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. 2020 Aug 10;150(2):139–180. doi: 10.1007/s10533-020-00691-6

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© The Author(s) 2020

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Fig. 5 — a Percent of corn, soybean and wheat grown in the 10 regions of the US designated by the Office of Management and Budget (see also Online Resources Fig. S1). b Percent of cattle, dairy, hogs and poultry production for the same US regions, as based on equivalent animal units (see text for explanation). Data are from 2019 from https://www.nass.usda.gov/Statistics_by_State/index.php. Symbols and icons are from Vectorstock used under an expanded license

Fig. 5 — a Percent of corn, soybean and wheat grown in the 10 regions of the US designated by the Office of Management and Budget (see also Online Resources Fig. S1). b Percent of cattle, dairy, hogs and poultry production for the same US regions, as based on equivalent animal units (see text for explanation). Data are from 2019 from https://www.nass.usda.gov/Statistics_by_State/index.php. Symbols and icons are from Vectorstock used under an expanded license