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Figure 1.2.6. A food system as a Coupled Human-Natural System, a way of considering food systems that will be explored throughout the course. This more detailed presentation compared to that in module 1.1 shows that both human systems (communities, regions, food supply chains) and natural systems (agroecosystems, landscapes, water bodies) have internal interactions. Human systems also organize and modify natural systems to produce food, and natural systems respond via feedbacks (food provision, aggradation or degradation depending on the human modification and management of the natural systems.
Originally uploaded in Integrate:Teaching for Sustainability:InTeGrate Modules:Future of Food:Student Materials.

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Credit: Steven Vanek and Karl Zimmerer; modified from the National Science Foundation.
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