190 



APPENDIX TO CRUISES 



NUTRIENTS AND WATER PROPERTIES 



Station Temp. Depth Secchi Plankton PO4 SiOj NO3 DO NH^ 

 No. °C (Ft.) Disk at 50 ft 



Trans. (ml.) v;<,g-a/L //g-a/L /^g-a/L ml/L y^-a/L 

 (Feet) /- y / 



10,00 



5.00 



12.00 



15.00 



6.00 



*See sect, on light transmission in sea water 



