Intertidal 
e———e Exposed Side 
o- —- — © Protected Side 
Subtidal 
NUMBER OF TAXA 
JAN. JAN. JAN. JAN. 
I978 i979 1980 I98i 1982 
Figure 4. Total number of sessile taxa observed at intertidal and 
subtidal levels of north jetty stations during line- 
transect census. 
22 
