Figure : effects-of-carbon-dioxide-on-protein-and-minerals

Effects of Carbon Dioxide on Protein and Minerals

Figure 7.4

U.S. Environmental Protection Agency
Allison R. Crimmins

This figure appears in chapter 7 of the The Impacts of Climate Change on Human Health in the United States: A Scientific Assessment report.

Direct effect of rising atmospheric carbon dioxide (CO2) on the concentrations of protein and minerals in crops. The top figure shows that the rise in CO2 concentration from 293 ppm (at the beginning of the last century) to 385 ppm (global average in 2008) to 715 ppm (projected to occur by 2100 under the RCP8.5 and RCP6.0 pathways),30b72411-16f2-400d-a1f1-deddf0ef757b progressively lowers protein concentrations in wheat flour (the average of four varieties of spring wheat). The lower figure—the average effect on 125 plant species and cultivars—shows that a doubling of CO2 concentration from preindustrial levels diminishes the concentration of essential minerals in wild and crop plants, including ionome (all the inorganic ions present in an organism) levels, and also lowers protein concentrations in barley, rice, wheat and potato. (Figure source: Experimental data from Ziska et al. 2004 (top figure), Taub et al. 2008, and Loladze 2014 (bottom figure)).de07adc8-7f48-4455-8b2a-6707520acd59 d763a364-656a-4a46-96cc-82800edc3ac2 6f0fe842-95ce-481a-b3f6-473975719843

Copyright protected. Obtain permission from the original figure source.

This figure was created on November 21, 2014.

The spatial range for this figure is N/A° to N/A° latitude, and N/A° to N/A° longitude.

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