//7^ 



W 



w 



w 



10' 



10' 



w 



//;' 



/o- 



Fig. 3. Number of cells per m"^ (abscissa) and biomass (mg/m , ordinate) 

 of phytoplankton from the Pacific, Indian and Atlantic Oceans. 



have obtained rather similar results for 

 zones, but greatly differing results for 

 on the results of direct determination of 

 the rate of cell division and content of 

 than in mesotrophic and eutrophic waters, 

 ATP and chlorophyll lead to the opposite 

 scopic determination of Cp^y^ produces pa 

 can be assumed that in ollgotrophic water 

 of 6 times per day (Koblentz-Mishke, Vede 

 true that Cp^ t/Cl is equal to 0.07 here, 

 algae contain 15 times as much chlorophyl 

 phytoplankton consisted of chlorophyll al 

 approximately 0.7. In actuality, we can 

 (Steele, 1959; Strickland, 1967). Consid 



the eutrophic and mesotrophic 

 the oligotrophic zones. Based 



^Dhvt ^" oligotrophic waters, 

 chTorophyll in them is higher 



whereas calculations based on 

 conclusion. Direct micro- 

 radoxical results. Whereas it 

 s, the cells divide an average 

 rnikov, 1973), it cannot be 



i.e., that the cells of the 

 1 as carbon. Even if the 

 one, this ratio would be 

 assume that it is at least > 4 

 ering that the overestimation 



235 



