LEGEND 



months in which 

 attachment (set) 

 occurs 



period(s) in which 

 most intense set 

 occurs 



period(s) in which 



r S most rapid growth 



occurs 



FIGURE 19 SITE 1 FOULING ORGANISMS SHOWING PERIODS 



OF ATTACHMENT, MAXIMUM ATTACHMENT, AND MOST RAPID 

 GROWTH. 



22 



