II i I I i I




78.


6.0 .


N. %


9. 0


- -
 -


- --. -


- -


6



 6 9 12 15 1B 21 24 3 6h

 Pigure 12. Station 9. Diurnal variables measured at Benner
 Bay Mangrove Lagoon. Solid lines March 21-22, 1970, broken
 lines April 20-21, 1970. O indicates D.0 saturation points


4.d-