b) 



barnacies ii pred. snails 



§ ;: 



i-^H 



h—h' 



Y-ft~^'f^r^^K^.^Y 



JN FEB UAR APR UAY JUN JUL AUC SEP OCT NOV DEC 

 -- Zone 1 Zone 2 Zone 3 —Snails 



1 a) 



barnacle? St pred. snails 





JtN FEB kUR APR kUY JUN JUL AUS SE? OCT NOV DEC 

 Zone 1 Zona 2 Zone 3 



Figure 6. Abundance of barnacles and predatory snails as percent cover in each zone: (a) from March 1979-March 

 1986, and (b) monthly from 1979-1986, for GN, FS, FE, and DP. 



