Table 3. --Continued 



Phytoplankton: 



Depth 



Chlorophyll a 



mg./m. 3 



STATION 20 (134.36) (c 

 Biological Data 



Photosynthesis 



Lab. Incubator Deck Incubator 



mg. C/m. 3 /hr. 

 at lfiOO ft.-candles mg. C/m. 3 /day 



Light Dark Light Dark 



In Situ 

 mg. C/m. 3 /day 

 Light Dark 



0.542 

 0.450 

 0.392 



100 

 125 



Water column: 9.1 mg./m. 

 Phytoplankton haul taken. 

 Zooplankton: N-C N, o to 77.0 m. 

 Red crabs seen at surface. 



1.44 

 3.76 



0.187 

 1.03 



0.562 

 0.392 



0.112 



0.224 



0.131 



0.150 



0.0562 



0.0562 



0.0562 



0.0748 



0.0188 



0.0374 



0.- 



0.037 

 0.055 



0.019 

 0.037 



1.8 mg. C/m. 2 /hr 



1730 hr. (17 1 ), 50 ml. T, 50 ml. S. 



33.6 mg. C/m. 2 /day 



STATION 21 (137.40) 



HUGH M. SMITH; August 20, 1959; 0843 G.c.t. (zone +7, 0143); 25°00'N., 113°24'W.; sounding, 1700 fm.; wind, 360° 

 temp., 77.0°F. dry, 75.2°F. wet; weather, partly cloudy; sea, rough; wire angle, 04°; BT slide No. 21A, 21B. 



force 3; 



a) Duplicate values: 114 m., 2.70; 133, 2.73; 153, 3.27; 182, 2.72; 217, 2.92; 296, 3.05; 518, 3.23; 602, 3.96 ng. at./l. 



