Growing pains in local food systems: a longitudinal social network analysis on local food marketing in Baltimore County, Maryland and Chester County, Pennsylvania

Catherine Brinkley (), Gwyneth M. Manser () and Sasha Pesci ()
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Catherine Brinkley: University of California
Gwyneth M. Manser: University of California
Sasha Pesci: University of California

Agriculture and Human Values, 2021, vol. 38, issue 4, No 4, 927 pages

Abstract: Abstract Local food systems are growing, and little is known about how the constellation of farms and markets change over time. We trace the evolution of two local food systems (Baltimore County, Maryland and Chester County, Pennsylvania) over six years, including a dataset of over 2690 market connections (edges) between 1520 locations (nodes). Longitudinal social network analysis reveals how the architecture, actor network centrality, magnitude, and spatiality of these supply chains shifted during the 2012–2018 time period. Our findings demonstrate that, despite growth in the number of farmers’ markets, grocery stores, farms and restaurants in both counties, each local food system also experienced high turnover rates. Over 80% of the market connections changed during the study period. Farms, farmers’ markets, and grocery stores showed a 40–50% ‘survival’ rate, indicating their role in sustaining local food systems over longer time periods. Other actors, such as restaurants, had a much higher turnover rate within the network. Both food systems became more close-knit and consolidated as the center of gravity for both local food systems pulled away from urban areas toward rural farmland. Evidence of both growth and decay within local food systems provides a new understanding of the social networks behind local food markets.

Keywords: Social network analysis; Local food systems; Peri-urban; Alternative food networks; System of food systems; Complex adaptive systems (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s10460-021-10199-w

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