846 



Fishery Bulletin 100(4) 



43 



42 



41 



40 



5 39 



38 



37 



36- 



35 



100 200 300 400 



Depth (m) 



500 



Figure 4 



Contour map of Shannon-Weiner diversity indices from the 

 AFSC triennial bottom trawl survey for all samples contain- 

 ing rockfish species (abundance is measured by biomassl. 



