RECORDER SCALE 

 6000t 



~T~a B 



25 



Zl]77.oia.ooo 



TOTAL 



PHYTOPLANKTON 



[plant cells] 



INDICATOR SCALE 

 2000 



500 



■ 1000 



500 



INDICATOR SCALE 



500 



1000 



- 500 



INDICATOR SCALE 

 1000 



500 



i rISOO 



33 r 



INOICATOR SCALE 



1000 



500 



r 



33 



INDICATOR SCALE 

 IN MILLIONS 



■60 



50 



40 



1 



23 24 25 



Fig. 31. Comparison of results from the Plankton Indicator used near the surface and the Continuous 

 Recorder used at 10 m. depth. For full explanation see text. 



