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travel distance (km)

FIGURE 3.6. Graph showing changes in return rates (measured in kcal/hr) with round-trip distance from a central place for scenarios assuming different combinations of crop species, domestication status, and habitat. Distances are plotted as categorical, not continuous, variables on the horizontal axis. Dashed lines represent hillside plots and solid lines show changes in return rates as distance between the central place and alluvial soil increases.

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chenopod floodplain

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