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Table 8. Estimates of seal standing stock in the Southern Ocean* 



Species 



Numbers 

 (Thousands) 



Reference 



Crabeater 



2-5000 

 5-8000 

 50,000 

 30,000 

 14,858 



Scheffer, 1958 



Eklund, 1964 



Erickson et al. , 1971b 



Erickson and Hofman, 1974 



Gilbert and Erickson, 1977 



Leopard 



200-300 

 220 



Scheffer, 1958 



Gilbert and Erickson, 1977 



Weddell 



200-500 



730 (in pack ice alone) 



Scheffer, 1958 



Gilbert and Erickson, 1977 



Ross 



20-50 



100+ 



220 



Scheffer, 1958 

 Hofman et al., 1973 

 Gilbert and Erickson, 1977 



Elephant 



600*100 

 600 



Laws, 1960, 1973 

 Laws, 1977b 



Antarctic fur 



157-207 

 600 



Bonner, 1976 



Laws (pers. comm.) 



Difference in estimates generally reflect improved census techniques . 



