Aug-Feb 



Nov— May 



^ 



40- 

 30- 



20- 

 10- 



SITE 



SITE 



Feb— Aug 



SITE 



100 

 90 

 30 

 70- 

 60- 

 50 



May— Nov 



SITE 



Figure 5. Mean primary covers of four subtidal barnacles on wood panels during each of the four six-month exposure 

 periods from 1979-1986 in the vicinity of the Millstone Nuclear Power Station. 



14 



