Sz 



DISCOVERY REPORTS 



Fig. 41. Contour chart showing the average temperature in °C. from 50 m. to the surface at stations in the 

 South Georgia December-January 1926-7 plankton survey. The main surface water movements are shown 

 by arrows (cf. Fig. 6). 



Table XII 



Phytoplankton and phosphate content, South Georgia survey, 

 December-January 1926-7, line D 



Station 



134 135 J 3 6 J 37 J 3 8 WS39 



Phytoplankton in millions per 50 m. haul with N 50 V net 



Chaetoceros socialis 

 Total phytoplankton 



Depth in m. 

 o 

 10 

 20 



30 

 40 



5° 



60 



80 



100 



0-004 



94 

 93 

 89 



90 



9i 

 94 

 89 



99 

 106 



0-3 



P 2 5 mg. per cu.m. 



1-2 



1-8 



0-006 



0-009 



WS38 



0-09 

 o-i6 



