Mapping local food self-sufficiency in the U.S. and the tradeoffs for food system diversity

Mapping local food self-sufficiency in the U.S. and the tradeoffs for food system diversity
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绘制美国当地粮食自给自足情况以及粮食系统多样性的权衡

DOI:
10.1016/j.apgeog.2022.102687
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发表时间:
2022
期刊:
影响因子:
4.9
通讯作者:
Ruddell, B. L.
Ruddell, B. L.
中科院分区:
地球科学2区
文献类型:
--
作者:
Bingham, D. R.;Rushforth, R. R.;Stevens, B.;Ruddell, B. L.

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过去几十年来,美国消费者对“本地食品”的需求显着增长,同时也伴随着对如何定义本地食品的困惑。 “本地”食品是由农场、食品加工厂、配送仓库还是三者兼而有之的位置来定义的? “本地”食物是由地理、政治或生物物理界限来定义的吗? “本地”仅仅是从农场到餐桌还是可以包括工厂?本研究利用管辖范围边界和物理距离评估食品商品流动的“本地性”,以调查食品系统转型的潜力以及“本地化”食品生产固有的权衡。我们采用供应链方法,通过数据驱动区分基于农场的食品和工业、能源和非食品 (IENF) 作物的流动,以及食品和农业衍生工业投入的制造/分销流动。我们分析食品商品流动的多样性、距离(环境影响的代表)、政治边界、人口、重量和价格(净销售价值)。社区食物供应的多样性的最佳范围是零到四百英里。我们发现粮食系统多样性与当地粮食采购、可持续性和自给自足之间存在权衡。当社区寻求提高粮食系统的弹性时,他们需要平衡粮食里程和与当地粮食相关的其他价值。
The demand for ‘local food’ by U.S. consumers has grown markedly over the last several decades, accompanied by confusion over how to define local food. Is ‘local’ food defined by the location of the farm, food processing factory, distribution warehouse, or all three? Is ‘local’ food defined by geographic, political, or biophysical boundaries? Is ‘local’ solely farm-to-table or can it include factories? This study evaluates food commodity flow ‘localness’ using jurisdictional boundaries and physical distance to investigate the potential for food system transformation and the tradeoffs inherent to ‘localizing’ food production. We take a supply chain approach by making data-driven distinctions between farm-based flows of food and industrial, energy and nonfood (IENF) crops, and manufacturing/distribution flows of food and agriculturally-derived industrial inputs. We analyze the diversity, distance (a proxy for environmental impact), political boundaries, population, weight, and price (net selling value) of food commodity flows. The diversity of a community's food supply has an optimal range of zero to four-hundred miles. We find tradeoffs between food system diversity and local food sourcing, sustainability, and self-sufficiency. As communities look to improve food system resilience, they will need to balance food-miles and the other values associated with local food.
当地食品消费者:动机和看法如何转化为购买行为
DOI: --
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