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. 1997 Dec 23;94(26):14530–14535. doi: 10.1073/pnas.94.26.14530

Figure 4.

Figure 4

RNA:DNA ratios (A) and Chl-a levels (B) in summer 1995. Methods of measurement of RNA:DNA levels are given in ref. 36; levels of Chl-a are given in ref. 30. Error bars are standard errors.