LIVINGSTON: PACIFIC COD PREDATION ON THREE CRAB SPECIES 



Figure 3. — Percentage by weight of Chiono- 

 ecetes bairdi (open circles) and C. opilio (black 

 circles) in Pacific cod stomachs by geographic 

 location in relation to the ice edge before its last 

 retreat in 1981, 1984, and 1985. 



60° N 



60" N 



60° N 



KEY 

 Percent (by weight) 

 . 1-25 

 3 25-50 

 3 51-76 

 (J 76-100 



O C baird. 

 • C. o^i^ 



■rvr" \ I ' i -1— r^ 



I I I I ^^ 



180° W 



813 



