APPENDIX TO CRUISES 



142 



BACTERIA AND NUTRIENT 

 Cruise 224 

 October 21, 1955 



Cruise Description : A dye patch, over the Whites Point sewer 

 outfall was followed for six hours. Water samples were collected 

 for bacteria and nutrient determinations and cores were taken 

 for bacteria study. Plankton hauls, bathythermograph casts, and 

 Secchi disc readings were made at each station. 



Bacteriological Data: 



Station Clock 

 No. Time 



3550 



3551 

 3552 

 3553 

 3554 

 3555 

 3556 

 3557 

 3558 

 3559 

 3560 



Type of 

 Experiment 



Dye patch 



Grid 



Elapsed Depth 

 Time (hrs) (ft) 







1 

 2 

 4 

 6 



CI. 



18.50 

 18.41 

 18.50 

 18.51 

 18.50 

 18.50 

 18.50 

 18.50 

 18.50 

 18.50 



Colif orras 



mpn/ml 



23.0 

 2.9 

 23.0 

 23.0 

 6.2 

 6.2 

 23.0 

 13.0 

 2.3 

 6.2 

 MPN/lOO gr. 

 1,900 

 500,000 ♦ 

 350,000 

 320,000 -f 

 330,000 * 

 600,000 * 

 240,000 ♦ 

 600 

 6,200 

 700,000 * 



