Abstract
MEPS Marine Ecology Progress Series Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsTheme Sections MEPS 134:283-294 (1996) - doi:10.3354/meps134283 13C/12C fractionation by marine diatoms Fry B The 13C/12C distributions in plants record the integrated pattern of photosynthetic carbon acquisition. Most planktonic marine algae are small, relatively rare and hard to separate from background particles, so that very few investigations have used delta13C to study algal photosynthesis in the sea. Diatoms are perhaps the best studied group among the marine microalgae, and this review summarizes current knowledge of effects of temperature, salinity, pH, growth rate and CO2 concentrations on diatom delta13C. External CO2 concentrations have the strongest effect demonstrated thus far on 13C/12C distributions and isotope fractionation, with the largest isotopic discriminations found in high CO2 conditions. Both models and culture studies suggest that delta13C values record the balance between algal growth demand versus supply of inorganic carbon in seawater, and that carbon isotope studies can be used to probe the diversity of algal carbon acquisition strategies in the sea. Diatoms . 13C/12C . Isotope fractionation . CO2(aq) . Biomarkers Full text in pdf format PreviousNextExport citation RSS - Facebook - Tweet - linkedIn Cited by Published in MEPS Vol. 134. Publication date: April 25, 1996 Print ISSN:0171-8630; Online ISSN:1616-1599 Copyright © 1996 Inter-Research.
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