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Aquatic Plants are Stimulated by Rising Atmospheric CO2
Although much less studied than terrestrial plants, aquatic plants are also known to be responsive to atmospheric CO2 enrichment.  CO2-induced growth enhancements have been observed in both unicellular phytoplankton and bottom-rooted macrophytes, for example; and the response is present in both freshwater (Schippers et al., 2004; Idso et al., 1990) and saltwater (Hein and Sand-Jensen, 1997; Zou, 2005) species.  Hence, there is probably no category of photosynthesizing plant that does not respond in a positive manner to atmospheric CO2 enrichment and that is not likely to be benefited by the ongoing rise in the air's CO2 content.

References
Hein, M. and Sand-Jensen, K.  1997.  CO2 increases oceanic primary production.  Nature 388: 988-990.

Idso, S.B., Allen, S.G. and Kimball, B.A.  1990.  Growth response of water lily to atmospheric CO2 enrichment.  Aquatic Botany 37: 87-92.

Schippers, P., Lurling, M. and Scheffer, M. 2004. Increase of atmospheric CO2 promotes phytoplankton productivity.  Ecology Letters 7: 446-451.

Zou, D. 2005. Effects of elevated atmospheric CO2 on growth, photosynthesis and nitrogen metabolism in the economic brown seaweed, Hizikia fusiforme (Sargassaceae, Phaeophyta). Aquaculture 250: 726-735.

 

 
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** For additional peer-reviewed scientific references and an in-depth discussion of the science supporting our position, please visit Climate Change Reconsidered: The Report of the Nongovernmental Planel on Climate Change (www.climatechangereconsidered.org), or CO2 Science (www.co2science.org).
 
 
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