a) 



barnaclas i prod. 







UW SEP UAJ( SEP UAR SEP UAR SEP U*R SEP UAR SEP UW SEP U« 

 lo-rn 198Q 1981 1M2 19" 198* 1985 198S 



'1^ 2one 1 Zone 2 Zone :3 Snails 



FEB UAR APR UAY JUN JUL AUG SEP OCT MOV DEC 

 Zone 1 Zone Z Zone 3 • Snails 



UAR HP UAfi SP UAR SEP UAR 3EPUARSEPUAftSEPUARSEPUAR 



-AN FIB UAR APR UAY JUN JUL AUC SEP OCT KCfJ DEC 

 Zone 1 — Zone Z Zone 3 — Snails 



barnacles St pred. snails 



UARSEPUAR^PUARSEPUARSETUAPSEPUARSEPUARSEP UAR 

 1 979 1 980 1 98 1 1 9B2 1 983 1 98* 1 985 1 98S 



Zonal Zone Z — --Zone 3 —Snails 



a) 



barnacles i pred. snails 





iM 



UARSEPUARSEPUARSEPUARSEPUARSEPUARSEPUARSEPUAR 

 1979 1980 1981 1982 1983 ;98+ 1985 1986 



Zone 1 Zone 2 Zone 3 — Snaiis 



b) 



barnacles Se pred. snails 



.JN FEB UAR APR U»Y JUN JUL AUC 

 ion. 1 Zon.2 Zone 3 



OCT NOV DEC 

 - Snaib 



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

 1979-Vlarch 1986. and (b) monthly from 1979-1986, for WP, SS. SE, and MP. 



25 



