60 



Biological Data 



3 



Phytoplankton: depth (m) of chlorophyll a (mg/m ), 1, 1.3; 5, 1.8; 15, 4.0; 25, 1.6; 50, 0.38; 100, 0.66. 



Water column chlorophyll a: 120 mg/m . 



Phytoplankton haul taken. 



Zooplankton: N-C N, o to 295 m, 1740-1813 GCT, 117 ml T, 117 ml S; H at m, 1758-1828 GCT; 150 ml T, 

 150 ml S. 



STATION 77 

 (regular night) 



May 27, 1958; 0550 GCT; 14°12'N, 92''47'W; 633 fm; wind, direction missing, force 1; temp. 

 80.8°F wet; weather, missing; sea, slight; wire angle, 00°; time zone 6. 



87.0 F dry. 



Zooplankton: N-C N, o to 293 m, 0623-0656 GCT, 116 ml T, 111 ml S; H at m, 0630-0700 GCT, 160 ml T, 

 160 ml S. 



Nekton: o to 100 m, 0705-0805 GCT, 623 nil T. 



a) Duplicate values: 67 m, 2.46; 469 m, 3. 07 ng at/L. 



