Table 1 .--Continued 



SPENCER F. BAIRD; November 22, 1958; 1650 G.c.t. (zone +6, 1050); 13°37'N., 92°57'W.; sounding, 2800 fm.; wind, 

 270°, force 2; temp., 87.0°F. dry, 78.5°F. wet; weather, clear; sea, moderate; wire angle, 08°; BT slide No. 2. 



Incident solar radiation: daily T 424 g. -cal./cm.^ 



Phytoplankton: 



Depth 



25 

 50 

 75 

 100 

 150 

 200 

 250 



Chlorophyll a 



mg . /m ."* 



0.049 

 0.070 

 0.091 



0.21 



0.11 



0.093 



0.013 



0.054 



Biological Data 



Photosynthesis 



Lab. Incubator 



mg. C/m. 3 /hr. 



at 1000 ft .-candles 



Light Dark 



Deck Incubator 

 mg. C/m.-Vday 

 Light Dark 



2 d) 



0.854c) 0.036 



0.176 



0.306 



0.096 



0.183 



0.039 



0.076 



0.105 



19 mg. C/m. 2 /hr. 



10.2 



0.318, 0.424, 0.296 



Water column: 13 mg./m. 



Phytoplankton haul taken. 



Zooplankton: N-C N, o to 334 m., 0800hr. e) (22'40"), f) 141ml. T, 141 ml.S) S. 



a) Duplicate values: 58 m., 2.08; 196, 2.6; 293, 2.08; 971, 3.9 Mg- at./l. 



b) Single determination only. 



c) Observation at 4 meters, not surface. 



d) All chlorophyll a water-column measurements were made from to 100 meters. 



e) Local times only are given for all observations other than hydrographic casts. 



f ) Duration of haul. 



g) All zooplankton values per 1000 m. . 



