270 • 



240- 



210 ■ 



180 



150 



120- 



90 



60 



30 



1 Jl 



I 



□ 



¥ 



126 135 144 153 162 171 180 



DISTANCE FROM (m) REEF 



Figure 11, Percent Frequency of Different Size 

 Classes of Thalli in Avrainvillea 

 nigricans 



Some general comments should be made regarding the cages and the fish 

 populations. Foremost, the mesh screen we selected was too large 

 (1,3 cm ) to exclude all of the smaller fish. Indeed, some fish even 

 sought out the cages for safety from the divers. However, the larger 

 fish were excluded from the study areas. 



VI-124 



