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


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Saccharina latissima [Sugar Kelp]


Statistics
 
300 ppm
600 ppm
900 ppm
 Number of Results
 
 
2
 Arithmetic Mean
 
 
-32%
 Standard Error
 
 
14.1%

Individual Experiment Results

Journal References

Experimental Conditions
300 ppm
600 ppm
900 ppm

Swanson and Fox (2007)

Plants grown for 55 days in 750-L outdoor sea-tanks filled with unmodified nutrient-replete sub-tidal seawater overlain by shade screens that reduced light transmission by 50%, while other types of shades created low (0.08 W m-2) levels of UVB radiation
 

 

-52%

Swanson and Fox (2007)

Plants grown for 55 days in 750-L outdoor sea-tanks filled with unmodified nutrient-replete sub-tidal seawater overlain by shade screens that reduced light transmission by 50%, while other types of shades created high (0.25 W m-2) levels of UVB radiation
 

 

-12%

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