C:P 103 N:P 16.4 unitless
||S. Bertilsson, O. Berglund, D. M. Karl, S. W. Chisholm, Elemental composition of marine Prochlorococcus and Synechococcus: Implications for the ecological stoichiometry of the sea, Limnol. Oceanogr., 48(5), 2003, 1721–1731 link p.1726 left column bottom paragraph and p.1727 left column top paragraph and table 3 Table - link
||Copin-Montegut, C., and G. Copin-Montegut. 1983. Stoichiometry of carbon, nitrogen and phosphorus in marine particulate matter. Deep-Sea Res. 30: 31–46.
||"The average C:P and N:P ratios of marine particulate
matter is typically lower than [researchers'] estimates for marine cyanobacteria
(Table 3). An extensive survey of .500 pairwise
analyses of these elements in particulate matter from diverse. oceanic environments (Indian Ocean, Atlantic Ocean, Southern
Ocean, and Mediterranean Sea) demonstrated an average
C:P ratio of 103 and an average N:P ratio of 16.4, even
though there was a considerable variability between the different
sites (primary source)."