852 



Fishery Bulletin 100(4) 



100 



200 



300 



400 



Depth (m) 



Figure 11 



Plot of CPUE weighted mean depth and latitude for 26 rockfish species (center of 

 names correspond to point estimates except for labeled points) from the AFSC trien- 

 nial bottom trawl survey. Lines indicate divisions of species into clusters based on a 

 A--medians (with k=4) partitioning analysis (see text). 



northern shelf assemblage. Greenspotted rockfish has 

 a distribution that clearly warrants its inclusion in the 

 southern shelf assemblage. Canary and yellowtail rockfish 



were placed into the northern shelf assemblage because 

 of their known abundance in northern waters outside the 

 area of our study (see Weinberg, 1994). 



