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Figure 3 | Progress in Earth and Planetary Science

Figure 3

From: Biochemical and physiological bases for the use of carbon and nitrogen isotopes in environmental and ecological studies

Figure 3

Experimental results indicating the relationship between isotopic fractionation and growth rate (μ) of an alga. Variations in (a) the carbon isotopic fractionation associated with CO2 assimilation (\( {\varepsilon}_{{\mathrm{CO}}_2} \)) by the freshwater green alga Chlamydomonas reinhardtii (modified from Takahashi et al. 1991) and (b) the nitrogen isotopic fractionation associated with nitrate assimilation (\( {\varepsilon}_{{\mathrm{NO}}_3} \)) by the marine diatom Phaeodactylum tricornutum (modified from Wada and Hattori 1978).

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