Table 2.- -Continued 



Phytoplankton: 



Depth 



Chlorophyll a 



mg./m. 3 



1.6 

 2.2 

 2.5 

 0.36 

 0.11 

 0.16 

 0.10 



Water column: 107 mg./m. 2 

 Phytoplankton haul taken. 



10 



50 



75 



100 

 150 

 200 



STATION 46 (con . ) 



Biological Data 



Photosynthesis 



Lab. Incubator Deck Incubator Neutral Filter In Situ 



mg. C/m. 3 /hr. 

 at 1,000 ft -candles mg. C/m. 3 /day % T. mg. C/m. 3 /day 



L'Rh' 



Dark 



Light 



Dark 



11.7 

 0.604 



0.378 



0.185 



0.043 



0.054 

 0.026 



0.070 148.0 

 11.4 

 1.004 

 1.36 

 0.844 

 2.66 



78.6 mg. C/m. 2 /hr. 



Light 



Dark 



952 mg. C/m. 2 /day 



Total phosphorus: m. , 1.21, 1.19; 10, 0.95; 25, 1.07; 50, 2.21; 75, 2.39; 100, 2.50; 150, 2.44 ug. at./l. 



Zooplankton: N-C N, oto303m., 1239 hr. (32'), 164 ml. T, 164 ml. S; o to 313 m. , 2338 hr. (32'), 130 ml. T, 

 130 ml. S; H at m., 0015 hr. (16'), 514 ml. T, 514 ml. S. 



C N (C-B), H at 96 m., 1356 hr . (15'), 668.9 ml. T, 668.9 ml. S; H at 73 m., 1418 hr. (15'), 44.1 ml. 

 T, 44.1 ml. S; H at 49 m., 1438 hr. (lg>), 41.9 ml. T, 41.9 ml. S; H at 36 m., 1500 hr. (15'), 308.7 ml. 

 T, 9.3 ml. S; H at 25 m., 1520 hr. (15'), 422.5 ml. T, 171.4 ml. S; H at 14 m., 1539 hr. (15'), 986.9 

 ml. T, 986.9 ml. S; H at m., 1600 hr. (15'), 2262.7 ml. T, 2262.7 ml. S; H at 101 m., 2110 hr . (15'), 

 17.7 ml. T, 17.7 ml. S; H at 74 m., 2133 hr. (15'), 380.2 ml. T, 380.2 ml. S; H at 51 m., 2149 hr. (15'), 

 37.3 ml. T, 37.3 ml. S; H at 36 m., 2215 hr . (15'), 502.2 ml. T, 502.2 ml. S; H at 26 m. , 2236 hr. (15'), 

 262.9 ml. T, 262.9 ml. S; H at 15 m., 2255 hr. (15'), 881.1 ml. T, 842.2 ml. S; H at m., 2315 hr. 

 (15'), 701.9 ml. T, 701.9 ml. S. 



Micronekton: o to 73 m., 0048 hr. (52'), 101ml. T w/o jellies. 



