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Percent Dry Weight (Biomass) Increases for 300, 600 and 900 ppm
Increases in the Air's CO2 Concentration:

For a more detailed description of this table, click here.

Understory Plants in a Spruce Model Ecosystem [Homogyne alpina, Oxalis acetosella L. (Irish shamrock), and Rubus hirtus]

Journal Reference

Experimental Conditions
300 ppm

600 ppm

900 ppm
Hattenschwiler and Korner (1996)
growth chamber, low nitrogen
1%
 
 
Hattenschwiler and Korner (1996)
growth chamber, medium nitrogen
53%
 
 
Hattenschwiler and Korner (1996)
growth chamber, high nitrogen
47%