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. 2015 Mar 26;8:49. doi: 10.1186/s13068-015-0240-0

Figure 5.

Figure 5

The estimation of effective illumination depth for the attached cultivation of S . dimorphus with twin-layer method. (A) The specific growth rate of lower layer versus the upper layer biomass density. Data were mean ± standard deviation of nine measurements for three independent experiments (three measurements for each). The upper layers were consisted with biomass grown with attached cultivated technique for 0 (black circle), 2 (white circle), 4 (black down-pointing triangle), 6 (white down-pointing triangle), 8 (black square), and 10 (white square) days. (B) The actual biomass density for the attached cultivation from day 0 to day 10 (closed bar), and the effective illumination depth for the attached cultivation from day 0 to day 10 (black triangle).