in farming, the diversification of own farm production could improve their access to nutritious foods. Here we use representative panel data from six African countries to estimate this effect across different scales. We show that farm production diversity is positively associated with household dietary diversity—yet the average magnitude of the association is small, depends on the specific measure of production diversity and increases with distance from urban centres. In all countries, markets and market access are more important for dietary diversity than own production. Because village-, town- and district-level production diversity are often positively associated with dietary diversity, higher diversity on each individual farm may not be required. The appropriate spatial scale should be considered when designing diversification strategies.

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在非洲农村,地方和区域粮食生产多样性与家庭饮食多样性呈正相关
营养不良和饮食质量低下仍然是非洲普遍存在的问题。由于该区域的大多数农村家庭都从事农业,因此自身农业生产的多样化可以改善他们获得营养食品的机会。在这里,我们使用来自六个非洲国家的代表性面板数据来估计不同尺度上的这种影响。我们表明,农业生产多样性与家庭饮食多样性呈正相关,但这种关联的平均幅度很小,取决于生产多样性的具体衡量标准,并随着与城市中心的距离而增加。在所有国家,市场和市场准入对饮食多样性比自身生产更重要。由于村、镇和地区一级的生产多样性往往与饮食多样性呈正相关,因此可能不需要提高每个农场的多样性。在设计多元化战略时,应考虑适当的空间尺度。
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