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. 2012 Sep 4;3:321. doi: 10.3389/fmicb.2012.00321

Figure 2.

Figure 2

Numerical response curves for Strombidium rassoulzadegani cultured on the chlorophyte PLY429 and transferred to a diet of PLY429, the cryptophyte Rhodomonas lens (RHODO) or a mixture of the two. Curves are fit to the Michaelis-Menten function μ = μmax [C−t]/(K + [C−t]), where μ is per capita growth rate, C is food concentration, K is the half-saturation constant, and t is a threshold below which growth is <0. For all three diets in this case, thresholds were not distinguishable from zero. The RHODO-only diet had a higher K than PLY-only or the mixed diet. In this case, the mixed diet appeared to give a higher maximum growth rate than either sole diet.