- 25 - 



Biological Data 

 Zooplankton: N-C N, o to 317 m, 0928-1001 GCT, 21 ml T, 21 ml S; H at m, 0952-1007, 32 ml T, 32 ml S. 

 Nekton: o, depth missing, 0814-0918 GCT, 64 ml T. 



STATION 6 

 (regular forenoon) 



April 27, 1958; 1821 GCT; 21'13'N, 117°23'W; 2115 fm; wind, 360", force 2; temp. , 70.0'F dry, 66.0°F wet; 

 weather, cloudy; sea, rough; wire angle, 13°; time zone 8. 



Submarine Daylight: 



Incident solar radiation: daily T 679 gm-cal/cm , day L 12. 90 hr. 



Biological Data 



3 

 Phytoplankton; depth (m) of chlorophyll a (mg/m ), 1,0. 036; 12, 0. 018; 26, missing; 39, 0. 048; 66, 0. 038; 106, 0. 28. 



Water column cMorophyll a: 7.1 mg/m^. 



Zooplankton: N-C N, o to 315 m, 2024-2057 GCT, 18 ml T, 18 ml S; H at m, 2045-2101 GCT, 10 ml T, 10 ml S. 



a) Duplicate values: 53 m, 0.49; 144 m, 1.78; 252 m, 2.81 (ig at/L. 



