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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.

A mix of filamentous algae dominated by Zygnema species, but also containing some Mougeotia and Spirogyra

Journal Reference

Experimental Conditions
300 ppm

600 ppm

900 ppm
Andersen and Andersen (2006)
Plants grown from May to November in 1.5-m-diameter flexible plastic cylinders placed in the littoral zone of Lake Hampen in central Jutland, Denmark; July results
 
 
60%
Andersen and Andersen (2006)
Plants grown from May to November in 1.5-m-diameter flexible plastic cylinders placed in the littoral zone of Lake Hampen in central Jutland, Denmark; August results
 
 
25%
Andersen and Andersen (2006)
Plants grown from May to November in 1.5-m-diameter flexible plastic cylinders placed in the littoral zone of Lake Hampen in central Jutland, Denmark; November results
 
 
1000%