Part I. FUR SEAL INVESTIGATIONS, PRIBILOF ISLANDS, 



ALASKA, 1969 



This report summarizes fur seal research 

 carried out on the Pribilof Islands in 1969 from 

 June to October as part of a program designed 

 to provide a basis for determining' the level 

 at which the herd will produce a maximum 

 sustained yield. 



The glossary describes terms having special 

 meanings in fur seal research, figures 1 and 2 

 show the locations of rookeries and hauling 

 grounds on the Pribilof Islands, and appendix 

 B lists persons engaged in fur seal research 

 on the Pribilof Islands in 1969. In this report, 

 "Pribilof Islands" include St. Paul and St. 

 George Islands and, occasionally, Sea Lion 



Rock. There are no fur seal rookeries on Otter 

 and Walrus Islands. 



Alton Y. Roppel, Project Leader 



AGE CLASSIFICATION AND NUMBER 

 OF SEALS KILLED, BY SEX 



Male seals only were purposely killed on the 

 Pribilof Islands in 1969; 230 females were 

 taken accidentally and were not classified by 

 age. 



All available males without manes were 

 taken. Small seals <42 inches (107 cm.) in 



EA LION NECK 



LITTLE POLOVINA 



POLOVINA CLIFFS 



j SIVUTCH 



(SEA LION ROCK) 



Figure 1. — Location of rookeries and hauling grounds, St. Paul Island. 



