

LEGEND 





months in which 



IH Mil 



attachment (set) 





occurs 



W 



period(s) in which 

 most intense set 

 occurs 





period(s) in which 

 most rapid growth 

 occurs 



<i > 





FIGURE 20 SITE 2 FOULING ORGANISMS SHOWING PERIODS OF 



ATTACHEMENT, MAXIMUM ATTACHMENT, AND MOST 

 RAPID GROWTH. 



23 



