Table 2. --Continued 



Phytoplankton: 



Depth 



Chlorophyll a 



mg./m.' 



100 

 150 

 200 



Water column: 29 mg./m. 



Phytoplankton haul taken. 



STATION 12 (con . ) 

 Biological Data 



Photosynthesis 



Lab. Incubator Deck Incubator 



mg. C/m. 3 /hr. 

 at 1.000 ft. -candles mg. C/m. 3 /day 



Light 



Dark 



Light 



Dark 



10.0 mg. C/m. 2 Ar. 



Zooplankton: N-C N, o to 310 m., 1309 hr. (22'), 117 ml. T, 98 ml. S. 



C N(C-B), H at 95 m., 1416 hr. (15 1 ), 325.6 ml. T, 325.6 ml. S; H at 26 

 264 ml. S; H at 15 m., 1500 hr. (16'), 84.7 ml. T, 84.7 ml. S. 



1440 hr. (15'), 264.1 ml. T, 



STATION 13 



STRANGER; January 27, 1959; zone +6, 0000-0410; 15°30'N. , 98°39'W. ; sounding, 2650 fm.; wind, 270°, force 2; 

 temp., 81.5°F. dry, 74.0°F. wet; weather, 02; clouds, 8, amt., 1; sea, 1; BT slide No. 13. 



Biological Data 



Zooplankton: N-C N, o to 278 m., 0125 hr. (32 1 ), 179 ml. T, 140 ml. S; H at m., 0200 hr. (14 1 ), 252 ml. T, 

 230 ml. S. 



C N (C-B), H at 97 m., 0227 hr. (14'), 53.5 ml. T, 53.5 ml. S; H at 32 m., 0250 hr. (15'), 132.9 ml. T, 

 132.9 ml. S; H at 6 m., 0310 hr. (15'), 287.3 ml. T, 191.5 ml. S. 



Micronekton: o to 75 m., 0015 hr. (50'), 199 ml. T w/o jellies. 



Night-lighting operations. 



