-22- 



Figure 6. Comparison of the zon 

 species of krill, marine mammals 

 Antarctic continent northward, 

 shelf; the minimum, mean, and ma 

 and the area south of the Antarc 

 are indicated (Mackintosh, 1973) 

 cumpolar distribution, and the r 

 approximate average latitudinal 

 indicating the higher densities, 

 are from Mackintosh (1960) (From 



es occupied by selected 

 , and birds from the 

 The relative area of the 

 ximum area of pack ice; 

 tic Convergence (A.C.) 



Each species has a cir- 

 ange indicated is the 

 range, the gray part 



(Euphausiid distributions 

 Laws, 19 7 7b) . 



uu Snow 

 h- Cape pigeon 

 CL Giant southern 

 northern 



ALBATROSSES 



Continent ■ mm. mean max. 



Shelf Pack ice A.C. 



