Fig. 3
From: Assessing food system vulnerabilities: a fault tree modeling approach
Main food system fault treea,b with supply chain subtreec. a Fault tree displaying possible means of food system failure, broadly categorized by whether the failure originates from an event which makes food inaccessible, unavailable, or unacceptable. b Intermediate events portrayed on the main fault tree are populated by further subtrees displayed in Additional files 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11. c The intermediate event “Supply Chain Failure” is composed of an additional subtree that includes production, processing, wholesale, distribution, retail, or food donation source points