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For a study, I want to compare the rates of CO₂ sequestration and fixation of a few different species of algae.

I could not find any data on the sequestration rates. Any pointers to where I can find such data will be helpful. I do not need scientific values, approximations will do, thanks.

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where have you looked? what do you mean by "I do not need scientific values"? What kind of values do you want? What units? How many different species? –  Abe Jul 3 '12 at 2:15
here is a good start: zanran.com/q/algae_photosynthesis_production_rate –  Abe Jul 3 '12 at 2:26
While fixation will be somewhat specific to a given algal species, sequestration will depend on lots of factors independent of algae. One of the key factors determining whether algae are sequestered is oxygen exposure. Sobek et al. 2009 gives a good summary for lakes. –  KennyPeanuts Jul 3 '12 at 14:38

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