Abstract
The use of stable isotope of carbon, 13C, for the determination of the photosynthetic rate of a marine phytoplankton population was examined. Particular concern was paid to the effects of non-phytoplanktonic organic carbon and the enrichment of inorganic carbon on the estimation of the photosynthetic rate. Photosynthetic rates determined by the 13C method showed a remarkable agreement with those determined by the 14C method. Insitu determinations of photosynthetic rate were made in three different water types: open ocean, coastal and neritic waters, which included oligo- and mesotrophic waters, by using the 13C method established.
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Communicated by M. Anraku, Hiroshima
Contribution no. 407 from the Shimoda Marine Research Center, The University of Tsukuba
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Hama, T., Miyazaki, T., Ogawa, Y. et al. Measurement of photosynthetic production of a marine phytoplankton population using a stable 13C isotope. Mar. Biol. 73, 31–36 (1983). https://doi.org/10.1007/BF00396282
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DOI: https://doi.org/10.1007/BF00396282