300 



m 



o 



:^ 250 



7 



x: 



— 200 



E 



■o 

 a> 



o 150 



E 



100 - 



50 - 



0.2 0.4 0.6 0.8 1.0 1.2 1.4 



Light Intensity (ergs cm~^ sec"' ) x 10* 



1.6 



Figure 1. Saturation curve of photosynthesis for Monoahrysis 

 lutheri exposed to cool white illumination. 



O 51- 



4 — 



3 - 



E 2 



E I - 



(S) 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 



Light Intensity (ergs cm"^ sec~')x 10* 



Figure 2. Saturation curve of photosynthesis for Chlorella 

 sp. (cultured under 0.8 x lO"^ ergs cm"^ sec"-^) 

 exposed to cool white fluorescent illumination. 



12 



