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Table 12. Available Spheniscidae standing stock and biomass estimates 



Species 



Standing Stock 

 (Individuals) 



Source 



Biomass (Metric 

 tons) 



Emperor 



570,000 

 500,000 

 240,000 

 350,000 



Prevost (1976) 

 Croxall (Unpl. MS) 

 In Pryor (1968) 

 In Pryor (1968) 



14,500 

 15,000 



King 



5,500,000 

 5,000,000 



Prevost (1976) 

 Croxall (Unpl. MS) 



66,000 

 75,000 



Adelie 



27,000,000 

 50,000,000 

 50,000,000 



Prevost (1976) 122,000 



Croxall (Unpl. MS) 250,000 

 Ainley in Prevost (1976) 225,000 



Gentoo 



900,000 

 5,000,000 



Prevost (1976) 

 Croxall (Unpl. MS) 



5,000 



30,000 



Chinstrap 



6,800,000 

 2,500,000 



Prevost (1976) 

 Croxall (Unpl. MS) 



27,200 

 11,250 



Rock- 

 hopper & 

 Macaroni 



22,000,000 

 10,000,000 



Prevost (1976) 

 Croxall (Unpl, MS) 



183,000 

 80,000 



Totals 

 (other) 



62,770,000 

 73,000,000 



Prevost (1976) 

 Croxall (Unpl. MS) 



417,700 



461,250 



