626 



Fishery Bulletin 102(4) 



1990 1992 1994 1996 



O 04 



Q. 



O 



a. 



0.2 



O 04 



CL 



O 



1998 2000 



Bremer Bay 



1990 1992 1994 1996 1998 2000 



Esperance 



1990 1992 1994 1996 1998 2000 



West coast 



1994 1996 



Year 



PPS 



Figure 3 



Pints of the proportions of positive stations (-•-) and B SP . DEPM estimates (--■--) for the four Sardinops 

 sagax fisheries in southwestern Australia. The right-hand panel shows linear fits of the relationship 

 between proportion of positive stations and B SP . DEPM estimates. 



