recoveries from tagging as far west as the central Aleu- 

 tian Islands (south of Adak Island) and from the 

 northeastern Pacific Ocean as far south as lat. 

 47°50'N (at long. 145°W). Recoveries in the areas of 

 Cook Inlet, Prince William Sound, and Copper and 

 Bering rivers subsequent to year of tagging (Fig. 27) 

 were from tagging off the central Aleutian Islands 

 (four recoveries) and from the central part of the 

 northeastern Pacific (between long. 143°W and 

 157°W and between lat. 47°N and 52°N). 



Southeastern Alaska. — Southeastern Alaska 

 recoveries of fish tagged as immatures were from three 

 widely scattered areas (Fig. 28). Three recoveries 

 came from tagging in the central Aleutian Islands 

 area, four recoveries from the northeastern Pacific 

 Ocean, and two recoveries from near coastal areas. 



British Columbia. — Tag recoveries in northern 

 and central British Columbia subsequent to year of 

 tagging came from the same three general areas as 

 southeastern Alaska returns (Fig. 29). A number of 

 fish were from releases in the northeastern Pacific, 

 five fish came from tagging in the central Aleutian 

 Islands area and five fish from the coastal areas of the 

 northern Gulf of Alaska. The last named fish were 

 tagged as juveniles (age .0) in August during their first 

 summer at sea and indicated a northwestward move- 

 ment of the juveniles during their first summer at sea 

 as pointed out by Hartt et al. (1969). 



With Fraser River recoveries (Fig. 29) we have add- 

 ed recoveries around Vancouver Island, the Strait of 

 Juan de Fuca, and Puget Sound inasmuch as most of 

 these fish were probably Fraser River stock which is 

 by far the most important stock in this area. These 

 recoveries came from tagging along the southeastern 

 Alaska coast, from near Prince William Sound, from 

 near Kodiak Island (all tagged as age .0 fish), and 

 from the central part of the northeastern Pacific. The 

 recovery location of the fish tagged as juveniles 



further indicates the long northwestward migration of 

 the fish during their first summer at sea. 



In general the distribution of various stocks of 

 sockeye salmon from river systems entering the 

 northeastern Pacific Ocean as immatures in the 

 spring and summer was south of their distribution as 

 maturing fish the following spring. The tagging 

 locations illustrate the long migrations made by the 

 stocks as immatures. Although maturing stocks from 

 central Alaska and from southeastern Alaska and 

 British Columbia were distributed primarily in the 

 northeastern Pacific in the spring, recoveries of fish 

 tagged in the central Aleutian Islands area as im- 

 matures indicated extreme westward migrations of 

 some elements of the stocks some years. 



High-Seas Recoveries Subsequent to Year of 

 Tagging 



High-seas tag recoveries of immature sockeye 

 salmon were grouped by major ocean areas. 

 Recoveries in the Bering Sea (areas 22 and 26) came 

 primarily from tagging off the Aleutian Islands, most- 

 ly south of Adak Island; two fish were from tagging 

 near the east Kamchatka coast. One fish was from a 

 tagging experiment near long. 162°W and lat. 48°N 

 (Fig. 30). Recoveries in the western North Pacific 

 Ocean (areas 27, 29, and 30) (Fig. 31) were mainly 

 from tagging around the western Aleutian Islands and 

 off the eastern coast of the Kamchatka Peninsula; 

 four recoveries were from tagging south of Adak 

 Island. The recoveries in the central and western 

 North Pacific (areas 28, 31-34), which produced the 

 most recoveries, were again mainly from tagging off 

 the Aleutian Islands chain with a few recoveries from 

 the western Bering Sea and northwestern Pacific (Fig. 

 32). Three fish were recovered from tagging in the north- 

 eastern Pacific. A single tag recovery (not shown) 

 was made on the high seas east of long. 175° W and lat. 

 50°32'N, which was tagged south of Adak Island. 



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