50|- 



I7i- 



16 



15 



14 



13 



12 



10 - 







_ 0> Q. ^ 

 3 3 O) O 



^ < CO O 



1971 



I I I I I I I I I 



O Q- O 

 S < ^ 



_ C7> Q. ..- 3> 



< CO O 2 Q 



1972 



'III 



1973 



Figure 9. Seasonal changes in chlorophyll a at several shallow-water 

 stations in Monterey Bay (upper graph) and the mean sur- 

 face water temperatures from stations in the central bay 

 and the range of station means, [lower graph) (from 

 Broenkow, 1972; Broenkow and Benz, 1973). 



30 



